/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/mix021_pso.oepc.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-6f4246e9f5583d222ebb38ff8175c901f3a528f0-6f4246e [2021-04-28 18:41:14,929 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-04-28 18:41:14,932 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-04-28 18:41:14,969 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-04-28 18:41:14,969 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-04-28 18:41:14,971 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-04-28 18:41:14,972 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-04-28 18:41:14,975 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-04-28 18:41:14,977 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-04-28 18:41:14,978 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-04-28 18:41:14,979 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-04-28 18:41:14,980 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-04-28 18:41:14,981 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-04-28 18:41:14,982 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-04-28 18:41:14,983 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-04-28 18:41:14,984 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-04-28 18:41:14,988 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-04-28 18:41:14,989 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-04-28 18:41:14,991 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-04-28 18:41:14,993 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-04-28 18:41:14,995 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-04-28 18:41:14,996 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-04-28 18:41:14,998 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-04-28 18:41:14,999 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-04-28 18:41:15,002 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-04-28 18:41:15,005 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-04-28 18:41:15,006 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-04-28 18:41:15,007 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-04-28 18:41:15,008 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-04-28 18:41:15,009 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-04-28 18:41:15,010 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-04-28 18:41:15,011 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-04-28 18:41:15,011 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-04-28 18:41:15,011 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-04-28 18:41:15,012 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-04-28 18:41:15,013 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-04-28 18:41:15,020 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 18:41:15,072 INFO L113 SettingsManager]: Loading preferences was successful [2021-04-28 18:41:15,072 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-04-28 18:41:15,074 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-04-28 18:41:15,075 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-04-28 18:41:15,075 INFO L138 SettingsManager]: * Use SBE=true [2021-04-28 18:41:15,075 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-04-28 18:41:15,075 INFO L138 SettingsManager]: * sizeof long=4 [2021-04-28 18:41:15,075 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-04-28 18:41:15,076 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-04-28 18:41:15,076 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-04-28 18:41:15,078 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-04-28 18:41:15,078 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-04-28 18:41:15,078 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-04-28 18:41:15,078 INFO L138 SettingsManager]: * sizeof long double=12 [2021-04-28 18:41:15,078 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-04-28 18:41:15,079 INFO L138 SettingsManager]: * Use constant arrays=true [2021-04-28 18:41:15,079 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-04-28 18:41:15,080 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-04-28 18:41:15,080 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-04-28 18:41:15,080 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-04-28 18:41:15,081 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-04-28 18:41:15,081 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-04-28 18:41:15,081 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-04-28 18:41:15,081 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-04-28 18:41:15,082 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-04-28 18:41:15,082 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-04-28 18:41:15,082 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-04-28 18:41:15,082 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=SEMANTIC_BASED_MOVER_CHECK_WITH_PREDICATES [2021-04-28 18:41:15,082 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-04-28 18:41:15,083 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-04-28 18:41:15,083 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-04-28 18:41:15,538 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-04-28 18:41:15,579 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-04-28 18:41:15,582 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-04-28 18:41:15,583 INFO L271 PluginConnector]: Initializing CDTParser... [2021-04-28 18:41:15,588 INFO L275 PluginConnector]: CDTParser initialized [2021-04-28 18:41:15,590 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/mix021_pso.oepc.i [2021-04-28 18:41:15,684 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f055fd90f/ee730190a02b45e7814e2626b595b86a/FLAGd7512563e [2021-04-28 18:41:16,398 INFO L306 CDTParser]: Found 1 translation units. [2021-04-28 18:41:16,400 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix021_pso.oepc.i [2021-04-28 18:41:16,426 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f055fd90f/ee730190a02b45e7814e2626b595b86a/FLAGd7512563e [2021-04-28 18:41:16,628 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f055fd90f/ee730190a02b45e7814e2626b595b86a [2021-04-28 18:41:16,633 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-04-28 18:41:16,717 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-04-28 18:41:16,718 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-04-28 18:41:16,719 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-04-28 18:41:16,722 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-04-28 18:41:16,723 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.04 06:41:16" (1/1) ... [2021-04-28 18:41:16,724 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@382d6040 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 06:41:16, skipping insertion in model container [2021-04-28 18:41:16,725 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.04 06:41:16" (1/1) ... [2021-04-28 18:41:16,734 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-04-28 18:41:16,778 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-04-28 18:41:16,958 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/mix021_pso.oepc.i[949,962] [2021-04-28 18:41:17,353 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-04-28 18:41:17,364 INFO L203 MainTranslator]: Completed pre-run [2021-04-28 18:41:17,378 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/mix021_pso.oepc.i[949,962] [2021-04-28 18:41:17,431 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-04-28 18:41:17,573 INFO L208 MainTranslator]: Completed translation [2021-04-28 18:41:17,574 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 06:41:17 WrapperNode [2021-04-28 18:41:17,576 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-04-28 18:41:17,577 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-04-28 18:41:17,578 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-04-28 18:41:17,579 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-04-28 18:41:17,588 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 06:41:17" (1/1) ... [2021-04-28 18:41:17,642 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 06:41:17" (1/1) ... [2021-04-28 18:41:17,691 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-04-28 18:41:17,692 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-04-28 18:41:17,693 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-04-28 18:41:17,693 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-04-28 18:41:17,702 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 06:41:17" (1/1) ... [2021-04-28 18:41:17,703 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 06:41:17" (1/1) ... [2021-04-28 18:41:17,723 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 06:41:17" (1/1) ... [2021-04-28 18:41:17,723 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 06:41:17" (1/1) ... [2021-04-28 18:41:17,749 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 06:41:17" (1/1) ... [2021-04-28 18:41:17,757 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 06:41:17" (1/1) ... [2021-04-28 18:41:17,766 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 06:41:17" (1/1) ... [2021-04-28 18:41:17,775 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-04-28 18:41:17,779 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-04-28 18:41:17,779 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-04-28 18:41:17,779 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-04-28 18:41:17,780 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 06:41:17" (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 18:41:17,914 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-04-28 18:41:17,915 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-04-28 18:41:17,915 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-04-28 18:41:17,916 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-04-28 18:41:17,917 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-04-28 18:41:17,917 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-04-28 18:41:17,918 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-04-28 18:41:17,918 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-04-28 18:41:17,919 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2021-04-28 18:41:17,919 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2021-04-28 18:41:17,919 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2021-04-28 18:41:17,919 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2021-04-28 18:41:17,919 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-04-28 18:41:17,920 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-04-28 18:41:17,920 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-04-28 18:41:17,920 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-04-28 18:41:17,923 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 18:41:20,456 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-04-28 18:41:20,456 INFO L299 CfgBuilder]: Removed 10 assume(true) statements. [2021-04-28 18:41:20,458 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.04 06:41:20 BoogieIcfgContainer [2021-04-28 18:41:20,459 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-04-28 18:41:20,460 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-04-28 18:41:20,460 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-04-28 18:41:20,466 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-04-28 18:41:20,466 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.04 06:41:16" (1/3) ... [2021-04-28 18:41:20,467 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@61f52b3f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.04 06:41:20, skipping insertion in model container [2021-04-28 18:41:20,467 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 06:41:17" (2/3) ... [2021-04-28 18:41:20,467 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@61f52b3f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.04 06:41:20, skipping insertion in model container [2021-04-28 18:41:20,468 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.04 06:41:20" (3/3) ... [2021-04-28 18:41:20,470 INFO L111 eAbstractionObserver]: Analyzing ICFG mix021_pso.oepc.i [2021-04-28 18:41:20,477 INFO L149 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-04-28 18:41:20,483 INFO L161 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2021-04-28 18:41:20,484 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-04-28 18:41:20,530 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:41:20,530 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:41:20,531 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:41:20,531 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:41:20,531 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:41:20,531 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:41:20,531 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:41:20,531 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:41:20,532 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:41:20,532 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:41:20,532 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:41:20,532 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:41:20,533 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:41:20,533 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:41:20,533 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:41:20,533 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:41:20,534 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:41:20,534 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:41:20,534 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:41:20,534 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:41:20,534 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:41:20,535 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:41:20,535 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:41:20,535 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:41:20,535 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:41:20,536 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:41:20,536 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:41:20,536 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:41:20,536 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:41:20,536 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:41:20,537 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:41:20,537 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:41:20,537 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:41:20,538 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:41:20,538 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:41:20,538 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:41:20,538 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:41:20,539 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:41:20,539 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:41:20,539 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:41:20,539 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:41:20,539 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:41:20,540 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:41:20,540 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:41:20,540 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:41:20,540 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:41:20,540 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:41:20,540 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:41:20,541 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:41:20,541 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:41:20,541 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:41:20,541 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:41:20,542 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:41:20,542 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:41:20,542 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:41:20,542 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:41:20,543 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:41:20,543 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:41:20,543 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:41:20,543 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:41:20,544 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:41:20,544 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:41:20,544 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:41:20,544 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:41:20,545 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:41:20,545 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:41:20,545 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:41:20,545 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:41:20,545 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:41:20,545 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:41:20,546 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:41:20,546 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:41:20,546 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:41:20,546 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:41:20,546 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:41:20,547 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:41:20,547 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:41:20,547 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:41:20,547 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:41:20,548 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:41:20,548 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:41:20,548 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:41:20,549 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:41:20,549 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:41:20,549 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:41:20,549 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:41:20,550 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:41:20,550 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:41:20,550 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:41:20,550 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:41:20,550 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:41:20,550 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:41:20,551 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:41:20,551 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:41:20,551 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:41:20,551 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:41:20,551 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:41:20,552 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:41:20,552 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:41:20,552 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:41:20,552 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:41:20,552 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:41:20,553 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:41:20,553 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:41:20,553 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:41:20,553 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~nondet23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:41:20,553 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~nondet24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:41:20,553 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:41:20,554 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:41:20,554 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:41:20,554 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:41:20,554 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:41:20,554 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:41:20,555 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:41:20,555 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:41:20,555 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:41:20,555 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:41:20,555 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:41:20,555 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:41:20,555 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~nondet23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:41:20,556 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~nondet24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:41:20,556 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:41:20,556 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:41:20,556 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:41:20,556 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:41:20,556 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:41:20,557 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:41:20,557 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:41:20,557 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:41:20,557 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:41:20,557 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:41:20,557 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:41:20,560 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:41:20,560 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:41:20,560 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:41:20,560 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:41:20,560 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:41:20,561 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:41:20,561 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:41:20,561 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:41:20,561 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:41:20,561 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:41:20,561 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:41:20,562 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~nondet23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:41:20,562 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~nondet24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:41:20,562 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:41:20,562 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:41:20,562 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:41:20,562 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:41:20,562 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:41:20,563 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:41:20,563 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:41:20,563 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:41:20,563 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:41:20,563 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:41:20,563 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:41:20,564 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:41:20,564 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~nondet23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:41:20,564 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~nondet24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:41:20,564 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:41:20,564 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:41:20,564 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:41:20,564 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:41:20,565 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:41:20,565 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:41:20,565 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:41:20,565 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:41:20,565 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:41:20,565 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:41:20,566 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:41:20,568 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:41:20,568 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:41:20,568 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:41:20,568 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:41:20,568 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:41:20,569 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:41:20,569 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:41:20,569 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:41:20,569 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:41:20,570 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:41:20,570 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:41:20,570 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:41:20,570 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:41:20,570 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:41:20,571 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:41:20,571 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:41:20,571 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:41:20,572 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:41:20,574 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:41:20,574 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:41:20,574 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:41:20,575 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:41:20,575 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:41:20,575 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:41:20,575 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:41:20,575 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:41:20,576 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:41:20,576 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:41:20,576 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:41:20,576 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:41:20,579 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:41:20,579 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:41:20,579 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:41:20,579 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:41:20,580 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:41:20,580 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:41:20,580 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:41:20,580 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:41:20,580 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:41:20,580 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:41:20,582 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:41:20,582 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:41:20,583 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:41:20,583 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:41:20,583 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:41:20,583 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:41:20,583 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:41:20,584 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:41:20,584 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:41:20,584 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:41:20,586 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:41:20,586 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:41:20,586 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:41:20,586 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:41:20,586 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:41:20,587 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:41:20,587 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:41:20,587 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:41:20,587 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:41:20,587 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:41:20,588 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:41:20,588 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:41:20,588 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:41:20,588 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:41:20,588 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:41:20,589 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:41:20,589 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~nondet23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:41:20,589 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~nondet24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:41:20,589 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:41:20,589 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:41:20,590 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:41:20,590 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:41:20,590 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:41:20,590 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:41:20,590 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:41:20,591 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:41:20,591 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:41:20,591 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:41:20,591 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:41:20,591 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:41:20,592 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:41:20,592 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:41:20,592 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:41:20,594 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-04-28 18:41:20,621 INFO L253 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2021-04-28 18:41:20,646 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-04-28 18:41:20,647 INFO L377 AbstractCegarLoop]: Hoare is false [2021-04-28 18:41:20,647 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-04-28 18:41:20,647 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-04-28 18:41:20,647 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-04-28 18:41:20,647 INFO L381 AbstractCegarLoop]: Difference is false [2021-04-28 18:41:20,647 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-04-28 18:41:20,647 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-04-28 18:41:20,662 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 128 places, 117 transitions, 254 flow [2021-04-28 18:41:20,716 INFO L129 PetriNetUnfolder]: 2/113 cut-off events. [2021-04-28 18:41:20,716 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 18:41:20,722 INFO L84 FinitePrefix]: Finished finitePrefix Result has 126 conditions, 113 events. 2/113 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 88 event pairs, 0 based on Foata normal form. 0/109 useless extension candidates. Maximal degree in co-relation 77. Up to 2 conditions per place. [2021-04-28 18:41:20,722 INFO L82 GeneralOperation]: Start removeDead. Operand has 128 places, 117 transitions, 254 flow [2021-04-28 18:41:20,728 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 124 places, 113 transitions, 238 flow [2021-04-28 18:41:20,730 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 18:41:20,752 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 124 places, 113 transitions, 238 flow [2021-04-28 18:41:20,756 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 124 places, 113 transitions, 238 flow [2021-04-28 18:41:20,762 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 124 places, 113 transitions, 238 flow [2021-04-28 18:41:20,812 INFO L129 PetriNetUnfolder]: 2/113 cut-off events. [2021-04-28 18:41:20,812 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 18:41:20,814 INFO L84 FinitePrefix]: Finished finitePrefix Result has 126 conditions, 113 events. 2/113 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 90 event pairs, 0 based on Foata normal form. 0/109 useless extension candidates. Maximal degree in co-relation 77. Up to 2 conditions per place. [2021-04-28 18:41:20,820 INFO L146 LiptonReduction]: Number of co-enabled transitions 2774 [2021-04-28 18:41:24,376 WARN L205 SmtUtils]: Spent 268.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 60 [2021-04-28 18:41:25,032 WARN L205 SmtUtils]: Spent 551.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 83 [2021-04-28 18:41:25,236 WARN L205 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2021-04-28 18:41:25,728 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 45 [2021-04-28 18:41:26,328 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 43 [2021-04-28 18:41:38,477 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 71 [2021-04-28 18:41:38,582 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 71 [2021-04-28 18:41:38,687 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 71 [2021-04-28 18:41:42,210 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2021-04-28 18:41:42,322 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2021-04-28 18:41:42,431 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2021-04-28 18:41:42,542 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2021-04-28 18:41:42,659 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2021-04-28 18:41:42,774 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2021-04-28 18:41:42,888 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2021-04-28 18:41:42,995 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2021-04-28 18:41:43,461 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-04-28 18:41:43,567 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-04-28 18:41:43,670 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-04-28 18:41:43,772 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-04-28 18:41:43,876 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2021-04-28 18:41:44,176 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2021-04-28 18:41:44,499 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2021-04-28 18:41:44,605 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2021-04-28 18:41:44,738 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2021-04-28 18:41:44,871 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2021-04-28 18:41:44,997 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2021-04-28 18:41:45,127 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2021-04-28 18:41:48,165 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 87 [2021-04-28 18:41:48,312 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 87 [2021-04-28 18:41:48,460 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 87 [2021-04-28 18:41:48,608 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 87 [2021-04-28 18:41:49,804 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2021-04-28 18:41:50,889 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2021-04-28 18:41:51,025 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2021-04-28 18:41:51,163 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2021-04-28 18:41:51,301 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2021-04-28 18:41:52,279 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-04-28 18:41:52,443 WARN L205 SmtUtils]: Spent 163.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-04-28 18:41:52,583 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-04-28 18:41:52,723 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-04-28 18:41:52,836 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2021-04-28 18:41:52,939 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2021-04-28 18:41:53,058 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2021-04-28 18:41:53,173 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2021-04-28 18:41:53,291 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2021-04-28 18:41:53,420 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2021-04-28 18:41:53,540 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2021-04-28 18:41:53,661 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2021-04-28 18:41:54,525 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2021-04-28 18:41:54,687 WARN L205 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2021-04-28 18:41:54,848 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2021-04-28 18:41:55,004 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2021-04-28 18:41:55,569 WARN L205 SmtUtils]: Spent 562.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 122 [2021-04-28 18:41:55,835 WARN L205 SmtUtils]: Spent 263.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2021-04-28 18:41:56,405 WARN L205 SmtUtils]: Spent 569.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 122 [2021-04-28 18:41:56,652 WARN L205 SmtUtils]: Spent 246.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2021-04-28 18:41:56,827 WARN L205 SmtUtils]: Spent 173.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-04-28 18:41:56,992 WARN L205 SmtUtils]: Spent 164.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-04-28 18:41:57,165 WARN L205 SmtUtils]: Spent 172.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-04-28 18:41:57,337 WARN L205 SmtUtils]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-04-28 18:41:57,538 WARN L205 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2021-04-28 18:41:57,737 WARN L205 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2021-04-28 18:41:57,945 WARN L205 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2021-04-28 18:41:58,141 WARN L205 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2021-04-28 18:41:58,324 WARN L205 SmtUtils]: Spent 178.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2021-04-28 18:41:58,505 WARN L205 SmtUtils]: Spent 181.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2021-04-28 18:41:58,690 WARN L205 SmtUtils]: Spent 183.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2021-04-28 18:41:58,887 WARN L205 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2021-04-28 18:41:59,095 WARN L205 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2021-04-28 18:41:59,299 WARN L205 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2021-04-28 18:41:59,503 WARN L205 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2021-04-28 18:41:59,709 WARN L205 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2021-04-28 18:42:00,247 WARN L205 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2021-04-28 18:42:00,456 WARN L205 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2021-04-28 18:42:00,657 WARN L205 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2021-04-28 18:42:00,859 WARN L205 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2021-04-28 18:42:01,040 WARN L205 SmtUtils]: Spent 179.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-04-28 18:42:01,215 WARN L205 SmtUtils]: Spent 174.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-04-28 18:42:01,389 WARN L205 SmtUtils]: Spent 172.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-04-28 18:42:01,569 WARN L205 SmtUtils]: Spent 178.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-04-28 18:42:01,731 WARN L205 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2021-04-28 18:42:01,892 WARN L205 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2021-04-28 18:42:02,057 WARN L205 SmtUtils]: Spent 163.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2021-04-28 18:42:02,215 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2021-04-28 18:42:02,410 WARN L205 SmtUtils]: Spent 193.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2021-04-28 18:42:02,592 WARN L205 SmtUtils]: Spent 180.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2021-04-28 18:42:02,766 WARN L205 SmtUtils]: Spent 173.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2021-04-28 18:42:02,940 WARN L205 SmtUtils]: Spent 173.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2021-04-28 18:42:03,092 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-28 18:42:03,241 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-28 18:42:03,392 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-28 18:42:03,540 WARN L205 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-28 18:42:03,696 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-28 18:42:03,850 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-28 18:42:04,000 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-28 18:42:04,151 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-28 18:42:04,316 WARN L205 SmtUtils]: Spent 163.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-04-28 18:42:04,483 WARN L205 SmtUtils]: Spent 166.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-04-28 18:42:04,649 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-04-28 18:42:04,820 WARN L205 SmtUtils]: Spent 169.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-04-28 18:42:04,972 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2021-04-28 18:42:05,118 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2021-04-28 18:42:05,264 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2021-04-28 18:42:05,410 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2021-04-28 18:42:05,927 WARN L205 SmtUtils]: Spent 513.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 117 [2021-04-28 18:42:06,149 WARN L205 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 113 [2021-04-28 18:42:06,644 WARN L205 SmtUtils]: Spent 494.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 117 [2021-04-28 18:42:06,871 WARN L205 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 113 [2021-04-28 18:42:07,075 WARN L205 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2021-04-28 18:42:07,270 WARN L205 SmtUtils]: Spent 193.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2021-04-28 18:42:07,473 WARN L205 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2021-04-28 18:42:07,684 WARN L205 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2021-04-28 18:42:07,892 WARN L205 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2021-04-28 18:42:08,082 WARN L205 SmtUtils]: Spent 186.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2021-04-28 18:42:08,281 WARN L205 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2021-04-28 18:42:08,481 WARN L205 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2021-04-28 18:42:08,672 WARN L205 SmtUtils]: Spent 186.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2021-04-28 18:42:08,869 WARN L205 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2021-04-28 18:42:09,063 WARN L205 SmtUtils]: Spent 193.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2021-04-28 18:42:09,265 WARN L205 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2021-04-28 18:42:09,488 WARN L205 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2021-04-28 18:42:09,701 WARN L205 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2021-04-28 18:42:09,915 WARN L205 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2021-04-28 18:42:10,126 WARN L205 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2021-04-28 18:42:10,199 INFO L158 LiptonReduction]: Checked pairs total: 28389 [2021-04-28 18:42:10,199 INFO L160 LiptonReduction]: Total number of compositions: 295 [2021-04-28 18:42:10,205 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 49476 [2021-04-28 18:42:10,228 INFO L129 PetriNetUnfolder]: 0/60 cut-off events. [2021-04-28 18:42:10,228 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 18:42:10,228 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 18:42:10,229 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1] [2021-04-28 18:42:10,229 INFO L428 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 18:42:10,235 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 18:42:10,236 INFO L82 PathProgramCache]: Analyzing trace with hash 1387138, now seen corresponding path program 1 times [2021-04-28 18:42:10,246 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 18:42:10,247 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [451911953] [2021-04-28 18:42:10,247 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 18:42:10,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 18:42:10,489 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 18:42:10,490 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 18:42:10,498 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 18:42:10,499 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [451911953] [2021-04-28 18:42:10,500 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 18:42:10,500 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-04-28 18:42:10,501 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1701007456] [2021-04-28 18:42:10,511 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-04-28 18:42:10,511 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 18:42:10,526 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-04-28 18:42:10,528 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-04-28 18:42:10,531 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 313 out of 412 [2021-04-28 18:42:10,538 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 155 places, 143 transitions, 298 flow. Second operand has 3 states, 3 states have (on average 313.6666666666667) internal successors, (941), 3 states have internal predecessors, (941), 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 18:42:10,538 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 18:42:10,538 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 313 of 412 [2021-04-28 18:42:10,540 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 18:42:10,837 INFO L129 PetriNetUnfolder]: 133/850 cut-off events. [2021-04-28 18:42:10,837 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 18:42:10,844 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1086 conditions, 850 events. 133/850 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 148. Compared 7672 event pairs, 110 based on Foata normal form. 69/344 useless extension candidates. Maximal degree in co-relation 1001. Up to 153 conditions per place. [2021-04-28 18:42:10,851 INFO L132 encePairwiseOnDemand]: 389/412 looper letters, 11 selfloop transitions, 2 changer transitions 59/144 dead transitions. [2021-04-28 18:42:10,851 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 154 places, 144 transitions, 360 flow [2021-04-28 18:42:10,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-04-28 18:42:10,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-04-28 18:42:10,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 976 transitions. [2021-04-28 18:42:10,873 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7896440129449838 [2021-04-28 18:42:10,874 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 976 transitions. [2021-04-28 18:42:10,875 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 976 transitions. [2021-04-28 18:42:10,879 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 18:42:10,882 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 976 transitions. [2021-04-28 18:42:10,889 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 325.3333333333333) internal successors, (976), 3 states have internal predecessors, (976), 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 18:42:10,900 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 412.0) internal successors, (1648), 4 states have internal predecessors, (1648), 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 18:42:10,902 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 412.0) internal successors, (1648), 4 states have internal predecessors, (1648), 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 18:42:10,904 INFO L185 Difference]: Start difference. First operand has 155 places, 143 transitions, 298 flow. Second operand 3 states and 976 transitions. [2021-04-28 18:42:10,905 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 154 places, 144 transitions, 360 flow [2021-04-28 18:42:10,910 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 150 places, 144 transitions, 356 flow, removed 0 selfloop flow, removed 4 redundant places. [2021-04-28 18:42:10,913 INFO L241 Difference]: Finished difference. Result has 150 places, 80 transitions, 172 flow [2021-04-28 18:42:10,916 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=412, PETRI_DIFFERENCE_MINUEND_FLOW=286, PETRI_DIFFERENCE_MINUEND_PLACES=148, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=139, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=137, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=172, PETRI_PLACES=150, PETRI_TRANSITIONS=80} [2021-04-28 18:42:10,917 INFO L343 CegarLoopForPetriNet]: 155 programPoint places, -5 predicate places. [2021-04-28 18:42:10,917 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 18:42:10,918 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 150 places, 80 transitions, 172 flow [2021-04-28 18:42:10,918 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 150 places, 80 transitions, 172 flow [2021-04-28 18:42:10,919 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 91 places, 80 transitions, 172 flow [2021-04-28 18:42:10,930 INFO L129 PetriNetUnfolder]: 0/80 cut-off events. [2021-04-28 18:42:10,931 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 18:42:10,931 INFO L84 FinitePrefix]: Finished finitePrefix Result has 92 conditions, 80 events. 0/80 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 31. Compared 374 event pairs, 0 based on Foata normal form. 0/29 useless extension candidates. Maximal degree in co-relation 0. Up to 2 conditions per place. [2021-04-28 18:42:10,934 INFO L146 LiptonReduction]: Number of co-enabled transitions 3200 [2021-04-28 18:42:11,150 INFO L158 LiptonReduction]: Checked pairs total: 4310 [2021-04-28 18:42:11,151 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 18:42:11,151 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 234 [2021-04-28 18:42:11,154 INFO L480 AbstractCegarLoop]: Abstraction has has 91 places, 80 transitions, 172 flow [2021-04-28 18:42:11,155 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 313.6666666666667) internal successors, (941), 3 states have internal predecessors, (941), 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 18:42:11,155 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 18:42:11,155 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 18:42:11,156 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-04-28 18:42:11,156 INFO L428 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 18:42:11,156 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 18:42:11,157 INFO L82 PathProgramCache]: Analyzing trace with hash 910418150, now seen corresponding path program 1 times [2021-04-28 18:42:11,157 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 18:42:11,157 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1628574307] [2021-04-28 18:42:11,157 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 18:42:11,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 18:42:11,348 INFO L142 QuantifierPusher]: treesize reduction 3, result has 87.5 percent of original size [2021-04-28 18:42:11,349 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-28 18:42:11,365 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 18:42:11,365 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1628574307] [2021-04-28 18:42:11,365 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 18:42:11,366 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-04-28 18:42:11,366 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1525936416] [2021-04-28 18:42:11,367 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-04-28 18:42:11,369 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 18:42:11,370 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-04-28 18:42:11,371 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-04-28 18:42:11,372 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 238 out of 412 [2021-04-28 18:42:11,374 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 91 places, 80 transitions, 172 flow. Second operand has 3 states, 3 states have (on average 238.66666666666666) internal successors, (716), 3 states have internal predecessors, (716), 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 18:42:11,375 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 18:42:11,375 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 238 of 412 [2021-04-28 18:42:11,375 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 18:42:14,205 INFO L129 PetriNetUnfolder]: 6231/16243 cut-off events. [2021-04-28 18:42:14,205 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 18:42:14,285 INFO L84 FinitePrefix]: Finished finitePrefix Result has 25259 conditions, 16243 events. 6231/16243 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 2257. Compared 212871 event pairs, 2173 based on Foata normal form. 0/10352 useless extension candidates. Maximal degree in co-relation 25250. Up to 5143 conditions per place. [2021-04-28 18:42:14,307 INFO L132 encePairwiseOnDemand]: 386/412 looper letters, 8 selfloop transitions, 8 changer transitions 52/112 dead transitions. [2021-04-28 18:42:14,307 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 93 places, 112 transitions, 372 flow [2021-04-28 18:42:14,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-04-28 18:42:14,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-04-28 18:42:14,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 781 transitions. [2021-04-28 18:42:14,312 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6318770226537217 [2021-04-28 18:42:14,312 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 781 transitions. [2021-04-28 18:42:14,312 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 781 transitions. [2021-04-28 18:42:14,313 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 18:42:14,313 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 781 transitions. [2021-04-28 18:42:14,316 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 260.3333333333333) internal successors, (781), 3 states have internal predecessors, (781), 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 18:42:14,319 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 412.0) internal successors, (1648), 4 states have internal predecessors, (1648), 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 18:42:14,321 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 412.0) internal successors, (1648), 4 states have internal predecessors, (1648), 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 18:42:14,321 INFO L185 Difference]: Start difference. First operand has 91 places, 80 transitions, 172 flow. Second operand 3 states and 781 transitions. [2021-04-28 18:42:14,321 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 93 places, 112 transitions, 372 flow [2021-04-28 18:42:14,323 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 91 places, 112 transitions, 368 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-04-28 18:42:14,325 INFO L241 Difference]: Finished difference. Result has 93 places, 60 transitions, 176 flow [2021-04-28 18:42:14,325 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=412, PETRI_DIFFERENCE_MINUEND_FLOW=168, PETRI_DIFFERENCE_MINUEND_PLACES=89, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=80, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=72, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=176, PETRI_PLACES=93, PETRI_TRANSITIONS=60} [2021-04-28 18:42:14,326 INFO L343 CegarLoopForPetriNet]: 155 programPoint places, -62 predicate places. [2021-04-28 18:42:14,326 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 18:42:14,327 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 93 places, 60 transitions, 176 flow [2021-04-28 18:42:14,327 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 93 places, 60 transitions, 176 flow [2021-04-28 18:42:14,328 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 66 places, 60 transitions, 176 flow [2021-04-28 18:42:14,464 INFO L129 PetriNetUnfolder]: 276/956 cut-off events. [2021-04-28 18:42:14,464 INFO L130 PetriNetUnfolder]: For 101/119 co-relation queries the response was YES. [2021-04-28 18:42:14,470 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1616 conditions, 956 events. 276/956 cut-off events. For 101/119 co-relation queries the response was YES. Maximal size of possible extension queue 118. Compared 8099 event pairs, 123 based on Foata normal form. 0/680 useless extension candidates. Maximal degree in co-relation 1607. Up to 325 conditions per place. [2021-04-28 18:42:14,492 INFO L146 LiptonReduction]: Number of co-enabled transitions 2022 [2021-04-28 18:42:14,667 INFO L158 LiptonReduction]: Checked pairs total: 1350 [2021-04-28 18:42:14,668 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 18:42:14,668 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 342 [2021-04-28 18:42:14,674 INFO L480 AbstractCegarLoop]: Abstraction has has 66 places, 60 transitions, 176 flow [2021-04-28 18:42:14,675 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 238.66666666666666) internal successors, (716), 3 states have internal predecessors, (716), 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 18:42:14,676 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 18:42:14,676 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 18:42:14,676 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-04-28 18:42:14,676 INFO L428 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 18:42:14,677 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 18:42:14,677 INFO L82 PathProgramCache]: Analyzing trace with hash -1841810895, now seen corresponding path program 1 times [2021-04-28 18:42:14,678 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 18:42:14,678 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1112838817] [2021-04-28 18:42:14,678 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 18:42:14,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 18:42:14,833 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 18:42:14,834 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 18:42:14,842 INFO L142 QuantifierPusher]: treesize reduction 3, result has 87.5 percent of original size [2021-04-28 18:42:14,844 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-28 18:42:14,860 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 18:42:14,860 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1112838817] [2021-04-28 18:42:14,860 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 18:42:14,861 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-04-28 18:42:14,861 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [306852] [2021-04-28 18:42:14,861 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-04-28 18:42:14,861 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 18:42:14,862 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-04-28 18:42:14,862 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-04-28 18:42:14,865 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 238 out of 412 [2021-04-28 18:42:14,867 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 66 places, 60 transitions, 176 flow. Second operand has 4 states, 4 states have (on average 238.75) internal successors, (955), 4 states have internal predecessors, (955), 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 18:42:14,867 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 18:42:14,867 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 238 of 412 [2021-04-28 18:42:14,867 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 18:42:15,042 INFO L129 PetriNetUnfolder]: 222/805 cut-off events. [2021-04-28 18:42:15,042 INFO L130 PetriNetUnfolder]: For 121/587 co-relation queries the response was YES. [2021-04-28 18:42:15,047 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1723 conditions, 805 events. 222/805 cut-off events. For 121/587 co-relation queries the response was YES. Maximal size of possible extension queue 98. Compared 6364 event pairs, 21 based on Foata normal form. 4/575 useless extension candidates. Maximal degree in co-relation 1712. Up to 265 conditions per place. [2021-04-28 18:42:15,053 INFO L132 encePairwiseOnDemand]: 403/412 looper letters, 17 selfloop transitions, 9 changer transitions 0/70 dead transitions. [2021-04-28 18:42:15,054 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 69 places, 70 transitions, 278 flow [2021-04-28 18:42:15,054 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-04-28 18:42:15,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-04-28 18:42:15,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 973 transitions. [2021-04-28 18:42:15,058 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5904126213592233 [2021-04-28 18:42:15,058 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 973 transitions. [2021-04-28 18:42:15,058 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 973 transitions. [2021-04-28 18:42:15,059 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 18:42:15,059 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 973 transitions. [2021-04-28 18:42:15,062 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 243.25) internal successors, (973), 4 states have internal predecessors, (973), 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 18:42:15,067 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 412.0) internal successors, (2060), 5 states have internal predecessors, (2060), 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 18:42:15,069 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 412.0) internal successors, (2060), 5 states have internal predecessors, (2060), 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 18:42:15,069 INFO L185 Difference]: Start difference. First operand has 66 places, 60 transitions, 176 flow. Second operand 4 states and 973 transitions. [2021-04-28 18:42:15,069 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 69 places, 70 transitions, 278 flow [2021-04-28 18:42:15,074 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 67 places, 70 transitions, 252 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-04-28 18:42:15,076 INFO L241 Difference]: Finished difference. Result has 70 places, 65 transitions, 228 flow [2021-04-28 18:42:15,077 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=412, PETRI_DIFFERENCE_MINUEND_FLOW=160, PETRI_DIFFERENCE_MINUEND_PLACES=64, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=60, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=51, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=228, PETRI_PLACES=70, PETRI_TRANSITIONS=65} [2021-04-28 18:42:15,077 INFO L343 CegarLoopForPetriNet]: 155 programPoint places, -85 predicate places. [2021-04-28 18:42:15,077 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 18:42:15,078 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 70 places, 65 transitions, 228 flow [2021-04-28 18:42:15,079 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 70 places, 65 transitions, 228 flow [2021-04-28 18:42:15,080 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 70 places, 65 transitions, 228 flow [2021-04-28 18:42:15,196 INFO L129 PetriNetUnfolder]: 222/813 cut-off events. [2021-04-28 18:42:15,196 INFO L130 PetriNetUnfolder]: For 315/388 co-relation queries the response was YES. [2021-04-28 18:42:15,201 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1569 conditions, 813 events. 222/813 cut-off events. For 315/388 co-relation queries the response was YES. Maximal size of possible extension queue 96. Compared 6587 event pairs, 59 based on Foata normal form. 0/576 useless extension candidates. Maximal degree in co-relation 1557. Up to 265 conditions per place. [2021-04-28 18:42:15,223 INFO L146 LiptonReduction]: Number of co-enabled transitions 2232 [2021-04-28 18:42:15,249 INFO L158 LiptonReduction]: Checked pairs total: 1481 [2021-04-28 18:42:15,249 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 18:42:15,249 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 172 [2021-04-28 18:42:15,261 INFO L480 AbstractCegarLoop]: Abstraction has has 70 places, 65 transitions, 228 flow [2021-04-28 18:42:15,262 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 238.75) internal successors, (955), 4 states have internal predecessors, (955), 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 18:42:15,262 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 18:42:15,263 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 18:42:15,263 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-04-28 18:42:15,263 INFO L428 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 18:42:15,263 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 18:42:15,263 INFO L82 PathProgramCache]: Analyzing trace with hash -1354904572, now seen corresponding path program 1 times [2021-04-28 18:42:15,264 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 18:42:15,264 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2022831446] [2021-04-28 18:42:15,265 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 18:42:15,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 18:42:15,407 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 18:42:15,408 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 18:42:15,415 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 18:42:15,415 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2022831446] [2021-04-28 18:42:15,415 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 18:42:15,415 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-04-28 18:42:15,416 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [706855475] [2021-04-28 18:42:15,419 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-04-28 18:42:15,419 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 18:42:15,420 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-04-28 18:42:15,420 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-04-28 18:42:15,424 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 315 out of 412 [2021-04-28 18:42:15,426 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 70 places, 65 transitions, 228 flow. Second operand has 3 states, 3 states have (on average 315.6666666666667) internal successors, (947), 3 states have internal predecessors, (947), 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 18:42:15,427 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 18:42:15,427 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 315 of 412 [2021-04-28 18:42:15,427 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 18:42:15,548 INFO L129 PetriNetUnfolder]: 196/695 cut-off events. [2021-04-28 18:42:15,549 INFO L130 PetriNetUnfolder]: For 431/511 co-relation queries the response was YES. [2021-04-28 18:42:15,553 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1486 conditions, 695 events. 196/695 cut-off events. For 431/511 co-relation queries the response was YES. Maximal size of possible extension queue 96. Compared 5243 event pairs, 55 based on Foata normal form. 6/503 useless extension candidates. Maximal degree in co-relation 1472. Up to 233 conditions per place. [2021-04-28 18:42:15,559 INFO L132 encePairwiseOnDemand]: 408/412 looper letters, 7 selfloop transitions, 6 changer transitions 0/70 dead transitions. [2021-04-28 18:42:15,560 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 72 places, 70 transitions, 282 flow [2021-04-28 18:42:15,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-04-28 18:42:15,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-04-28 18:42:15,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 952 transitions. [2021-04-28 18:42:15,564 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7702265372168284 [2021-04-28 18:42:15,564 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 952 transitions. [2021-04-28 18:42:15,564 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 952 transitions. [2021-04-28 18:42:15,565 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 18:42:15,565 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 952 transitions. [2021-04-28 18:42:15,568 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 317.3333333333333) internal successors, (952), 3 states have internal predecessors, (952), 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 18:42:15,572 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 412.0) internal successors, (1648), 4 states have internal predecessors, (1648), 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 18:42:15,573 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 412.0) internal successors, (1648), 4 states have internal predecessors, (1648), 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 18:42:15,574 INFO L185 Difference]: Start difference. First operand has 70 places, 65 transitions, 228 flow. Second operand 3 states and 952 transitions. [2021-04-28 18:42:15,574 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 72 places, 70 transitions, 282 flow [2021-04-28 18:42:15,579 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 71 places, 70 transitions, 279 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-04-28 18:42:15,585 INFO L241 Difference]: Finished difference. Result has 72 places, 70 transitions, 283 flow [2021-04-28 18:42:15,585 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=412, PETRI_DIFFERENCE_MINUEND_FLOW=225, PETRI_DIFFERENCE_MINUEND_PLACES=69, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=65, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=59, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=283, PETRI_PLACES=72, PETRI_TRANSITIONS=70} [2021-04-28 18:42:15,585 INFO L343 CegarLoopForPetriNet]: 155 programPoint places, -83 predicate places. [2021-04-28 18:42:15,585 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 18:42:15,586 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 72 places, 70 transitions, 283 flow [2021-04-28 18:42:15,586 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 72 places, 70 transitions, 283 flow [2021-04-28 18:42:15,587 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 72 places, 70 transitions, 283 flow [2021-04-28 18:42:15,691 INFO L129 PetriNetUnfolder]: 196/747 cut-off events. [2021-04-28 18:42:15,692 INFO L130 PetriNetUnfolder]: For 419/483 co-relation queries the response was YES. [2021-04-28 18:42:15,696 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1550 conditions, 747 events. 196/747 cut-off events. For 419/483 co-relation queries the response was YES. Maximal size of possible extension queue 85. Compared 5990 event pairs, 37 based on Foata normal form. 0/524 useless extension candidates. Maximal degree in co-relation 1536. Up to 233 conditions per place. [2021-04-28 18:42:15,716 INFO L146 LiptonReduction]: Number of co-enabled transitions 2454 [2021-04-28 18:42:15,730 INFO L158 LiptonReduction]: Checked pairs total: 1690 [2021-04-28 18:42:15,730 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 18:42:15,730 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 145 [2021-04-28 18:42:15,735 INFO L480 AbstractCegarLoop]: Abstraction has has 72 places, 70 transitions, 283 flow [2021-04-28 18:42:15,736 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 315.6666666666667) internal successors, (947), 3 states have internal predecessors, (947), 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 18:42:15,736 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 18:42:15,736 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 18:42:15,737 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-04-28 18:42:15,737 INFO L428 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 18:42:15,737 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 18:42:15,737 INFO L82 PathProgramCache]: Analyzing trace with hash 981710465, now seen corresponding path program 1 times [2021-04-28 18:42:15,737 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 18:42:15,738 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1377709407] [2021-04-28 18:42:15,738 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 18:42:15,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 18:42:15,822 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 18:42:15,823 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 18:42:15,826 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 18:42:15,827 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1377709407] [2021-04-28 18:42:15,827 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 18:42:15,827 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-04-28 18:42:15,827 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [451006651] [2021-04-28 18:42:15,828 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-04-28 18:42:15,828 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 18:42:15,839 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-04-28 18:42:15,839 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-04-28 18:42:15,841 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 320 out of 412 [2021-04-28 18:42:15,842 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 72 places, 70 transitions, 283 flow. Second operand has 3 states, 3 states have (on average 320.6666666666667) internal successors, (962), 3 states have internal predecessors, (962), 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 18:42:15,843 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 18:42:15,843 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 320 of 412 [2021-04-28 18:42:15,843 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 18:42:15,951 INFO L129 PetriNetUnfolder]: 173/646 cut-off events. [2021-04-28 18:42:15,951 INFO L130 PetriNetUnfolder]: For 499/578 co-relation queries the response was YES. [2021-04-28 18:42:15,956 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1472 conditions, 646 events. 173/646 cut-off events. For 499/578 co-relation queries the response was YES. Maximal size of possible extension queue 90. Compared 4845 event pairs, 38 based on Foata normal form. 6/463 useless extension candidates. Maximal degree in co-relation 1456. Up to 210 conditions per place. [2021-04-28 18:42:15,961 INFO L132 encePairwiseOnDemand]: 408/412 looper letters, 7 selfloop transitions, 7 changer transitions 0/76 dead transitions. [2021-04-28 18:42:15,961 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 74 places, 76 transitions, 347 flow [2021-04-28 18:42:15,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-04-28 18:42:15,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-04-28 18:42:15,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 967 transitions. [2021-04-28 18:42:15,965 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7823624595469255 [2021-04-28 18:42:15,965 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 967 transitions. [2021-04-28 18:42:15,965 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 967 transitions. [2021-04-28 18:42:15,966 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 18:42:15,967 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 967 transitions. [2021-04-28 18:42:15,969 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 322.3333333333333) internal successors, (967), 3 states have internal predecessors, (967), 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 18:42:15,973 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 412.0) internal successors, (1648), 4 states have internal predecessors, (1648), 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 18:42:15,974 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 412.0) internal successors, (1648), 4 states have internal predecessors, (1648), 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 18:42:15,975 INFO L185 Difference]: Start difference. First operand has 72 places, 70 transitions, 283 flow. Second operand 3 states and 967 transitions. [2021-04-28 18:42:15,975 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 74 places, 76 transitions, 347 flow [2021-04-28 18:42:15,978 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 73 places, 76 transitions, 341 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-04-28 18:42:15,979 INFO L241 Difference]: Finished difference. Result has 74 places, 76 transitions, 348 flow [2021-04-28 18:42:15,980 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=412, PETRI_DIFFERENCE_MINUEND_FLOW=277, PETRI_DIFFERENCE_MINUEND_PLACES=71, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=70, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=63, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=348, PETRI_PLACES=74, PETRI_TRANSITIONS=76} [2021-04-28 18:42:15,980 INFO L343 CegarLoopForPetriNet]: 155 programPoint places, -81 predicate places. [2021-04-28 18:42:15,980 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 18:42:15,980 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 74 places, 76 transitions, 348 flow [2021-04-28 18:42:15,980 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 74 places, 76 transitions, 348 flow [2021-04-28 18:42:15,981 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 74 places, 76 transitions, 348 flow [2021-04-28 18:42:16,084 INFO L129 PetriNetUnfolder]: 173/666 cut-off events. [2021-04-28 18:42:16,085 INFO L130 PetriNetUnfolder]: For 464/541 co-relation queries the response was YES. [2021-04-28 18:42:16,089 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1500 conditions, 666 events. 173/666 cut-off events. For 464/541 co-relation queries the response was YES. Maximal size of possible extension queue 82. Compared 5112 event pairs, 35 based on Foata normal form. 0/467 useless extension candidates. Maximal degree in co-relation 1484. Up to 210 conditions per place. [2021-04-28 18:42:16,104 INFO L146 LiptonReduction]: Number of co-enabled transitions 2718 [2021-04-28 18:42:16,148 INFO L158 LiptonReduction]: Checked pairs total: 1798 [2021-04-28 18:42:16,148 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 18:42:16,149 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 169 [2021-04-28 18:42:16,151 INFO L480 AbstractCegarLoop]: Abstraction has has 74 places, 76 transitions, 348 flow [2021-04-28 18:42:16,152 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 320.6666666666667) internal successors, (962), 3 states have internal predecessors, (962), 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 18:42:16,152 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 18:42:16,152 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 18:42:16,152 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-04-28 18:42:16,152 INFO L428 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 18:42:16,153 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 18:42:16,153 INFO L82 PathProgramCache]: Analyzing trace with hash 1857389179, now seen corresponding path program 1 times [2021-04-28 18:42:16,153 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 18:42:16,153 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2125570412] [2021-04-28 18:42:16,154 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 18:42:16,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 18:42:16,196 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 18:42:16,197 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 18:42:16,197 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 18:42:16,198 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 18:42:16,204 INFO L142 QuantifierPusher]: treesize reduction 3, result has 87.5 percent of original size [2021-04-28 18:42:16,207 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-28 18:42:16,219 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 18:42:16,220 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2125570412] [2021-04-28 18:42:16,221 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 18:42:16,221 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-04-28 18:42:16,221 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2132980159] [2021-04-28 18:42:16,222 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-04-28 18:42:16,222 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 18:42:16,222 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-04-28 18:42:16,222 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-04-28 18:42:16,225 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 238 out of 412 [2021-04-28 18:42:16,226 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 74 places, 76 transitions, 348 flow. Second operand has 4 states, 4 states have (on average 239.25) internal successors, (957), 4 states have internal predecessors, (957), 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 18:42:16,227 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 18:42:16,227 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 238 of 412 [2021-04-28 18:42:16,227 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 18:42:16,398 INFO L129 PetriNetUnfolder]: 171/744 cut-off events. [2021-04-28 18:42:16,398 INFO L130 PetriNetUnfolder]: For 587/960 co-relation queries the response was YES. [2021-04-28 18:42:16,403 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1931 conditions, 744 events. 171/744 cut-off events. For 587/960 co-relation queries the response was YES. Maximal size of possible extension queue 96. Compared 6038 event pairs, 36 based on Foata normal form. 17/533 useless extension candidates. Maximal degree in co-relation 1913. Up to 222 conditions per place. [2021-04-28 18:42:16,408 INFO L132 encePairwiseOnDemand]: 403/412 looper letters, 15 selfloop transitions, 22 changer transitions 4/85 dead transitions. [2021-04-28 18:42:16,408 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 77 places, 85 transitions, 492 flow [2021-04-28 18:42:16,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-04-28 18:42:16,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-04-28 18:42:16,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 974 transitions. [2021-04-28 18:42:16,413 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5910194174757282 [2021-04-28 18:42:16,413 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 974 transitions. [2021-04-28 18:42:16,413 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 974 transitions. [2021-04-28 18:42:16,414 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 18:42:16,414 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 974 transitions. [2021-04-28 18:42:16,417 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 243.5) internal successors, (974), 4 states have internal predecessors, (974), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 18:42:16,421 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 412.0) internal successors, (2060), 5 states have internal predecessors, (2060), 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 18:42:16,422 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 412.0) internal successors, (2060), 5 states have internal predecessors, (2060), 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 18:42:16,422 INFO L185 Difference]: Start difference. First operand has 74 places, 76 transitions, 348 flow. Second operand 4 states and 974 transitions. [2021-04-28 18:42:16,423 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 77 places, 85 transitions, 492 flow [2021-04-28 18:42:16,426 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 76 places, 85 transitions, 485 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-04-28 18:42:16,428 INFO L241 Difference]: Finished difference. Result has 79 places, 79 transitions, 464 flow [2021-04-28 18:42:16,428 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=412, PETRI_DIFFERENCE_MINUEND_FLOW=341, PETRI_DIFFERENCE_MINUEND_PLACES=73, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=76, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=18, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=54, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=464, PETRI_PLACES=79, PETRI_TRANSITIONS=79} [2021-04-28 18:42:16,428 INFO L343 CegarLoopForPetriNet]: 155 programPoint places, -76 predicate places. [2021-04-28 18:42:16,429 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 18:42:16,429 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 79 places, 79 transitions, 464 flow [2021-04-28 18:42:16,429 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 79 places, 79 transitions, 464 flow [2021-04-28 18:42:16,430 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 79 places, 79 transitions, 464 flow [2021-04-28 18:42:16,542 INFO L129 PetriNetUnfolder]: 160/756 cut-off events. [2021-04-28 18:42:16,542 INFO L130 PetriNetUnfolder]: For 1068/1211 co-relation queries the response was YES. [2021-04-28 18:42:16,547 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1867 conditions, 756 events. 160/756 cut-off events. For 1068/1211 co-relation queries the response was YES. Maximal size of possible extension queue 93. Compared 6458 event pairs, 36 based on Foata normal form. 2/517 useless extension candidates. Maximal degree in co-relation 1847. Up to 214 conditions per place. [2021-04-28 18:42:16,564 INFO L146 LiptonReduction]: Number of co-enabled transitions 2852 [2021-04-28 18:42:16,972 INFO L158 LiptonReduction]: Checked pairs total: 1957 [2021-04-28 18:42:16,973 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 18:42:16,973 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 544 [2021-04-28 18:42:16,975 INFO L480 AbstractCegarLoop]: Abstraction has has 79 places, 79 transitions, 464 flow [2021-04-28 18:42:16,976 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 239.25) internal successors, (957), 4 states have internal predecessors, (957), 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 18:42:16,976 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 18:42:16,976 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 18:42:16,976 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-04-28 18:42:16,976 INFO L428 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 18:42:16,977 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 18:42:16,977 INFO L82 PathProgramCache]: Analyzing trace with hash -1716483422, now seen corresponding path program 1 times [2021-04-28 18:42:16,977 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 18:42:16,977 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2044051891] [2021-04-28 18:42:16,977 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 18:42:17,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 18:42:17,024 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 18:42:17,025 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 18:42:17,029 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 18:42:17,029 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-28 18:42:17,037 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 18:42:17,038 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 18:42:17,038 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 18:42:17,038 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2044051891] [2021-04-28 18:42:17,039 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 18:42:17,039 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-04-28 18:42:17,039 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [544829162] [2021-04-28 18:42:17,039 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-04-28 18:42:17,039 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 18:42:17,040 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-04-28 18:42:17,040 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-04-28 18:42:17,042 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 316 out of 412 [2021-04-28 18:42:17,044 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 79 places, 79 transitions, 464 flow. Second operand has 4 states, 4 states have (on average 316.75) internal successors, (1267), 4 states have internal predecessors, (1267), 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 18:42:17,044 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 18:42:17,044 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 316 of 412 [2021-04-28 18:42:17,044 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 18:42:29,879 INFO L129 PetriNetUnfolder]: 72771/107843 cut-off events. [2021-04-28 18:42:29,879 INFO L130 PetriNetUnfolder]: For 8898/9487 co-relation queries the response was YES. [2021-04-28 18:42:30,355 INFO L84 FinitePrefix]: Finished finitePrefix Result has 219654 conditions, 107843 events. 72771/107843 cut-off events. For 8898/9487 co-relation queries the response was YES. Maximal size of possible extension queue 16074. Compared 1038824 event pairs, 38433 based on Foata normal form. 2209/33678 useless extension candidates. Maximal degree in co-relation 219632. Up to 69934 conditions per place. [2021-04-28 18:42:30,789 INFO L132 encePairwiseOnDemand]: 392/412 looper letters, 33 selfloop transitions, 32 changer transitions 0/122 dead transitions. [2021-04-28 18:42:30,789 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 83 places, 122 transitions, 680 flow [2021-04-28 18:42:30,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-04-28 18:42:30,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-04-28 18:42:30,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1646 transitions. [2021-04-28 18:42:30,796 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7990291262135922 [2021-04-28 18:42:30,796 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 1646 transitions. [2021-04-28 18:42:30,796 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 1646 transitions. [2021-04-28 18:42:30,798 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 18:42:30,798 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 1646 transitions. [2021-04-28 18:42:30,803 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 329.2) internal successors, (1646), 5 states have internal predecessors, (1646), 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 18:42:30,808 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 412.0) internal successors, (2472), 6 states have internal predecessors, (2472), 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 18:42:30,809 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 412.0) internal successors, (2472), 6 states have internal predecessors, (2472), 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 18:42:30,809 INFO L185 Difference]: Start difference. First operand has 79 places, 79 transitions, 464 flow. Second operand 5 states and 1646 transitions. [2021-04-28 18:42:30,809 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 83 places, 122 transitions, 680 flow [2021-04-28 18:42:30,836 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 83 places, 122 transitions, 674 flow, removed 3 selfloop flow, removed 0 redundant places. [2021-04-28 18:42:30,840 INFO L241 Difference]: Finished difference. Result has 86 places, 109 transitions, 696 flow [2021-04-28 18:42:30,841 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=412, PETRI_DIFFERENCE_MINUEND_FLOW=458, PETRI_DIFFERENCE_MINUEND_PLACES=79, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=79, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=60, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=696, PETRI_PLACES=86, PETRI_TRANSITIONS=109} [2021-04-28 18:42:30,841 INFO L343 CegarLoopForPetriNet]: 155 programPoint places, -69 predicate places. [2021-04-28 18:42:30,841 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 18:42:30,842 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 86 places, 109 transitions, 696 flow [2021-04-28 18:42:30,842 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 86 places, 109 transitions, 696 flow [2021-04-28 18:42:30,843 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 86 places, 109 transitions, 696 flow [2021-04-28 18:42:40,664 INFO L129 PetriNetUnfolder]: 62877/94718 cut-off events. [2021-04-28 18:42:40,664 INFO L130 PetriNetUnfolder]: For 25828/56515 co-relation queries the response was YES. [2021-04-28 18:42:41,432 INFO L84 FinitePrefix]: Finished finitePrefix Result has 273538 conditions, 94718 events. 62877/94718 cut-off events. For 25828/56515 co-relation queries the response was YES. Maximal size of possible extension queue 14977. Compared 957076 event pairs, 35630 based on Foata normal form. 55/29595 useless extension candidates. Maximal degree in co-relation 273513. Up to 89113 conditions per place. [2021-04-28 18:42:42,351 INFO L146 LiptonReduction]: Number of co-enabled transitions 4518 [2021-04-28 18:42:59,367 INFO L158 LiptonReduction]: Checked pairs total: 3535 [2021-04-28 18:42:59,367 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 18:42:59,368 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 28526 [2021-04-28 18:42:59,369 INFO L480 AbstractCegarLoop]: Abstraction has has 86 places, 109 transitions, 696 flow [2021-04-28 18:42:59,370 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 316.75) internal successors, (1267), 4 states have internal predecessors, (1267), 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 18:42:59,370 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 18:42:59,370 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 18:42:59,370 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-04-28 18:42:59,370 INFO L428 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 18:42:59,371 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 18:42:59,371 INFO L82 PathProgramCache]: Analyzing trace with hash -217299001, now seen corresponding path program 1 times [2021-04-28 18:42:59,371 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 18:42:59,371 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [697792699] [2021-04-28 18:42:59,371 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 18:42:59,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 18:42:59,426 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 18:42:59,431 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 18:42:59,432 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 18:42:59,432 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 18:42:59,437 INFO L142 QuantifierPusher]: treesize reduction 3, result has 87.5 percent of original size [2021-04-28 18:42:59,438 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-28 18:42:59,456 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 18:42:59,457 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [697792699] [2021-04-28 18:42:59,457 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 18:42:59,457 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-04-28 18:42:59,457 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [459767077] [2021-04-28 18:42:59,458 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-04-28 18:42:59,458 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 18:42:59,458 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-04-28 18:42:59,458 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-04-28 18:42:59,461 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 238 out of 412 [2021-04-28 18:42:59,462 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 86 places, 109 transitions, 696 flow. Second operand has 4 states, 4 states have (on average 239.25) internal successors, (957), 4 states have internal predecessors, (957), 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 18:42:59,462 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 18:42:59,462 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 238 of 412 [2021-04-28 18:42:59,462 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 18:43:15,507 INFO L129 PetriNetUnfolder]: 96200/142108 cut-off events. [2021-04-28 18:43:15,508 INFO L130 PetriNetUnfolder]: For 41272/182105 co-relation queries the response was YES. [2021-04-28 18:43:16,457 INFO L84 FinitePrefix]: Finished finitePrefix Result has 409581 conditions, 142108 events. 96200/142108 cut-off events. For 41272/182105 co-relation queries the response was YES. Maximal size of possible extension queue 20586. Compared 1400521 event pairs, 55626 based on Foata normal form. 726/43663 useless extension candidates. Maximal degree in co-relation 409554. Up to 135067 conditions per place. [2021-04-28 18:43:16,961 INFO L132 encePairwiseOnDemand]: 403/412 looper letters, 27 selfloop transitions, 22 changer transitions 0/123 dead transitions. [2021-04-28 18:43:16,961 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 89 places, 123 transitions, 925 flow [2021-04-28 18:43:16,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-04-28 18:43:16,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-04-28 18:43:16,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 974 transitions. [2021-04-28 18:43:16,966 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5910194174757282 [2021-04-28 18:43:16,966 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 974 transitions. [2021-04-28 18:43:16,966 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 974 transitions. [2021-04-28 18:43:16,967 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 18:43:16,967 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 974 transitions. [2021-04-28 18:43:16,970 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 243.5) internal successors, (974), 4 states have internal predecessors, (974), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 18:43:16,974 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 412.0) internal successors, (2060), 5 states have internal predecessors, (2060), 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 18:43:16,975 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 412.0) internal successors, (2060), 5 states have internal predecessors, (2060), 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 18:43:16,975 INFO L185 Difference]: Start difference. First operand has 86 places, 109 transitions, 696 flow. Second operand 4 states and 974 transitions. [2021-04-28 18:43:16,975 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 89 places, 123 transitions, 925 flow [2021-04-28 18:43:17,149 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 89 places, 123 transitions, 925 flow, removed 0 selfloop flow, removed 0 redundant places. [2021-04-28 18:43:17,151 INFO L241 Difference]: Finished difference. Result has 92 places, 118 transitions, 906 flow [2021-04-28 18:43:17,151 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=412, PETRI_DIFFERENCE_MINUEND_FLOW=696, PETRI_DIFFERENCE_MINUEND_PLACES=86, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=109, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=13, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=87, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=906, PETRI_PLACES=92, PETRI_TRANSITIONS=118} [2021-04-28 18:43:17,152 INFO L343 CegarLoopForPetriNet]: 155 programPoint places, -63 predicate places. [2021-04-28 18:43:17,152 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 18:43:17,152 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 92 places, 118 transitions, 906 flow [2021-04-28 18:43:17,152 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 92 places, 118 transitions, 906 flow [2021-04-28 18:43:17,153 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 92 places, 118 transitions, 906 flow [2021-04-28 18:43:35,000 INFO L129 PetriNetUnfolder]: 101196/150243 cut-off events. [2021-04-28 18:43:35,001 INFO L130 PetriNetUnfolder]: For 37998/85251 co-relation queries the response was YES. [2021-04-28 18:43:35,757 INFO L84 FinitePrefix]: Finished finitePrefix Result has 433934 conditions, 150243 events. 101196/150243 cut-off events. For 37998/85251 co-relation queries the response was YES. Maximal size of possible extension queue 22287. Compared 1535839 event pairs, 58535 based on Foata normal form. 67/45614 useless extension candidates. Maximal degree in co-relation 433904. Up to 143095 conditions per place. [2021-04-28 18:43:37,434 INFO L146 LiptonReduction]: Number of co-enabled transitions 5186 [2021-04-28 18:43:52,627 INFO L158 LiptonReduction]: Checked pairs total: 3841 [2021-04-28 18:43:52,628 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 18:43:52,628 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 35476 [2021-04-28 18:43:52,629 INFO L480 AbstractCegarLoop]: Abstraction has has 92 places, 118 transitions, 906 flow [2021-04-28 18:43:52,630 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 239.25) internal successors, (957), 4 states have internal predecessors, (957), 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 18:43:52,630 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 18:43:52,630 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 18:43:52,630 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-04-28 18:43:52,630 INFO L428 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 18:43:52,630 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 18:43:52,631 INFO L82 PathProgramCache]: Analyzing trace with hash 40905249, now seen corresponding path program 1 times [2021-04-28 18:43:52,631 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 18:43:52,631 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [192033875] [2021-04-28 18:43:52,631 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 18:43:52,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 18:43:52,681 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 18:43:52,682 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 18:43:52,685 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 18:43:52,686 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 18:43:52,691 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 18:43:52,691 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-28 18:43:52,699 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 18:43:52,700 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 18:43:52,700 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 18:43:52,701 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [192033875] [2021-04-28 18:43:52,701 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 18:43:52,701 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-04-28 18:43:52,701 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [186442994] [2021-04-28 18:43:52,701 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-04-28 18:43:52,701 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 18:43:52,702 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-04-28 18:43:52,702 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-04-28 18:43:52,704 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 316 out of 412 [2021-04-28 18:43:52,706 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 92 places, 118 transitions, 906 flow. Second operand has 5 states, 5 states have (on average 316.8) internal successors, (1584), 5 states have internal predecessors, (1584), 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 18:43:52,706 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 18:43:52,706 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 316 of 412 [2021-04-28 18:43:52,706 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 18:44:19,125 INFO L129 PetriNetUnfolder]: 125096/191438 cut-off events. [2021-04-28 18:44:19,125 INFO L130 PetriNetUnfolder]: For 61409/582638 co-relation queries the response was YES. [2021-04-28 18:44:20,377 INFO L84 FinitePrefix]: Finished finitePrefix Result has 737368 conditions, 191438 events. 125096/191438 cut-off events. For 61409/582638 co-relation queries the response was YES. Maximal size of possible extension queue 29970. Compared 2009445 event pairs, 25727 based on Foata normal form. 3976/66682 useless extension candidates. Maximal degree in co-relation 737336. Up to 178621 conditions per place. [2021-04-28 18:44:20,849 INFO L132 encePairwiseOnDemand]: 392/412 looper letters, 34 selfloop transitions, 62 changer transitions 0/162 dead transitions. [2021-04-28 18:44:20,849 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 98 places, 162 transitions, 1343 flow [2021-04-28 18:44:20,849 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-04-28 18:44:20,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-04-28 18:44:20,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 2308 transitions. [2021-04-28 18:44:20,857 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8002773925104022 [2021-04-28 18:44:20,857 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 2308 transitions. [2021-04-28 18:44:20,857 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 2308 transitions. [2021-04-28 18:44:20,859 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 18:44:20,859 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 2308 transitions. [2021-04-28 18:44:20,865 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 329.7142857142857) internal successors, (2308), 7 states have internal predecessors, (2308), 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 18:44:20,872 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 412.0) internal successors, (3296), 8 states have internal predecessors, (3296), 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 18:44:20,873 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 412.0) internal successors, (3296), 8 states have internal predecessors, (3296), 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 18:44:20,873 INFO L185 Difference]: Start difference. First operand has 92 places, 118 transitions, 906 flow. Second operand 7 states and 2308 transitions. [2021-04-28 18:44:20,874 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 98 places, 162 transitions, 1343 flow [2021-04-28 18:44:21,360 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 98 places, 162 transitions, 1335 flow, removed 4 selfloop flow, removed 0 redundant places. [2021-04-28 18:44:21,363 INFO L241 Difference]: Finished difference. Result has 101 places, 148 transitions, 1328 flow [2021-04-28 18:44:21,364 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=412, PETRI_DIFFERENCE_MINUEND_FLOW=898, PETRI_DIFFERENCE_MINUEND_PLACES=92, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=118, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=32, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=69, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=1328, PETRI_PLACES=101, PETRI_TRANSITIONS=148} [2021-04-28 18:44:21,364 INFO L343 CegarLoopForPetriNet]: 155 programPoint places, -54 predicate places. [2021-04-28 18:44:21,364 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 18:44:21,364 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 101 places, 148 transitions, 1328 flow [2021-04-28 18:44:21,365 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 101 places, 148 transitions, 1328 flow [2021-04-28 18:44:21,366 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 101 places, 148 transitions, 1328 flow [2021-04-28 18:44:43,670 INFO L129 PetriNetUnfolder]: 112666/174661 cut-off events. [2021-04-28 18:44:43,671 INFO L130 PetriNetUnfolder]: For 180757/487557 co-relation queries the response was YES. [2021-04-28 18:44:45,124 INFO L84 FinitePrefix]: Finished finitePrefix Result has 831495 conditions, 174661 events. 112666/174661 cut-off events. For 180757/487557 co-relation queries the response was YES. Maximal size of possible extension queue 27836. Compared 1907441 event pairs, 24920 based on Foata normal form. 114/54473 useless extension candidates. Maximal degree in co-relation 831460. Up to 167254 conditions per place. [2021-04-28 18:44:47,000 INFO L146 LiptonReduction]: Number of co-enabled transitions 7166 [2021-04-28 18:45:16,375 INFO L158 LiptonReduction]: Checked pairs total: 7531 [2021-04-28 18:45:16,375 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 18:45:16,375 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 55011 [2021-04-28 18:45:16,377 INFO L480 AbstractCegarLoop]: Abstraction has has 101 places, 148 transitions, 1328 flow [2021-04-28 18:45:16,378 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 316.8) internal successors, (1584), 5 states have internal predecessors, (1584), 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 18:45:16,378 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 18:45:16,378 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 18:45:16,378 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-04-28 18:45:16,378 INFO L428 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 18:45:16,378 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 18:45:16,379 INFO L82 PathProgramCache]: Analyzing trace with hash 820843533, now seen corresponding path program 1 times [2021-04-28 18:45:16,379 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 18:45:16,379 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1639620318] [2021-04-28 18:45:16,379 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 18:45:16,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 18:45:16,434 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 18:45:16,435 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 18:45:16,436 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 18:45:16,436 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 18:45:16,440 INFO L142 QuantifierPusher]: treesize reduction 3, result has 87.5 percent of original size [2021-04-28 18:45:16,441 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-28 18:45:16,454 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 18:45:16,454 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1639620318] [2021-04-28 18:45:16,454 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 18:45:16,454 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-04-28 18:45:16,455 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1834612241] [2021-04-28 18:45:16,455 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-04-28 18:45:16,455 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 18:45:16,455 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-04-28 18:45:16,455 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-04-28 18:45:16,458 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 235 out of 412 [2021-04-28 18:45:16,459 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 101 places, 148 transitions, 1328 flow. Second operand has 4 states, 4 states have (on average 237.0) internal successors, (948), 4 states have internal predecessors, (948), 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 18:45:16,459 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 18:45:16,459 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 235 of 412 [2021-04-28 18:45:16,459 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 18:45:54,164 INFO L129 PetriNetUnfolder]: 161934/247821 cut-off events. [2021-04-28 18:45:54,164 INFO L130 PetriNetUnfolder]: For 288174/2109856 co-relation queries the response was YES. [2021-04-28 18:45:55,595 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1182564 conditions, 247821 events. 161934/247821 cut-off events. For 288174/2109856 co-relation queries the response was YES. Maximal size of possible extension queue 41886. Compared 2704120 event pairs, 37314 based on Foata normal form. 756/76594 useless extension candidates. Maximal degree in co-relation 1182527. Up to 238111 conditions per place. [2021-04-28 18:45:56,467 INFO L132 encePairwiseOnDemand]: 402/412 looper letters, 30 selfloop transitions, 45 changer transitions 0/178 dead transitions. [2021-04-28 18:45:56,467 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 105 places, 178 transitions, 1827 flow [2021-04-28 18:45:56,468 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-04-28 18:45:56,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-04-28 18:45:56,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1204 transitions. [2021-04-28 18:45:56,472 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5844660194174758 [2021-04-28 18:45:56,472 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 1204 transitions. [2021-04-28 18:45:56,472 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 1204 transitions. [2021-04-28 18:45:56,473 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 18:45:56,473 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 1204 transitions. [2021-04-28 18:45:56,477 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 240.8) internal successors, (1204), 5 states have internal predecessors, (1204), 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 18:45:56,481 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 412.0) internal successors, (2472), 6 states have internal predecessors, (2472), 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 18:45:56,482 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 412.0) internal successors, (2472), 6 states have internal predecessors, (2472), 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 18:45:56,482 INFO L185 Difference]: Start difference. First operand has 101 places, 148 transitions, 1328 flow. Second operand 5 states and 1204 transitions. [2021-04-28 18:45:56,482 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 105 places, 178 transitions, 1827 flow [2021-04-28 18:47:03,090 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 102 places, 178 transitions, 1661 flow, removed 57 selfloop flow, removed 3 redundant places. [2021-04-28 18:47:03,094 INFO L241 Difference]: Finished difference. Result has 105 places, 171 transitions, 1655 flow [2021-04-28 18:47:03,094 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=412, PETRI_DIFFERENCE_MINUEND_FLOW=1166, PETRI_DIFFERENCE_MINUEND_PLACES=98, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=148, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=24, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=113, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=1655, PETRI_PLACES=105, PETRI_TRANSITIONS=171} [2021-04-28 18:47:03,094 INFO L343 CegarLoopForPetriNet]: 155 programPoint places, -50 predicate places. [2021-04-28 18:47:03,095 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 18:47:03,095 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 105 places, 171 transitions, 1655 flow [2021-04-28 18:47:03,095 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 105 places, 171 transitions, 1655 flow [2021-04-28 18:47:03,097 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 105 places, 171 transitions, 1655 flow [2021-04-28 18:47:40,531 INFO L129 PetriNetUnfolder]: 160287/244889 cut-off events. [2021-04-28 18:47:40,532 INFO L130 PetriNetUnfolder]: For 317477/413262 co-relation queries the response was YES. [2021-04-28 18:47:42,136 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1102880 conditions, 244889 events. 160287/244889 cut-off events. For 317477/413262 co-relation queries the response was YES. Maximal size of possible extension queue 39647. Compared 2723653 event pairs, 36969 based on Foata normal form. 94/76388 useless extension candidates. Maximal degree in co-relation 1102842. Up to 210148 conditions per place. [2021-04-28 18:47:45,424 INFO L146 LiptonReduction]: Number of co-enabled transitions 9444