/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/mix023_rmo.oepc.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-6f4246e9f5583d222ebb38ff8175c901f3a528f0-6f4246e [2021-04-28 18:55:16,799 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-04-28 18:55:16,803 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-04-28 18:55:16,858 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-04-28 18:55:16,859 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-04-28 18:55:16,863 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-04-28 18:55:16,866 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-04-28 18:55:16,873 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-04-28 18:55:16,876 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-04-28 18:55:16,884 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-04-28 18:55:16,885 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-04-28 18:55:16,886 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-04-28 18:55:16,887 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-04-28 18:55:16,890 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-04-28 18:55:16,892 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-04-28 18:55:16,894 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-04-28 18:55:16,898 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-04-28 18:55:16,899 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-04-28 18:55:16,907 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-04-28 18:55:16,909 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-04-28 18:55:16,912 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-04-28 18:55:16,914 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-04-28 18:55:16,915 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-04-28 18:55:16,918 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-04-28 18:55:16,929 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-04-28 18:55:16,938 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-04-28 18:55:16,939 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-04-28 18:55:16,940 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-04-28 18:55:16,941 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-04-28 18:55:16,942 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-04-28 18:55:16,943 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-04-28 18:55:16,944 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-04-28 18:55:16,944 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-04-28 18:55:16,944 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-04-28 18:55:16,945 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-04-28 18:55:16,946 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-04-28 18:55:16,951 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 18:55:17,003 INFO L113 SettingsManager]: Loading preferences was successful [2021-04-28 18:55:17,004 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-04-28 18:55:17,008 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-04-28 18:55:17,008 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-04-28 18:55:17,008 INFO L138 SettingsManager]: * Use SBE=true [2021-04-28 18:55:17,009 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-04-28 18:55:17,009 INFO L138 SettingsManager]: * sizeof long=4 [2021-04-28 18:55:17,009 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-04-28 18:55:17,009 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-04-28 18:55:17,010 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-04-28 18:55:17,011 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-04-28 18:55:17,011 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-04-28 18:55:17,011 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-04-28 18:55:17,012 INFO L138 SettingsManager]: * sizeof long double=12 [2021-04-28 18:55:17,012 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-04-28 18:55:17,012 INFO L138 SettingsManager]: * Use constant arrays=true [2021-04-28 18:55:17,012 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-04-28 18:55:17,012 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-04-28 18:55:17,013 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-04-28 18:55:17,013 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-04-28 18:55:17,013 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-04-28 18:55:17,013 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-04-28 18:55:17,014 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-04-28 18:55:17,014 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-04-28 18:55:17,014 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-04-28 18:55:17,014 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-04-28 18:55:17,015 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-04-28 18:55:17,015 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=SEMANTIC_BASED_MOVER_CHECK_WITH_PREDICATES [2021-04-28 18:55:17,015 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-04-28 18:55:17,015 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-04-28 18:55:17,015 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-04-28 18:55:17,413 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-04-28 18:55:17,439 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-04-28 18:55:17,442 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-04-28 18:55:17,443 INFO L271 PluginConnector]: Initializing CDTParser... [2021-04-28 18:55:17,444 INFO L275 PluginConnector]: CDTParser initialized [2021-04-28 18:55:17,445 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/mix023_rmo.oepc.i [2021-04-28 18:55:17,527 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1c45836d5/78eb20bb95f4488689c42e68c471bacd/FLAG891f4e6ec [2021-04-28 18:55:18,451 INFO L306 CDTParser]: Found 1 translation units. [2021-04-28 18:55:18,452 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix023_rmo.oepc.i [2021-04-28 18:55:18,468 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1c45836d5/78eb20bb95f4488689c42e68c471bacd/FLAG891f4e6ec [2021-04-28 18:55:18,620 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1c45836d5/78eb20bb95f4488689c42e68c471bacd [2021-04-28 18:55:18,623 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-04-28 18:55:18,675 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-04-28 18:55:18,677 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-04-28 18:55:18,677 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-04-28 18:55:18,681 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-04-28 18:55:18,682 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.04 06:55:18" (1/1) ... [2021-04-28 18:55:18,683 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@446b77a3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 06:55:18, skipping insertion in model container [2021-04-28 18:55:18,683 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.04 06:55:18" (1/1) ... [2021-04-28 18:55:18,691 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-04-28 18:55:18,738 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-04-28 18:55:18,900 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/mix023_rmo.oepc.i[949,962] [2021-04-28 18:55:19,151 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-04-28 18:55:19,161 INFO L203 MainTranslator]: Completed pre-run [2021-04-28 18:55:19,175 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/mix023_rmo.oepc.i[949,962] [2021-04-28 18:55:19,241 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-04-28 18:55:19,397 INFO L208 MainTranslator]: Completed translation [2021-04-28 18:55:19,402 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 06:55:19 WrapperNode [2021-04-28 18:55:19,403 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-04-28 18:55:19,404 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-04-28 18:55:19,404 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-04-28 18:55:19,404 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-04-28 18:55:19,413 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 06:55:19" (1/1) ... [2021-04-28 18:55:19,453 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 06:55:19" (1/1) ... [2021-04-28 18:55:19,485 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-04-28 18:55:19,486 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-04-28 18:55:19,486 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-04-28 18:55:19,486 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-04-28 18:55:19,495 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 06:55:19" (1/1) ... [2021-04-28 18:55:19,496 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 06:55:19" (1/1) ... [2021-04-28 18:55:19,501 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 06:55:19" (1/1) ... [2021-04-28 18:55:19,501 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 06:55:19" (1/1) ... [2021-04-28 18:55:19,520 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 06:55:19" (1/1) ... [2021-04-28 18:55:19,527 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 06:55:19" (1/1) ... [2021-04-28 18:55:19,531 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 06:55:19" (1/1) ... [2021-04-28 18:55:19,537 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-04-28 18:55:19,538 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-04-28 18:55:19,538 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-04-28 18:55:19,538 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-04-28 18:55:19,539 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 06:55:19" (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 18:55:19,644 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-04-28 18:55:19,644 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-04-28 18:55:19,645 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-04-28 18:55:19,645 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-04-28 18:55:19,646 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-04-28 18:55:19,646 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-04-28 18:55:19,647 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-04-28 18:55:19,647 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-04-28 18:55:19,647 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2021-04-28 18:55:19,648 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2021-04-28 18:55:19,648 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2021-04-28 18:55:19,648 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2021-04-28 18:55:19,648 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-04-28 18:55:19,648 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-04-28 18:55:19,648 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-04-28 18:55:19,648 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-04-28 18:55:19,651 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 18:55:21,958 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-04-28 18:55:21,958 INFO L299 CfgBuilder]: Removed 10 assume(true) statements. [2021-04-28 18:55:21,960 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.04 06:55:21 BoogieIcfgContainer [2021-04-28 18:55:21,960 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-04-28 18:55:21,962 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-04-28 18:55:21,962 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-04-28 18:55:21,965 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-04-28 18:55:21,966 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.04 06:55:18" (1/3) ... [2021-04-28 18:55:21,966 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@72fad85b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.04 06:55:21, skipping insertion in model container [2021-04-28 18:55:21,967 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 06:55:19" (2/3) ... [2021-04-28 18:55:21,967 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@72fad85b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.04 06:55:21, skipping insertion in model container [2021-04-28 18:55:21,967 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.04 06:55:21" (3/3) ... [2021-04-28 18:55:21,969 INFO L111 eAbstractionObserver]: Analyzing ICFG mix023_rmo.oepc.i [2021-04-28 18:55:21,976 INFO L149 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-04-28 18:55:21,981 INFO L161 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2021-04-28 18:55:21,982 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-04-28 18:55:22,025 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:55:22,025 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:55:22,026 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:55:22,026 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:55:22,026 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:55:22,026 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:55:22,026 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:55:22,026 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:55:22,027 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:55:22,027 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:55:22,027 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:55:22,027 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:55:22,028 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:55:22,028 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:55:22,028 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:55:22,028 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:55:22,029 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:55:22,029 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:55:22,029 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:55:22,029 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:55:22,029 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:55:22,030 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:55:22,030 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:55:22,030 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:55:22,030 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:55:22,031 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:55:22,031 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:55:22,031 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:55:22,031 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:55:22,031 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:55:22,032 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:55:22,032 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:55:22,032 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:55:22,032 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:55:22,033 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:55:22,033 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:55:22,033 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:55:22,033 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:55:22,034 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:55:22,034 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:55:22,034 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:55:22,034 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:55:22,034 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:55:22,035 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:55:22,035 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:55:22,035 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:55:22,035 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:55:22,035 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:55:22,035 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:55:22,036 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:55:22,036 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:55:22,036 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:55:22,036 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:55:22,036 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:55:22,037 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:55:22,037 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:55:22,037 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:55:22,038 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:55:22,038 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:55:22,038 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:55:22,038 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:55:22,038 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:55:22,039 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:55:22,039 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:55:22,039 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:55:22,039 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:55:22,039 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:55:22,040 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:55:22,040 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:55:22,040 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:55:22,040 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:55:22,040 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:55:22,040 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:55:22,041 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:55:22,041 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:55:22,041 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:55:22,042 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:55:22,042 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:55:22,042 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:55:22,042 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:55:22,042 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:55:22,042 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:55:22,043 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:55:22,043 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:55:22,043 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:55:22,044 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:55:22,044 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:55:22,044 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:55:22,044 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:55:22,044 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:55:22,045 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:55:22,045 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:55:22,045 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:55:22,045 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:55:22,045 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:55:22,046 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:55:22,046 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:55:22,046 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:55:22,046 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:55:22,046 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:55:22,047 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:55:22,047 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:55:22,047 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:55:22,047 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:55:22,047 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:55:22,047 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~nondet23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:55:22,048 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~nondet24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:55:22,048 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:55:22,048 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:55:22,048 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:55:22,048 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:55:22,048 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:55:22,049 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:55:22,049 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:55:22,049 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:55:22,049 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:55:22,049 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:55:22,049 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:55:22,049 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:55:22,050 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~nondet23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:55:22,050 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~nondet24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:55:22,050 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:55:22,050 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:55:22,050 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:55:22,050 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:55:22,050 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:55:22,051 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:55:22,051 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:55:22,051 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:55:22,051 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:55:22,051 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:55:22,051 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:55:22,054 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:55:22,054 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:55:22,054 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:55:22,054 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:55:22,054 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:55:22,054 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:55:22,055 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:55:22,055 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:55:22,055 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:55:22,055 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:55:22,055 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:55:22,055 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~nondet23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:55:22,056 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~nondet24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:55:22,056 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:55:22,056 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:55:22,056 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:55:22,056 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:55:22,056 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:55:22,056 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:55:22,057 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:55:22,057 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:55:22,057 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:55:22,057 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:55:22,057 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:55:22,057 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:55:22,057 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~nondet23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:55:22,058 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~nondet24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:55:22,058 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:55:22,058 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:55:22,058 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:55:22,058 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:55:22,058 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:55:22,059 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:55:22,059 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:55:22,059 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:55:22,059 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:55:22,059 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:55:22,059 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:55:22,061 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:55:22,062 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:55:22,062 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:55:22,062 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:55:22,062 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:55:22,062 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:55:22,062 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:55:22,063 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:55:22,063 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:55:22,063 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:55:22,063 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:55:22,064 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:55:22,064 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:55:22,064 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:55:22,064 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:55:22,065 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:55:22,065 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:55:22,065 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:55:22,067 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:55:22,068 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:55:22,068 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:55:22,068 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:55:22,068 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:55:22,068 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:55:22,068 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:55:22,069 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:55:22,069 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:55:22,069 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:55:22,069 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:55:22,069 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:55:22,070 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:55:22,070 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:55:22,070 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:55:22,070 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:55:22,070 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:55:22,070 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:55:22,071 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:55:22,071 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:55:22,071 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:55:22,071 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:55:22,071 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~nondet24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:55:22,072 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:55:22,072 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:55:22,072 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:55:22,072 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~nondet23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:55:22,072 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:55:22,072 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:55:22,073 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:55:22,073 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:55:22,073 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:55:22,073 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:55:22,075 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:55:22,075 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:55:22,076 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:55:22,076 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:55:22,076 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:55:22,076 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:55:22,076 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:55:22,077 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:55:22,077 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:55:22,077 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:55:22,077 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:55:22,077 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:55:22,081 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:55:22,081 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:55:22,081 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:55:22,082 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:55:22,082 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:55:22,082 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:55:22,082 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:55:22,082 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:55:22,083 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:55:22,083 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:55:22,086 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:55:22,086 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:55:22,086 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:55:22,087 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:55:22,087 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:55:22,087 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:55:22,087 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:55:22,087 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:55:22,088 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:55:22,088 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:55:22,089 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-04-28 18:55:22,111 INFO L253 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2021-04-28 18:55:22,138 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-04-28 18:55:22,138 INFO L377 AbstractCegarLoop]: Hoare is false [2021-04-28 18:55:22,138 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-04-28 18:55:22,138 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-04-28 18:55:22,138 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-04-28 18:55:22,138 INFO L381 AbstractCegarLoop]: Difference is false [2021-04-28 18:55:22,139 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-04-28 18:55:22,139 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-04-28 18:55:22,157 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 130 places, 119 transitions, 258 flow [2021-04-28 18:55:22,230 INFO L129 PetriNetUnfolder]: 2/115 cut-off events. [2021-04-28 18:55:22,231 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 18:55:22,250 INFO L84 FinitePrefix]: Finished finitePrefix Result has 128 conditions, 115 events. 2/115 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 93 event pairs, 0 based on Foata normal form. 0/111 useless extension candidates. Maximal degree in co-relation 78. Up to 2 conditions per place. [2021-04-28 18:55:22,250 INFO L82 GeneralOperation]: Start removeDead. Operand has 130 places, 119 transitions, 258 flow [2021-04-28 18:55:22,260 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 126 places, 115 transitions, 242 flow [2021-04-28 18:55:22,262 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 18:55:22,278 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 126 places, 115 transitions, 242 flow [2021-04-28 18:55:22,284 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 126 places, 115 transitions, 242 flow [2021-04-28 18:55:22,288 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 126 places, 115 transitions, 242 flow [2021-04-28 18:55:22,334 INFO L129 PetriNetUnfolder]: 2/115 cut-off events. [2021-04-28 18:55:22,335 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 18:55:22,336 INFO L84 FinitePrefix]: Finished finitePrefix Result has 128 conditions, 115 events. 2/115 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 96 event pairs, 0 based on Foata normal form. 0/111 useless extension candidates. Maximal degree in co-relation 78. Up to 2 conditions per place. [2021-04-28 18:55:22,342 INFO L146 LiptonReduction]: Number of co-enabled transitions 2894 [2021-04-28 18:55:25,812 WARN L205 SmtUtils]: Spent 286.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 60 [2021-04-28 18:55:25,929 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 59 [2021-04-28 18:55:26,473 WARN L205 SmtUtils]: Spent 540.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 83 [2021-04-28 18:55:26,676 WARN L205 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2021-04-28 18:55:33,690 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2021-04-28 18:55:36,631 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2021-04-28 18:55:42,938 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-04-28 18:55:43,040 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-04-28 18:55:43,171 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-04-28 18:55:43,677 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2021-04-28 18:55:43,783 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2021-04-28 18:55:43,890 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2021-04-28 18:55:44,000 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2021-04-28 18:55:44,115 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2021-04-28 18:55:44,225 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2021-04-28 18:55:44,339 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2021-04-28 18:55:44,455 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2021-04-28 18:55:44,689 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 69 [2021-04-28 18:55:44,992 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 69 [2021-04-28 18:55:45,508 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 50 [2021-04-28 18:55:46,020 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 75 [2021-04-28 18:55:46,148 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 75 [2021-04-28 18:55:46,274 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 75 [2021-04-28 18:55:46,388 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 75 [2021-04-28 18:55:48,161 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 56 [2021-04-28 18:55:51,076 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2021-04-28 18:55:51,202 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2021-04-28 18:55:51,325 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2021-04-28 18:55:51,448 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2021-04-28 18:55:51,927 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2021-04-28 18:55:52,046 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2021-04-28 18:55:52,165 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2021-04-28 18:55:52,282 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2021-04-28 18:55:52,384 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-04-28 18:55:52,488 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-04-28 18:55:52,599 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-04-28 18:55:52,706 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-04-28 18:55:53,247 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 89 [2021-04-28 18:55:53,400 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 89 [2021-04-28 18:55:53,589 WARN L205 SmtUtils]: Spent 187.00 ms on a formula simplification that was a NOOP. DAG size: 89 [2021-04-28 18:55:53,741 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 89 [2021-04-28 18:55:53,947 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2021-04-28 18:55:54,048 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2021-04-28 18:55:54,252 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2021-04-28 18:55:54,354 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2021-04-28 18:55:54,457 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2021-04-28 18:55:54,559 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2021-04-28 18:55:54,888 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 83 [2021-04-28 18:55:55,037 WARN L205 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 83 [2021-04-28 18:55:55,184 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 83 [2021-04-28 18:55:55,332 WARN L205 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 83 [2021-04-28 18:55:55,505 WARN L205 SmtUtils]: Spent 171.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-04-28 18:55:55,680 WARN L205 SmtUtils]: Spent 174.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-04-28 18:55:55,855 WARN L205 SmtUtils]: Spent 174.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-04-28 18:55:56,026 WARN L205 SmtUtils]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-04-28 18:55:56,209 WARN L205 SmtUtils]: Spent 179.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2021-04-28 18:55:56,385 WARN L205 SmtUtils]: Spent 175.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2021-04-28 18:55:56,570 WARN L205 SmtUtils]: Spent 184.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2021-04-28 18:55:56,749 WARN L205 SmtUtils]: Spent 178.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2021-04-28 18:55:56,935 WARN L205 SmtUtils]: Spent 184.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-04-28 18:55:57,120 WARN L205 SmtUtils]: Spent 184.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-04-28 18:55:57,306 WARN L205 SmtUtils]: Spent 184.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-04-28 18:55:57,480 WARN L205 SmtUtils]: Spent 173.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-04-28 18:55:57,622 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2021-04-28 18:55:57,768 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2021-04-28 18:55:57,910 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2021-04-28 18:55:58,052 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2021-04-28 18:55:58,207 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-28 18:55:58,360 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-28 18:55:58,505 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-28 18:55:58,652 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-28 18:55:58,834 WARN L205 SmtUtils]: Spent 180.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2021-04-28 18:55:59,020 WARN L205 SmtUtils]: Spent 185.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2021-04-28 18:55:59,205 WARN L205 SmtUtils]: Spent 184.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2021-04-28 18:55:59,385 WARN L205 SmtUtils]: Spent 179.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2021-04-28 18:55:59,516 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2021-04-28 18:55:59,644 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2021-04-28 18:55:59,795 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2021-04-28 18:55:59,920 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2021-04-28 18:56:00,088 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-04-28 18:56:00,258 WARN L205 SmtUtils]: Spent 168.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-04-28 18:56:00,423 WARN L205 SmtUtils]: Spent 163.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-04-28 18:56:00,584 WARN L205 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-04-28 18:56:00,782 WARN L205 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2021-04-28 18:56:00,981 WARN L205 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2021-04-28 18:56:01,178 WARN L205 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2021-04-28 18:56:01,378 WARN L205 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2021-04-28 18:56:01,531 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-28 18:56:01,688 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-28 18:56:01,846 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-28 18:56:02,001 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-28 18:56:02,180 WARN L205 SmtUtils]: Spent 177.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2021-04-28 18:56:02,362 WARN L205 SmtUtils]: Spent 181.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2021-04-28 18:56:02,533 WARN L205 SmtUtils]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2021-04-28 18:56:02,712 WARN L205 SmtUtils]: Spent 177.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2021-04-28 18:56:02,868 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-28 18:56:03,024 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-28 18:56:03,182 WARN L205 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-28 18:56:03,347 WARN L205 SmtUtils]: Spent 164.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-28 18:56:03,534 WARN L205 SmtUtils]: Spent 184.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2021-04-28 18:56:03,724 WARN L205 SmtUtils]: Spent 189.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2021-04-28 18:56:03,915 WARN L205 SmtUtils]: Spent 189.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2021-04-28 18:56:04,105 WARN L205 SmtUtils]: Spent 189.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2021-04-28 18:56:04,623 WARN L205 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2021-04-28 18:56:04,828 WARN L205 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2021-04-28 18:56:05,030 WARN L205 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2021-04-28 18:56:05,238 WARN L205 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2021-04-28 18:56:05,395 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-28 18:56:05,545 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-28 18:56:05,697 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-28 18:56:05,850 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-28 18:56:06,081 WARN L205 SmtUtils]: Spent 193.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2021-04-28 18:56:06,288 WARN L205 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2021-04-28 18:56:06,510 WARN L205 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2021-04-28 18:56:06,737 WARN L205 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2021-04-28 18:56:06,871 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2021-04-28 18:56:07,006 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2021-04-28 18:56:07,140 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2021-04-28 18:56:07,267 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2021-04-28 18:56:07,781 WARN L205 SmtUtils]: Spent 512.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 119 [2021-04-28 18:56:08,033 WARN L205 SmtUtils]: Spent 249.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2021-04-28 18:56:08,549 WARN L205 SmtUtils]: Spent 514.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 119 [2021-04-28 18:56:08,797 WARN L205 SmtUtils]: Spent 247.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2021-04-28 18:56:09,015 WARN L205 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2021-04-28 18:56:09,227 WARN L205 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2021-04-28 18:56:09,433 WARN L205 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2021-04-28 18:56:09,641 WARN L205 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2021-04-28 18:56:10,496 WARN L205 SmtUtils]: Spent 535.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 124 [2021-04-28 18:56:10,752 WARN L205 SmtUtils]: Spent 254.00 ms on a formula simplification that was a NOOP. DAG size: 120 [2021-04-28 18:56:11,286 WARN L205 SmtUtils]: Spent 532.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 124 [2021-04-28 18:56:11,540 WARN L205 SmtUtils]: Spent 253.00 ms on a formula simplification that was a NOOP. DAG size: 120 [2021-04-28 18:56:11,754 WARN L205 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2021-04-28 18:56:11,965 WARN L205 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2021-04-28 18:56:12,183 WARN L205 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2021-04-28 18:56:12,398 WARN L205 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2021-04-28 18:56:12,460 INFO L158 LiptonReduction]: Checked pairs total: 33208 [2021-04-28 18:56:12,460 INFO L160 LiptonReduction]: Total number of compositions: 295 [2021-04-28 18:56:12,466 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 50206 [2021-04-28 18:56:12,489 INFO L129 PetriNetUnfolder]: 0/66 cut-off events. [2021-04-28 18:56:12,489 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 18:56:12,490 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 18:56:12,491 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1] [2021-04-28 18:56:12,491 INFO L428 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr3INUSE_VIOLATION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 18:56:12,497 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 18:56:12,497 INFO L82 PathProgramCache]: Analyzing trace with hash 1408507, now seen corresponding path program 1 times [2021-04-28 18:56:12,508 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 18:56:12,508 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [104931863] [2021-04-28 18:56:12,508 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 18:56:12,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 18:56:12,818 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 18:56:12,819 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 18:56:12,826 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 18:56:12,828 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [104931863] [2021-04-28 18:56:12,828 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 18:56:12,829 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-04-28 18:56:12,829 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [915033311] [2021-04-28 18:56:12,840 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-04-28 18:56:12,840 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 18:56:12,856 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-04-28 18:56:12,860 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-04-28 18:56:12,866 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 318 out of 414 [2021-04-28 18:56:12,875 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 157 places, 145 transitions, 302 flow. Second operand has 3 states, 3 states have (on average 318.6666666666667) internal successors, (956), 3 states have internal predecessors, (956), 0 states have call successors, (0), 0 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 18:56:12,875 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 18:56:12,875 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 318 of 414 [2021-04-28 18:56:12,877 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 18:56:13,167 INFO L129 PetriNetUnfolder]: 133/839 cut-off events. [2021-04-28 18:56:13,167 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 18:56:13,173 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1074 conditions, 839 events. 133/839 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 120. Compared 7466 event pairs, 110 based on Foata normal form. 70/348 useless extension candidates. Maximal degree in co-relation 988. Up to 153 conditions per place. [2021-04-28 18:56:13,180 INFO L132 encePairwiseOnDemand]: 392/414 looper letters, 11 selfloop transitions, 2 changer transitions 61/146 dead transitions. [2021-04-28 18:56:13,181 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 156 places, 146 transitions, 362 flow [2021-04-28 18:56:13,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-04-28 18:56:13,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-04-28 18:56:13,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 990 transitions. [2021-04-28 18:56:13,203 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7971014492753623 [2021-04-28 18:56:13,204 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 990 transitions. [2021-04-28 18:56:13,205 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 990 transitions. [2021-04-28 18:56:13,209 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 18:56:13,212 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 990 transitions. [2021-04-28 18:56:13,219 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 330.0) internal successors, (990), 3 states have internal predecessors, (990), 0 states have call successors, (0), 0 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 18:56:13,234 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 414.0) internal successors, (1656), 4 states have internal predecessors, (1656), 0 states have call successors, (0), 0 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 18:56:13,235 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 414.0) internal successors, (1656), 4 states have internal predecessors, (1656), 0 states have call successors, (0), 0 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 18:56:13,238 INFO L185 Difference]: Start difference. First operand has 157 places, 145 transitions, 302 flow. Second operand 3 states and 990 transitions. [2021-04-28 18:56:13,239 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 156 places, 146 transitions, 362 flow [2021-04-28 18:56:13,243 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 152 places, 146 transitions, 358 flow, removed 0 selfloop flow, removed 4 redundant places. [2021-04-28 18:56:13,247 INFO L241 Difference]: Finished difference. Result has 152 places, 80 transitions, 172 flow [2021-04-28 18:56:13,249 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=414, PETRI_DIFFERENCE_MINUEND_FLOW=290, PETRI_DIFFERENCE_MINUEND_PLACES=150, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=141, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=139, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=172, PETRI_PLACES=152, PETRI_TRANSITIONS=80} [2021-04-28 18:56:13,250 INFO L343 CegarLoopForPetriNet]: 157 programPoint places, -5 predicate places. [2021-04-28 18:56:13,250 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 18:56:13,251 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 152 places, 80 transitions, 172 flow [2021-04-28 18:56:13,251 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 152 places, 80 transitions, 172 flow [2021-04-28 18:56:13,252 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 91 places, 80 transitions, 172 flow [2021-04-28 18:56:13,263 INFO L129 PetriNetUnfolder]: 0/80 cut-off events. [2021-04-28 18:56:13,263 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 18:56:13,264 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 28. Compared 387 event pairs, 0 based on Foata normal form. 0/30 useless extension candidates. Maximal degree in co-relation 0. Up to 2 conditions per place. [2021-04-28 18:56:13,266 INFO L146 LiptonReduction]: Number of co-enabled transitions 3278 [2021-04-28 18:56:13,459 INFO L158 LiptonReduction]: Checked pairs total: 4434 [2021-04-28 18:56:13,459 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 18:56:13,460 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 210 [2021-04-28 18:56:13,468 INFO L480 AbstractCegarLoop]: Abstraction has has 91 places, 80 transitions, 172 flow [2021-04-28 18:56:13,470 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 318.6666666666667) internal successors, (956), 3 states have internal predecessors, (956), 0 states have call successors, (0), 0 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 18:56:13,470 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 18:56:13,470 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 18:56:13,470 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-04-28 18:56:13,470 INFO L428 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr3INUSE_VIOLATION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 18:56:13,474 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 18:56:13,474 INFO L82 PathProgramCache]: Analyzing trace with hash 2107134685, now seen corresponding path program 1 times [2021-04-28 18:56:13,474 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 18:56:13,474 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1587089261] [2021-04-28 18:56:13,478 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 18:56:13,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 18:56:13,669 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-04-28 18:56:13,670 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-04-28 18:56:13,684 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 18:56:13,685 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1587089261] [2021-04-28 18:56:13,685 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 18:56:13,686 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-04-28 18:56:13,686 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [583545210] [2021-04-28 18:56:13,687 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-04-28 18:56:13,687 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 18:56:13,688 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-04-28 18:56:13,688 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-04-28 18:56:13,695 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 235 out of 414 [2021-04-28 18:56:13,699 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 91 places, 80 transitions, 172 flow. Second operand has 3 states, 3 states have (on average 235.66666666666666) internal successors, (707), 3 states have internal predecessors, (707), 0 states have call successors, (0), 0 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 18:56:13,699 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 18:56:13,699 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 235 of 414 [2021-04-28 18:56:13,699 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 18:56:16,778 INFO L129 PetriNetUnfolder]: 7407/17885 cut-off events. [2021-04-28 18:56:16,779 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 18:56:16,852 INFO L84 FinitePrefix]: Finished finitePrefix Result has 28555 conditions, 17885 events. 7407/17885 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 2403. Compared 223693 event pairs, 2551 based on Foata normal form. 0/11554 useless extension candidates. Maximal degree in co-relation 28546. Up to 5601 conditions per place. [2021-04-28 18:56:16,877 INFO L132 encePairwiseOnDemand]: 388/414 looper letters, 9 selfloop transitions, 9 changer transitions 50/112 dead transitions. [2021-04-28 18:56:16,877 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 93 places, 112 transitions, 372 flow [2021-04-28 18:56:16,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-04-28 18:56:16,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-04-28 18:56:16,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 772 transitions. [2021-04-28 18:56:16,881 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6215780998389694 [2021-04-28 18:56:16,881 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 772 transitions. [2021-04-28 18:56:16,881 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 772 transitions. [2021-04-28 18:56:16,882 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 18:56:16,882 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 772 transitions. [2021-04-28 18:56:16,885 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 257.3333333333333) internal successors, (772), 3 states have internal predecessors, (772), 0 states have call successors, (0), 0 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 18:56:16,889 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 414.0) internal successors, (1656), 4 states have internal predecessors, (1656), 0 states have call successors, (0), 0 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 18:56:16,891 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 414.0) internal successors, (1656), 4 states have internal predecessors, (1656), 0 states have call successors, (0), 0 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 18:56:16,891 INFO L185 Difference]: Start difference. First operand has 91 places, 80 transitions, 172 flow. Second operand 3 states and 772 transitions. [2021-04-28 18:56:16,891 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 93 places, 112 transitions, 372 flow [2021-04-28 18:56:16,895 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 18:56:16,897 INFO L241 Difference]: Finished difference. Result has 93 places, 62 transitions, 186 flow [2021-04-28 18:56:16,897 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=414, 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=71, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=186, PETRI_PLACES=93, PETRI_TRANSITIONS=62} [2021-04-28 18:56:16,898 INFO L343 CegarLoopForPetriNet]: 157 programPoint places, -64 predicate places. [2021-04-28 18:56:16,898 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 18:56:16,898 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 93 places, 62 transitions, 186 flow [2021-04-28 18:56:16,899 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 93 places, 62 transitions, 186 flow [2021-04-28 18:56:16,900 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 67 places, 62 transitions, 186 flow [2021-04-28 18:56:17,066 INFO L129 PetriNetUnfolder]: 347/1153 cut-off events. [2021-04-28 18:56:17,066 INFO L130 PetriNetUnfolder]: For 99/103 co-relation queries the response was YES. [2021-04-28 18:56:17,073 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1986 conditions, 1153 events. 347/1153 cut-off events. For 99/103 co-relation queries the response was YES. Maximal size of possible extension queue 137. Compared 9835 event pairs, 141 based on Foata normal form. 0/838 useless extension candidates. Maximal degree in co-relation 1977. Up to 377 conditions per place. [2021-04-28 18:56:17,103 INFO L146 LiptonReduction]: Number of co-enabled transitions 2154 [2021-04-28 18:56:17,207 INFO L158 LiptonReduction]: Checked pairs total: 1414 [2021-04-28 18:56:17,207 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 18:56:17,208 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 310 [2021-04-28 18:56:17,210 INFO L480 AbstractCegarLoop]: Abstraction has has 67 places, 62 transitions, 186 flow [2021-04-28 18:56:17,211 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 235.66666666666666) internal successors, (707), 3 states have internal predecessors, (707), 0 states have call successors, (0), 0 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 18:56:17,211 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 18:56:17,212 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 18:56:17,212 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-04-28 18:56:17,212 INFO L428 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr3INUSE_VIOLATION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 18:56:17,212 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 18:56:17,212 INFO L82 PathProgramCache]: Analyzing trace with hash -703749814, now seen corresponding path program 1 times [2021-04-28 18:56:17,213 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 18:56:17,213 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1625431833] [2021-04-28 18:56:17,213 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 18:56:17,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 18:56:17,267 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 18:56:17,268 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 18:56:17,270 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 18:56:17,270 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1625431833] [2021-04-28 18:56:17,271 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 18:56:17,271 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-04-28 18:56:17,271 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1919085840] [2021-04-28 18:56:17,271 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-04-28 18:56:17,272 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 18:56:17,272 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-04-28 18:56:17,272 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-04-28 18:56:17,274 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 330 out of 414 [2021-04-28 18:56:17,276 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 67 places, 62 transitions, 186 flow. Second operand has 3 states, 3 states have (on average 330.6666666666667) internal successors, (992), 3 states have internal predecessors, (992), 0 states have call successors, (0), 0 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 18:56:17,276 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 18:56:17,276 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 330 of 414 [2021-04-28 18:56:17,276 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 18:56:17,563 INFO L129 PetriNetUnfolder]: 318/1072 cut-off events. [2021-04-28 18:56:17,563 INFO L130 PetriNetUnfolder]: For 366/440 co-relation queries the response was YES. [2021-04-28 18:56:17,568 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2074 conditions, 1072 events. 318/1072 cut-off events. For 366/440 co-relation queries the response was YES. Maximal size of possible extension queue 127. Compared 9019 event pairs, 112 based on Foata normal form. 2/781 useless extension candidates. Maximal degree in co-relation 2063. Up to 351 conditions per place. [2021-04-28 18:56:17,576 INFO L132 encePairwiseOnDemand]: 410/414 looper letters, 7 selfloop transitions, 5 changer transitions 0/66 dead transitions. [2021-04-28 18:56:17,576 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 69 places, 66 transitions, 230 flow [2021-04-28 18:56:17,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-04-28 18:56:17,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-04-28 18:56:17,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 998 transitions. [2021-04-28 18:56:17,580 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8035426731078905 [2021-04-28 18:56:17,580 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 998 transitions. [2021-04-28 18:56:17,580 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 998 transitions. [2021-04-28 18:56:17,581 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 18:56:17,581 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 998 transitions. [2021-04-28 18:56:17,584 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 332.6666666666667) internal successors, (998), 3 states have internal predecessors, (998), 0 states have call successors, (0), 0 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 18:56:17,587 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 414.0) internal successors, (1656), 4 states have internal predecessors, (1656), 0 states have call successors, (0), 0 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 18:56:17,589 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 414.0) internal successors, (1656), 4 states have internal predecessors, (1656), 0 states have call successors, (0), 0 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 18:56:17,589 INFO L185 Difference]: Start difference. First operand has 67 places, 62 transitions, 186 flow. Second operand 3 states and 998 transitions. [2021-04-28 18:56:17,589 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 69 places, 66 transitions, 230 flow [2021-04-28 18:56:17,593 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 67 places, 66 transitions, 208 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-04-28 18:56:17,595 INFO L241 Difference]: Finished difference. Result has 68 places, 66 transitions, 209 flow [2021-04-28 18:56:17,595 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=414, PETRI_DIFFERENCE_MINUEND_FLOW=168, PETRI_DIFFERENCE_MINUEND_PLACES=65, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=62, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=57, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=209, PETRI_PLACES=68, PETRI_TRANSITIONS=66} [2021-04-28 18:56:17,596 INFO L343 CegarLoopForPetriNet]: 157 programPoint places, -89 predicate places. [2021-04-28 18:56:17,596 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 18:56:17,596 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 68 places, 66 transitions, 209 flow [2021-04-28 18:56:17,596 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 68 places, 66 transitions, 209 flow [2021-04-28 18:56:17,597 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 68 places, 66 transitions, 209 flow [2021-04-28 18:56:17,724 INFO L129 PetriNetUnfolder]: 318/1072 cut-off events. [2021-04-28 18:56:17,724 INFO L130 PetriNetUnfolder]: For 154/201 co-relation queries the response was YES. [2021-04-28 18:56:17,730 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1798 conditions, 1072 events. 318/1072 cut-off events. For 154/201 co-relation queries the response was YES. Maximal size of possible extension queue 123. Compared 9127 event pairs, 99 based on Foata normal form. 1/785 useless extension candidates. Maximal degree in co-relation 1788. Up to 351 conditions per place. [2021-04-28 18:56:17,755 INFO L146 LiptonReduction]: Number of co-enabled transitions 2322 [2021-04-28 18:56:17,853 INFO L158 LiptonReduction]: Checked pairs total: 1572 [2021-04-28 18:56:17,853 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 18:56:17,853 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 257 [2021-04-28 18:56:17,864 INFO L480 AbstractCegarLoop]: Abstraction has has 68 places, 66 transitions, 209 flow [2021-04-28 18:56:17,865 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 330.6666666666667) internal successors, (992), 3 states have internal predecessors, (992), 0 states have call successors, (0), 0 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 18:56:17,865 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 18:56:17,865 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 18:56:17,866 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-04-28 18:56:17,866 INFO L428 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr3INUSE_VIOLATION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 18:56:17,866 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 18:56:17,866 INFO L82 PathProgramCache]: Analyzing trace with hash 896277240, now seen corresponding path program 1 times [2021-04-28 18:56:17,866 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 18:56:17,867 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [845515647] [2021-04-28 18:56:17,867 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 18:56:17,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 18:56:17,980 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 18:56:17,981 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 18:56:17,983 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 18:56:17,984 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [845515647] [2021-04-28 18:56:17,984 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 18:56:17,984 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-04-28 18:56:17,984 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [108406588] [2021-04-28 18:56:17,985 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-04-28 18:56:17,985 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 18:56:17,985 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-04-28 18:56:17,985 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-04-28 18:56:17,987 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 320 out of 414 [2021-04-28 18:56:17,989 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 68 places, 66 transitions, 209 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 18:56:17,989 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 18:56:17,989 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 320 of 414 [2021-04-28 18:56:17,989 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 18:56:18,132 INFO L129 PetriNetUnfolder]: 289/971 cut-off events. [2021-04-28 18:56:18,133 INFO L130 PetriNetUnfolder]: For 362/509 co-relation queries the response was YES. [2021-04-28 18:56:18,138 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1857 conditions, 971 events. 289/971 cut-off events. For 362/509 co-relation queries the response was YES. Maximal size of possible extension queue 112. Compared 7883 event pairs, 90 based on Foata normal form. 6/717 useless extension candidates. Maximal degree in co-relation 1845. Up to 325 conditions per place. [2021-04-28 18:56:18,146 INFO L132 encePairwiseOnDemand]: 410/414 looper letters, 7 selfloop transitions, 5 changer transitions 0/70 dead transitions. [2021-04-28 18:56:18,146 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 70 places, 70 transitions, 249 flow [2021-04-28 18:56:18,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-04-28 18:56:18,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-04-28 18:56:18,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 968 transitions. [2021-04-28 18:56:18,150 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7793880837359098 [2021-04-28 18:56:18,150 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 968 transitions. [2021-04-28 18:56:18,150 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 968 transitions. [2021-04-28 18:56:18,151 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 18:56:18,152 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 968 transitions. [2021-04-28 18:56:18,155 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 322.6666666666667) internal successors, (968), 3 states have internal predecessors, (968), 0 states have call successors, (0), 0 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 18:56:18,159 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 414.0) internal successors, (1656), 4 states have internal predecessors, (1656), 0 states have call successors, (0), 0 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 18:56:18,160 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 414.0) internal successors, (1656), 4 states have internal predecessors, (1656), 0 states have call successors, (0), 0 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 18:56:18,161 INFO L185 Difference]: Start difference. First operand has 68 places, 66 transitions, 209 flow. Second operand 3 states and 968 transitions. [2021-04-28 18:56:18,161 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 70 places, 70 transitions, 249 flow [2021-04-28 18:56:18,163 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 69 places, 70 transitions, 244 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-04-28 18:56:18,168 INFO L241 Difference]: Finished difference. Result has 70 places, 70 transitions, 245 flow [2021-04-28 18:56:18,168 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=414, PETRI_DIFFERENCE_MINUEND_FLOW=204, PETRI_DIFFERENCE_MINUEND_PLACES=67, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=66, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=61, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=245, PETRI_PLACES=70, PETRI_TRANSITIONS=70} [2021-04-28 18:56:18,168 INFO L343 CegarLoopForPetriNet]: 157 programPoint places, -87 predicate places. [2021-04-28 18:56:18,169 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 18:56:18,169 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 70 places, 70 transitions, 245 flow [2021-04-28 18:56:18,169 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 70 places, 70 transitions, 245 flow [2021-04-28 18:56:18,170 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 70 places, 70 transitions, 245 flow [2021-04-28 18:56:18,307 INFO L129 PetriNetUnfolder]: 289/931 cut-off events. [2021-04-28 18:56:18,307 INFO L130 PetriNetUnfolder]: For 296/387 co-relation queries the response was YES. [2021-04-28 18:56:18,313 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1765 conditions, 931 events. 289/931 cut-off events. For 296/387 co-relation queries the response was YES. Maximal size of possible extension queue 125. Compared 7376 event pairs, 91 based on Foata normal form. 1/696 useless extension candidates. Maximal degree in co-relation 1753. Up to 325 conditions per place. [2021-04-28 18:56:18,331 INFO L146 LiptonReduction]: Number of co-enabled transitions 2514 [2021-04-28 18:56:18,351 INFO L158 LiptonReduction]: Checked pairs total: 1754 [2021-04-28 18:56:18,352 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 18:56:18,352 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 183 [2021-04-28 18:56:18,357 INFO L480 AbstractCegarLoop]: Abstraction has has 70 places, 70 transitions, 245 flow [2021-04-28 18:56:18,358 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 18:56:18,358 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 18:56:18,358 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 18:56:18,358 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-04-28 18:56:18,358 INFO L428 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr3INUSE_VIOLATION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 18:56:18,359 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 18:56:18,359 INFO L82 PathProgramCache]: Analyzing trace with hash 2026725601, now seen corresponding path program 1 times [2021-04-28 18:56:18,359 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 18:56:18,359 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1267112761] [2021-04-28 18:56:18,359 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 18:56:18,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 18:56:18,451 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 18:56:18,451 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 18:56:18,455 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-04-28 18:56:18,457 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-04-28 18:56:18,469 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 18:56:18,470 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1267112761] [2021-04-28 18:56:18,470 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 18:56:18,470 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-04-28 18:56:18,470 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2036666414] [2021-04-28 18:56:18,471 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-04-28 18:56:18,471 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 18:56:18,472 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-04-28 18:56:18,472 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-04-28 18:56:18,474 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 235 out of 414 [2021-04-28 18:56:18,476 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 70 places, 70 transitions, 245 flow. Second operand has 4 states, 4 states have (on average 236.0) internal successors, (944), 4 states have internal predecessors, (944), 0 states have call successors, (0), 0 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 18:56:18,476 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 18:56:18,476 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 235 of 414 [2021-04-28 18:56:18,476 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 18:56:18,650 INFO L129 PetriNetUnfolder]: 224/769 cut-off events. [2021-04-28 18:56:18,650 INFO L130 PetriNetUnfolder]: For 347/772 co-relation queries the response was YES. [2021-04-28 18:56:18,655 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1813 conditions, 769 events. 224/769 cut-off events. For 347/772 co-relation queries the response was YES. Maximal size of possible extension queue 89. Compared 5783 event pairs, 24 based on Foata normal form. 20/583 useless extension candidates. Maximal degree in co-relation 1799. Up to 249 conditions per place. [2021-04-28 18:56:18,670 INFO L132 encePairwiseOnDemand]: 405/414 looper letters, 29 selfloop transitions, 11 changer transitions 0/84 dead transitions. [2021-04-28 18:56:18,670 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 73 places, 84 transitions, 405 flow [2021-04-28 18:56:18,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-04-28 18:56:18,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-04-28 18:56:18,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 962 transitions. [2021-04-28 18:56:18,675 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5809178743961353 [2021-04-28 18:56:18,675 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 962 transitions. [2021-04-28 18:56:18,675 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 962 transitions. [2021-04-28 18:56:18,676 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 18:56:18,676 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 962 transitions. [2021-04-28 18:56:18,679 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 240.5) internal successors, (962), 4 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 18:56:18,684 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 414.0) internal successors, (2070), 5 states have internal predecessors, (2070), 0 states have call successors, (0), 0 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 18:56:18,686 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 414.0) internal successors, (2070), 5 states have internal predecessors, (2070), 0 states have call successors, (0), 0 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 18:56:18,686 INFO L185 Difference]: Start difference. First operand has 70 places, 70 transitions, 245 flow. Second operand 4 states and 962 transitions. [2021-04-28 18:56:18,686 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 73 places, 84 transitions, 405 flow [2021-04-28 18:56:18,689 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 72 places, 84 transitions, 396 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-04-28 18:56:18,692 INFO L241 Difference]: Finished difference. Result has 75 places, 77 transitions, 338 flow [2021-04-28 18:56:18,692 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=414, PETRI_DIFFERENCE_MINUEND_FLOW=240, PETRI_DIFFERENCE_MINUEND_PLACES=69, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=70, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=59, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=338, PETRI_PLACES=75, PETRI_TRANSITIONS=77} [2021-04-28 18:56:18,692 INFO L343 CegarLoopForPetriNet]: 157 programPoint places, -82 predicate places. [2021-04-28 18:56:18,692 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 18:56:18,693 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 75 places, 77 transitions, 338 flow [2021-04-28 18:56:18,693 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 75 places, 77 transitions, 338 flow [2021-04-28 18:56:18,694 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 75 places, 77 transitions, 338 flow [2021-04-28 18:56:18,813 INFO L129 PetriNetUnfolder]: 224/797 cut-off events. [2021-04-28 18:56:18,814 INFO L130 PetriNetUnfolder]: For 586/634 co-relation queries the response was YES. [2021-04-28 18:56:18,819 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1790 conditions, 797 events. 224/797 cut-off events. For 586/634 co-relation queries the response was YES. Maximal size of possible extension queue 96. Compared 6206 event pairs, 39 based on Foata normal form. 2/583 useless extension candidates. Maximal degree in co-relation 1774. Up to 249 conditions per place. [2021-04-28 18:56:18,836 INFO L146 LiptonReduction]: Number of co-enabled transitions 2802 [2021-04-28 18:56:18,987 INFO L158 LiptonReduction]: Checked pairs total: 2055 [2021-04-28 18:56:18,987 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 18:56:18,988 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 296 [2021-04-28 18:56:18,991 INFO L480 AbstractCegarLoop]: Abstraction has has 75 places, 77 transitions, 338 flow [2021-04-28 18:56:18,992 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 236.0) internal successors, (944), 4 states have internal predecessors, (944), 0 states have call successors, (0), 0 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 18:56:18,992 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 18:56:18,992 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 18:56:18,992 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-04-28 18:56:18,993 INFO L428 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr3INUSE_VIOLATION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 18:56:18,998 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 18:56:18,998 INFO L82 PathProgramCache]: Analyzing trace with hash -2007748256, now seen corresponding path program 1 times [2021-04-28 18:56:18,998 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 18:56:18,998 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1784003701] [2021-04-28 18:56:18,999 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 18:56:19,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 18:56:19,065 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 18:56:19,066 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 18:56:19,071 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-04-28 18:56:19,074 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-04-28 18:56:19,087 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 18:56:19,087 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1784003701] [2021-04-28 18:56:19,087 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 18:56:19,087 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-04-28 18:56:19,087 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [137464421] [2021-04-28 18:56:19,088 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-04-28 18:56:19,088 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 18:56:19,089 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-04-28 18:56:19,089 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-04-28 18:56:19,091 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 235 out of 414 [2021-04-28 18:56:19,093 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 75 places, 77 transitions, 338 flow. Second operand has 4 states, 4 states have (on average 236.25) internal successors, (945), 4 states have internal predecessors, (945), 0 states have call successors, (0), 0 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 18:56:19,093 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 18:56:19,093 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 235 of 414 [2021-04-28 18:56:19,093 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 18:56:19,245 INFO L129 PetriNetUnfolder]: 188/705 cut-off events. [2021-04-28 18:56:19,245 INFO L130 PetriNetUnfolder]: For 651/1031 co-relation queries the response was YES. [2021-04-28 18:56:19,250 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1868 conditions, 705 events. 188/705 cut-off events. For 651/1031 co-relation queries the response was YES. Maximal size of possible extension queue 80. Compared 5339 event pairs, 22 based on Foata normal form. 23/528 useless extension candidates. Maximal degree in co-relation 1850. Up to 207 conditions per place. [2021-04-28 18:56:19,257 INFO L132 encePairwiseOnDemand]: 405/414 looper letters, 34 selfloop transitions, 15 changer transitions 0/93 dead transitions. [2021-04-28 18:56:19,257 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 78 places, 93 transitions, 548 flow [2021-04-28 18:56:19,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-04-28 18:56:19,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-04-28 18:56:19,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 962 transitions. [2021-04-28 18:56:19,262 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5809178743961353 [2021-04-28 18:56:19,262 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 962 transitions. [2021-04-28 18:56:19,262 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 962 transitions. [2021-04-28 18:56:19,263 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 18:56:19,263 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 962 transitions. [2021-04-28 18:56:19,266 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 240.5) internal successors, (962), 4 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 18:56:19,271 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 414.0) internal successors, (2070), 5 states have internal predecessors, (2070), 0 states have call successors, (0), 0 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 18:56:19,272 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 414.0) internal successors, (2070), 5 states have internal predecessors, (2070), 0 states have call successors, (0), 0 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 18:56:19,272 INFO L185 Difference]: Start difference. First operand has 75 places, 77 transitions, 338 flow. Second operand 4 states and 962 transitions. [2021-04-28 18:56:19,272 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 78 places, 93 transitions, 548 flow [2021-04-28 18:56:19,277 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 77 places, 93 transitions, 543 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-04-28 18:56:19,281 INFO L241 Difference]: Finished difference. Result has 80 places, 86 transitions, 484 flow [2021-04-28 18:56:19,282 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=414, PETRI_DIFFERENCE_MINUEND_FLOW=335, PETRI_DIFFERENCE_MINUEND_PLACES=74, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=77, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=62, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=484, PETRI_PLACES=80, PETRI_TRANSITIONS=86} [2021-04-28 18:56:19,282 INFO L343 CegarLoopForPetriNet]: 157 programPoint places, -77 predicate places. [2021-04-28 18:56:19,282 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 18:56:19,282 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 80 places, 86 transitions, 484 flow [2021-04-28 18:56:19,283 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 80 places, 86 transitions, 484 flow [2021-04-28 18:56:19,284 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 80 places, 86 transitions, 484 flow [2021-04-28 18:56:19,417 INFO L129 PetriNetUnfolder]: 188/697 cut-off events. [2021-04-28 18:56:19,417 INFO L130 PetriNetUnfolder]: For 956/1006 co-relation queries the response was YES. [2021-04-28 18:56:19,422 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1831 conditions, 697 events. 188/697 cut-off events. For 956/1006 co-relation queries the response was YES. Maximal size of possible extension queue 87. Compared 5327 event pairs, 34 based on Foata normal form. 2/506 useless extension candidates. Maximal degree in co-relation 1811. Up to 207 conditions per place. [2021-04-28 18:56:19,438 INFO L146 LiptonReduction]: Number of co-enabled transitions 3182 [2021-04-28 18:56:19,890 INFO L158 LiptonReduction]: Checked pairs total: 2534 [2021-04-28 18:56:19,890 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 18:56:19,890 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 608 [2021-04-28 18:56:19,898 INFO L480 AbstractCegarLoop]: Abstraction has has 80 places, 86 transitions, 484 flow [2021-04-28 18:56:19,899 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 236.25) internal successors, (945), 4 states have internal predecessors, (945), 0 states have call successors, (0), 0 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 18:56:19,899 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 18:56:19,899 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 18:56:19,899 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-04-28 18:56:19,899 INFO L428 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr3INUSE_VIOLATION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 18:56:19,899 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 18:56:19,900 INFO L82 PathProgramCache]: Analyzing trace with hash -1679981116, now seen corresponding path program 1 times [2021-04-28 18:56:19,900 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 18:56:19,900 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1484769403] [2021-04-28 18:56:19,900 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 18:56:19,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 18:56:19,992 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 18:56:19,992 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 18:56:20,000 INFO L142 QuantifierPusher]: treesize reduction 11, result has 54.2 percent of original size [2021-04-28 18:56:20,002 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-28 18:56:20,010 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 18:56:20,011 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 18:56:20,012 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 18:56:20,012 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1484769403] [2021-04-28 18:56:20,012 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 18:56:20,012 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-04-28 18:56:20,012 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1590597207] [2021-04-28 18:56:20,013 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-04-28 18:56:20,013 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 18:56:20,013 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-04-28 18:56:20,014 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-04-28 18:56:20,016 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 318 out of 414 [2021-04-28 18:56:20,017 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 80 places, 86 transitions, 484 flow. Second operand has 4 states, 4 states have (on average 318.75) internal successors, (1275), 4 states have internal predecessors, (1275), 0 states have call successors, (0), 0 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 18:56:20,017 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 18:56:20,017 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 318 of 414 [2021-04-28 18:56:20,018 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 18:56:28,879 INFO L129 PetriNetUnfolder]: 53569/81565 cut-off events. [2021-04-28 18:56:28,879 INFO L130 PetriNetUnfolder]: For 9463/10568 co-relation queries the response was YES. [2021-04-28 18:56:29,422 INFO L84 FinitePrefix]: Finished finitePrefix Result has 166825 conditions, 81565 events. 53569/81565 cut-off events. For 9463/10568 co-relation queries the response was YES. Maximal size of possible extension queue 14442. Compared 817604 event pairs, 27364 based on Foata normal form. 1578/24312 useless extension candidates. Maximal degree in co-relation 166803. Up to 51886 conditions per place. [2021-04-28 18:56:29,836 INFO L132 encePairwiseOnDemand]: 394/414 looper letters, 34 selfloop transitions, 33 changer transitions 0/130 dead transitions. [2021-04-28 18:56:29,836 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 84 places, 130 transitions, 706 flow [2021-04-28 18:56:29,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-04-28 18:56:29,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-04-28 18:56:29,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1656 transitions. [2021-04-28 18:56:29,843 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8 [2021-04-28 18:56:29,843 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 1656 transitions. [2021-04-28 18:56:29,843 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 1656 transitions. [2021-04-28 18:56:29,845 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 18:56:29,845 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 1656 transitions. [2021-04-28 18:56:29,849 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 331.2) internal successors, (1656), 5 states have internal predecessors, (1656), 0 states have call successors, (0), 0 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 18:56:29,854 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 414.0) internal successors, (2484), 6 states have internal predecessors, (2484), 0 states have call successors, (0), 0 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 18:56:29,856 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 414.0) internal successors, (2484), 6 states have internal predecessors, (2484), 0 states have call successors, (0), 0 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 18:56:29,856 INFO L185 Difference]: Start difference. First operand has 80 places, 86 transitions, 484 flow. Second operand 5 states and 1656 transitions. [2021-04-28 18:56:29,856 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 84 places, 130 transitions, 706 flow [2021-04-28 18:56:29,867 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 83 places, 130 transitions, 702 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-04-28 18:56:29,870 INFO L241 Difference]: Finished difference. Result has 86 places, 117 transitions, 726 flow [2021-04-28 18:56:29,871 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=414, PETRI_DIFFERENCE_MINUEND_FLOW=480, PETRI_DIFFERENCE_MINUEND_PLACES=79, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=86, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=66, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=726, PETRI_PLACES=86, PETRI_TRANSITIONS=117} [2021-04-28 18:56:29,871 INFO L343 CegarLoopForPetriNet]: 157 programPoint places, -71 predicate places. [2021-04-28 18:56:29,871 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 18:56:29,871 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 86 places, 117 transitions, 726 flow [2021-04-28 18:56:29,872 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 86 places, 117 transitions, 726 flow [2021-04-28 18:56:29,873 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 86 places, 117 transitions, 726 flow [2021-04-28 18:56:37,322 INFO L129 PetriNetUnfolder]: 50473/78063 cut-off events. [2021-04-28 18:56:37,322 INFO L130 PetriNetUnfolder]: For 22495/63273 co-relation queries the response was YES. [2021-04-28 18:56:37,680 INFO L84 FinitePrefix]: Finished finitePrefix Result has 224924 conditions, 78063 events. 50473/78063 cut-off events. For 22495/63273 co-relation queries the response was YES. Maximal size of possible extension queue 12767. Compared 798690 event pairs, 26958 based on Foata normal form. 26/23342 useless extension candidates. Maximal degree in co-relation 224900. Up to 73058 conditions per place. [2021-04-28 18:56:38,560 INFO L146 LiptonReduction]: Number of co-enabled transitions 5154 [2021-04-28 18:58:39,855 INFO L158 LiptonReduction]: Checked pairs total: 4326 [2021-04-28 18:58:39,856 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 18:58:39,856 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 129985 [2021-04-28 18:58:39,857 INFO L480 AbstractCegarLoop]: Abstraction has has 86 places, 117 transitions, 726 flow [2021-04-28 18:58:39,858 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 318.75) internal successors, (1275), 4 states have internal predecessors, (1275), 0 states have call successors, (0), 0 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 18:58:39,858 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 18:58:39,858 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 18:58:39,858 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-04-28 18:58:39,859 INFO L428 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr3INUSE_VIOLATION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 18:58:39,859 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 18:58:39,859 INFO L82 PathProgramCache]: Analyzing trace with hash -1722631325, now seen corresponding path program 1 times [2021-04-28 18:58:39,859 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 18:58:39,859 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1497270431] [2021-04-28 18:58:39,859 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 18:58:39,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 18:58:39,914 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 18:58:39,915 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 18:58:39,918 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 18:58:39,918 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 18:58:39,923 INFO L142 QuantifierPusher]: treesize reduction 11, result has 54.2 percent of original size [2021-04-28 18:58:39,924 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-28 18:58:39,933 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 18:58:39,933 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 18:58:39,934 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 18:58:39,934 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1497270431] [2021-04-28 18:58:39,934 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 18:58:39,934 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-04-28 18:58:39,934 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2146914195] [2021-04-28 18:58:39,936 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-04-28 18:58:39,936 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 18:58:39,936 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-04-28 18:58:39,936 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-04-28 18:58:39,939 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 318 out of 414 [2021-04-28 18:58:39,940 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 86 places, 117 transitions, 726 flow. Second operand has 5 states, 5 states have (on average 318.8) internal successors, (1594), 5 states have internal predecessors, (1594), 0 states have call successors, (0), 0 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 18:58:39,940 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 18:58:39,941 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 318 of 414 [2021-04-28 18:58:39,941 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 18:58:48,507 INFO L129 PetriNetUnfolder]: 56596/91948 cut-off events. [2021-04-28 18:58:48,508 INFO L130 PetriNetUnfolder]: For 36689/596157 co-relation queries the response was YES. [2021-04-28 18:58:50,245 INFO L84 FinitePrefix]: Finished finitePrefix Result has 352807 conditions, 91948 events. 56596/91948 cut-off events. For 36689/596157 co-relation queries the response was YES. Maximal size of possible extension queue 17247. Compared 996481 event pairs, 10147 based on Foata normal form. 2025/31192 useless extension candidates. Maximal degree in co-relation 352781. Up to 84617 conditions per place. [2021-04-28 18:58:50,651 INFO L132 encePairwiseOnDemand]: 394/414 looper letters, 35 selfloop transitions, 64 changer transitions 0/162 dead transitions. [2021-04-28 18:58:50,651 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 92 places, 162 transitions, 1173 flow [2021-04-28 18:58:50,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-04-28 18:58:50,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-04-28 18:58:50,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 2322 transitions. [2021-04-28 18:58:50,660 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8012422360248447 [2021-04-28 18:58:50,660 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 2322 transitions. [2021-04-28 18:58:50,660 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 2322 transitions. [2021-04-28 18:58:50,662 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 18:58:50,662 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 2322 transitions. [2021-04-28 18:58:50,669 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 331.7142857142857) internal successors, (2322), 7 states have internal predecessors, (2322), 0 states have call successors, (0), 0 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 18:58:50,675 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 414.0) internal successors, (3312), 8 states have internal predecessors, (3312), 0 states have call successors, (0), 0 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 18:58:50,677 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 414.0) internal successors, (3312), 8 states have internal predecessors, (3312), 0 states have call successors, (0), 0 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 18:58:50,677 INFO L185 Difference]: Start difference. First operand has 86 places, 117 transitions, 726 flow. Second operand 7 states and 2322 transitions. [2021-04-28 18:58:50,677 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 92 places, 162 transitions, 1173 flow [2021-04-28 18:58:50,828 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 92 places, 162 transitions, 1173 flow, removed 0 selfloop flow, removed 0 redundant places. [2021-04-28 18:58:50,831 INFO L241 Difference]: Finished difference. Result has 95 places, 148 transitions, 1168 flow [2021-04-28 18:58:50,831 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=414, PETRI_DIFFERENCE_MINUEND_FLOW=726, PETRI_DIFFERENCE_MINUEND_PLACES=86, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=117, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=33, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=66, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=1168, PETRI_PLACES=95, PETRI_TRANSITIONS=148} [2021-04-28 18:58:50,831 INFO L343 CegarLoopForPetriNet]: 157 programPoint places, -62 predicate places. [2021-04-28 18:58:50,831 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 18:58:50,832 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 95 places, 148 transitions, 1168 flow [2021-04-28 18:58:50,832 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 95 places, 148 transitions, 1168 flow [2021-04-28 18:58:50,833 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 95 places, 148 transitions, 1168 flow [2021-04-28 18:59:01,159 INFO L129 PetriNetUnfolder]: 52966/88205 cut-off events. [2021-04-28 18:59:01,159 INFO L130 PetriNetUnfolder]: For 174657/292218 co-relation queries the response was YES. [2021-04-28 18:59:01,657 INFO L84 FinitePrefix]: Finished finitePrefix Result has 415945 conditions, 88205 events. 52966/88205 cut-off events. For 174657/292218 co-relation queries the response was YES. Maximal size of possible extension queue 15857. Compared 1006633 event pairs, 9917 based on Foata normal form. 72/27312 useless extension candidates. Maximal degree in co-relation 415916. Up to 82976 conditions per place. [2021-04-28 18:59:02,648 INFO L146 LiptonReduction]: Number of co-enabled transitions 7018 [2021-04-28 19:01:26,215 INFO L158 LiptonReduction]: Checked pairs total: 8182 [2021-04-28 19:01:26,215 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 19:01:26,215 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 155384 [2021-04-28 19:01:26,217 INFO L480 AbstractCegarLoop]: Abstraction has has 95 places, 148 transitions, 1168 flow [2021-04-28 19:01:26,217 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 318.8) internal successors, (1594), 5 states have internal predecessors, (1594), 0 states have call successors, (0), 0 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 19:01:26,218 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 19:01:26,218 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 19:01:26,218 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-04-28 19:01:26,218 INFO L428 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr3INUSE_VIOLATION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 19:01:26,218 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 19:01:26,218 INFO L82 PathProgramCache]: Analyzing trace with hash -936874782, now seen corresponding path program 1 times [2021-04-28 19:01:26,219 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 19:01:26,219 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1845770948] [2021-04-28 19:01:26,219 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 19:01:26,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 19:01:26,305 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 19:01:26,305 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 19:01:26,309 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 19:01:26,309 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 19:01:26,313 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 19:01:26,314 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 19:01:26,320 INFO L142 QuantifierPusher]: treesize reduction 11, result has 54.2 percent of original size [2021-04-28 19:01:26,321 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-28 19:01:26,331 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 19:01:26,331 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 19:01:26,332 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 19:01:26,332 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1845770948] [2021-04-28 19:01:26,332 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 19:01:26,332 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-04-28 19:01:26,332 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [822528426] [2021-04-28 19:01:26,332 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-04-28 19:01:26,333 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 19:01:26,333 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-04-28 19:01:26,333 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-04-28 19:01:26,336 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 318 out of 414 [2021-04-28 19:01:26,338 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 95 places, 148 transitions, 1168 flow. Second operand has 6 states, 6 states have (on average 318.8333333333333) internal successors, (1913), 6 states have internal predecessors, (1913), 0 states have call successors, (0), 0 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 19:01:26,338 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 19:01:26,338 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 318 of 414 [2021-04-28 19:01:26,338 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 19:01:38,325 INFO L129 PetriNetUnfolder]: 51862/89815 cut-off events. [2021-04-28 19:01:38,325 INFO L130 PetriNetUnfolder]: For 97297/1116626 co-relation queries the response was YES. [2021-04-28 19:01:39,184 INFO L84 FinitePrefix]: Finished finitePrefix Result has 507538 conditions, 89815 events. 51862/89815 cut-off events. For 97297/1116626 co-relation queries the response was YES. Maximal size of possible extension queue 16758. Compared 1042066 event pairs, 1453 based on Foata normal form. 2133/30220 useless extension candidates. Maximal degree in co-relation 507507. Up to 83627 conditions per place. [2021-04-28 19:01:39,480 INFO L132 encePairwiseOnDemand]: 394/414 looper letters, 24 selfloop transitions, 95 changer transitions 12/194 dead transitions. [2021-04-28 19:01:39,480 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 103 places, 194 transitions, 1840 flow [2021-04-28 19:01:39,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-04-28 19:01:39,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-04-28 19:01:39,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 2988 transitions. [2021-04-28 19:01:39,489 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8019323671497585 [2021-04-28 19:01:39,489 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 2988 transitions. [2021-04-28 19:01:39,489 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 2988 transitions. [2021-04-28 19:01:39,492 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 19:01:39,492 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 2988 transitions. [2021-04-28 19:01:39,499 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 332.0) internal successors, (2988), 9 states have internal predecessors, (2988), 0 states have call successors, (0), 0 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 19:01:39,507 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 414.0) internal successors, (4140), 10 states have internal predecessors, (4140), 0 states have call successors, (0), 0 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 19:01:39,509 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 414.0) internal successors, (4140), 10 states have internal predecessors, (4140), 0 states have call successors, (0), 0 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 19:01:39,509 INFO L185 Difference]: Start difference. First operand has 95 places, 148 transitions, 1168 flow. Second operand 9 states and 2988 transitions. [2021-04-28 19:01:39,509 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 103 places, 194 transitions, 1840 flow [2021-04-28 19:02:09,968 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 100 places, 194 transitions, 1677 flow, removed 54 selfloop flow, removed 3 redundant places. [2021-04-28 19:02:09,973 INFO L241 Difference]: Finished difference. Result has 103 places, 179 transitions, 1596 flow [2021-04-28 19:02:09,974 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=414, PETRI_DIFFERENCE_MINUEND_FLOW=1006, PETRI_DIFFERENCE_MINUEND_PLACES=92, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=148, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=76, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=66, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=1596, PETRI_PLACES=103, PETRI_TRANSITIONS=179} [2021-04-28 19:02:09,974 INFO L343 CegarLoopForPetriNet]: 157 programPoint places, -54 predicate places. [2021-04-28 19:02:09,974 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 19:02:09,974 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 103 places, 179 transitions, 1596 flow [2021-04-28 19:02:09,975 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 103 places, 179 transitions, 1596 flow [2021-04-28 19:02:09,976 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 103 places, 179 transitions, 1596 flow [2021-04-28 19:02:19,242 INFO L129 PetriNetUnfolder]: 40252/75310 cut-off events. [2021-04-28 19:02:19,242 INFO L130 PetriNetUnfolder]: For 323631/406186 co-relation queries the response was YES. [2021-04-28 19:02:19,774 INFO L84 FinitePrefix]: Finished finitePrefix Result has 429063 conditions, 75310 events. 40252/75310 cut-off events. For 323631/406186 co-relation queries the response was YES. Maximal size of possible extension queue 15458. Compared 963794 event pairs, 1339 based on Foata normal form. 3/22907 useless extension candidates. Maximal degree in co-relation 429031. Up to 59239 conditions per place. [2021-04-28 19:02:20,901 INFO L146 LiptonReduction]: Number of co-enabled transitions 7802 Received shutdown request... Cannot interrupt operation gracefully because timeout expired. Forcing shutdown