/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/mix036_power.oepc.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-6f4246e9f5583d222ebb38ff8175c901f3a528f0-6f4246e [2021-04-28 20:12:50,635 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-04-28 20:12:50,638 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-04-28 20:12:50,672 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-04-28 20:12:50,673 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-04-28 20:12:50,674 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-04-28 20:12:50,676 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-04-28 20:12:50,679 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-04-28 20:12:50,681 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-04-28 20:12:50,682 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-04-28 20:12:50,684 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-04-28 20:12:50,685 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-04-28 20:12:50,686 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-04-28 20:12:50,687 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-04-28 20:12:50,688 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-04-28 20:12:50,690 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-04-28 20:12:50,691 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-04-28 20:12:50,692 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-04-28 20:12:50,694 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-04-28 20:12:50,697 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-04-28 20:12:50,699 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-04-28 20:12:50,700 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-04-28 20:12:50,702 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-04-28 20:12:50,703 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-04-28 20:12:50,706 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-04-28 20:12:50,710 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-04-28 20:12:50,714 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-04-28 20:12:50,716 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-04-28 20:12:50,717 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-04-28 20:12:50,721 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-04-28 20:12:50,722 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-04-28 20:12:50,723 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-04-28 20:12:50,724 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-04-28 20:12:50,724 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-04-28 20:12:50,726 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-04-28 20:12:50,727 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-04-28 20:12:50,729 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 20:12:50,785 INFO L113 SettingsManager]: Loading preferences was successful [2021-04-28 20:12:50,785 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-04-28 20:12:50,786 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-04-28 20:12:50,787 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-04-28 20:12:50,788 INFO L138 SettingsManager]: * Use SBE=true [2021-04-28 20:12:50,788 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-04-28 20:12:50,788 INFO L138 SettingsManager]: * sizeof long=4 [2021-04-28 20:12:50,788 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-04-28 20:12:50,789 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-04-28 20:12:50,789 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-04-28 20:12:50,789 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-04-28 20:12:50,789 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-04-28 20:12:50,789 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-04-28 20:12:50,790 INFO L138 SettingsManager]: * sizeof long double=12 [2021-04-28 20:12:50,790 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-04-28 20:12:50,791 INFO L138 SettingsManager]: * Use constant arrays=true [2021-04-28 20:12:50,791 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-04-28 20:12:50,792 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-04-28 20:12:50,792 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-04-28 20:12:50,792 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-04-28 20:12:50,792 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-04-28 20:12:50,792 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-04-28 20:12:50,793 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-04-28 20:12:50,793 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-04-28 20:12:50,793 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-04-28 20:12:50,793 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-04-28 20:12:50,794 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-04-28 20:12:50,794 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=SEMANTIC_BASED_MOVER_CHECK_WITH_PREDICATES [2021-04-28 20:12:50,794 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-04-28 20:12:50,794 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-04-28 20:12:50,794 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-04-28 20:12:51,197 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-04-28 20:12:51,224 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-04-28 20:12:51,227 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-04-28 20:12:51,229 INFO L271 PluginConnector]: Initializing CDTParser... [2021-04-28 20:12:51,230 INFO L275 PluginConnector]: CDTParser initialized [2021-04-28 20:12:51,231 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/mix036_power.oepc.i [2021-04-28 20:12:51,314 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d7d7185b5/0df0fd6e57a84eb09436c078acbd017a/FLAG58ddc4c3d [2021-04-28 20:12:52,006 INFO L306 CDTParser]: Found 1 translation units. [2021-04-28 20:12:52,006 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix036_power.oepc.i [2021-04-28 20:12:52,044 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d7d7185b5/0df0fd6e57a84eb09436c078acbd017a/FLAG58ddc4c3d [2021-04-28 20:12:52,281 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d7d7185b5/0df0fd6e57a84eb09436c078acbd017a [2021-04-28 20:12:52,285 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-04-28 20:12:52,330 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-04-28 20:12:52,333 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-04-28 20:12:52,334 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-04-28 20:12:52,337 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-04-28 20:12:52,338 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.04 08:12:52" (1/1) ... [2021-04-28 20:12:52,339 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5070ae43 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 08:12:52, skipping insertion in model container [2021-04-28 20:12:52,340 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.04 08:12:52" (1/1) ... [2021-04-28 20:12:52,348 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-04-28 20:12:52,396 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-04-28 20:12:52,573 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/mix036_power.oepc.i[951,964] [2021-04-28 20:12:52,878 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-04-28 20:12:52,899 INFO L203 MainTranslator]: Completed pre-run [2021-04-28 20:12:52,916 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/mix036_power.oepc.i[951,964] [2021-04-28 20:12:53,035 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-04-28 20:12:53,194 INFO L208 MainTranslator]: Completed translation [2021-04-28 20:12:53,195 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 08:12:53 WrapperNode [2021-04-28 20:12:53,198 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-04-28 20:12:53,201 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-04-28 20:12:53,202 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-04-28 20:12:53,202 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-04-28 20:12:53,211 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 08:12:53" (1/1) ... [2021-04-28 20:12:53,263 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 08:12:53" (1/1) ... [2021-04-28 20:12:53,327 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-04-28 20:12:53,328 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-04-28 20:12:53,329 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-04-28 20:12:53,329 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-04-28 20:12:53,345 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 08:12:53" (1/1) ... [2021-04-28 20:12:53,345 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 08:12:53" (1/1) ... [2021-04-28 20:12:53,356 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 08:12:53" (1/1) ... [2021-04-28 20:12:53,357 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 08:12:53" (1/1) ... [2021-04-28 20:12:53,383 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 08:12:53" (1/1) ... [2021-04-28 20:12:53,390 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 08:12:53" (1/1) ... [2021-04-28 20:12:53,397 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 08:12:53" (1/1) ... [2021-04-28 20:12:53,411 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-04-28 20:12:53,412 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-04-28 20:12:53,412 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-04-28 20:12:53,412 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-04-28 20:12:53,413 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 08:12:53" (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 20:12:53,523 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-04-28 20:12:53,524 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-04-28 20:12:53,524 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-04-28 20:12:53,525 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-04-28 20:12:53,525 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-04-28 20:12:53,526 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-04-28 20:12:53,527 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-04-28 20:12:53,527 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-04-28 20:12:53,527 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2021-04-28 20:12:53,527 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2021-04-28 20:12:53,528 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2021-04-28 20:12:53,528 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2021-04-28 20:12:53,528 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-04-28 20:12:53,528 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-04-28 20:12:53,528 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-04-28 20:12:53,528 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-04-28 20:12:53,531 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 20:12:56,256 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-04-28 20:12:56,256 INFO L299 CfgBuilder]: Removed 10 assume(true) statements. [2021-04-28 20:12:56,258 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.04 08:12:56 BoogieIcfgContainer [2021-04-28 20:12:56,258 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-04-28 20:12:56,260 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-04-28 20:12:56,260 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-04-28 20:12:56,264 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-04-28 20:12:56,264 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.04 08:12:52" (1/3) ... [2021-04-28 20:12:56,265 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@53dcb55a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.04 08:12:56, skipping insertion in model container [2021-04-28 20:12:56,265 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 08:12:53" (2/3) ... [2021-04-28 20:12:56,265 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@53dcb55a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.04 08:12:56, skipping insertion in model container [2021-04-28 20:12:56,265 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.04 08:12:56" (3/3) ... [2021-04-28 20:12:56,267 INFO L111 eAbstractionObserver]: Analyzing ICFG mix036_power.oepc.i [2021-04-28 20:12:56,275 INFO L149 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-04-28 20:12:56,280 INFO L161 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2021-04-28 20:12:56,282 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-04-28 20:12:56,326 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:12:56,327 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:12:56,327 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:12:56,327 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:12:56,327 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:12:56,327 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:12:56,328 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:12:56,328 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:12:56,328 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:12:56,328 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:12:56,329 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:12:56,329 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:12:56,329 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:12:56,329 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:12:56,329 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:12:56,330 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:12:56,330 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:12:56,330 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:12:56,330 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:12:56,330 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:12:56,331 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:12:56,331 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:12:56,331 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:12:56,331 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:12:56,332 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:12:56,332 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:12:56,332 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:12:56,332 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:12:56,332 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:12:56,332 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:12:56,333 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:12:56,333 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:12:56,333 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:12:56,333 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:12:56,334 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:12:56,334 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:12:56,334 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:12:56,334 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:12:56,335 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:12:56,335 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:12:56,335 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:12:56,335 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:12:56,335 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:12:56,335 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:12:56,336 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:12:56,336 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:12:56,336 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:12:56,336 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:12:56,336 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:12:56,337 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:12:56,337 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:12:56,337 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:12:56,337 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:12:56,337 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:12:56,338 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:12:56,338 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:12:56,338 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:12:56,339 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:12:56,339 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:12:56,339 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:12:56,339 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:12:56,339 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:12:56,340 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:12:56,340 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:12:56,340 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:12:56,340 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:12:56,340 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:12:56,340 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:12:56,341 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:12:56,341 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:12:56,341 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:12:56,341 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:12:56,341 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:12:56,342 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:12:56,342 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:12:56,342 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:12:56,342 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:12:56,343 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:12:56,343 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:12:56,343 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:12:56,343 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:12:56,343 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:12:56,344 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:12:56,344 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:12:56,344 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:12:56,344 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:12:56,345 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:12:56,345 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:12:56,345 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:12:56,345 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:12:56,345 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:12:56,346 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:12:56,346 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:12:56,346 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:12:56,346 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:12:56,346 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:12:56,347 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:12:56,347 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:12:56,347 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:12:56,347 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:12:56,347 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:12:56,347 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:12:56,348 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:12:56,348 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:12:56,348 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:12:56,348 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~nondet23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:12:56,348 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~nondet24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:12:56,348 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:12:56,349 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:12:56,349 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:12:56,349 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:12:56,349 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:12:56,349 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:12:56,349 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:12:56,349 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:12:56,350 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:12:56,350 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:12:56,350 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:12:56,350 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:12:56,350 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~nondet23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:12:56,350 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~nondet24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:12:56,351 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:12:56,351 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:12:56,351 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:12:56,351 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:12:56,351 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:12:56,351 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:12:56,351 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:12:56,352 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:12:56,352 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:12:56,352 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:12:56,352 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:12:56,354 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:12:56,354 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:12:56,354 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:12:56,355 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:12:56,355 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:12:56,355 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:12:56,355 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:12:56,355 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:12:56,355 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:12:56,355 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:12:56,356 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:12:56,356 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~nondet23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:12:56,356 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~nondet24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:12:56,356 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:12:56,356 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:12:56,356 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:12:56,356 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:12:56,357 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:12:56,357 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:12:56,357 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:12:56,357 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:12:56,357 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:12:56,357 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:12:56,357 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:12:56,358 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:12:56,358 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~nondet23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:12:56,358 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~nondet24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:12:56,358 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:12:56,358 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:12:56,358 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:12:56,358 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:12:56,359 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:12:56,359 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:12:56,359 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:12:56,359 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:12:56,359 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:12:56,359 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:12:56,359 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:12:56,361 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:12:56,362 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:12:56,362 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:12:56,362 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:12:56,362 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:12:56,362 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:12:56,363 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:12:56,363 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:12:56,363 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:12:56,363 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:12:56,364 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:12:56,364 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:12:56,364 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:12:56,364 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:12:56,365 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:12:56,365 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:12:56,365 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:12:56,365 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:12:56,368 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:12:56,368 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:12:56,368 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:12:56,368 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:12:56,369 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:12:56,369 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:12:56,369 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:12:56,369 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:12:56,369 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:12:56,369 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:12:56,370 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:12:56,370 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:12:56,370 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:12:56,370 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:12:56,370 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:12:56,370 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:12:56,371 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:12:56,371 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:12:56,371 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:12:56,371 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:12:56,371 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:12:56,372 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:12:56,372 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~nondet24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:12:56,372 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:12:56,372 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:12:56,372 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:12:56,373 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~nondet23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:12:56,373 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:12:56,373 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:12:56,373 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:12:56,373 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:12:56,373 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:12:56,374 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:12:56,376 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:12:56,376 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:12:56,376 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:12:56,377 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:12:56,377 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:12:56,377 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:12:56,377 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:12:56,377 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:12:56,377 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:12:56,378 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:12:56,378 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:12:56,378 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:12:56,380 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:12:56,380 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:12:56,380 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:12:56,380 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:12:56,380 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:12:56,381 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:12:56,381 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:12:56,381 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:12:56,381 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:12:56,381 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:12:56,383 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:12:56,383 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:12:56,383 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:12:56,383 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:12:56,384 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:12:56,384 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:12:56,384 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:12:56,384 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:12:56,384 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:12:56,385 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:12:56,386 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-04-28 20:12:56,410 INFO L253 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2021-04-28 20:12:56,436 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-04-28 20:12:56,437 INFO L377 AbstractCegarLoop]: Hoare is false [2021-04-28 20:12:56,437 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-04-28 20:12:56,437 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-04-28 20:12:56,437 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-04-28 20:12:56,437 INFO L381 AbstractCegarLoop]: Difference is false [2021-04-28 20:12:56,437 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-04-28 20:12:56,437 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-04-28 20:12:56,453 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 132 places, 121 transitions, 262 flow [2021-04-28 20:12:56,513 INFO L129 PetriNetUnfolder]: 2/117 cut-off events. [2021-04-28 20:12:56,513 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 20:12:56,519 INFO L84 FinitePrefix]: Finished finitePrefix Result has 130 conditions, 117 events. 2/117 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 91 event pairs, 0 based on Foata normal form. 0/113 useless extension candidates. Maximal degree in co-relation 78. Up to 2 conditions per place. [2021-04-28 20:12:56,520 INFO L82 GeneralOperation]: Start removeDead. Operand has 132 places, 121 transitions, 262 flow [2021-04-28 20:12:56,527 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 128 places, 117 transitions, 246 flow [2021-04-28 20:12:56,529 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 20:12:56,551 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 128 places, 117 transitions, 246 flow [2021-04-28 20:12:56,557 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 128 places, 117 transitions, 246 flow [2021-04-28 20:12:56,564 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 128 places, 117 transitions, 246 flow [2021-04-28 20:12:56,621 INFO L129 PetriNetUnfolder]: 2/117 cut-off events. [2021-04-28 20:12:56,622 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 20:12:56,624 INFO L84 FinitePrefix]: Finished finitePrefix Result has 130 conditions, 117 events. 2/117 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 92 event pairs, 0 based on Foata normal form. 0/113 useless extension candidates. Maximal degree in co-relation 78. Up to 2 conditions per place. [2021-04-28 20:12:56,630 INFO L146 LiptonReduction]: Number of co-enabled transitions 2876 [2021-04-28 20:13:00,663 WARN L205 SmtUtils]: Spent 328.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 60 [2021-04-28 20:13:00,770 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 59 [2021-04-28 20:13:01,269 WARN L205 SmtUtils]: Spent 496.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 83 [2021-04-28 20:13:01,479 WARN L205 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2021-04-28 20:13:02,302 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 43 [2021-04-28 20:13:02,452 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 45 [2021-04-28 20:13:17,088 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 56 [2021-04-28 20:13:18,435 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2021-04-28 20:13:18,547 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2021-04-28 20:13:18,655 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2021-04-28 20:13:18,765 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2021-04-28 20:13:19,191 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-04-28 20:13:19,306 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2021-04-28 20:13:19,420 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2021-04-28 20:13:19,534 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2021-04-28 20:13:19,644 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2021-04-28 20:13:19,853 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2021-04-28 20:13:19,961 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2021-04-28 20:13:20,064 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2021-04-28 20:13:22,135 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2021-04-28 20:13:22,237 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2021-04-28 20:13:23,264 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 87 [2021-04-28 20:13:23,403 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 87 [2021-04-28 20:13:23,541 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 87 [2021-04-28 20:13:23,680 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 87 [2021-04-28 20:13:23,782 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2021-04-28 20:13:23,984 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2021-04-28 20:13:24,382 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2021-04-28 20:13:25,078 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2021-04-28 20:13:25,281 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2021-04-28 20:13:25,528 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 93 [2021-04-28 20:13:25,676 WARN L205 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 93 [2021-04-28 20:13:25,826 WARN L205 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 93 [2021-04-28 20:13:25,976 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 93 [2021-04-28 20:13:26,671 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2021-04-28 20:13:26,888 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-04-28 20:13:27,015 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-04-28 20:13:27,140 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-04-28 20:13:27,264 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-04-28 20:13:27,410 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-28 20:13:27,550 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-28 20:13:27,697 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-28 20:13:27,852 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-28 20:13:28,020 WARN L205 SmtUtils]: Spent 166.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2021-04-28 20:13:28,183 WARN L205 SmtUtils]: Spent 162.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2021-04-28 20:13:28,344 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2021-04-28 20:13:28,508 WARN L205 SmtUtils]: Spent 162.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2021-04-28 20:13:28,624 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2021-04-28 20:13:28,736 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2021-04-28 20:13:28,848 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2021-04-28 20:13:28,959 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2021-04-28 20:13:29,122 WARN L205 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-04-28 20:13:29,276 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-04-28 20:13:29,468 WARN L205 SmtUtils]: Spent 190.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-04-28 20:13:29,643 WARN L205 SmtUtils]: Spent 173.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-04-28 20:13:29,816 WARN L205 SmtUtils]: Spent 171.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-04-28 20:13:29,988 WARN L205 SmtUtils]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-04-28 20:13:30,162 WARN L205 SmtUtils]: Spent 173.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-04-28 20:13:30,339 WARN L205 SmtUtils]: Spent 176.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-04-28 20:13:30,491 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2021-04-28 20:13:30,641 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2021-04-28 20:13:30,785 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2021-04-28 20:13:30,928 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2021-04-28 20:13:31,056 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-04-28 20:13:31,186 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-04-28 20:13:31,308 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-04-28 20:13:31,431 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-04-28 20:13:31,575 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2021-04-28 20:13:31,718 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2021-04-28 20:13:31,868 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2021-04-28 20:13:32,019 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2021-04-28 20:13:32,193 WARN L205 SmtUtils]: Spent 172.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2021-04-28 20:13:32,366 WARN L205 SmtUtils]: Spent 172.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2021-04-28 20:13:32,541 WARN L205 SmtUtils]: Spent 173.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2021-04-28 20:13:32,741 WARN L205 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2021-04-28 20:13:32,861 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2021-04-28 20:13:32,982 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2021-04-28 20:13:33,110 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2021-04-28 20:13:33,238 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2021-04-28 20:13:33,417 WARN L205 SmtUtils]: Spent 176.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2021-04-28 20:13:33,597 WARN L205 SmtUtils]: Spent 175.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2021-04-28 20:13:33,773 WARN L205 SmtUtils]: Spent 174.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2021-04-28 20:13:33,943 WARN L205 SmtUtils]: Spent 169.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2021-04-28 20:13:34,080 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2021-04-28 20:13:34,215 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2021-04-28 20:13:34,345 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2021-04-28 20:13:34,473 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2021-04-28 20:13:34,590 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2021-04-28 20:13:34,707 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2021-04-28 20:13:34,822 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2021-04-28 20:13:34,937 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2021-04-28 20:13:35,067 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-04-28 20:13:35,191 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-04-28 20:13:35,322 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-04-28 20:13:35,451 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-04-28 20:13:35,689 WARN L205 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2021-04-28 20:13:35,885 WARN L205 SmtUtils]: Spent 194.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2021-04-28 20:13:36,101 WARN L205 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2021-04-28 20:13:36,302 WARN L205 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2021-04-28 20:13:36,840 WARN L205 SmtUtils]: Spent 535.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 128 [2021-04-28 20:13:37,093 WARN L205 SmtUtils]: Spent 252.00 ms on a formula simplification that was a NOOP. DAG size: 124 [2021-04-28 20:13:37,626 WARN L205 SmtUtils]: Spent 531.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 128 [2021-04-28 20:13:37,879 WARN L205 SmtUtils]: Spent 251.00 ms on a formula simplification that was a NOOP. DAG size: 124 [2021-04-28 20:13:38,084 WARN L205 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 110 [2021-04-28 20:13:38,291 WARN L205 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 110 [2021-04-28 20:13:38,508 WARN L205 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 110 [2021-04-28 20:13:38,717 WARN L205 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 110 [2021-04-28 20:13:38,928 WARN L205 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 110 [2021-04-28 20:13:39,153 WARN L205 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 110 [2021-04-28 20:13:39,363 WARN L205 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 110 [2021-04-28 20:13:39,575 WARN L205 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 110 [2021-04-28 20:13:39,759 WARN L205 SmtUtils]: Spent 182.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2021-04-28 20:13:39,940 WARN L205 SmtUtils]: Spent 179.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2021-04-28 20:13:40,129 WARN L205 SmtUtils]: Spent 186.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2021-04-28 20:13:40,318 WARN L205 SmtUtils]: Spent 186.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2021-04-28 20:13:40,514 WARN L205 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2021-04-28 20:13:40,708 WARN L205 SmtUtils]: Spent 192.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2021-04-28 20:13:40,904 WARN L205 SmtUtils]: Spent 193.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2021-04-28 20:13:41,101 WARN L205 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2021-04-28 20:13:41,209 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2021-04-28 20:13:41,322 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2021-04-28 20:13:41,436 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2021-04-28 20:13:41,546 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2021-04-28 20:13:41,679 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-04-28 20:13:41,808 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-04-28 20:13:41,939 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-04-28 20:13:42,072 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-04-28 20:13:42,615 WARN L205 SmtUtils]: Spent 541.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 123 [2021-04-28 20:13:42,858 WARN L205 SmtUtils]: Spent 242.00 ms on a formula simplification that was a NOOP. DAG size: 119 [2021-04-28 20:13:43,369 WARN L205 SmtUtils]: Spent 509.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 123 [2021-04-28 20:13:43,612 WARN L205 SmtUtils]: Spent 241.00 ms on a formula simplification that was a NOOP. DAG size: 119 [2021-04-28 20:13:43,814 WARN L205 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2021-04-28 20:13:44,022 WARN L205 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2021-04-28 20:13:44,234 WARN L205 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2021-04-28 20:13:44,447 WARN L205 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2021-04-28 20:13:44,658 WARN L205 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 110 [2021-04-28 20:13:44,872 WARN L205 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 110 [2021-04-28 20:13:45,085 WARN L205 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 110 [2021-04-28 20:13:45,293 WARN L205 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 110 [2021-04-28 20:13:45,501 WARN L205 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 110 [2021-04-28 20:13:45,722 WARN L205 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 110 [2021-04-28 20:13:45,941 WARN L205 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 110 [2021-04-28 20:13:46,156 WARN L205 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 110 [2021-04-28 20:13:46,373 WARN L205 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 110 [2021-04-28 20:13:46,587 WARN L205 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 110 [2021-04-28 20:13:46,800 WARN L205 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 110 [2021-04-28 20:13:47,013 WARN L205 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 110 [2021-04-28 20:13:47,079 INFO L158 LiptonReduction]: Checked pairs total: 29130 [2021-04-28 20:13:47,079 INFO L160 LiptonReduction]: Total number of compositions: 293 [2021-04-28 20:13:47,085 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 50558 [2021-04-28 20:13:47,108 INFO L129 PetriNetUnfolder]: 0/62 cut-off events. [2021-04-28 20:13:47,108 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 20:13:47,109 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 20:13:47,110 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1] [2021-04-28 20:13:47,110 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 20:13:47,116 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 20:13:47,116 INFO L82 PathProgramCache]: Analyzing trace with hash 1400929, now seen corresponding path program 1 times [2021-04-28 20:13:47,126 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 20:13:47,127 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1828288453] [2021-04-28 20:13:47,127 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 20:13:47,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 20:13:47,401 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 20:13:47,402 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 20:13:47,411 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 20:13:47,412 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1828288453] [2021-04-28 20:13:47,413 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 20:13:47,413 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-04-28 20:13:47,413 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1127744902] [2021-04-28 20:13:47,424 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-04-28 20:13:47,425 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 20:13:47,440 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-04-28 20:13:47,444 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-04-28 20:13:47,451 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 316 out of 414 [2021-04-28 20:13:47,460 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 157 places, 145 transitions, 302 flow. Second operand has 3 states, 3 states have (on average 316.6666666666667) internal successors, (950), 3 states have internal predecessors, (950), 0 states have call successors, (0), 0 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 20:13:47,460 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 20:13:47,461 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 316 of 414 [2021-04-28 20:13:47,462 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 20:13:47,740 INFO L129 PetriNetUnfolder]: 133/839 cut-off events. [2021-04-28 20:13:47,741 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 20:13:47,747 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1073 conditions, 839 events. 133/839 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 144. Compared 7526 event pairs, 110 based on Foata normal form. 69/346 useless extension candidates. Maximal degree in co-relation 989. Up to 153 conditions per place. [2021-04-28 20:13:47,755 INFO L132 encePairwiseOnDemand]: 393/414 looper letters, 11 selfloop transitions, 2 changer transitions 60/146 dead transitions. [2021-04-28 20:13:47,755 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 156 places, 146 transitions, 360 flow [2021-04-28 20:13:47,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-04-28 20:13:47,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-04-28 20:13:47,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 983 transitions. [2021-04-28 20:13:47,777 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7914653784219001 [2021-04-28 20:13:47,777 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 983 transitions. [2021-04-28 20:13:47,778 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 983 transitions. [2021-04-28 20:13:47,782 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 20:13:47,785 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 983 transitions. [2021-04-28 20:13:47,792 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 327.6666666666667) internal successors, (983), 3 states have internal predecessors, (983), 0 states have call successors, (0), 0 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 20:13:47,804 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 20:13:47,806 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 20:13:47,808 INFO L185 Difference]: Start difference. First operand has 157 places, 145 transitions, 302 flow. Second operand 3 states and 983 transitions. [2021-04-28 20:13:47,809 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 156 places, 146 transitions, 360 flow [2021-04-28 20:13:47,813 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 152 places, 146 transitions, 356 flow, removed 0 selfloop flow, removed 4 redundant places. [2021-04-28 20:13:47,817 INFO L241 Difference]: Finished difference. Result has 152 places, 81 transitions, 174 flow [2021-04-28 20:13:47,820 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=174, PETRI_PLACES=152, PETRI_TRANSITIONS=81} [2021-04-28 20:13:47,820 INFO L343 CegarLoopForPetriNet]: 157 programPoint places, -5 predicate places. [2021-04-28 20:13:47,821 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 20:13:47,821 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 152 places, 81 transitions, 174 flow [2021-04-28 20:13:47,821 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 152 places, 81 transitions, 174 flow [2021-04-28 20:13:47,822 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 92 places, 81 transitions, 174 flow [2021-04-28 20:13:47,834 INFO L129 PetriNetUnfolder]: 0/81 cut-off events. [2021-04-28 20:13:47,834 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 20:13:47,835 INFO L84 FinitePrefix]: Finished finitePrefix Result has 93 conditions, 81 events. 0/81 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 31. Compared 412 event pairs, 0 based on Foata normal form. 0/29 useless extension candidates. Maximal degree in co-relation 0. Up to 2 conditions per place. [2021-04-28 20:13:47,838 INFO L146 LiptonReduction]: Number of co-enabled transitions 3378 [2021-04-28 20:13:48,315 INFO L158 LiptonReduction]: Checked pairs total: 4380 [2021-04-28 20:13:48,316 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 20:13:48,316 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 495 [2021-04-28 20:13:48,319 INFO L480 AbstractCegarLoop]: Abstraction has has 92 places, 81 transitions, 174 flow [2021-04-28 20:13:48,320 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 316.6666666666667) internal successors, (950), 3 states have internal predecessors, (950), 0 states have call successors, (0), 0 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 20:13:48,320 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 20:13:48,320 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 20:13:48,320 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-04-28 20:13:48,321 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 20:13:48,321 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 20:13:48,321 INFO L82 PathProgramCache]: Analyzing trace with hash 1393165699, now seen corresponding path program 1 times [2021-04-28 20:13:48,322 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 20:13:48,322 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [889677217] [2021-04-28 20:13:48,322 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 20:13:48,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 20:13:48,521 INFO L142 QuantifierPusher]: treesize reduction 3, result has 87.5 percent of original size [2021-04-28 20:13:48,522 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-28 20:13:48,533 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 20:13:48,533 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [889677217] [2021-04-28 20:13:48,534 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 20:13:48,534 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-04-28 20:13:48,534 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1793724171] [2021-04-28 20:13:48,535 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-04-28 20:13:48,535 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 20:13:48,536 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-04-28 20:13:48,536 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-04-28 20:13:48,539 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 268 out of 414 [2021-04-28 20:13:48,540 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 92 places, 81 transitions, 174 flow. Second operand has 3 states, 3 states have (on average 268.6666666666667) internal successors, (806), 3 states have internal predecessors, (806), 0 states have call successors, (0), 0 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 20:13:48,540 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 20:13:48,540 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 268 of 414 [2021-04-28 20:13:48,541 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 20:13:49,348 INFO L129 PetriNetUnfolder]: 1746/4214 cut-off events. [2021-04-28 20:13:49,349 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 20:13:49,370 INFO L84 FinitePrefix]: Finished finitePrefix Result has 6941 conditions, 4214 events. 1746/4214 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 758. Compared 42766 event pairs, 658 based on Foata normal form. 0/2831 useless extension candidates. Maximal degree in co-relation 6932. Up to 2391 conditions per place. [2021-04-28 20:13:49,378 INFO L132 encePairwiseOnDemand]: 392/414 looper letters, 6 selfloop transitions, 5 changer transitions 51/110 dead transitions. [2021-04-28 20:13:49,378 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 94 places, 110 transitions, 356 flow [2021-04-28 20:13:49,379 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-04-28 20:13:49,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-04-28 20:13:49,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 863 transitions. [2021-04-28 20:13:49,382 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6948470209339774 [2021-04-28 20:13:49,383 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 863 transitions. [2021-04-28 20:13:49,383 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 863 transitions. [2021-04-28 20:13:49,384 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 20:13:49,384 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 863 transitions. [2021-04-28 20:13:49,387 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 287.6666666666667) internal successors, (863), 3 states have internal predecessors, (863), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 20:13:49,391 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 20:13:49,393 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 20:13:49,393 INFO L185 Difference]: Start difference. First operand has 92 places, 81 transitions, 174 flow. Second operand 3 states and 863 transitions. [2021-04-28 20:13:49,393 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 94 places, 110 transitions, 356 flow [2021-04-28 20:13:49,395 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 92 places, 110 transitions, 352 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-04-28 20:13:49,397 INFO L241 Difference]: Finished difference. Result has 93 places, 59 transitions, 153 flow [2021-04-28 20:13:49,397 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=414, PETRI_DIFFERENCE_MINUEND_FLOW=170, PETRI_DIFFERENCE_MINUEND_PLACES=90, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=81, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=76, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=153, PETRI_PLACES=93, PETRI_TRANSITIONS=59} [2021-04-28 20:13:49,398 INFO L343 CegarLoopForPetriNet]: 157 programPoint places, -64 predicate places. [2021-04-28 20:13:49,398 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 20:13:49,398 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 93 places, 59 transitions, 153 flow [2021-04-28 20:13:49,399 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 93 places, 59 transitions, 153 flow [2021-04-28 20:13:49,399 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 67 places, 59 transitions, 153 flow [2021-04-28 20:13:49,443 INFO L129 PetriNetUnfolder]: 77/296 cut-off events. [2021-04-28 20:13:49,443 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 20:13:49,445 INFO L84 FinitePrefix]: Finished finitePrefix Result has 435 conditions, 296 events. 77/296 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 36. Compared 1782 event pairs, 43 based on Foata normal form. 0/200 useless extension candidates. Maximal degree in co-relation 427. Up to 124 conditions per place. [2021-04-28 20:13:49,453 INFO L146 LiptonReduction]: Number of co-enabled transitions 1926 [2021-04-28 20:13:49,667 INFO L158 LiptonReduction]: Checked pairs total: 1433 [2021-04-28 20:13:49,667 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 20:13:49,667 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 269 [2021-04-28 20:13:49,669 INFO L480 AbstractCegarLoop]: Abstraction has has 67 places, 59 transitions, 153 flow [2021-04-28 20:13:49,670 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 268.6666666666667) internal successors, (806), 3 states have internal predecessors, (806), 0 states have call successors, (0), 0 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 20:13:49,670 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 20:13:49,670 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 20:13:49,670 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-04-28 20:13:49,671 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 20:13:49,671 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 20:13:49,671 INFO L82 PathProgramCache]: Analyzing trace with hash -1197659627, now seen corresponding path program 1 times [2021-04-28 20:13:49,671 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 20:13:49,672 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [382857383] [2021-04-28 20:13:49,672 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 20:13:49,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 20:13:49,753 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 20:13:49,754 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 20:13:49,758 INFO L142 QuantifierPusher]: treesize reduction 3, result has 87.5 percent of original size [2021-04-28 20:13:49,759 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-28 20:13:49,771 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 20:13:49,771 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [382857383] [2021-04-28 20:13:49,772 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 20:13:49,772 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-04-28 20:13:49,772 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [573032335] [2021-04-28 20:13:49,772 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-04-28 20:13:49,773 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 20:13:49,773 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-04-28 20:13:49,773 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-04-28 20:13:49,776 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 268 out of 414 [2021-04-28 20:13:49,778 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 67 places, 59 transitions, 153 flow. Second operand has 4 states, 4 states have (on average 268.75) internal successors, (1075), 4 states have internal predecessors, (1075), 0 states have call successors, (0), 0 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 20:13:49,778 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 20:13:49,778 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 268 of 414 [2021-04-28 20:13:49,779 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 20:13:49,836 INFO L129 PetriNetUnfolder]: 61/193 cut-off events. [2021-04-28 20:13:49,837 INFO L130 PetriNetUnfolder]: For 18/95 co-relation queries the response was YES. [2021-04-28 20:13:49,838 INFO L84 FinitePrefix]: Finished finitePrefix Result has 411 conditions, 193 events. 61/193 cut-off events. For 18/95 co-relation queries the response was YES. Maximal size of possible extension queue 25. Compared 933 event pairs, 9 based on Foata normal form. 2/142 useless extension candidates. Maximal degree in co-relation 401. Up to 101 conditions per place. [2021-04-28 20:13:49,840 INFO L132 encePairwiseOnDemand]: 411/414 looper letters, 11 selfloop transitions, 3 changer transitions 0/62 dead transitions. [2021-04-28 20:13:49,840 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 69 places, 62 transitions, 193 flow [2021-04-28 20:13:49,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-04-28 20:13:49,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-04-28 20:13:49,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 815 transitions. [2021-04-28 20:13:49,844 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6561996779388084 [2021-04-28 20:13:49,844 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 815 transitions. [2021-04-28 20:13:49,844 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 815 transitions. [2021-04-28 20:13:49,845 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 20:13:49,845 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 815 transitions. [2021-04-28 20:13:49,848 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 271.6666666666667) internal successors, (815), 3 states have internal predecessors, (815), 0 states have call successors, (0), 0 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 20:13:49,852 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 20:13:49,853 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 20:13:49,854 INFO L185 Difference]: Start difference. First operand has 67 places, 59 transitions, 153 flow. Second operand 3 states and 815 transitions. [2021-04-28 20:13:49,854 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 69 places, 62 transitions, 193 flow [2021-04-28 20:13:49,855 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 68 places, 62 transitions, 188 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-04-28 20:13:49,857 INFO L241 Difference]: Finished difference. Result has 69 places, 59 transitions, 159 flow [2021-04-28 20:13:49,857 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=414, PETRI_DIFFERENCE_MINUEND_FLOW=148, PETRI_DIFFERENCE_MINUEND_PLACES=66, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=59, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=56, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=159, PETRI_PLACES=69, PETRI_TRANSITIONS=59} [2021-04-28 20:13:49,858 INFO L343 CegarLoopForPetriNet]: 157 programPoint places, -88 predicate places. [2021-04-28 20:13:49,858 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 20:13:49,858 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 69 places, 59 transitions, 159 flow [2021-04-28 20:13:49,858 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 69 places, 59 transitions, 159 flow [2021-04-28 20:13:49,859 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 69 places, 59 transitions, 159 flow [2021-04-28 20:13:49,896 INFO L129 PetriNetUnfolder]: 61/233 cut-off events. [2021-04-28 20:13:49,896 INFO L130 PetriNetUnfolder]: For 20/20 co-relation queries the response was YES. [2021-04-28 20:13:49,898 INFO L84 FinitePrefix]: Finished finitePrefix Result has 379 conditions, 233 events. 61/233 cut-off events. For 20/20 co-relation queries the response was YES. Maximal size of possible extension queue 29. Compared 1228 event pairs, 29 based on Foata normal form. 0/160 useless extension candidates. Maximal degree in co-relation 369. Up to 101 conditions per place. [2021-04-28 20:13:49,904 INFO L146 LiptonReduction]: Number of co-enabled transitions 1918 [2021-04-28 20:13:49,910 INFO L158 LiptonReduction]: Checked pairs total: 1431 [2021-04-28 20:13:49,911 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 20:13:49,911 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 53 [2021-04-28 20:13:49,913 INFO L480 AbstractCegarLoop]: Abstraction has has 69 places, 59 transitions, 159 flow [2021-04-28 20:13:49,914 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 268.75) internal successors, (1075), 4 states have internal predecessors, (1075), 0 states have call successors, (0), 0 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 20:13:49,914 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 20:13:49,914 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 20:13:49,914 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-04-28 20:13:49,914 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 20:13:49,915 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 20:13:49,915 INFO L82 PathProgramCache]: Analyzing trace with hash -1197661053, now seen corresponding path program 1 times [2021-04-28 20:13:49,915 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 20:13:49,915 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [533565473] [2021-04-28 20:13:49,916 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 20:13:49,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 20:13:49,994 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 20:13:49,994 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 20:13:50,000 INFO L142 QuantifierPusher]: treesize reduction 11, result has 54.2 percent of original size [2021-04-28 20:13:50,001 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-28 20:13:50,010 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 20:13:50,011 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 20:13:50,011 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 20:13:50,011 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [533565473] [2021-04-28 20:13:50,011 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 20:13:50,012 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-04-28 20:13:50,012 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1716067245] [2021-04-28 20:13:50,012 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-04-28 20:13:50,012 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 20:13:50,013 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-04-28 20:13:50,013 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-04-28 20:13:50,016 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 318 out of 414 [2021-04-28 20:13:50,018 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 69 places, 59 transitions, 159 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 20:13:50,018 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 20:13:50,019 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 318 of 414 [2021-04-28 20:13:50,019 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 20:13:54,426 INFO L129 PetriNetUnfolder]: 20996/31137 cut-off events. [2021-04-28 20:13:54,426 INFO L130 PetriNetUnfolder]: For 581/602 co-relation queries the response was YES. [2021-04-28 20:13:54,578 INFO L84 FinitePrefix]: Finished finitePrefix Result has 62762 conditions, 31137 events. 20996/31137 cut-off events. For 581/602 co-relation queries the response was YES. Maximal size of possible extension queue 4435. Compared 262444 event pairs, 11219 based on Foata normal form. 553/9774 useless extension candidates. Maximal degree in co-relation 62750. Up to 19555 conditions per place. [2021-04-28 20:13:54,725 INFO L132 encePairwiseOnDemand]: 394/414 looper letters, 34 selfloop transitions, 33 changer transitions 0/103 dead transitions. [2021-04-28 20:13:54,726 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 73 places, 103 transitions, 381 flow [2021-04-28 20:13:54,726 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-04-28 20:13:54,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-04-28 20:13:54,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1656 transitions. [2021-04-28 20:13:54,732 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8 [2021-04-28 20:13:54,732 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 1656 transitions. [2021-04-28 20:13:54,732 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 1656 transitions. [2021-04-28 20:13:54,734 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 20:13:54,734 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 1656 transitions. [2021-04-28 20:13:54,740 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 20:13:54,746 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 20:13:54,749 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 20:13:54,749 INFO L185 Difference]: Start difference. First operand has 69 places, 59 transitions, 159 flow. Second operand 5 states and 1656 transitions. [2021-04-28 20:13:54,749 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 73 places, 103 transitions, 381 flow [2021-04-28 20:13:54,755 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 71 places, 103 transitions, 375 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-04-28 20:13:54,758 INFO L241 Difference]: Finished difference. Result has 74 places, 90 transitions, 399 flow [2021-04-28 20:13:54,758 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=414, PETRI_DIFFERENCE_MINUEND_FLOW=153, PETRI_DIFFERENCE_MINUEND_PLACES=67, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=59, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=39, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=399, PETRI_PLACES=74, PETRI_TRANSITIONS=90} [2021-04-28 20:13:54,758 INFO L343 CegarLoopForPetriNet]: 157 programPoint places, -83 predicate places. [2021-04-28 20:13:54,758 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 20:13:54,759 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 74 places, 90 transitions, 399 flow [2021-04-28 20:13:54,759 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 74 places, 90 transitions, 399 flow [2021-04-28 20:13:54,760 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 74 places, 90 transitions, 399 flow [2021-04-28 20:13:58,127 INFO L129 PetriNetUnfolder]: 18772/28347 cut-off events. [2021-04-28 20:13:58,127 INFO L130 PetriNetUnfolder]: For 4107/24891 co-relation queries the response was YES. [2021-04-28 20:13:58,289 INFO L84 FinitePrefix]: Finished finitePrefix Result has 80555 conditions, 28347 events. 18772/28347 cut-off events. For 4107/24891 co-relation queries the response was YES. Maximal size of possible extension queue 4484. Compared 245908 event pairs, 10523 based on Foata normal form. 3/8322 useless extension candidates. Maximal degree in co-relation 80542. Up to 26681 conditions per place. [2021-04-28 20:13:58,670 INFO L146 LiptonReduction]: Number of co-enabled transitions 2720 [2021-04-28 20:13:59,992 INFO L158 LiptonReduction]: Checked pairs total: 2915 [2021-04-28 20:13:59,992 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 20:13:59,992 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 5234 [2021-04-28 20:13:59,994 INFO L480 AbstractCegarLoop]: Abstraction has has 74 places, 90 transitions, 399 flow [2021-04-28 20:13:59,995 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 20:13:59,995 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 20:13:59,996 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 20:13:59,996 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-04-28 20:13:59,996 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 20:13:59,996 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 20:13:59,997 INFO L82 PathProgramCache]: Analyzing trace with hash -772361726, now seen corresponding path program 1 times [2021-04-28 20:13:59,997 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 20:13:59,997 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [739948266] [2021-04-28 20:13:59,997 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 20:14:00,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 20:14:00,188 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 20:14:00,189 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 20:14:00,192 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 20:14:00,193 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 20:14:00,198 INFO L142 QuantifierPusher]: treesize reduction 11, result has 54.2 percent of original size [2021-04-28 20:14:00,199 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-28 20:14:00,213 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 20:14:00,213 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 20:14:00,214 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 20:14:00,214 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [739948266] [2021-04-28 20:14:00,214 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 20:14:00,214 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-04-28 20:14:00,214 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [931667765] [2021-04-28 20:14:00,215 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-04-28 20:14:00,215 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 20:14:00,215 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-04-28 20:14:00,216 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-04-28 20:14:00,219 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 318 out of 414 [2021-04-28 20:14:00,221 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 74 places, 90 transitions, 399 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 20:14:00,222 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 20:14:00,222 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 318 of 414 [2021-04-28 20:14:00,222 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 20:14:04,323 INFO L129 PetriNetUnfolder]: 22598/35487 cut-off events. [2021-04-28 20:14:04,324 INFO L130 PetriNetUnfolder]: For 9314/53828 co-relation queries the response was YES. [2021-04-28 20:14:04,460 INFO L84 FinitePrefix]: Finished finitePrefix Result has 135281 conditions, 35487 events. 22598/35487 cut-off events. For 9314/53828 co-relation queries the response was YES. Maximal size of possible extension queue 5583. Compared 317664 event pairs, 4619 based on Foata normal form. 675/12305 useless extension candidates. Maximal degree in co-relation 135266. Up to 32738 conditions per place. [2021-04-28 20:14:04,644 INFO L132 encePairwiseOnDemand]: 394/414 looper letters, 35 selfloop transitions, 64 changer transitions 0/135 dead transitions. [2021-04-28 20:14:04,644 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 80 places, 135 transitions, 846 flow [2021-04-28 20:14:04,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-04-28 20:14:04,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-04-28 20:14:04,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 2322 transitions. [2021-04-28 20:14:04,653 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8012422360248447 [2021-04-28 20:14:04,653 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 2322 transitions. [2021-04-28 20:14:04,653 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 2322 transitions. [2021-04-28 20:14:04,655 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 20:14:04,655 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 2322 transitions. [2021-04-28 20:14:04,663 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 20:14:04,671 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 20:14:04,675 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 20:14:04,675 INFO L185 Difference]: Start difference. First operand has 74 places, 90 transitions, 399 flow. Second operand 7 states and 2322 transitions. [2021-04-28 20:14:04,675 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 80 places, 135 transitions, 846 flow [2021-04-28 20:14:04,885 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 80 places, 135 transitions, 846 flow, removed 0 selfloop flow, removed 0 redundant places. [2021-04-28 20:14:04,889 INFO L241 Difference]: Finished difference. Result has 83 places, 121 transitions, 841 flow [2021-04-28 20:14:04,890 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=414, PETRI_DIFFERENCE_MINUEND_FLOW=399, PETRI_DIFFERENCE_MINUEND_PLACES=74, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=90, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=33, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=39, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=841, PETRI_PLACES=83, PETRI_TRANSITIONS=121} [2021-04-28 20:14:04,890 INFO L343 CegarLoopForPetriNet]: 157 programPoint places, -74 predicate places. [2021-04-28 20:14:04,890 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 20:14:04,891 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 83 places, 121 transitions, 841 flow [2021-04-28 20:14:04,891 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 83 places, 121 transitions, 841 flow [2021-04-28 20:14:04,892 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 83 places, 121 transitions, 841 flow [2021-04-28 20:14:08,173 INFO L129 PetriNetUnfolder]: 20791/33190 cut-off events. [2021-04-28 20:14:08,174 INFO L130 PetriNetUnfolder]: For 47579/147071 co-relation queries the response was YES. [2021-04-28 20:14:08,326 INFO L84 FinitePrefix]: Finished finitePrefix Result has 155240 conditions, 33190 events. 20791/33190 cut-off events. For 47579/147071 co-relation queries the response was YES. Maximal size of possible extension queue 5793. Compared 327540 event pairs, 4445 based on Foata normal form. 18/10445 useless extension candidates. Maximal degree in co-relation 155222. Up to 31070 conditions per place. [2021-04-28 20:14:08,792 INFO L146 LiptonReduction]: Number of co-enabled transitions 3790 [2021-04-28 20:14:20,855 INFO L158 LiptonReduction]: Checked pairs total: 6193 [2021-04-28 20:14:20,855 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 20:14:20,855 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 15965 [2021-04-28 20:14:20,856 INFO L480 AbstractCegarLoop]: Abstraction has has 83 places, 121 transitions, 841 flow [2021-04-28 20:14:20,857 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 20:14:20,857 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 20:14:20,857 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] [2021-04-28 20:14:20,857 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-04-28 20:14:20,858 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 20:14:20,858 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 20:14:20,858 INFO L82 PathProgramCache]: Analyzing trace with hash 1984110525, now seen corresponding path program 1 times [2021-04-28 20:14:20,858 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 20:14:20,858 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [890270601] [2021-04-28 20:14:20,858 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 20:14:20,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 20:14:20,979 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 20:14:20,980 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 20:14:20,983 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 20:14:20,984 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 20:14:20,988 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 20:14:20,989 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 20:14:20,995 INFO L142 QuantifierPusher]: treesize reduction 11, result has 54.2 percent of original size [2021-04-28 20:14:20,996 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-28 20:14:21,006 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 20:14:21,007 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 20:14:21,007 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 20:14:21,007 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [890270601] [2021-04-28 20:14:21,008 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 20:14:21,008 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-04-28 20:14:21,008 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1800782615] [2021-04-28 20:14:21,008 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-04-28 20:14:21,008 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 20:14:21,009 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-04-28 20:14:21,009 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-04-28 20:14:21,012 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 318 out of 414 [2021-04-28 20:14:21,014 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 83 places, 121 transitions, 841 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 20:14:21,014 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 20:14:21,014 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 318 of 414 [2021-04-28 20:14:21,015 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 20:14:24,915 INFO L129 PetriNetUnfolder]: 20978/35001 cut-off events. [2021-04-28 20:14:24,916 INFO L130 PetriNetUnfolder]: For 34939/210808 co-relation queries the response was YES. [2021-04-28 20:14:25,079 INFO L84 FinitePrefix]: Finished finitePrefix Result has 197750 conditions, 35001 events. 20978/35001 cut-off events. For 34939/210808 co-relation queries the response was YES. Maximal size of possible extension queue 5385. Compared 334284 event pairs, 740 based on Foata normal form. 726/12032 useless extension candidates. Maximal degree in co-relation 197730. Up to 32756 conditions per place. [2021-04-28 20:14:25,253 INFO L132 encePairwiseOnDemand]: 394/414 looper letters, 24 selfloop transitions, 95 changer transitions 12/167 dead transitions. [2021-04-28 20:14:25,253 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 91 places, 167 transitions, 1513 flow [2021-04-28 20:14:25,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-04-28 20:14:25,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-04-28 20:14:25,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 2988 transitions. [2021-04-28 20:14:25,264 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8019323671497585 [2021-04-28 20:14:25,264 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 2988 transitions. [2021-04-28 20:14:25,264 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 2988 transitions. [2021-04-28 20:14:25,266 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 20:14:25,267 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 2988 transitions. [2021-04-28 20:14:25,274 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 20:14:25,284 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 20:14:25,289 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 20:14:25,289 INFO L185 Difference]: Start difference. First operand has 83 places, 121 transitions, 841 flow. Second operand 9 states and 2988 transitions. [2021-04-28 20:14:25,289 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 91 places, 167 transitions, 1513 flow [2021-04-28 20:14:28,196 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 88 places, 167 transitions, 1350 flow, removed 54 selfloop flow, removed 3 redundant places. [2021-04-28 20:14:28,202 INFO L241 Difference]: Finished difference. Result has 91 places, 152 transitions, 1269 flow [2021-04-28 20:14:28,202 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=414, PETRI_DIFFERENCE_MINUEND_FLOW=679, PETRI_DIFFERENCE_MINUEND_PLACES=80, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=121, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=76, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=39, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=1269, PETRI_PLACES=91, PETRI_TRANSITIONS=152} [2021-04-28 20:14:28,202 INFO L343 CegarLoopForPetriNet]: 157 programPoint places, -66 predicate places. [2021-04-28 20:14:28,203 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 20:14:28,203 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 91 places, 152 transitions, 1269 flow [2021-04-28 20:14:28,203 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 91 places, 152 transitions, 1269 flow [2021-04-28 20:14:28,205 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 91 places, 152 transitions, 1269 flow [2021-04-28 20:14:30,919 INFO L129 PetriNetUnfolder]: 14927/26983 cut-off events. [2021-04-28 20:14:30,919 INFO L130 PetriNetUnfolder]: For 88483/120707 co-relation queries the response was YES. [2021-04-28 20:14:31,073 INFO L84 FinitePrefix]: Finished finitePrefix Result has 154778 conditions, 26983 events. 14927/26983 cut-off events. For 88483/120707 co-relation queries the response was YES. Maximal size of possible extension queue 5544. Compared 295725 event pairs, 750 based on Foata normal form. 1/8320 useless extension candidates. Maximal degree in co-relation 154757. Up to 21403 conditions per place. [2021-04-28 20:14:31,587 INFO L146 LiptonReduction]: Number of co-enabled transitions 4422 [2021-04-28 20:14:58,524 INFO L158 LiptonReduction]: Checked pairs total: 9843 [2021-04-28 20:14:58,525 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 20:14:58,525 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 30322 [2021-04-28 20:14:58,526 INFO L480 AbstractCegarLoop]: Abstraction has has 91 places, 152 transitions, 1269 flow [2021-04-28 20:14:58,527 INFO L481 AbstractCegarLoop]: Interpolant automaton has 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 20:14:58,527 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 20:14:58,527 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, 1, 1, 1] [2021-04-28 20:14:58,527 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-04-28 20:14:58,528 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 20:14:58,528 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 20:14:58,528 INFO L82 PathProgramCache]: Analyzing trace with hash 369297044, now seen corresponding path program 1 times [2021-04-28 20:14:58,528 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 20:14:58,529 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [719205821] [2021-04-28 20:14:58,529 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 20:14:58,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 20:14:58,765 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 20:14:58,765 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 20:14:58,776 INFO L142 QuantifierPusher]: treesize reduction 21, result has 76.1 percent of original size [2021-04-28 20:14:58,782 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 67 [2021-04-28 20:14:58,814 INFO L142 QuantifierPusher]: treesize reduction 47, result has 68.2 percent of original size [2021-04-28 20:14:58,817 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 101 [2021-04-28 20:14:58,858 INFO L142 QuantifierPusher]: treesize reduction 26, result has 55.2 percent of original size [2021-04-28 20:14:58,859 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-04-28 20:14:58,882 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 20:14:58,883 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-04-28 20:14:58,890 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 20:14:58,890 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [719205821] [2021-04-28 20:14:58,890 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 20:14:58,890 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-04-28 20:14:58,890 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1442225899] [2021-04-28 20:14:58,891 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-04-28 20:14:58,891 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 20:14:58,891 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-04-28 20:14:58,892 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-04-28 20:14:58,894 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 222 out of 414 [2021-04-28 20:14:58,896 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 91 places, 152 transitions, 1269 flow. Second operand has 7 states, 7 states have (on average 223.14285714285714) internal successors, (1562), 7 states have internal predecessors, (1562), 0 states have call successors, (0), 0 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 20:14:58,897 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 20:14:58,897 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 222 of 414 [2021-04-28 20:14:58,897 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 20:15:13,025 INFO L129 PetriNetUnfolder]: 56585/105351 cut-off events. [2021-04-28 20:15:13,026 INFO L130 PetriNetUnfolder]: For 886062/1620678 co-relation queries the response was YES. [2021-04-28 20:15:13,884 INFO L84 FinitePrefix]: Finished finitePrefix Result has 595789 conditions, 105351 events. 56585/105351 cut-off events. For 886062/1620678 co-relation queries the response was YES. Maximal size of possible extension queue 19692. Compared 1337511 event pairs, 2229 based on Foata normal form. 406/31606 useless extension candidates. Maximal degree in co-relation 595766. Up to 81784 conditions per place. [2021-04-28 20:15:14,301 INFO L132 encePairwiseOnDemand]: 405/414 looper letters, 23 selfloop transitions, 9 changer transitions 0/175 dead transitions. [2021-04-28 20:15:14,301 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 96 places, 175 transitions, 1445 flow [2021-04-28 20:15:14,302 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-04-28 20:15:14,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-04-28 20:15:14,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1365 transitions. [2021-04-28 20:15:14,307 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5495169082125604 [2021-04-28 20:15:14,307 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1365 transitions. [2021-04-28 20:15:14,307 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1365 transitions. [2021-04-28 20:15:14,309 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 20:15:14,309 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1365 transitions. [2021-04-28 20:15:14,313 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 227.5) internal successors, (1365), 6 states have internal predecessors, (1365), 0 states have call successors, (0), 0 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 20:15:14,318 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 414.0) internal successors, (2898), 7 states have internal predecessors, (2898), 0 states have call successors, (0), 0 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 20:15:14,319 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 414.0) internal successors, (2898), 7 states have internal predecessors, (2898), 0 states have call successors, (0), 0 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 20:15:14,319 INFO L185 Difference]: Start difference. First operand has 91 places, 152 transitions, 1269 flow. Second operand 6 states and 1365 transitions. [2021-04-28 20:15:14,319 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 96 places, 175 transitions, 1445 flow [2021-04-28 20:25:19,091 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 91 places, 175 transitions, 1113 flow, removed 108 selfloop flow, removed 5 redundant places. [2021-04-28 20:25:19,094 INFO L241 Difference]: Finished difference. Result has 94 places, 159 transitions, 1011 flow [2021-04-28 20:25:19,095 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=414, PETRI_DIFFERENCE_MINUEND_FLOW=937, PETRI_DIFFERENCE_MINUEND_PLACES=86, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=152, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=144, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1011, PETRI_PLACES=94, PETRI_TRANSITIONS=159} [2021-04-28 20:25:19,095 INFO L343 CegarLoopForPetriNet]: 157 programPoint places, -63 predicate places. [2021-04-28 20:25:19,095 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 20:25:19,095 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 94 places, 159 transitions, 1011 flow [2021-04-28 20:25:19,096 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 94 places, 159 transitions, 1011 flow [2021-04-28 20:25:19,097 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 94 places, 159 transitions, 1011 flow [2021-04-28 20:25:27,386 INFO L129 PetriNetUnfolder]: 53179/98727 cut-off events. [2021-04-28 20:25:27,387 INFO L130 PetriNetUnfolder]: For 108707/148586 co-relation queries the response was YES. [2021-04-28 20:25:28,054 INFO L84 FinitePrefix]: Finished finitePrefix Result has 362181 conditions, 98727 events. 53179/98727 cut-off events. For 108707/148586 co-relation queries the response was YES. Maximal size of possible extension queue 17538. Compared 1271457 event pairs, 2648 based on Foata normal form. 158/28291 useless extension candidates. Maximal degree in co-relation 362157. Up to 44200 conditions per place. [2021-04-28 20:25:29,273 INFO L146 LiptonReduction]: Number of co-enabled transitions 5238 [2021-04-28 20:25:29,679 INFO L158 LiptonReduction]: Checked pairs total: 1460 [2021-04-28 20:25:29,680 INFO L160 LiptonReduction]: Total number of compositions: 1 [2021-04-28 20:25:29,680 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 10585 [2021-04-28 20:25:29,681 INFO L480 AbstractCegarLoop]: Abstraction has has 95 places, 160 transitions, 1019 flow [2021-04-28 20:25:29,682 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 223.14285714285714) internal successors, (1562), 7 states have internal predecessors, (1562), 0 states have call successors, (0), 0 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 20:25:29,682 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 20:25:29,683 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, 1, 1, 1] [2021-04-28 20:25:29,683 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-04-28 20:25:29,683 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 20:25:29,683 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 20:25:29,683 INFO L82 PathProgramCache]: Analyzing trace with hash -843888069, now seen corresponding path program 1 times [2021-04-28 20:25:29,683 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 20:25:29,684 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [100239647] [2021-04-28 20:25:29,684 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 20:25:29,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 20:25:29,777 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 20:25:29,778 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-28 20:25:29,786 INFO L142 QuantifierPusher]: treesize reduction 4, result has 82.6 percent of original size [2021-04-28 20:25:29,787 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-28 20:25:29,801 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-04-28 20:25:29,802 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-28 20:25:29,818 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 20:25:29,818 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-28 20:25:29,828 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 20:25:29,829 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 20:25:29,835 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 20:25:29,836 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [100239647] [2021-04-28 20:25:29,836 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 20:25:29,836 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-04-28 20:25:29,836 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1917408134] [2021-04-28 20:25:29,837 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-04-28 20:25:29,837 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 20:25:29,837 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-04-28 20:25:29,838 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-04-28 20:25:29,841 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 212 out of 415 [2021-04-28 20:25:29,843 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 95 places, 160 transitions, 1019 flow. Second operand has 7 states, 7 states have (on average 213.14285714285714) internal successors, (1492), 7 states have internal predecessors, (1492), 0 states have call successors, (0), 0 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 20:25:29,843 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 20:25:29,843 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 212 of 415 [2021-04-28 20:25:29,843 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 20:26:06,004 INFO L129 PetriNetUnfolder]: 137525/247084 cut-off events. [2021-04-28 20:26:06,005 INFO L130 PetriNetUnfolder]: For 294202/336788 co-relation queries the response was YES. [2021-04-28 20:26:07,240 INFO L84 FinitePrefix]: Finished finitePrefix Result has 916697 conditions, 247084 events. 137525/247084 cut-off events. For 294202/336788 co-relation queries the response was YES. Maximal size of possible extension queue 42251. Compared 3302721 event pairs, 5984 based on Foata normal form. 659/74162 useless extension candidates. Maximal degree in co-relation 916671. Up to 117019 conditions per place. [2021-04-28 20:26:07,955 INFO L132 encePairwiseOnDemand]: 406/415 looper letters, 22 selfloop transitions, 18 changer transitions 0/182 dead transitions. [2021-04-28 20:26:07,955 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 101 places, 182 transitions, 1255 flow [2021-04-28 20:26:07,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-04-28 20:26:07,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-04-28 20:26:07,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 1516 transitions. [2021-04-28 20:26:07,960 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5218588640275387 [2021-04-28 20:26:07,960 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 1516 transitions. [2021-04-28 20:26:07,961 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 1516 transitions. [2021-04-28 20:26:07,962 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 20:26:07,962 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 1516 transitions. [2021-04-28 20:26:07,965 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 216.57142857142858) internal successors, (1516), 7 states have internal predecessors, (1516), 0 states have call successors, (0), 0 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 20:26:07,971 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 415.0) internal successors, (3320), 8 states have internal predecessors, (3320), 0 states have call successors, (0), 0 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 20:26:07,972 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 415.0) internal successors, (3320), 8 states have internal predecessors, (3320), 0 states have call successors, (0), 0 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 20:26:07,973 INFO L185 Difference]: Start difference. First operand has 95 places, 160 transitions, 1019 flow. Second operand 7 states and 1516 transitions. [2021-04-28 20:26:07,973 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 101 places, 182 transitions, 1255 flow Received shutdown request... Cannot interrupt operation gracefully because timeout expired. Forcing shutdown