/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/safe012_pso.oepc.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-6f4246e9f5583d222ebb38ff8175c901f3a528f0-6f4246e [2021-04-28 23:48:17,761 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-04-28 23:48:17,764 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-04-28 23:48:17,800 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-04-28 23:48:17,801 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-04-28 23:48:17,802 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-04-28 23:48:17,804 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-04-28 23:48:17,806 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-04-28 23:48:17,809 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-04-28 23:48:17,810 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-04-28 23:48:17,811 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-04-28 23:48:17,813 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-04-28 23:48:17,814 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-04-28 23:48:17,815 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-04-28 23:48:17,816 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-04-28 23:48:17,818 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-04-28 23:48:17,819 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-04-28 23:48:17,820 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-04-28 23:48:17,823 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-04-28 23:48:17,825 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-04-28 23:48:17,827 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-04-28 23:48:17,829 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-04-28 23:48:17,831 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-04-28 23:48:17,832 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-04-28 23:48:17,836 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-04-28 23:48:17,837 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-04-28 23:48:17,837 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-04-28 23:48:17,839 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-04-28 23:48:17,839 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-04-28 23:48:17,841 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-04-28 23:48:17,841 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-04-28 23:48:17,842 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-04-28 23:48:17,844 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-04-28 23:48:17,845 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-04-28 23:48:17,847 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-04-28 23:48:17,847 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-04-28 23:48:17,850 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-04-28 23:48:17,851 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-04-28 23:48:17,851 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-04-28 23:48:17,852 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-04-28 23:48:17,856 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-04-28 23:48:17,858 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 23:48:17,887 INFO L113 SettingsManager]: Loading preferences was successful [2021-04-28 23:48:17,888 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-04-28 23:48:17,889 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-04-28 23:48:17,890 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-04-28 23:48:17,890 INFO L138 SettingsManager]: * Use SBE=true [2021-04-28 23:48:17,890 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-04-28 23:48:17,890 INFO L138 SettingsManager]: * sizeof long=4 [2021-04-28 23:48:17,891 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-04-28 23:48:17,891 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-04-28 23:48:17,891 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-04-28 23:48:17,891 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-04-28 23:48:17,892 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-04-28 23:48:17,892 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-04-28 23:48:17,892 INFO L138 SettingsManager]: * sizeof long double=12 [2021-04-28 23:48:17,892 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-04-28 23:48:17,892 INFO L138 SettingsManager]: * Use constant arrays=true [2021-04-28 23:48:17,893 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-04-28 23:48:17,893 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-04-28 23:48:17,893 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-04-28 23:48:17,893 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-04-28 23:48:17,894 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-04-28 23:48:17,894 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-04-28 23:48:17,894 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-04-28 23:48:17,894 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-04-28 23:48:17,895 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-04-28 23:48:17,895 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-04-28 23:48:17,895 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-04-28 23:48:17,895 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=SEMANTIC_BASED_MOVER_CHECK_WITH_PREDICATES [2021-04-28 23:48:17,895 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-04-28 23:48:17,896 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-04-28 23:48:17,896 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-04-28 23:48:18,299 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-04-28 23:48:18,335 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-04-28 23:48:18,339 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-04-28 23:48:18,341 INFO L271 PluginConnector]: Initializing CDTParser... [2021-04-28 23:48:18,341 INFO L275 PluginConnector]: CDTParser initialized [2021-04-28 23:48:18,344 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe012_pso.oepc.i [2021-04-28 23:48:18,425 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/91cedea7a/e306052749c84d34bc9006118979a919/FLAGb906b3b83 [2021-04-28 23:48:19,205 INFO L306 CDTParser]: Found 1 translation units. [2021-04-28 23:48:19,206 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe012_pso.oepc.i [2021-04-28 23:48:19,222 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/91cedea7a/e306052749c84d34bc9006118979a919/FLAGb906b3b83 [2021-04-28 23:48:19,455 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/91cedea7a/e306052749c84d34bc9006118979a919 [2021-04-28 23:48:19,459 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-04-28 23:48:19,511 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-04-28 23:48:19,513 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-04-28 23:48:19,513 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-04-28 23:48:19,517 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-04-28 23:48:19,518 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.04 11:48:19" (1/1) ... [2021-04-28 23:48:19,520 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@505c52eb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 11:48:19, skipping insertion in model container [2021-04-28 23:48:19,520 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.04 11:48:19" (1/1) ... [2021-04-28 23:48:19,530 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-04-28 23:48:19,616 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-04-28 23:48:19,803 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/safe012_pso.oepc.i[993,1006] [2021-04-28 23:48:20,240 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-04-28 23:48:20,264 INFO L203 MainTranslator]: Completed pre-run [2021-04-28 23:48:20,287 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/safe012_pso.oepc.i[993,1006] [2021-04-28 23:48:20,402 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-04-28 23:48:20,549 INFO L208 MainTranslator]: Completed translation [2021-04-28 23:48:20,549 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 11:48:20 WrapperNode [2021-04-28 23:48:20,552 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-04-28 23:48:20,553 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-04-28 23:48:20,554 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-04-28 23:48:20,554 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-04-28 23:48:20,579 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 11:48:20" (1/1) ... [2021-04-28 23:48:20,632 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 11:48:20" (1/1) ... [2021-04-28 23:48:20,685 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-04-28 23:48:20,686 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-04-28 23:48:20,686 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-04-28 23:48:20,686 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-04-28 23:48:20,696 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 11:48:20" (1/1) ... [2021-04-28 23:48:20,696 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 11:48:20" (1/1) ... [2021-04-28 23:48:20,700 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 11:48:20" (1/1) ... [2021-04-28 23:48:20,701 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 11:48:20" (1/1) ... [2021-04-28 23:48:20,711 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 11:48:20" (1/1) ... [2021-04-28 23:48:20,715 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 11:48:20" (1/1) ... [2021-04-28 23:48:20,719 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 11:48:20" (1/1) ... [2021-04-28 23:48:20,724 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-04-28 23:48:20,725 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-04-28 23:48:20,726 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-04-28 23:48:20,726 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-04-28 23:48:20,727 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 11:48:20" (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 23:48:20,851 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-04-28 23:48:20,852 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-04-28 23:48:20,852 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-04-28 23:48:20,852 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-04-28 23:48:20,853 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-04-28 23:48:20,854 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-04-28 23:48:20,855 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-04-28 23:48:20,855 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-04-28 23:48:20,855 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2021-04-28 23:48:20,855 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2021-04-28 23:48:20,855 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-04-28 23:48:20,856 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-04-28 23:48:20,856 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-04-28 23:48:20,856 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-04-28 23:48:20,858 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 23:48:23,658 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-04-28 23:48:23,659 INFO L299 CfgBuilder]: Removed 10 assume(true) statements. [2021-04-28 23:48:23,661 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.04 11:48:23 BoogieIcfgContainer [2021-04-28 23:48:23,662 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-04-28 23:48:23,664 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-04-28 23:48:23,664 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-04-28 23:48:23,668 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-04-28 23:48:23,669 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.04 11:48:19" (1/3) ... [2021-04-28 23:48:23,670 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1f71fe1f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.04 11:48:23, skipping insertion in model container [2021-04-28 23:48:23,670 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 11:48:20" (2/3) ... [2021-04-28 23:48:23,670 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1f71fe1f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.04 11:48:23, skipping insertion in model container [2021-04-28 23:48:23,670 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.04 11:48:23" (3/3) ... [2021-04-28 23:48:23,672 INFO L111 eAbstractionObserver]: Analyzing ICFG safe012_pso.oepc.i [2021-04-28 23:48:23,681 INFO L149 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-04-28 23:48:23,688 INFO L161 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2021-04-28 23:48:23,689 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-04-28 23:48:23,738 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:48:23,738 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:48:23,739 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:48:23,739 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:48:23,739 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:48:23,739 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:48:23,740 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:48:23,740 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:48:23,740 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:48:23,740 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:48:23,740 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:48:23,741 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:48:23,741 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:48:23,741 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:48:23,741 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:48:23,741 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:48:23,742 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:48:23,742 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:48:23,742 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:48:23,742 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:48:23,742 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:48:23,743 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:48:23,743 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:48:23,743 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:48:23,743 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:48:23,743 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:48:23,744 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:48:23,744 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:48:23,744 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:48:23,744 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:48:23,744 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:48:23,745 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:48:23,745 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:48:23,745 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:48:23,745 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:48:23,745 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:48:23,746 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:48:23,746 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:48:23,746 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:48:23,746 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:48:23,746 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:48:23,747 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:48:23,747 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:48:23,747 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:48:23,747 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:48:23,747 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:48:23,750 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:48:23,750 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:48:23,750 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:48:23,750 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:48:23,750 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:48:23,751 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:48:23,751 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:48:23,751 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:48:23,751 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:48:23,751 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:48:23,752 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:48:23,752 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:48:23,752 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:48:23,752 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:48:23,752 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:48:23,752 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:48:23,753 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:48:23,753 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:48:23,753 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:48:23,753 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:48:23,753 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:48:23,754 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:48:23,754 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:48:23,754 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:48:23,754 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:48:23,754 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:48:23,755 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:48:23,755 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:48:23,755 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:48:23,755 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:48:23,755 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:48:23,756 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:48:23,756 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:48:23,756 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:48:23,756 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:48:23,756 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:48:23,757 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:48:23,757 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:48:23,759 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:48:23,760 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:48:23,760 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:48:23,760 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:48:23,761 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:48:23,761 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:48:23,761 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:48:23,761 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:48:23,762 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:48:23,762 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:48:23,762 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:48:23,762 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:48:23,763 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:48:23,763 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:48:23,763 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:48:23,763 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:48:23,764 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:48:23,764 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:48:23,764 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:48:23,764 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:48:23,765 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:48:23,765 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:48:23,765 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:48:23,766 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:48:23,766 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:48:23,766 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:48:23,766 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:48:23,767 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:48:23,767 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:48:23,767 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:48:23,767 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:48:23,768 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:48:23,768 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:48:23,768 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:48:23,769 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:48:23,769 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:48:23,769 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:48:23,769 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:48:23,770 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:48:23,770 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:48:23,770 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:48:23,771 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:48:23,771 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:48:23,771 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:48:23,771 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:48:23,771 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:48:23,772 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:48:23,772 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:48:23,772 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:48:23,772 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:48:23,773 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:48:23,773 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:48:23,773 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:48:23,774 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:48:23,774 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:48:23,774 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:48:23,774 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:48:23,774 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:48:23,774 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:48:23,775 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:48:23,776 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:48:23,776 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:48:23,776 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:48:23,776 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:48:23,779 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:48:23,780 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:48:23,780 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:48:23,780 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:48:23,780 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:48:23,781 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:48:23,781 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:48:23,781 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:48:23,781 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:48:23,781 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:48:23,782 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:48:23,782 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:48:23,782 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:48:23,782 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:48:23,783 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:48:23,783 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:48:23,783 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:48:23,783 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:48:23,783 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:48:23,784 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:48:23,784 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:48:23,784 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:48:23,784 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:48:23,784 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:48:23,785 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:48:23,785 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:48:23,785 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:48:23,788 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:48:23,788 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:48:23,788 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:48:23,789 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:48:23,789 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:48:23,789 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:48:23,789 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:48:23,790 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:48:23,790 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:48:23,790 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:48:23,790 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:48:23,790 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:48:23,792 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:48:23,793 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:48:23,793 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:48:23,793 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:48:23,793 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:48:23,794 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:48:23,794 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:48:23,794 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:48:23,794 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:48:23,795 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:48:23,796 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-04-28 23:48:23,824 INFO L253 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2021-04-28 23:48:23,854 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-04-28 23:48:23,855 INFO L377 AbstractCegarLoop]: Hoare is false [2021-04-28 23:48:23,855 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-04-28 23:48:23,855 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-04-28 23:48:23,855 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-04-28 23:48:23,855 INFO L381 AbstractCegarLoop]: Difference is false [2021-04-28 23:48:23,855 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-04-28 23:48:23,856 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-04-28 23:48:23,872 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 106 places, 98 transitions, 211 flow [2021-04-28 23:48:23,926 INFO L129 PetriNetUnfolder]: 2/95 cut-off events. [2021-04-28 23:48:23,926 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 23:48:23,932 INFO L84 FinitePrefix]: Finished finitePrefix Result has 105 conditions, 95 events. 2/95 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 64 event pairs, 0 based on Foata normal form. 0/91 useless extension candidates. Maximal degree in co-relation 60. Up to 2 conditions per place. [2021-04-28 23:48:23,932 INFO L82 GeneralOperation]: Start removeDead. Operand has 106 places, 98 transitions, 211 flow [2021-04-28 23:48:23,939 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 103 places, 95 transitions, 199 flow [2021-04-28 23:48:23,941 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 23:48:23,960 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 103 places, 95 transitions, 199 flow [2021-04-28 23:48:23,965 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 103 places, 95 transitions, 199 flow [2021-04-28 23:48:23,968 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 103 places, 95 transitions, 199 flow [2021-04-28 23:48:23,993 INFO L129 PetriNetUnfolder]: 2/95 cut-off events. [2021-04-28 23:48:23,994 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 23:48:23,995 INFO L84 FinitePrefix]: Finished finitePrefix Result has 105 conditions, 95 events. 2/95 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 68 event pairs, 0 based on Foata normal form. 0/91 useless extension candidates. Maximal degree in co-relation 60. Up to 2 conditions per place. [2021-04-28 23:48:23,999 INFO L146 LiptonReduction]: Number of co-enabled transitions 1586 [2021-04-28 23:48:27,035 WARN L205 SmtUtils]: Spent 269.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 60 [2021-04-28 23:48:27,148 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 59 [2021-04-28 23:48:27,709 WARN L205 SmtUtils]: Spent 559.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 86 [2021-04-28 23:48:27,949 WARN L205 SmtUtils]: Spent 236.00 ms on a formula simplification that was a NOOP. DAG size: 83 [2021-04-28 23:48:29,491 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2021-04-28 23:48:29,616 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2021-04-28 23:48:29,861 WARN L205 SmtUtils]: Spent 243.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-28 23:48:30,093 WARN L205 SmtUtils]: Spent 230.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-28 23:48:43,961 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2021-04-28 23:48:44,079 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2021-04-28 23:48:44,233 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2021-04-28 23:48:44,358 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2021-04-28 23:48:44,568 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2021-04-28 23:48:44,677 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2021-04-28 23:48:44,787 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2021-04-28 23:48:45,589 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-04-28 23:48:45,691 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-04-28 23:48:45,799 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-04-28 23:48:45,902 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-04-28 23:48:46,305 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2021-04-28 23:48:46,421 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2021-04-28 23:48:46,542 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2021-04-28 23:48:46,652 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2021-04-28 23:48:46,828 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 54 [2021-04-28 23:48:47,222 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2021-04-28 23:48:47,351 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2021-04-28 23:48:47,478 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2021-04-28 23:48:47,607 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2021-04-28 23:48:49,058 WARN L205 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 75 [2021-04-28 23:48:49,188 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 75 [2021-04-28 23:48:49,323 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 75 [2021-04-28 23:48:49,452 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 75 [2021-04-28 23:48:51,767 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2021-04-28 23:48:52,508 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-04-28 23:48:52,642 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-04-28 23:48:52,777 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-04-28 23:48:52,909 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-04-28 23:48:53,036 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2021-04-28 23:48:53,160 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2021-04-28 23:48:53,280 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2021-04-28 23:48:53,403 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2021-04-28 23:48:53,512 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2021-04-28 23:48:53,622 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2021-04-28 23:48:53,734 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2021-04-28 23:48:53,847 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2021-04-28 23:48:54,323 WARN L205 SmtUtils]: Spent 446.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 111 [2021-04-28 23:48:54,538 WARN L205 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 107 [2021-04-28 23:48:55,030 WARN L205 SmtUtils]: Spent 490.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 111 [2021-04-28 23:48:55,249 WARN L205 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 107 [2021-04-28 23:48:55,730 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2021-04-28 23:48:55,873 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2021-04-28 23:48:56,015 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2021-04-28 23:48:56,157 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2021-04-28 23:48:56,308 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-28 23:48:56,453 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-28 23:48:56,599 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-28 23:48:56,741 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-28 23:48:56,898 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-28 23:48:57,049 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-28 23:48:57,205 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-28 23:48:57,365 WARN L205 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-28 23:48:57,551 WARN L205 SmtUtils]: Spent 184.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2021-04-28 23:48:57,737 WARN L205 SmtUtils]: Spent 184.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2021-04-28 23:48:57,957 WARN L205 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2021-04-28 23:48:58,147 WARN L205 SmtUtils]: Spent 189.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2021-04-28 23:48:58,632 WARN L205 SmtUtils]: Spent 483.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 116 [2021-04-28 23:48:58,855 WARN L205 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2021-04-28 23:48:59,341 WARN L205 SmtUtils]: Spent 485.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 116 [2021-04-28 23:48:59,574 WARN L205 SmtUtils]: Spent 230.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2021-04-28 23:48:59,756 WARN L205 SmtUtils]: Spent 180.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2021-04-28 23:48:59,939 WARN L205 SmtUtils]: Spent 182.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2021-04-28 23:49:00,117 WARN L205 SmtUtils]: Spent 176.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2021-04-28 23:49:00,299 WARN L205 SmtUtils]: Spent 180.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2021-04-28 23:49:00,473 WARN L205 SmtUtils]: Spent 172.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-04-28 23:49:00,649 WARN L205 SmtUtils]: Spent 174.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-04-28 23:49:00,849 WARN L205 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-04-28 23:49:01,040 WARN L205 SmtUtils]: Spent 190.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-04-28 23:49:01,214 WARN L205 SmtUtils]: Spent 171.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2021-04-28 23:49:01,395 WARN L205 SmtUtils]: Spent 179.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2021-04-28 23:49:01,576 WARN L205 SmtUtils]: Spent 180.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2021-04-28 23:49:01,752 WARN L205 SmtUtils]: Spent 174.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2021-04-28 23:49:01,928 WARN L205 SmtUtils]: Spent 174.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2021-04-28 23:49:02,091 WARN L205 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2021-04-28 23:49:02,268 WARN L205 SmtUtils]: Spent 176.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2021-04-28 23:49:02,444 WARN L205 SmtUtils]: Spent 175.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2021-04-28 23:49:02,614 WARN L205 SmtUtils]: Spent 167.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-04-28 23:49:02,785 WARN L205 SmtUtils]: Spent 169.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-04-28 23:49:02,951 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-04-28 23:49:03,116 WARN L205 SmtUtils]: Spent 163.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-04-28 23:49:03,271 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-28 23:49:03,419 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-28 23:49:03,573 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-28 23:49:03,726 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-28 23:49:03,875 WARN L205 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-28 23:49:04,024 WARN L205 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-28 23:49:04,177 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-28 23:49:04,334 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-28 23:49:04,523 WARN L205 SmtUtils]: Spent 187.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2021-04-28 23:49:04,728 WARN L205 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2021-04-28 23:49:04,916 WARN L205 SmtUtils]: Spent 186.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2021-04-28 23:49:05,102 WARN L205 SmtUtils]: Spent 184.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2021-04-28 23:49:05,292 WARN L205 SmtUtils]: Spent 187.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2021-04-28 23:49:05,482 WARN L205 SmtUtils]: Spent 189.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2021-04-28 23:49:05,666 WARN L205 SmtUtils]: Spent 182.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2021-04-28 23:49:05,851 WARN L205 SmtUtils]: Spent 184.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2021-04-28 23:49:05,908 INFO L158 LiptonReduction]: Checked pairs total: 16653 [2021-04-28 23:49:05,908 INFO L160 LiptonReduction]: Total number of compositions: 270 [2021-04-28 23:49:05,914 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 41975 [2021-04-28 23:49:05,938 INFO L129 PetriNetUnfolder]: 0/66 cut-off events. [2021-04-28 23:49:05,939 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 23:49:05,939 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 23:49:05,940 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1] [2021-04-28 23:49:05,940 INFO L428 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 23:49:05,947 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 23:49:05,947 INFO L82 PathProgramCache]: Analyzing trace with hash 1096016447, now seen corresponding path program 1 times [2021-04-28 23:49:05,959 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 23:49:05,959 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1956865621] [2021-04-28 23:49:05,959 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 23:49:06,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 23:49:06,281 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 23:49:06,283 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 23:49:06,292 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 23:49:06,293 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1956865621] [2021-04-28 23:49:06,294 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 23:49:06,294 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-04-28 23:49:06,294 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1925043747] [2021-04-28 23:49:06,305 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-04-28 23:49:06,306 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 23:49:06,321 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-04-28 23:49:06,323 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-04-28 23:49:06,327 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 285 out of 368 [2021-04-28 23:49:06,333 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 136 places, 127 transitions, 263 flow. Second operand has 3 states, 3 states have (on average 285.6666666666667) internal successors, (857), 3 states have internal predecessors, (857), 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 23:49:06,333 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 23:49:06,333 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 285 of 368 [2021-04-28 23:49:06,335 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 23:49:06,537 INFO L129 PetriNetUnfolder]: 29/398 cut-off events. [2021-04-28 23:49:06,537 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 23:49:06,540 INFO L84 FinitePrefix]: Finished finitePrefix Result has 475 conditions, 398 events. 29/398 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 67. Compared 3191 event pairs, 15 based on Foata normal form. 23/103 useless extension candidates. Maximal degree in co-relation 399. Up to 41 conditions per place. [2021-04-28 23:49:06,543 INFO L132 encePairwiseOnDemand]: 349/368 looper letters, 7 selfloop transitions, 2 changer transitions 55/126 dead transitions. [2021-04-28 23:49:06,544 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 135 places, 126 transitions, 305 flow [2021-04-28 23:49:06,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-04-28 23:49:06,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-04-28 23:49:06,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 884 transitions. [2021-04-28 23:49:06,571 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8007246376811594 [2021-04-28 23:49:06,572 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 884 transitions. [2021-04-28 23:49:06,573 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 884 transitions. [2021-04-28 23:49:06,577 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 23:49:06,580 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 884 transitions. [2021-04-28 23:49:06,588 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 294.6666666666667) internal successors, (884), 3 states have internal predecessors, (884), 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 23:49:06,600 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 368.0) internal successors, (1472), 4 states have internal predecessors, (1472), 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 23:49:06,602 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 368.0) internal successors, (1472), 4 states have internal predecessors, (1472), 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 23:49:06,604 INFO L185 Difference]: Start difference. First operand has 136 places, 127 transitions, 263 flow. Second operand 3 states and 884 transitions. [2021-04-28 23:49:06,606 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 135 places, 126 transitions, 305 flow [2021-04-28 23:49:06,610 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 132 places, 126 transitions, 302 flow, removed 0 selfloop flow, removed 3 redundant places. [2021-04-28 23:49:06,614 INFO L241 Difference]: Finished difference. Result has 132 places, 68 transitions, 146 flow [2021-04-28 23:49:06,617 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=368, PETRI_DIFFERENCE_MINUEND_FLOW=252, PETRI_DIFFERENCE_MINUEND_PLACES=130, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=123, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=121, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=146, PETRI_PLACES=132, PETRI_TRANSITIONS=68} [2021-04-28 23:49:06,618 INFO L343 CegarLoopForPetriNet]: 136 programPoint places, -4 predicate places. [2021-04-28 23:49:06,618 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 23:49:06,618 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 132 places, 68 transitions, 146 flow [2021-04-28 23:49:06,619 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 132 places, 68 transitions, 146 flow [2021-04-28 23:49:06,619 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 77 places, 68 transitions, 146 flow [2021-04-28 23:49:06,630 INFO L129 PetriNetUnfolder]: 0/68 cut-off events. [2021-04-28 23:49:06,630 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 23:49:06,630 INFO L84 FinitePrefix]: Finished finitePrefix Result has 78 conditions, 68 events. 0/68 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 28. Compared 329 event pairs, 0 based on Foata normal form. 0/21 useless extension candidates. Maximal degree in co-relation 0. Up to 2 conditions per place. [2021-04-28 23:49:06,632 INFO L146 LiptonReduction]: Number of co-enabled transitions 1994 [2021-04-28 23:49:06,833 INFO L158 LiptonReduction]: Checked pairs total: 2506 [2021-04-28 23:49:06,833 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 23:49:06,833 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 215 [2021-04-28 23:49:06,839 INFO L480 AbstractCegarLoop]: Abstraction has has 77 places, 68 transitions, 146 flow [2021-04-28 23:49:06,840 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 285.6666666666667) internal successors, (857), 3 states have internal predecessors, (857), 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 23:49:06,840 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 23:49:06,840 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 23:49:06,841 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-04-28 23:49:06,841 INFO L428 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 23:49:06,843 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 23:49:06,844 INFO L82 PathProgramCache]: Analyzing trace with hash -679409002, now seen corresponding path program 1 times [2021-04-28 23:49:06,844 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 23:49:06,844 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1509477797] [2021-04-28 23:49:06,844 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 23:49:06,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 23:49:07,074 INFO L142 QuantifierPusher]: treesize reduction 3, result has 81.3 percent of original size [2021-04-28 23:49:07,076 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-28 23:49:07,085 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 23:49:07,086 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1509477797] [2021-04-28 23:49:07,086 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 23:49:07,086 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-04-28 23:49:07,086 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [780698698] [2021-04-28 23:49:07,088 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-04-28 23:49:07,088 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 23:49:07,089 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-04-28 23:49:07,089 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-04-28 23:49:07,091 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 237 out of 368 [2021-04-28 23:49:07,093 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 77 places, 68 transitions, 146 flow. Second operand has 3 states, 3 states have (on average 237.66666666666666) internal successors, (713), 3 states have internal predecessors, (713), 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 23:49:07,094 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 23:49:07,094 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 237 of 368 [2021-04-28 23:49:07,094 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 23:49:07,411 INFO L129 PetriNetUnfolder]: 171/784 cut-off events. [2021-04-28 23:49:07,411 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 23:49:07,416 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1174 conditions, 784 events. 171/784 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 180. Compared 7644 event pairs, 46 based on Foata normal form. 0/442 useless extension candidates. Maximal degree in co-relation 1165. Up to 302 conditions per place. [2021-04-28 23:49:07,418 INFO L132 encePairwiseOnDemand]: 350/368 looper letters, 4 selfloop transitions, 3 changer transitions 49/93 dead transitions. [2021-04-28 23:49:07,418 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 79 places, 93 transitions, 304 flow [2021-04-28 23:49:07,419 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-04-28 23:49:07,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-04-28 23:49:07,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 762 transitions. [2021-04-28 23:49:07,424 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6902173913043478 [2021-04-28 23:49:07,424 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 762 transitions. [2021-04-28 23:49:07,424 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 762 transitions. [2021-04-28 23:49:07,425 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 23:49:07,425 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 762 transitions. [2021-04-28 23:49:07,428 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 254.0) internal successors, (762), 3 states have internal predecessors, (762), 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 23:49:07,433 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 368.0) internal successors, (1472), 4 states have internal predecessors, (1472), 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 23:49:07,435 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 368.0) internal successors, (1472), 4 states have internal predecessors, (1472), 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 23:49:07,435 INFO L185 Difference]: Start difference. First operand has 77 places, 68 transitions, 146 flow. Second operand 3 states and 762 transitions. [2021-04-28 23:49:07,435 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 79 places, 93 transitions, 304 flow [2021-04-28 23:49:07,437 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 77 places, 93 transitions, 300 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-04-28 23:49:07,440 INFO L241 Difference]: Finished difference. Result has 78 places, 44 transitions, 111 flow [2021-04-28 23:49:07,440 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=368, PETRI_DIFFERENCE_MINUEND_FLOW=142, PETRI_DIFFERENCE_MINUEND_PLACES=75, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=68, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=65, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=111, PETRI_PLACES=78, PETRI_TRANSITIONS=44} [2021-04-28 23:49:07,441 INFO L343 CegarLoopForPetriNet]: 136 programPoint places, -58 predicate places. [2021-04-28 23:49:07,441 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 23:49:07,441 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 78 places, 44 transitions, 111 flow [2021-04-28 23:49:07,442 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 78 places, 44 transitions, 111 flow [2021-04-28 23:49:07,443 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 52 places, 44 transitions, 111 flow [2021-04-28 23:49:07,454 INFO L129 PetriNetUnfolder]: 7/74 cut-off events. [2021-04-28 23:49:07,454 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 23:49:07,455 INFO L84 FinitePrefix]: Finished finitePrefix Result has 103 conditions, 74 events. 7/74 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 19. Compared 329 event pairs, 5 based on Foata normal form. 0/40 useless extension candidates. Maximal degree in co-relation 95. Up to 18 conditions per place. [2021-04-28 23:49:07,460 INFO L146 LiptonReduction]: Number of co-enabled transitions 1060 [2021-04-28 23:49:07,784 INFO L158 LiptonReduction]: Checked pairs total: 628 [2021-04-28 23:49:07,785 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 23:49:07,785 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 344 [2021-04-28 23:49:07,787 INFO L480 AbstractCegarLoop]: Abstraction has has 52 places, 44 transitions, 111 flow [2021-04-28 23:49:07,788 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 237.66666666666666) internal successors, (713), 3 states have internal predecessors, (713), 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 23:49:07,788 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 23:49:07,788 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 23:49:07,789 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-04-28 23:49:07,789 INFO L428 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 23:49:07,790 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 23:49:07,790 INFO L82 PathProgramCache]: Analyzing trace with hash 413154802, now seen corresponding path program 1 times [2021-04-28 23:49:07,790 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 23:49:07,790 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1911436829] [2021-04-28 23:49:07,790 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 23:49:07,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 23:49:07,845 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 23:49:07,846 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 23:49:07,850 INFO L142 QuantifierPusher]: treesize reduction 3, result has 81.3 percent of original size [2021-04-28 23:49:07,851 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-28 23:49:07,860 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 23:49:07,861 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1911436829] [2021-04-28 23:49:07,861 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 23:49:07,861 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-04-28 23:49:07,861 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [994014993] [2021-04-28 23:49:07,862 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-04-28 23:49:07,862 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 23:49:07,862 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-04-28 23:49:07,863 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-04-28 23:49:07,865 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 215 out of 368 [2021-04-28 23:49:07,866 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 52 places, 44 transitions, 111 flow. Second operand has 4 states, 4 states have (on average 215.75) internal successors, (863), 4 states have internal predecessors, (863), 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 23:49:07,867 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 23:49:07,867 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 215 of 368 [2021-04-28 23:49:07,867 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 23:49:07,924 INFO L129 PetriNetUnfolder]: 14/86 cut-off events. [2021-04-28 23:49:07,924 INFO L130 PetriNetUnfolder]: For 17/52 co-relation queries the response was YES. [2021-04-28 23:49:07,925 INFO L84 FinitePrefix]: Finished finitePrefix Result has 158 conditions, 86 events. 14/86 cut-off events. For 17/52 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 354 event pairs, 1 based on Foata normal form. 3/59 useless extension candidates. Maximal degree in co-relation 148. Up to 26 conditions per place. [2021-04-28 23:49:07,926 INFO L132 encePairwiseOnDemand]: 362/368 looper letters, 7 selfloop transitions, 8 changer transitions 0/51 dead transitions. [2021-04-28 23:49:07,926 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 56 places, 51 transitions, 167 flow [2021-04-28 23:49:07,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-04-28 23:49:07,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-04-28 23:49:07,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1091 transitions. [2021-04-28 23:49:07,931 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5929347826086957 [2021-04-28 23:49:07,931 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 1091 transitions. [2021-04-28 23:49:07,931 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 1091 transitions. [2021-04-28 23:49:07,932 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 23:49:07,932 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 1091 transitions. [2021-04-28 23:49:07,935 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 218.2) internal successors, (1091), 5 states have internal predecessors, (1091), 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 23:49:07,940 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 368.0) internal successors, (2208), 6 states have internal predecessors, (2208), 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 23:49:07,942 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 368.0) internal successors, (2208), 6 states have internal predecessors, (2208), 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 23:49:07,942 INFO L185 Difference]: Start difference. First operand has 52 places, 44 transitions, 111 flow. Second operand 5 states and 1091 transitions. [2021-04-28 23:49:07,942 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 56 places, 51 transitions, 167 flow [2021-04-28 23:49:07,943 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 55 places, 51 transitions, 164 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-04-28 23:49:07,945 INFO L241 Difference]: Finished difference. Result has 58 places, 49 transitions, 167 flow [2021-04-28 23:49:07,945 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=368, PETRI_DIFFERENCE_MINUEND_FLOW=108, PETRI_DIFFERENCE_MINUEND_PLACES=51, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=44, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=38, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=167, PETRI_PLACES=58, PETRI_TRANSITIONS=49} [2021-04-28 23:49:07,945 INFO L343 CegarLoopForPetriNet]: 136 programPoint places, -78 predicate places. [2021-04-28 23:49:07,946 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 23:49:07,946 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 58 places, 49 transitions, 167 flow [2021-04-28 23:49:07,946 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 58 places, 49 transitions, 167 flow [2021-04-28 23:49:07,947 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 58 places, 49 transitions, 167 flow [2021-04-28 23:49:07,961 INFO L129 PetriNetUnfolder]: 12/87 cut-off events. [2021-04-28 23:49:07,962 INFO L130 PetriNetUnfolder]: For 29/35 co-relation queries the response was YES. [2021-04-28 23:49:07,962 INFO L84 FinitePrefix]: Finished finitePrefix Result has 179 conditions, 87 events. 12/87 cut-off events. For 29/35 co-relation queries the response was YES. Maximal size of possible extension queue 19. Compared 402 event pairs, 3 based on Foata normal form. 0/54 useless extension candidates. Maximal degree in co-relation 167. Up to 25 conditions per place. [2021-04-28 23:49:07,964 INFO L146 LiptonReduction]: Number of co-enabled transitions 1286 [2021-04-28 23:49:08,423 INFO L158 LiptonReduction]: Checked pairs total: 641 [2021-04-28 23:49:08,423 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 23:49:08,424 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 479 [2021-04-28 23:49:08,426 INFO L480 AbstractCegarLoop]: Abstraction has has 58 places, 49 transitions, 167 flow [2021-04-28 23:49:08,427 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 215.75) internal successors, (863), 4 states have internal predecessors, (863), 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 23:49:08,427 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 23:49:08,427 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 23:49:08,428 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-04-28 23:49:08,428 INFO L428 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 23:49:08,428 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 23:49:08,428 INFO L82 PathProgramCache]: Analyzing trace with hash 413155050, now seen corresponding path program 1 times [2021-04-28 23:49:08,430 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 23:49:08,430 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [948677310] [2021-04-28 23:49:08,430 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 23:49:08,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 23:49:08,561 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 23:49:08,562 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 23:49:08,570 INFO L142 QuantifierPusher]: treesize reduction 3, result has 81.3 percent of original size [2021-04-28 23:49:08,572 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-28 23:49:08,581 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 23:49:08,582 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [948677310] [2021-04-28 23:49:08,582 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 23:49:08,582 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-04-28 23:49:08,583 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1227087059] [2021-04-28 23:49:08,583 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-04-28 23:49:08,583 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 23:49:08,584 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-04-28 23:49:08,584 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-04-28 23:49:08,586 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 237 out of 368 [2021-04-28 23:49:08,587 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 58 places, 49 transitions, 167 flow. Second operand has 4 states, 4 states have (on average 237.75) internal successors, (951), 4 states have internal predecessors, (951), 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 23:49:08,588 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 23:49:08,588 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 237 of 368 [2021-04-28 23:49:08,588 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 23:49:08,624 INFO L129 PetriNetUnfolder]: 6/73 cut-off events. [2021-04-28 23:49:08,625 INFO L130 PetriNetUnfolder]: For 50/86 co-relation queries the response was YES. [2021-04-28 23:49:08,625 INFO L84 FinitePrefix]: Finished finitePrefix Result has 154 conditions, 73 events. 6/73 cut-off events. For 50/86 co-relation queries the response was YES. Maximal size of possible extension queue 22. Compared 296 event pairs, 1 based on Foata normal form. 4/48 useless extension candidates. Maximal degree in co-relation 140. Up to 16 conditions per place. [2021-04-28 23:49:08,626 INFO L132 encePairwiseOnDemand]: 365/368 looper letters, 7 selfloop transitions, 4 changer transitions 1/49 dead transitions. [2021-04-28 23:49:08,626 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 60 places, 49 transitions, 189 flow [2021-04-28 23:49:08,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-04-28 23:49:08,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-04-28 23:49:08,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 718 transitions. [2021-04-28 23:49:08,629 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6503623188405797 [2021-04-28 23:49:08,629 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 718 transitions. [2021-04-28 23:49:08,629 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 718 transitions. [2021-04-28 23:49:08,630 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 23:49:08,630 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 718 transitions. [2021-04-28 23:49:08,632 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 239.33333333333334) internal successors, (718), 3 states have internal predecessors, (718), 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 23:49:08,635 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 368.0) internal successors, (1472), 4 states have internal predecessors, (1472), 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 23:49:08,637 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 368.0) internal successors, (1472), 4 states have internal predecessors, (1472), 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 23:49:08,637 INFO L185 Difference]: Start difference. First operand has 58 places, 49 transitions, 167 flow. Second operand 3 states and 718 transitions. [2021-04-28 23:49:08,637 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 60 places, 49 transitions, 189 flow [2021-04-28 23:49:08,639 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 59 places, 49 transitions, 184 flow, removed 1 selfloop flow, removed 1 redundant places. [2021-04-28 23:49:08,641 INFO L241 Difference]: Finished difference. Result has 60 places, 48 transitions, 174 flow [2021-04-28 23:49:08,641 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=368, PETRI_DIFFERENCE_MINUEND_FLOW=162, PETRI_DIFFERENCE_MINUEND_PLACES=57, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=49, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=45, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=174, PETRI_PLACES=60, PETRI_TRANSITIONS=48} [2021-04-28 23:49:08,642 INFO L343 CegarLoopForPetriNet]: 136 programPoint places, -76 predicate places. [2021-04-28 23:49:08,642 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 23:49:08,642 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 60 places, 48 transitions, 174 flow [2021-04-28 23:49:08,642 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 60 places, 48 transitions, 174 flow [2021-04-28 23:49:08,643 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 59 places, 48 transitions, 174 flow [2021-04-28 23:49:08,655 INFO L129 PetriNetUnfolder]: 7/72 cut-off events. [2021-04-28 23:49:08,655 INFO L130 PetriNetUnfolder]: For 32/37 co-relation queries the response was YES. [2021-04-28 23:49:08,656 INFO L84 FinitePrefix]: Finished finitePrefix Result has 150 conditions, 72 events. 7/72 cut-off events. For 32/37 co-relation queries the response was YES. Maximal size of possible extension queue 19. Compared 324 event pairs, 0 based on Foata normal form. 0/44 useless extension candidates. Maximal degree in co-relation 136. Up to 18 conditions per place. [2021-04-28 23:49:08,658 INFO L146 LiptonReduction]: Number of co-enabled transitions 1218 [2021-04-28 23:49:09,107 INFO L158 LiptonReduction]: Checked pairs total: 622 [2021-04-28 23:49:09,108 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 23:49:09,108 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 466 [2021-04-28 23:49:09,110 INFO L480 AbstractCegarLoop]: Abstraction has has 59 places, 48 transitions, 174 flow [2021-04-28 23:49:09,111 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 237.75) internal successors, (951), 4 states have internal predecessors, (951), 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 23:49:09,111 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 23:49:09,112 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 23:49:09,112 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-04-28 23:49:09,112 INFO L428 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 23:49:09,112 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 23:49:09,112 INFO L82 PathProgramCache]: Analyzing trace with hash -450720886, now seen corresponding path program 1 times [2021-04-28 23:49:09,113 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 23:49:09,113 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [453131171] [2021-04-28 23:49:09,113 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 23:49:09,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 23:49:09,178 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 23:49:09,179 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 23:49:09,182 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 23:49:09,183 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 23:49:09,188 INFO L142 QuantifierPusher]: treesize reduction 3, result has 81.3 percent of original size [2021-04-28 23:49:09,190 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-28 23:49:09,200 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 23:49:09,200 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [453131171] [2021-04-28 23:49:09,201 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 23:49:09,201 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-04-28 23:49:09,201 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1391892370] [2021-04-28 23:49:09,201 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-04-28 23:49:09,202 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 23:49:09,202 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-04-28 23:49:09,202 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-04-28 23:49:09,205 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 215 out of 368 [2021-04-28 23:49:09,207 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 59 places, 48 transitions, 174 flow. Second operand has 5 states, 5 states have (on average 215.8) internal successors, (1079), 5 states have internal predecessors, (1079), 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 23:49:09,207 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 23:49:09,207 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 215 of 368 [2021-04-28 23:49:09,207 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 23:49:09,252 INFO L129 PetriNetUnfolder]: 5/70 cut-off events. [2021-04-28 23:49:09,252 INFO L130 PetriNetUnfolder]: For 87/124 co-relation queries the response was YES. [2021-04-28 23:49:09,253 INFO L84 FinitePrefix]: Finished finitePrefix Result has 159 conditions, 70 events. 5/70 cut-off events. For 87/124 co-relation queries the response was YES. Maximal size of possible extension queue 22. Compared 309 event pairs, 1 based on Foata normal form. 5/47 useless extension candidates. Maximal degree in co-relation 143. Up to 15 conditions per place. [2021-04-28 23:49:09,253 INFO L132 encePairwiseOnDemand]: 364/368 looper letters, 3 selfloop transitions, 3 changer transitions 23/50 dead transitions. [2021-04-28 23:49:09,253 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 62 places, 50 transitions, 220 flow [2021-04-28 23:49:09,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-04-28 23:49:09,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-04-28 23:49:09,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 871 transitions. [2021-04-28 23:49:09,258 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5917119565217391 [2021-04-28 23:49:09,258 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 871 transitions. [2021-04-28 23:49:09,259 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 871 transitions. [2021-04-28 23:49:09,259 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 23:49:09,260 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 871 transitions. [2021-04-28 23:49:09,262 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 217.75) internal successors, (871), 4 states have internal predecessors, (871), 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 23:49:09,267 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 368.0) internal successors, (1840), 5 states have internal predecessors, (1840), 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 23:49:09,268 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 368.0) internal successors, (1840), 5 states have internal predecessors, (1840), 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 23:49:09,269 INFO L185 Difference]: Start difference. First operand has 59 places, 48 transitions, 174 flow. Second operand 4 states and 871 transitions. [2021-04-28 23:49:09,269 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 62 places, 50 transitions, 220 flow [2021-04-28 23:49:09,271 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 60 places, 50 transitions, 212 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-04-28 23:49:09,272 INFO L241 Difference]: Finished difference. Result has 62 places, 27 transitions, 106 flow [2021-04-28 23:49:09,272 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=368, PETRI_DIFFERENCE_MINUEND_FLOW=166, PETRI_DIFFERENCE_MINUEND_PLACES=57, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=48, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=45, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=106, PETRI_PLACES=62, PETRI_TRANSITIONS=27} [2021-04-28 23:49:09,273 INFO L343 CegarLoopForPetriNet]: 136 programPoint places, -74 predicate places. [2021-04-28 23:49:09,273 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 23:49:09,273 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 62 places, 27 transitions, 106 flow [2021-04-28 23:49:09,273 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 62 places, 27 transitions, 106 flow [2021-04-28 23:49:09,274 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 47 places, 27 transitions, 106 flow [2021-04-28 23:49:09,280 INFO L129 PetriNetUnfolder]: 1/32 cut-off events. [2021-04-28 23:49:09,280 INFO L130 PetriNetUnfolder]: For 18/18 co-relation queries the response was YES. [2021-04-28 23:49:09,280 INFO L84 FinitePrefix]: Finished finitePrefix Result has 79 conditions, 32 events. 1/32 cut-off events. For 18/18 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 67 event pairs, 1 based on Foata normal form. 0/23 useless extension candidates. Maximal degree in co-relation 63. Up to 7 conditions per place. [2021-04-28 23:49:09,281 INFO L146 LiptonReduction]: Number of co-enabled transitions 322 [2021-04-28 23:49:09,320 INFO L158 LiptonReduction]: Checked pairs total: 304 [2021-04-28 23:49:09,320 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 23:49:09,320 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 47 [2021-04-28 23:49:09,322 INFO L480 AbstractCegarLoop]: Abstraction has has 47 places, 27 transitions, 106 flow [2021-04-28 23:49:09,323 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 215.8) internal successors, (1079), 5 states have internal predecessors, (1079), 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 23:49:09,323 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 23:49:09,323 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 23:49:09,324 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-04-28 23:49:09,324 INFO L428 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 23:49:09,324 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 23:49:09,324 INFO L82 PathProgramCache]: Analyzing trace with hash 1904891588, now seen corresponding path program 1 times [2021-04-28 23:49:09,325 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 23:49:09,325 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1730434013] [2021-04-28 23:49:09,325 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 23:49:09,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 23:49:09,366 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 23:49:09,367 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 23:49:09,371 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 23:49:09,371 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 23:49:09,377 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 23:49:09,377 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1730434013] [2021-04-28 23:49:09,377 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 23:49:09,377 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-04-28 23:49:09,378 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [360469324] [2021-04-28 23:49:09,378 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-04-28 23:49:09,378 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 23:49:09,379 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-04-28 23:49:09,379 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-04-28 23:49:09,381 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 224 out of 368 [2021-04-28 23:49:09,383 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 47 places, 27 transitions, 106 flow. Second operand has 4 states, 4 states have (on average 224.75) internal successors, (899), 4 states have internal predecessors, (899), 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 23:49:09,383 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 23:49:09,383 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 224 of 368 [2021-04-28 23:49:09,383 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 23:49:09,412 INFO L129 PetriNetUnfolder]: 1/45 cut-off events. [2021-04-28 23:49:09,413 INFO L130 PetriNetUnfolder]: For 78/78 co-relation queries the response was YES. [2021-04-28 23:49:09,413 INFO L84 FinitePrefix]: Finished finitePrefix Result has 114 conditions, 45 events. 1/45 cut-off events. For 78/78 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 141 event pairs, 1 based on Foata normal form. 4/36 useless extension candidates. Maximal degree in co-relation 96. Up to 10 conditions per place. [2021-04-28 23:49:09,413 INFO L132 encePairwiseOnDemand]: 364/368 looper letters, 1 selfloop transitions, 3 changer transitions 2/28 dead transitions. [2021-04-28 23:49:09,414 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 50 places, 28 transitions, 124 flow [2021-04-28 23:49:09,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-04-28 23:49:09,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-04-28 23:49:09,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 903 transitions. [2021-04-28 23:49:09,418 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6134510869565217 [2021-04-28 23:49:09,418 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 903 transitions. [2021-04-28 23:49:09,418 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 903 transitions. [2021-04-28 23:49:09,419 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 23:49:09,420 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 903 transitions. [2021-04-28 23:49:09,422 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 225.75) internal successors, (903), 4 states have internal predecessors, (903), 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 23:49:09,425 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 368.0) internal successors, (1840), 5 states have internal predecessors, (1840), 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 23:49:09,426 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 368.0) internal successors, (1840), 5 states have internal predecessors, (1840), 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 23:49:09,427 INFO L185 Difference]: Start difference. First operand has 47 places, 27 transitions, 106 flow. Second operand 4 states and 903 transitions. [2021-04-28 23:49:09,427 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 50 places, 28 transitions, 124 flow [2021-04-28 23:49:09,428 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 39 places, 28 transitions, 83 flow, removed 8 selfloop flow, removed 11 redundant places. [2021-04-28 23:49:09,429 INFO L241 Difference]: Finished difference. Result has 41 places, 26 transitions, 82 flow [2021-04-28 23:49:09,429 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=368, PETRI_DIFFERENCE_MINUEND_FLOW=70, PETRI_DIFFERENCE_MINUEND_PLACES=36, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=27, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=24, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=82, PETRI_PLACES=41, PETRI_TRANSITIONS=26} [2021-04-28 23:49:09,429 INFO L343 CegarLoopForPetriNet]: 136 programPoint places, -95 predicate places. [2021-04-28 23:49:09,429 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 23:49:09,430 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 41 places, 26 transitions, 82 flow [2021-04-28 23:49:09,430 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 41 places, 26 transitions, 82 flow [2021-04-28 23:49:09,430 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 40 places, 26 transitions, 82 flow [2021-04-28 23:49:09,436 INFO L129 PetriNetUnfolder]: 1/31 cut-off events. [2021-04-28 23:49:09,436 INFO L130 PetriNetUnfolder]: For 13/13 co-relation queries the response was YES. [2021-04-28 23:49:09,436 INFO L84 FinitePrefix]: Finished finitePrefix Result has 60 conditions, 31 events. 1/31 cut-off events. For 13/13 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 53 event pairs, 1 based on Foata normal form. 0/23 useless extension candidates. Maximal degree in co-relation 50. Up to 6 conditions per place. [2021-04-28 23:49:09,437 INFO L146 LiptonReduction]: Number of co-enabled transitions 242 [2021-04-28 23:49:09,630 INFO L158 LiptonReduction]: Checked pairs total: 470 [2021-04-28 23:49:09,630 INFO L160 LiptonReduction]: Total number of compositions: 1 [2021-04-28 23:49:09,630 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 201 [2021-04-28 23:49:09,632 INFO L480 AbstractCegarLoop]: Abstraction has has 40 places, 26 transitions, 82 flow [2021-04-28 23:49:09,632 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 224.75) internal successors, (899), 4 states have internal predecessors, (899), 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 23:49:09,633 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 23:49:09,633 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 23:49:09,633 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-04-28 23:49:09,633 INFO L428 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 23:49:09,633 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 23:49:09,634 INFO L82 PathProgramCache]: Analyzing trace with hash -1766636848, now seen corresponding path program 1 times [2021-04-28 23:49:09,634 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 23:49:09,634 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1514604411] [2021-04-28 23:49:09,634 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 23:49:09,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 23:49:09,693 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 23:49:09,693 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 23:49:09,701 INFO L142 QuantifierPusher]: treesize reduction 2, result has 84.6 percent of original size [2021-04-28 23:49:09,703 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-04-28 23:49:09,716 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 23:49:09,717 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 23:49:09,718 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 23:49:09,718 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1514604411] [2021-04-28 23:49:09,718 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 23:49:09,718 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-04-28 23:49:09,718 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1310313230] [2021-04-28 23:49:09,719 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-04-28 23:49:09,719 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 23:49:09,719 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-04-28 23:49:09,720 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-04-28 23:49:09,722 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 237 out of 369 [2021-04-28 23:49:09,723 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 40 places, 26 transitions, 82 flow. Second operand has 4 states, 4 states have (on average 237.75) internal successors, (951), 4 states have internal predecessors, (951), 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 23:49:09,723 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 23:49:09,723 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 237 of 369 [2021-04-28 23:49:09,723 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 23:49:09,885 INFO L129 PetriNetUnfolder]: 474/819 cut-off events. [2021-04-28 23:49:09,885 INFO L130 PetriNetUnfolder]: For 211/211 co-relation queries the response was YES. [2021-04-28 23:49:09,888 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1772 conditions, 819 events. 474/819 cut-off events. For 211/211 co-relation queries the response was YES. Maximal size of possible extension queue 174. Compared 4981 event pairs, 177 based on Foata normal form. 64/436 useless extension candidates. Maximal degree in co-relation 1760. Up to 460 conditions per place. [2021-04-28 23:49:09,894 INFO L132 encePairwiseOnDemand]: 357/369 looper letters, 19 selfloop transitions, 11 changer transitions 2/45 dead transitions. [2021-04-28 23:49:09,894 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 43 places, 45 transitions, 182 flow [2021-04-28 23:49:09,894 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-04-28 23:49:09,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-04-28 23:49:09,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 981 transitions. [2021-04-28 23:49:09,899 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6646341463414634 [2021-04-28 23:49:09,899 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 981 transitions. [2021-04-28 23:49:09,899 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 981 transitions. [2021-04-28 23:49:09,900 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 23:49:09,900 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 981 transitions. [2021-04-28 23:49:09,903 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 245.25) internal successors, (981), 4 states have internal predecessors, (981), 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 23:49:09,907 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 369.0) internal successors, (1845), 5 states have internal predecessors, (1845), 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 23:49:09,908 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 369.0) internal successors, (1845), 5 states have internal predecessors, (1845), 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 23:49:09,908 INFO L185 Difference]: Start difference. First operand has 40 places, 26 transitions, 82 flow. Second operand 4 states and 981 transitions. [2021-04-28 23:49:09,908 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 43 places, 45 transitions, 182 flow [2021-04-28 23:49:09,910 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 39 places, 45 transitions, 170 flow, removed 2 selfloop flow, removed 4 redundant places. [2021-04-28 23:49:09,911 INFO L241 Difference]: Finished difference. Result has 41 places, 34 transitions, 150 flow [2021-04-28 23:49:09,912 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=369, PETRI_DIFFERENCE_MINUEND_FLOW=70, PETRI_DIFFERENCE_MINUEND_PLACES=36, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=26, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=15, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=150, PETRI_PLACES=41, PETRI_TRANSITIONS=34} [2021-04-28 23:49:09,912 INFO L343 CegarLoopForPetriNet]: 136 programPoint places, -95 predicate places. [2021-04-28 23:49:09,912 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 23:49:09,912 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 41 places, 34 transitions, 150 flow [2021-04-28 23:49:09,913 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 41 places, 34 transitions, 150 flow [2021-04-28 23:49:09,913 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 40 places, 34 transitions, 150 flow [2021-04-28 23:49:09,977 INFO L129 PetriNetUnfolder]: 280/496 cut-off events. [2021-04-28 23:49:09,977 INFO L130 PetriNetUnfolder]: For 89/98 co-relation queries the response was YES. [2021-04-28 23:49:09,979 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1109 conditions, 496 events. 280/496 cut-off events. For 89/98 co-relation queries the response was YES. Maximal size of possible extension queue 94. Compared 2753 event pairs, 145 based on Foata normal form. 0/227 useless extension candidates. Maximal degree in co-relation 1099. Up to 433 conditions per place. [2021-04-28 23:49:09,985 INFO L146 LiptonReduction]: Number of co-enabled transitions 206 [2021-04-28 23:49:10,187 INFO L158 LiptonReduction]: Checked pairs total: 280 [2021-04-28 23:49:10,187 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 23:49:10,188 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 276 [2021-04-28 23:49:10,190 INFO L480 AbstractCegarLoop]: Abstraction has has 40 places, 34 transitions, 150 flow [2021-04-28 23:49:10,190 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 237.75) internal successors, (951), 4 states have internal predecessors, (951), 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 23:49:10,190 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 23:49:10,191 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 23:49:10,191 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-04-28 23:49:10,191 INFO L428 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 23:49:10,191 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 23:49:10,191 INFO L82 PathProgramCache]: Analyzing trace with hash 1149528994, now seen corresponding path program 1 times [2021-04-28 23:49:10,192 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 23:49:10,192 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [83965113] [2021-04-28 23:49:10,192 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 23:49:10,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 23:49:10,255 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 23:49:10,256 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 23:49:10,260 INFO L142 QuantifierPusher]: treesize reduction 4, result has 50.0 percent of original size [2021-04-28 23:49:10,261 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-04-28 23:49:10,272 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 23:49:10,273 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 23:49:10,280 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 23:49:10,282 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 23:49:10,283 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 23:49:10,283 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [83965113] [2021-04-28 23:49:10,284 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 23:49:10,284 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-04-28 23:49:10,287 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1274639972] [2021-04-28 23:49:10,288 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-04-28 23:49:10,288 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 23:49:10,288 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-04-28 23:49:10,288 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-04-28 23:49:10,291 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 237 out of 369 [2021-04-28 23:49:10,296 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 40 places, 34 transitions, 150 flow. Second operand has 5 states, 5 states have (on average 237.8) internal successors, (1189), 5 states have internal predecessors, (1189), 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 23:49:10,296 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 23:49:10,296 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 237 of 369 [2021-04-28 23:49:10,296 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 23:49:10,470 INFO L129 PetriNetUnfolder]: 360/670 cut-off events. [2021-04-28 23:49:10,471 INFO L130 PetriNetUnfolder]: For 240/288 co-relation queries the response was YES. [2021-04-28 23:49:10,473 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2120 conditions, 670 events. 360/670 cut-off events. For 240/288 co-relation queries the response was YES. Maximal size of possible extension queue 153. Compared 3909 event pairs, 9 based on Foata normal form. 67/406 useless extension candidates. Maximal degree in co-relation 2108. Up to 523 conditions per place. [2021-04-28 23:49:10,477 INFO L132 encePairwiseOnDemand]: 357/369 looper letters, 19 selfloop transitions, 20 changer transitions 1/53 dead transitions. [2021-04-28 23:49:10,477 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 44 places, 53 transitions, 307 flow [2021-04-28 23:49:10,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-04-28 23:49:10,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-04-28 23:49:10,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1227 transitions. [2021-04-28 23:49:10,483 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6650406504065041 [2021-04-28 23:49:10,483 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 1227 transitions. [2021-04-28 23:49:10,483 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 1227 transitions. [2021-04-28 23:49:10,485 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 23:49:10,485 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 1227 transitions. [2021-04-28 23:49:10,488 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 245.4) internal successors, (1227), 5 states have internal predecessors, (1227), 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 23:49:10,492 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 369.0) internal successors, (2214), 6 states have internal predecessors, (2214), 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 23:49:10,495 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 369.0) internal successors, (2214), 6 states have internal predecessors, (2214), 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 23:49:10,495 INFO L185 Difference]: Start difference. First operand has 40 places, 34 transitions, 150 flow. Second operand 5 states and 1227 transitions. [2021-04-28 23:49:10,495 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 44 places, 53 transitions, 307 flow [2021-04-28 23:49:10,497 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 42 places, 53 transitions, 291 flow, removed 1 selfloop flow, removed 2 redundant places. [2021-04-28 23:49:10,499 INFO L241 Difference]: Finished difference. Result has 44 places, 43 transitions, 262 flow [2021-04-28 23:49:10,499 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=369, PETRI_DIFFERENCE_MINUEND_FLOW=136, PETRI_DIFFERENCE_MINUEND_PLACES=38, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=34, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=11, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=14, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=262, PETRI_PLACES=44, PETRI_TRANSITIONS=43} [2021-04-28 23:49:10,499 INFO L343 CegarLoopForPetriNet]: 136 programPoint places, -92 predicate places. [2021-04-28 23:49:10,499 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 23:49:10,500 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 44 places, 43 transitions, 262 flow [2021-04-28 23:49:10,500 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 44 places, 43 transitions, 262 flow [2021-04-28 23:49:10,501 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 44 places, 43 transitions, 262 flow [2021-04-28 23:49:10,550 INFO L129 PetriNetUnfolder]: 171/391 cut-off events. [2021-04-28 23:49:10,550 INFO L130 PetriNetUnfolder]: For 185/210 co-relation queries the response was YES. [2021-04-28 23:49:10,552 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1274 conditions, 391 events. 171/391 cut-off events. For 185/210 co-relation queries the response was YES. Maximal size of possible extension queue 90. Compared 2435 event pairs, 36 based on Foata normal form. 2/211 useless extension candidates. Maximal degree in co-relation 1262. Up to 307 conditions per place. [2021-04-28 23:49:10,556 INFO L146 LiptonReduction]: Number of co-enabled transitions 198 [2021-04-28 23:49:10,758 INFO L158 LiptonReduction]: Checked pairs total: 400 [2021-04-28 23:49:10,758 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 23:49:10,758 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 259 [2021-04-28 23:49:10,761 INFO L480 AbstractCegarLoop]: Abstraction has has 44 places, 43 transitions, 262 flow [2021-04-28 23:49:10,762 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 237.8) internal successors, (1189), 5 states have internal predecessors, (1189), 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 23:49:10,762 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 23:49:10,762 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 23:49:10,762 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-04-28 23:49:10,762 INFO L428 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 23:49:10,763 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 23:49:10,763 INFO L82 PathProgramCache]: Analyzing trace with hash 1975536955, now seen corresponding path program 1 times [2021-04-28 23:49:10,763 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 23:49:10,763 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1939033702] [2021-04-28 23:49:10,764 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 23:49:10,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 23:49:10,932 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 23:49:10,933 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 23:49:10,939 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 23:49:10,941 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 23:49:10,949 INFO L142 QuantifierPusher]: treesize reduction 4, result has 50.0 percent of original size [2021-04-28 23:49:10,950 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-04-28 23:49:10,958 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 23:49:10,959 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 23:49:10,966 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 23:49:10,967 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 23:49:10,967 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 23:49:10,967 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1939033702] [2021-04-28 23:49:10,967 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 23:49:10,967 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-04-28 23:49:10,968 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2138896305] [2021-04-28 23:49:10,968 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-04-28 23:49:10,968 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 23:49:10,969 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-04-28 23:49:10,971 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-04-28 23:49:10,974 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 237 out of 369 [2021-04-28 23:49:10,976 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 44 places, 43 transitions, 262 flow. Second operand has 6 states, 6 states have (on average 237.83333333333334) internal successors, (1427), 6 states have internal predecessors, (1427), 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 23:49:10,977 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 23:49:10,977 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 237 of 369 [2021-04-28 23:49:10,977 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 23:49:11,184 INFO L129 PetriNetUnfolder]: 135/346 cut-off events. [2021-04-28 23:49:11,184 INFO L130 PetriNetUnfolder]: For 367/415 co-relation queries the response was YES. [2021-04-28 23:49:11,185 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1429 conditions, 346 events. 135/346 cut-off events. For 367/415 co-relation queries the response was YES. Maximal size of possible extension queue 72. Compared 2039 event pairs, 0 based on Foata normal form. 62/254 useless extension candidates. Maximal degree in co-relation 1415. Up to 253 conditions per place. [2021-04-28 23:49:11,188 INFO L132 encePairwiseOnDemand]: 357/369 looper letters, 1 selfloop transitions, 29 changer transitions 1/44 dead transitions. [2021-04-28 23:49:11,188 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 49 places, 44 transitions, 330 flow [2021-04-28 23:49:11,189 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-04-28 23:49:11,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-04-28 23:49:11,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1455 transitions. [2021-04-28 23:49:11,195 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6571815718157181 [2021-04-28 23:49:11,195 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1455 transitions. [2021-04-28 23:49:11,195 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1455 transitions. [2021-04-28 23:49:11,196 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 23:49:11,196 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1455 transitions. [2021-04-28 23:49:11,200 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 242.5) internal successors, (1455), 6 states have internal predecessors, (1455), 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 23:49:11,206 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 369.0) internal successors, (2583), 7 states have internal predecessors, (2583), 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 23:49:11,207 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 369.0) internal successors, (2583), 7 states have internal predecessors, (2583), 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 23:49:11,207 INFO L185 Difference]: Start difference. First operand has 44 places, 43 transitions, 262 flow. Second operand 6 states and 1455 transitions. [2021-04-28 23:49:11,208 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 49 places, 44 transitions, 330 flow [2021-04-28 23:49:11,213 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 42 places, 44 transitions, 262 flow, removed 13 selfloop flow, removed 7 redundant places. [2021-04-28 23:49:11,214 INFO L241 Difference]: Finished difference. Result has 44 places, 43 transitions, 288 flow [2021-04-28 23:49:11,215 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=369, PETRI_DIFFERENCE_MINUEND_FLOW=198, PETRI_DIFFERENCE_MINUEND_PLACES=37, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=43, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=29, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=14, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=288, PETRI_PLACES=44, PETRI_TRANSITIONS=43} [2021-04-28 23:49:11,215 INFO L343 CegarLoopForPetriNet]: 136 programPoint places, -92 predicate places. [2021-04-28 23:49:11,215 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 23:49:11,215 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 44 places, 43 transitions, 288 flow [2021-04-28 23:49:11,216 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 44 places, 43 transitions, 288 flow [2021-04-28 23:49:11,216 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 44 places, 43 transitions, 288 flow [2021-04-28 23:49:11,245 INFO L129 PetriNetUnfolder]: 81/238 cut-off events. [2021-04-28 23:49:11,245 INFO L130 PetriNetUnfolder]: For 221/239 co-relation queries the response was YES. [2021-04-28 23:49:11,246 INFO L84 FinitePrefix]: Finished finitePrefix Result has 927 conditions, 238 events. 81/238 cut-off events. For 221/239 co-relation queries the response was YES. Maximal size of possible extension queue 45. Compared 1372 event pairs, 0 based on Foata normal form. 0/137 useless extension candidates. Maximal degree in co-relation 916. Up to 163 conditions per place. [2021-04-28 23:49:11,248 INFO L146 LiptonReduction]: Number of co-enabled transitions 142 [2021-04-28 23:49:12,516 WARN L205 SmtUtils]: Spent 1.23 s on a formula simplification. DAG size of input: 218 DAG size of output: 177 [2021-04-28 23:49:13,097 WARN L205 SmtUtils]: Spent 577.00 ms on a formula simplification that was a NOOP. DAG size: 175 [2021-04-28 23:49:15,703 WARN L205 SmtUtils]: Spent 2.60 s on a formula simplification. DAG size of input: 302 DAG size of output: 258 [2021-04-28 23:49:16,842 WARN L205 SmtUtils]: Spent 1.13 s on a formula simplification that was a NOOP. DAG size: 255 [2021-04-28 23:49:17,124 INFO L158 LiptonReduction]: Checked pairs total: 935 [2021-04-28 23:49:17,124 INFO L160 LiptonReduction]: Total number of compositions: 2 [2021-04-28 23:49:17,124 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 5909 [2021-04-28 23:49:17,126 INFO L480 AbstractCegarLoop]: Abstraction has has 44 places, 43 transitions, 289 flow [2021-04-28 23:49:17,127 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 237.83333333333334) internal successors, (1427), 6 states have internal predecessors, (1427), 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 23:49:17,127 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 23:49:17,128 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 23:49:17,128 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-04-28 23:49:17,128 INFO L428 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 23:49:17,128 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 23:49:17,129 INFO L82 PathProgramCache]: Analyzing trace with hash -2091972600, now seen corresponding path program 1 times [2021-04-28 23:49:17,129 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 23:49:17,129 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2132078227] [2021-04-28 23:49:17,129 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 23:49:17,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-04-28 23:49:17,189 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-04-28 23:49:17,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-04-28 23:49:17,260 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-04-28 23:49:17,316 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-04-28 23:49:17,316 INFO L634 BasicCegarLoop]: Counterexample might be feasible [2021-04-28 23:49:17,317 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-04-28 23:49:17,446 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.04 11:49:17 BasicIcfg [2021-04-28 23:49:17,448 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-04-28 23:49:17,450 INFO L168 Benchmark]: Toolchain (without parser) took 57987.96 ms. Allocated memory was 302.0 MB in the beginning and 853.5 MB in the end (delta: 551.6 MB). Free memory was 277.0 MB in the beginning and 347.8 MB in the end (delta: -70.9 MB). Peak memory consumption was 482.1 MB. Max. memory is 16.0 GB. [2021-04-28 23:49:17,450 INFO L168 Benchmark]: CDTParser took 1.17 ms. Allocated memory is still 302.0 MB. Free memory is still 272.1 MB. There was no memory consumed. Max. memory is 16.0 GB. [2021-04-28 23:49:17,451 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1039.45 ms. Allocated memory is still 302.0 MB. Free memory was 273.7 MB in the beginning and 277.4 MB in the end (delta: -3.6 MB). Peak memory consumption was 35.6 MB. Max. memory is 16.0 GB. [2021-04-28 23:49:17,451 INFO L168 Benchmark]: Boogie Procedure Inliner took 132.00 ms. Allocated memory is still 302.0 MB. Free memory was 277.4 MB in the beginning and 275.3 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-04-28 23:49:17,451 INFO L168 Benchmark]: Boogie Preprocessor took 38.75 ms. Allocated memory is still 302.0 MB. Free memory was 275.3 MB in the beginning and 273.2 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-04-28 23:49:17,453 INFO L168 Benchmark]: RCFGBuilder took 2936.26 ms. Allocated memory was 302.0 MB in the beginning and 373.3 MB in the end (delta: 71.3 MB). Free memory was 273.2 MB in the beginning and 304.9 MB in the end (delta: -31.7 MB). Peak memory consumption was 169.7 MB. Max. memory is 16.0 GB. [2021-04-28 23:49:17,453 INFO L168 Benchmark]: TraceAbstraction took 53784.92 ms. Allocated memory was 373.3 MB in the beginning and 853.5 MB in the end (delta: 480.2 MB). Free memory was 304.9 MB in the beginning and 347.8 MB in the end (delta: -42.9 MB). Peak memory consumption was 436.3 MB. Max. memory is 16.0 GB. [2021-04-28 23:49:17,457 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.17 ms. Allocated memory is still 302.0 MB. Free memory is still 272.1 MB. There was no memory consumed. Max. memory is 16.0 GB. * CACSL2BoogieTranslator took 1039.45 ms. Allocated memory is still 302.0 MB. Free memory was 273.7 MB in the beginning and 277.4 MB in the end (delta: -3.6 MB). Peak memory consumption was 35.6 MB. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 132.00 ms. Allocated memory is still 302.0 MB. Free memory was 277.4 MB in the beginning and 275.3 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 38.75 ms. Allocated memory is still 302.0 MB. Free memory was 275.3 MB in the beginning and 273.2 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * RCFGBuilder took 2936.26 ms. Allocated memory was 302.0 MB in the beginning and 373.3 MB in the end (delta: 71.3 MB). Free memory was 273.2 MB in the beginning and 304.9 MB in the end (delta: -31.7 MB). Peak memory consumption was 169.7 MB. Max. memory is 16.0 GB. * TraceAbstraction took 53784.92 ms. Allocated memory was 373.3 MB in the beginning and 853.5 MB in the end (delta: 480.2 MB). Free memory was 304.9 MB in the beginning and 347.8 MB in the end (delta: -42.9 MB). Peak memory consumption was 436.3 MB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 41943.0ms, 103 PlacesBefore, 136 PlacesAfterwards, 95 TransitionsBefore, 127 TransitionsAfterwards, 1586 CoEnabledTransitionPairs, 9 FixpointIterations, 170 TrivialSequentialCompositions, 98 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 1 ConcurrentYvCompositions, 1 ChoiceCompositions, 270 TotalNumberOfCompositions, 16653 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 5552, positive: 5273, positive conditional: 5273, positive unconditional: 0, negative: 279, negative conditional: 279, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2330, positive: 2278, positive conditional: 0, positive unconditional: 2278, negative: 52, negative conditional: 0, negative unconditional: 52, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2330, positive: 2278, positive conditional: 0, positive unconditional: 2278, negative: 52, negative conditional: 0, negative unconditional: 52, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 2330, positive: 2263, positive conditional: 0, positive unconditional: 2263, negative: 67, negative conditional: 0, negative unconditional: 67, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 67, positive: 15, positive conditional: 0, positive unconditional: 15, negative: 52, negative conditional: 0, negative unconditional: 52, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 1044, positive: 54, positive conditional: 0, positive unconditional: 54, negative: 990, negative conditional: 0, negative unconditional: 990, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 5552, positive: 2995, positive conditional: 2995, positive unconditional: 0, negative: 227, negative conditional: 227, negative unconditional: 0, unknown: 2330, unknown conditional: 2330, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 2326, Positive cache size: 2274, Positive conditional cache size: 2274, Positive unconditional cache size: 0, Negative cache size: 52, Negative conditional cache size: 52, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 214.4ms, 132 PlacesBefore, 77 PlacesAfterwards, 68 TransitionsBefore, 68 TransitionsAfterwards, 1994 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 2506 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 549, positive: 471, positive conditional: 471, positive unconditional: 0, negative: 78, negative conditional: 78, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 119, positive: 98, positive conditional: 2, positive unconditional: 96, negative: 21, negative conditional: 2, negative unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 119, positive: 98, positive conditional: 2, positive unconditional: 96, negative: 21, negative conditional: 2, negative unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 119, positive: 98, positive conditional: 0, positive unconditional: 98, negative: 21, negative conditional: 0, negative unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 21, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 21, negative conditional: 2, negative unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 184, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 184, negative conditional: 50, negative unconditional: 134, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 549, positive: 373, positive conditional: 373, positive unconditional: 0, negative: 57, negative conditional: 57, negative unconditional: 0, unknown: 119, unknown conditional: 119, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 2445, Positive cache size: 2372, Positive conditional cache size: 2372, Positive unconditional cache size: 0, Negative cache size: 73, Negative conditional cache size: 73, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 342.7ms, 78 PlacesBefore, 52 PlacesAfterwards, 44 TransitionsBefore, 44 TransitionsAfterwards, 1060 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 628 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 221, positive: 200, positive conditional: 200, positive unconditional: 0, negative: 21, negative conditional: 21, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 87, positive: 77, positive conditional: 12, positive unconditional: 65, negative: 10, negative conditional: 2, negative unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 87, positive: 77, positive conditional: 12, positive unconditional: 65, negative: 10, negative conditional: 2, negative unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 87, positive: 77, positive conditional: 0, positive unconditional: 77, negative: 10, negative conditional: 0, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 10, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 10, negative conditional: 2, negative unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 317, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 317, negative conditional: 9, negative unconditional: 307, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 221, positive: 123, positive conditional: 123, positive unconditional: 0, negative: 11, negative conditional: 11, negative unconditional: 0, unknown: 87, unknown conditional: 87, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 2532, Positive cache size: 2449, Positive conditional cache size: 2449, Positive unconditional cache size: 0, Negative cache size: 83, Negative conditional cache size: 83, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 477.5ms, 58 PlacesBefore, 58 PlacesAfterwards, 49 TransitionsBefore, 49 TransitionsAfterwards, 1286 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 641 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 48, positive: 29, positive conditional: 29, positive unconditional: 0, negative: 19, negative conditional: 19, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 12, positive: 4, positive conditional: 4, positive unconditional: 0, negative: 8, negative conditional: 8, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 12, positive: 4, positive conditional: 4, positive unconditional: 0, negative: 8, negative conditional: 8, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 12, positive: 4, positive conditional: 0, positive unconditional: 4, negative: 8, negative conditional: 0, negative unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 8, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 8, negative conditional: 8, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 453, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 453, negative conditional: 453, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 48, positive: 25, positive conditional: 25, positive unconditional: 0, negative: 11, negative conditional: 11, negative unconditional: 0, unknown: 12, unknown conditional: 12, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 2544, Positive cache size: 2453, Positive conditional cache size: 2453, Positive unconditional cache size: 0, Negative cache size: 91, Negative conditional cache size: 91, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 465.7ms, 60 PlacesBefore, 59 PlacesAfterwards, 48 TransitionsBefore, 48 TransitionsAfterwards, 1218 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 622 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 50, positive: 31, positive conditional: 31, positive unconditional: 0, negative: 19, negative conditional: 19, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 10, positive: 4, positive conditional: 4, positive unconditional: 0, negative: 6, negative conditional: 6, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 10, positive: 4, positive conditional: 4, positive unconditional: 0, negative: 6, negative conditional: 6, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 10, positive: 4, positive conditional: 0, positive unconditional: 4, negative: 6, negative conditional: 0, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 6, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 6, negative conditional: 6, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 445, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 445, negative conditional: 445, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 50, positive: 27, positive conditional: 27, positive unconditional: 0, negative: 13, negative conditional: 13, negative unconditional: 0, unknown: 10, unknown conditional: 10, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 2554, Positive cache size: 2457, Positive conditional cache size: 2457, Positive unconditional cache size: 0, Negative cache size: 97, Negative conditional cache size: 97, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 46.7ms, 62 PlacesBefore, 47 PlacesAfterwards, 27 TransitionsBefore, 27 TransitionsAfterwards, 322 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 304 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 170, positive: 151, positive conditional: 151, positive unconditional: 0, negative: 19, negative conditional: 19, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 45, positive: 45, positive conditional: 18, positive unconditional: 27, 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: 45, positive: 45, positive conditional: 18, positive unconditional: 27, 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: 45, positive: 35, positive conditional: 0, positive unconditional: 35, negative: 10, negative conditional: 0, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 10, positive: 10, positive conditional: 0, positive unconditional: 10, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 34, positive: 34, positive conditional: 0, positive unconditional: 34, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 170, positive: 106, positive conditional: 106, positive unconditional: 0, negative: 19, negative conditional: 19, negative unconditional: 0, unknown: 45, unknown conditional: 45, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 2599, Positive cache size: 2502, Positive conditional cache size: 2502, Positive unconditional cache size: 0, Negative cache size: 97, Negative conditional cache size: 97, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 199.9ms, 41 PlacesBefore, 40 PlacesAfterwards, 26 TransitionsBefore, 26 TransitionsAfterwards, 242 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 1 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 470 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 223, positive: 190, positive conditional: 190, positive unconditional: 0, negative: 33, negative conditional: 33, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 20, positive: 19, positive conditional: 13, positive unconditional: 6, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 20, positive: 19, positive conditional: 13, positive unconditional: 6, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 20, positive: 19, positive conditional: 0, positive unconditional: 19, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 1, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 16, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 16, negative conditional: 0, negative unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 223, positive: 171, positive conditional: 171, positive unconditional: 0, negative: 32, negative conditional: 32, negative unconditional: 0, unknown: 20, unknown conditional: 20, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 2619, Positive cache size: 2521, Positive conditional cache size: 2521, Positive unconditional cache size: 0, Negative cache size: 98, Negative conditional cache size: 98, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 274.9ms, 41 PlacesBefore, 40 PlacesAfterwards, 34 TransitionsBefore, 34 TransitionsAfterwards, 206 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 280 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 189, positive: 175, positive conditional: 175, positive unconditional: 0, negative: 14, negative conditional: 14, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 45, positive: 41, positive conditional: 23, positive unconditional: 18, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 45, positive: 41, positive conditional: 23, positive unconditional: 18, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 45, positive: 41, positive conditional: 0, positive unconditional: 41, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 4, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 197, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 197, negative conditional: 0, negative unconditional: 197, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 189, positive: 134, positive conditional: 134, positive unconditional: 0, negative: 10, negative conditional: 10, negative unconditional: 0, unknown: 45, unknown conditional: 45, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 2664, Positive cache size: 2562, Positive conditional cache size: 2562, Positive unconditional cache size: 0, Negative cache size: 102, Negative conditional cache size: 102, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 258.1ms, 44 PlacesBefore, 44 PlacesAfterwards, 43 TransitionsBefore, 43 TransitionsAfterwards, 198 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 400 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 290, positive: 270, positive conditional: 270, positive unconditional: 0, negative: 20, negative conditional: 20, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 42, positive: 38, positive conditional: 38, positive unconditional: 0, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 42, positive: 38, positive conditional: 38, positive unconditional: 0, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 42, positive: 38, positive conditional: 0, positive unconditional: 38, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 4, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 194, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 194, negative conditional: 0, negative unconditional: 194, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 290, positive: 232, positive conditional: 232, positive unconditional: 0, negative: 16, negative conditional: 16, negative unconditional: 0, unknown: 42, unknown conditional: 42, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 2706, Positive cache size: 2600, Positive conditional cache size: 2600, Positive unconditional cache size: 0, Negative cache size: 106, Negative conditional cache size: 106, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 5908.5ms, 44 PlacesBefore, 44 PlacesAfterwards, 43 TransitionsBefore, 43 TransitionsAfterwards, 142 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 2 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 2 TotalNumberOfCompositions, 935 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 673, positive: 616, positive conditional: 616, positive unconditional: 0, negative: 57, negative conditional: 57, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 75, positive: 71, positive conditional: 71, positive unconditional: 0, negative: 4, negative conditional: 4, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 75, positive: 71, positive conditional: 71, positive unconditional: 0, negative: 4, negative conditional: 4, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 75, positive: 71, positive conditional: 0, positive unconditional: 71, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 4, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 4, negative conditional: 4, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 269, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 269, negative conditional: 269, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 673, positive: 545, positive conditional: 545, positive unconditional: 0, negative: 53, negative conditional: 53, negative unconditional: 0, unknown: 75, unknown conditional: 75, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 2781, Positive cache size: 2671, Positive conditional cache size: 2671, 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: [L710] 0 int __unbuffered_cnt = 0; [L712] 0 int __unbuffered_p0_EAX = 0; [L714] 0 int __unbuffered_p0_EBX = 0; [L716] 0 int __unbuffered_p2_EAX = 0; [L717] 0 _Bool main$tmp_guard0; [L718] 0 _Bool main$tmp_guard1; [L720] 0 int x = 0; [L721] 0 _Bool x$flush_delayed; [L722] 0 int x$mem_tmp; [L723] 0 _Bool x$r_buff0_thd0; [L724] 0 _Bool x$r_buff0_thd1; [L725] 0 _Bool x$r_buff0_thd2; [L726] 0 _Bool x$r_buff0_thd3; [L727] 0 _Bool x$r_buff1_thd0; [L728] 0 _Bool x$r_buff1_thd1; [L729] 0 _Bool x$r_buff1_thd2; [L730] 0 _Bool x$r_buff1_thd3; [L731] 0 _Bool x$read_delayed; [L732] 0 int *x$read_delayed_var; [L733] 0 int x$w_buff0; [L734] 0 _Bool x$w_buff0_used; [L735] 0 int x$w_buff1; [L736] 0 _Bool x$w_buff1_used; [L738] 0 int y = 0; [L740] 0 int z = 0; [L741] 0 _Bool weak$$choice0; [L742] 0 _Bool weak$$choice2; [L831] 0 pthread_t t2055; [L832] FCALL, FORK 0 pthread_create(&t2055, ((void *)0), P0, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p2_EAX=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_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=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, z=0] [L833] 0 pthread_t t2056; [L834] FCALL, FORK 0 pthread_create(&t2056, ((void *)0), P1, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p2_EAX=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_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=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, z=0] [L774] 2 x$w_buff1 = x$w_buff0 [L775] 2 x$w_buff0 = 1 [L776] 2 x$w_buff1_used = x$w_buff0_used [L777] 2 x$w_buff0_used = (_Bool)1 [L19] COND FALSE 2 !(!expression) [L779] 2 x$r_buff1_thd0 = x$r_buff0_thd0 [L780] 2 x$r_buff1_thd1 = x$r_buff0_thd1 [L781] 2 x$r_buff1_thd2 = x$r_buff0_thd2 [L782] 2 x$r_buff1_thd3 = x$r_buff0_thd3 [L783] 2 x$r_buff0_thd2 = (_Bool)1 [L786] 2 y = 1 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p2_EAX=0, arg={0:0}, main$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_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=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, z=0] [L835] 0 pthread_t t2057; [L836] FCALL, FORK 0 pthread_create(&t2057, ((void *)0), P2, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p2_EAX=0, 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_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=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, z=0] [L803] 3 __unbuffered_p2_EAX = y VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p2_EAX=1, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, 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_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=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, z=0] [L806] 3 z = 1 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p2_EAX=1, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, 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_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=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, z=1] [L746] 1 __unbuffered_p0_EAX = z VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=1, __unbuffered_p0_EBX=0, __unbuffered_p2_EAX=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=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_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=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, z=1] [L749] 1 weak$$choice0 = __VERIFIER_nondet_bool() [L750] 1 weak$$choice2 = __VERIFIER_nondet_bool() [L751] 1 x$flush_delayed = weak$$choice2 [L752] 1 x$mem_tmp = x [L753] EXPR 1 !x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x : (x$w_buff0_used && x$r_buff0_thd1 ? x$w_buff0 : x$w_buff1) [L753] 1 x = !x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x : (x$w_buff0_used && x$r_buff0_thd1 ? x$w_buff0 : x$w_buff1) [L754] EXPR 1 weak$$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$w_buff0)) [L754] 1 x$w_buff0 = weak$$choice2 ? x$w_buff0 : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$w_buff0 : (x$w_buff0_used && x$r_buff0_thd1 ? x$w_buff0 : x$w_buff0)) [L755] EXPR 1 weak$$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$w_buff1)) [L755] 1 x$w_buff1 = weak$$choice2 ? x$w_buff1 : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$w_buff1 : (x$w_buff0_used && x$r_buff0_thd1 ? x$w_buff1 : x$w_buff1)) [L756] EXPR 1 weak$$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)) [L756] 1 x$w_buff0_used = weak$$choice2 ? x$w_buff0_used : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$w_buff0_used : (x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : x$w_buff0_used)) [L757] EXPR 1 weak$$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$r_buff0_thd1 ? (_Bool)0 : (_Bool)0)) [L757] 1 x$w_buff1_used = weak$$choice2 ? x$w_buff1_used : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$w_buff1_used : (x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : (_Bool)0)) [L758] EXPR 1 weak$$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)) [L758] 1 x$r_buff0_thd1 = weak$$choice2 ? x$r_buff0_thd1 : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$r_buff0_thd1 : (x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : x$r_buff0_thd1)) [L759] EXPR 1 weak$$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$r_buff0_thd1 ? (_Bool)0 : (_Bool)0)) [L759] 1 x$r_buff1_thd1 = weak$$choice2 ? x$r_buff1_thd1 : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$r_buff1_thd1 : (x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : (_Bool)0)) [L760] 1 __unbuffered_p0_EBX = x [L761] EXPR 1 x$flush_delayed ? x$mem_tmp : x [L761] 1 x = x$flush_delayed ? x$mem_tmp : x [L762] 1 x$flush_delayed = (_Bool)0 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=1, __unbuffered_p0_EBX=0, __unbuffered_p2_EAX=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=255, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=1, z=1] [L789] EXPR 2 x$w_buff0_used && x$r_buff0_thd2 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd2 ? x$w_buff1 : x) [L789] 2 x = x$w_buff0_used && x$r_buff0_thd2 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd2 ? x$w_buff1 : x) [L790] EXPR 2 x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : x$w_buff0_used [L790] 2 x$w_buff0_used = x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : x$w_buff0_used [L791] EXPR 2 x$w_buff0_used && x$r_buff0_thd2 || x$w_buff1_used && x$r_buff1_thd2 ? (_Bool)0 : x$w_buff1_used [L791] 2 x$w_buff1_used = x$w_buff0_used && x$r_buff0_thd2 || x$w_buff1_used && x$r_buff1_thd2 ? (_Bool)0 : x$w_buff1_used [L792] EXPR 2 x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : x$r_buff0_thd2 [L792] 2 x$r_buff0_thd2 = x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : x$r_buff0_thd2 [L793] EXPR 2 x$w_buff0_used && x$r_buff0_thd2 || x$w_buff1_used && x$r_buff1_thd2 ? (_Bool)0 : x$r_buff1_thd2 [L793] 2 x$r_buff1_thd2 = x$w_buff0_used && x$r_buff0_thd2 || x$w_buff1_used && x$r_buff1_thd2 ? (_Bool)0 : x$r_buff1_thd2 [L796] 2 __unbuffered_cnt = __unbuffered_cnt + 1 VAL [__unbuffered_cnt=1, __unbuffered_p0_EAX=1, __unbuffered_p0_EBX=0, __unbuffered_p2_EAX=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=255, x=1, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=1, z=1] [L809] EXPR 3 x$w_buff0_used && x$r_buff0_thd3 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd3 ? x$w_buff1 : x) [L809] EXPR 3 x$w_buff1_used && x$r_buff1_thd3 ? x$w_buff1 : x [L809] EXPR 3 x$w_buff0_used && x$r_buff0_thd3 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd3 ? x$w_buff1 : x) [L809] 3 x = x$w_buff0_used && x$r_buff0_thd3 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd3 ? x$w_buff1 : x) [L810] EXPR 3 x$w_buff0_used && x$r_buff0_thd3 ? (_Bool)0 : x$w_buff0_used [L810] 3 x$w_buff0_used = x$w_buff0_used && x$r_buff0_thd3 ? (_Bool)0 : x$w_buff0_used [L811] EXPR 3 x$w_buff0_used && x$r_buff0_thd3 || x$w_buff1_used && x$r_buff1_thd3 ? (_Bool)0 : x$w_buff1_used [L811] 3 x$w_buff1_used = x$w_buff0_used && x$r_buff0_thd3 || x$w_buff1_used && x$r_buff1_thd3 ? (_Bool)0 : x$w_buff1_used [L812] EXPR 3 x$w_buff0_used && x$r_buff0_thd3 ? (_Bool)0 : x$r_buff0_thd3 [L812] 3 x$r_buff0_thd3 = x$w_buff0_used && x$r_buff0_thd3 ? (_Bool)0 : x$r_buff0_thd3 [L813] EXPR 3 x$w_buff0_used && x$r_buff0_thd3 || x$w_buff1_used && x$r_buff1_thd3 ? (_Bool)0 : x$r_buff1_thd3 [L813] 3 x$r_buff1_thd3 = x$w_buff0_used && x$r_buff0_thd3 || x$w_buff1_used && x$r_buff1_thd3 ? (_Bool)0 : x$r_buff1_thd3 [L816] 3 __unbuffered_cnt = __unbuffered_cnt + 1 [L818] 3 return 0; VAL [\result={0:0}, __unbuffered_cnt=2, __unbuffered_p0_EAX=1, __unbuffered_p0_EBX=0, __unbuffered_p2_EAX=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=255, x=1, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=1, z=1] [L767] 1 __unbuffered_cnt = __unbuffered_cnt + 1 VAL [\result={0:0}, __unbuffered_cnt=3, __unbuffered_p0_EAX=1, __unbuffered_p0_EBX=0, __unbuffered_p2_EAX=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=255, x=1, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=1, z=1] [L838] 0 main$tmp_guard0 = __unbuffered_cnt == 3 VAL [\result={0:0}, __unbuffered_cnt=3, __unbuffered_p0_EAX=1, __unbuffered_p0_EBX=0, __unbuffered_p2_EAX=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=255, x=1, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=1, z=1] [L4] COND FALSE 0 !(!cond) [L842] EXPR 0 x$w_buff0_used && x$r_buff0_thd0 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd0 ? x$w_buff1 : x) [L842] EXPR 0 x$w_buff1_used && x$r_buff1_thd0 ? x$w_buff1 : x [L842] EXPR 0 x$w_buff0_used && x$r_buff0_thd0 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd0 ? x$w_buff1 : x) [L842] 0 x = x$w_buff0_used && x$r_buff0_thd0 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd0 ? x$w_buff1 : x) [L843] EXPR 0 x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : x$w_buff0_used [L843] 0 x$w_buff0_used = x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : x$w_buff0_used [L844] EXPR 0 x$w_buff0_used && x$r_buff0_thd0 || x$w_buff1_used && x$r_buff1_thd0 ? (_Bool)0 : x$w_buff1_used [L844] 0 x$w_buff1_used = x$w_buff0_used && x$r_buff0_thd0 || x$w_buff1_used && x$r_buff1_thd0 ? (_Bool)0 : x$w_buff1_used [L845] EXPR 0 x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : x$r_buff0_thd0 [L845] 0 x$r_buff0_thd0 = x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : x$r_buff0_thd0 [L846] EXPR 0 x$w_buff0_used && x$r_buff0_thd0 || x$w_buff1_used && x$r_buff1_thd0 ? (_Bool)0 : x$r_buff1_thd0 [L846] 0 x$r_buff1_thd0 = x$w_buff0_used && x$r_buff0_thd0 || x$w_buff1_used && x$r_buff1_thd0 ? (_Bool)0 : x$r_buff1_thd0 [L849] 0 main$tmp_guard1 = !(__unbuffered_p0_EAX == 1 && __unbuffered_p0_EBX == 0 && __unbuffered_p2_EAX == 1) [L19] COND TRUE 0 !expression [L19] 0 reach_error() VAL [\result={0:0}, __unbuffered_cnt=3, __unbuffered_p0_EAX=1, __unbuffered_p0_EBX=0, __unbuffered_p2_EAX=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=255, 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_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=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=1, z=1] - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 97 locations, 2 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 14.9ms, RemoveRedundantFlowTime: 0.0ms, RemoveRedundantFlowUnfoldingTime: 0.0ms, BackfoldingTime: 0.0ms, BackfoldingUnfoldingTime: 0.0ms, FlowIncreaseByBackfolding: 0, BasicCegarLoop: VerificationResult: UNSAFE, OverallTime: 53469.1ms, OverallIterations: 10, TraceHistogramMax: 1, EmptinessCheckTime: 0.0ms, AutomataDifference: 1563.4ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 42067.7ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 65 SDtfs, 52 SDslu, 32 SDs, 0 SdLazy, 191 SolverSat, 115 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 379.0ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 32 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 194.3ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=289occurred in iteration=9, InterpolantAutomatonStates: 37, 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: 48.7ms SsaConstructionTime, 427.1ms SatisfiabilityAnalysisTime, 677.9ms InterpolantComputationTime, 122 NumberOfCodeBlocks, 122 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 94 ConstructedInterpolants, 0 QuantifiedInterpolants, 448 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 9 InterpolantComputations, 9 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...