/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-RepeatedSemanticLbeWithDisjunctivePredicates.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-wmm/mix002_rmo.opt.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-d5b4239aa45c8d22a30959944f2ef622f7386a6d-d5b4239 [2021-03-26 09:47:17,629 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-03-26 09:47:17,631 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-03-26 09:47:17,654 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-03-26 09:47:17,655 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-03-26 09:47:17,656 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-03-26 09:47:17,657 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-03-26 09:47:17,659 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-03-26 09:47:17,661 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-03-26 09:47:17,662 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-03-26 09:47:17,662 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-03-26 09:47:17,664 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-03-26 09:47:17,664 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-03-26 09:47:17,665 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-03-26 09:47:17,666 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-03-26 09:47:17,667 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-03-26 09:47:17,668 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-03-26 09:47:17,669 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-03-26 09:47:17,670 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-03-26 09:47:17,672 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-03-26 09:47:17,674 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-03-26 09:47:17,675 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-03-26 09:47:17,676 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-03-26 09:47:17,677 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-03-26 09:47:17,680 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-03-26 09:47:17,683 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-03-26 09:47:17,683 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-03-26 09:47:17,684 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-03-26 09:47:17,685 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-03-26 09:47:17,686 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-03-26 09:47:17,686 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-03-26 09:47:17,686 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-03-26 09:47:17,687 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-03-26 09:47:17,687 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-03-26 09:47:17,688 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-03-26 09:47:17,688 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-03-26 09:47:17,694 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-RepeatedSemanticLbeWithDisjunctivePredicates.epf [2021-03-26 09:47:17,722 INFO L113 SettingsManager]: Loading preferences was successful [2021-03-26 09:47:17,722 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-03-26 09:47:17,723 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-03-26 09:47:17,723 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-03-26 09:47:17,723 INFO L138 SettingsManager]: * Use SBE=true [2021-03-26 09:47:17,724 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-03-26 09:47:17,724 INFO L138 SettingsManager]: * sizeof long=4 [2021-03-26 09:47:17,724 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-03-26 09:47:17,724 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-03-26 09:47:17,724 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-03-26 09:47:17,725 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-03-26 09:47:17,725 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-03-26 09:47:17,725 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-03-26 09:47:17,725 INFO L138 SettingsManager]: * sizeof long double=12 [2021-03-26 09:47:17,725 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-03-26 09:47:17,725 INFO L138 SettingsManager]: * Use constant arrays=true [2021-03-26 09:47:17,726 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-03-26 09:47:17,726 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-03-26 09:47:17,726 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-03-26 09:47:17,726 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-03-26 09:47:17,726 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-03-26 09:47:17,726 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-03-26 09:47:17,727 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-03-26 09:47:17,727 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-03-26 09:47:17,727 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-03-26 09:47:17,727 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-03-26 09:47:17,727 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-03-26 09:47:17,728 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=SEMANTIC_BASED_MOVER_CHECK_WITH_PREDICATES_DISJUNCTIVE [2021-03-26 09:47:17,728 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-03-26 09:47:17,728 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-03-26 09:47:17,728 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-03-26 09:47:18,014 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-03-26 09:47:18,037 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-03-26 09:47:18,039 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-03-26 09:47:18,040 INFO L271 PluginConnector]: Initializing CDTParser... [2021-03-26 09:47:18,041 INFO L275 PluginConnector]: CDTParser initialized [2021-03-26 09:47:18,041 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/mix002_rmo.opt.i [2021-03-26 09:47:18,109 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5340b8035/f8ddc7a4952f4bfb89548cbffc9b1545/FLAGc13cd5b64 [2021-03-26 09:47:18,660 INFO L306 CDTParser]: Found 1 translation units. [2021-03-26 09:47:18,661 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix002_rmo.opt.i [2021-03-26 09:47:18,677 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5340b8035/f8ddc7a4952f4bfb89548cbffc9b1545/FLAGc13cd5b64 [2021-03-26 09:47:19,118 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5340b8035/f8ddc7a4952f4bfb89548cbffc9b1545 [2021-03-26 09:47:19,124 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-03-26 09:47:19,125 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-03-26 09:47:19,126 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-03-26 09:47:19,126 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-03-26 09:47:19,129 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-03-26 09:47:19,130 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.03 09:47:19" (1/1) ... [2021-03-26 09:47:19,130 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5d440238 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.03 09:47:19, skipping insertion in model container [2021-03-26 09:47:19,131 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.03 09:47:19" (1/1) ... [2021-03-26 09:47:19,143 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-03-26 09:47:19,179 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-03-26 09:47:19,321 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/mix002_rmo.opt.i[948,961] [2021-03-26 09:47:19,547 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-03-26 09:47:19,558 INFO L203 MainTranslator]: Completed pre-run [2021-03-26 09:47:19,569 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/mix002_rmo.opt.i[948,961] [2021-03-26 09:47:19,626 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-03-26 09:47:19,703 INFO L208 MainTranslator]: Completed translation [2021-03-26 09:47:19,704 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.03 09:47:19 WrapperNode [2021-03-26 09:47:19,705 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-03-26 09:47:19,706 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-03-26 09:47:19,706 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-03-26 09:47:19,706 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-03-26 09:47:19,711 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.03 09:47:19" (1/1) ... [2021-03-26 09:47:19,743 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.03 09:47:19" (1/1) ... [2021-03-26 09:47:19,783 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-03-26 09:47:19,784 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-03-26 09:47:19,784 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-03-26 09:47:19,784 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-03-26 09:47:19,792 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.03 09:47:19" (1/1) ... [2021-03-26 09:47:19,792 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.03 09:47:19" (1/1) ... [2021-03-26 09:47:19,807 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.03 09:47:19" (1/1) ... [2021-03-26 09:47:19,807 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.03 09:47:19" (1/1) ... [2021-03-26 09:47:19,818 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.03 09:47:19" (1/1) ... [2021-03-26 09:47:19,822 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.03 09:47:19" (1/1) ... [2021-03-26 09:47:19,824 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.03 09:47:19" (1/1) ... [2021-03-26 09:47:19,828 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-03-26 09:47:19,829 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-03-26 09:47:19,829 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-03-26 09:47:19,829 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-03-26 09:47:19,830 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.03 09:47:19" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-03-26 09:47:19,904 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-03-26 09:47:19,904 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-03-26 09:47:19,904 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-03-26 09:47:19,905 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-03-26 09:47:19,905 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-03-26 09:47:19,905 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-03-26 09:47:19,905 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-03-26 09:47:19,905 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-03-26 09:47:19,905 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2021-03-26 09:47:19,905 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2021-03-26 09:47:19,905 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-03-26 09:47:19,906 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-03-26 09:47:19,906 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-03-26 09:47:19,906 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-03-26 09:47:19,907 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-03-26 09:47:22,032 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-03-26 09:47:22,033 INFO L299 CfgBuilder]: Removed 10 assume(true) statements. [2021-03-26 09:47:22,034 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.03 09:47:22 BoogieIcfgContainer [2021-03-26 09:47:22,035 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-03-26 09:47:22,036 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-03-26 09:47:22,036 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-03-26 09:47:22,038 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-03-26 09:47:22,038 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.03 09:47:19" (1/3) ... [2021-03-26 09:47:22,039 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5b90e00b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.03 09:47:22, skipping insertion in model container [2021-03-26 09:47:22,039 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.03 09:47:19" (2/3) ... [2021-03-26 09:47:22,039 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5b90e00b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.03 09:47:22, skipping insertion in model container [2021-03-26 09:47:22,039 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.03 09:47:22" (3/3) ... [2021-03-26 09:47:22,040 INFO L111 eAbstractionObserver]: Analyzing ICFG mix002_rmo.opt.i [2021-03-26 09:47:22,045 INFO L149 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-03-26 09:47:22,049 INFO L161 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2021-03-26 09:47:22,050 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-03-26 09:47:22,084 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:47:22,084 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:47:22,084 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:47:22,085 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:47:22,085 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:47:22,085 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:47:22,085 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:47:22,085 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:47:22,085 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:47:22,085 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:47:22,086 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:47:22,086 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:47:22,086 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:47:22,086 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:47:22,086 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:47:22,086 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:47:22,086 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:47:22,086 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:47:22,087 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:47:22,087 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:47:22,087 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:47:22,087 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:47:22,087 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:47:22,087 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:47:22,087 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:47:22,087 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:47:22,088 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:47:22,088 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:47:22,088 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:47:22,088 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:47:22,088 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:47:22,088 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:47:22,088 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:47:22,088 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:47:22,088 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:47:22,088 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:47:22,089 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:47:22,089 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:47:22,089 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:47:22,089 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:47:22,089 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:47:22,089 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:47:22,089 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:47:22,089 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:47:22,089 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:47:22,089 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:47:22,090 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:47:22,090 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:47:22,090 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:47:22,090 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:47:22,090 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:47:22,090 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:47:22,090 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:47:22,090 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:47:22,090 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:47:22,090 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:47:22,091 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:47:22,091 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:47:22,092 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:47:22,092 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:47:22,093 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:47:22,093 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:47:22,093 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:47:22,093 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:47:22,093 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:47:22,093 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:47:22,093 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:47:22,094 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:47:22,094 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:47:22,094 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:47:22,094 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:47:22,094 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:47:22,094 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:47:22,094 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:47:22,094 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:47:22,095 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:47:22,095 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:47:22,095 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:47:22,095 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:47:22,095 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:47:22,095 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:47:22,095 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:47:22,095 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:47:22,095 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:47:22,095 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:47:22,096 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:47:22,096 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:47:22,096 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:47:22,096 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:47:22,096 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:47:22,096 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:47:22,096 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:47:22,096 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:47:22,096 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:47:22,097 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:47:22,097 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:47:22,099 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:47:22,099 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:47:22,099 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:47:22,099 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:47:22,099 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:47:22,099 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:47:22,100 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:47:22,100 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:47:22,100 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:47:22,100 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:47:22,100 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:47:22,100 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:47:22,100 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:47:22,100 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:47:22,100 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:47:22,101 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:47:22,101 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:47:22,101 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:47:22,101 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:47:22,101 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:47:22,101 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:47:22,101 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:47:22,101 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:47:22,102 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:47:22,102 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:47:22,102 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:47:22,102 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:47:22,102 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:47:22,102 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:47:22,102 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:47:22,102 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:47:22,102 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~nondet28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:47:22,102 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:47:22,102 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~nondet29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:47:22,102 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:47:22,103 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:47:22,103 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:47:22,103 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:47:22,103 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:47:22,103 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:47:22,103 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:47:22,103 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:47:22,103 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:47:22,104 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~nondet28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:47:22,104 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:47:22,104 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:47:22,104 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~nondet29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:47:22,104 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:47:22,104 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:47:22,104 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:47:22,104 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:47:22,104 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:47:22,104 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:47:22,105 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:47:22,105 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:47:22,105 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:47:22,105 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:47:22,105 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:47:22,107 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:47:22,107 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:47:22,107 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:47:22,107 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:47:22,107 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:47:22,107 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:47:22,107 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:47:22,107 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:47:22,107 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:47:22,107 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:47:22,108 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:47:22,108 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~nondet28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:47:22,108 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:47:22,108 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~nondet29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:47:22,108 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:47:22,108 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:47:22,108 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:47:22,108 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:47:22,108 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:47:22,109 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:47:22,109 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:47:22,109 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:47:22,109 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:47:22,109 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~nondet28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:47:22,109 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:47:22,109 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:47:22,109 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~nondet29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:47:22,109 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:47:22,109 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:47:22,110 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:47:22,110 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:47:22,110 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:47:22,110 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:47:22,110 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:47:22,110 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:47:22,110 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:47:22,110 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:47:22,110 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:47:22,112 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:47:22,112 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:47:22,112 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:47:22,113 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:47:22,113 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:47:22,113 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:47:22,113 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:47:22,113 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:47:22,113 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:47:22,113 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:47:22,113 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:47:22,114 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:47:22,114 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:47:22,114 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:47:22,114 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:47:22,114 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:47:22,114 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:47:22,115 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:47:22,116 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:47:22,116 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~nondet28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:47:22,117 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~nondet29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:47:22,117 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:47:22,117 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:47:22,117 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:47:22,117 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:47:22,117 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:47:22,117 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:47:22,118 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:47:22,118 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:47:22,118 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:47:22,118 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:47:22,118 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:47:22,118 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:47:22,118 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:47:22,118 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:47:22,119 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:47:22,119 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:47:22,119 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:47:22,119 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:47:22,119 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:47:22,119 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:47:22,119 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:47:22,120 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:47:22,120 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:47:22,120 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:47:22,120 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:47:22,120 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:47:22,120 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:47:22,120 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:47:22,120 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:47:22,120 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:47:22,121 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:47:22,121 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:47:22,126 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:47:22,126 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:47:22,126 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:47:22,127 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:47:22,128 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:47:22,128 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:47:22,128 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:47:22,128 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:47:22,128 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:47:22,128 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:47:22,128 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:47:22,129 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:47:22,129 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:47:22,129 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:47:22,129 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:47:22,129 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:47:22,129 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:47:22,129 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:47:22,129 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:47:22,130 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:47:22,130 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:47:22,130 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:47:22,130 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:47:22,130 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:47:22,130 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:47:22,130 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:47:22,130 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:47:22,130 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:47:22,131 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:47:22,131 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:47:22,131 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:47:22,132 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-03-26 09:47:22,147 INFO L253 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2021-03-26 09:47:22,163 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-03-26 09:47:22,163 INFO L377 AbstractCegarLoop]: Hoare is false [2021-03-26 09:47:22,163 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-03-26 09:47:22,163 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-03-26 09:47:22,163 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-03-26 09:47:22,163 INFO L381 AbstractCegarLoop]: Difference is false [2021-03-26 09:47:22,164 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-03-26 09:47:22,164 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-03-26 09:47:22,172 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 113 places, 105 transitions, 225 flow [2021-03-26 09:47:22,205 INFO L129 PetriNetUnfolder]: 2/102 cut-off events. [2021-03-26 09:47:22,206 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-26 09:47:22,209 INFO L84 FinitePrefix]: Finished finitePrefix Result has 112 conditions, 102 events. 2/102 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 73 event pairs, 0 based on Foata normal form. 0/98 useless extension candidates. Maximal degree in co-relation 63. Up to 2 conditions per place. [2021-03-26 09:47:22,209 INFO L82 GeneralOperation]: Start removeDead. Operand has 113 places, 105 transitions, 225 flow [2021-03-26 09:47:22,213 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 110 places, 102 transitions, 213 flow [2021-03-26 09:47:22,214 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 09:47:22,225 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 110 places, 102 transitions, 213 flow [2021-03-26 09:47:22,227 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 110 places, 102 transitions, 213 flow [2021-03-26 09:47:22,229 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 110 places, 102 transitions, 213 flow [2021-03-26 09:47:22,247 INFO L129 PetriNetUnfolder]: 2/102 cut-off events. [2021-03-26 09:47:22,247 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-26 09:47:22,247 INFO L84 FinitePrefix]: Finished finitePrefix Result has 112 conditions, 102 events. 2/102 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 80 event pairs, 0 based on Foata normal form. 0/98 useless extension candidates. Maximal degree in co-relation 63. Up to 2 conditions per place. [2021-03-26 09:47:22,250 INFO L142 LiptonReduction]: Number of co-enabled transitions 1862 [2021-03-26 09:47:23,569 WARN L205 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 58 [2021-03-26 09:47:24,035 WARN L205 SmtUtils]: Spent 386.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 84 [2021-03-26 09:47:24,186 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2021-03-26 09:47:25,131 INFO L154 LiptonReduction]: Checked pairs total: 3248 [2021-03-26 09:47:25,131 INFO L156 LiptonReduction]: Total number of compositions: 68 [2021-03-26 09:47:25,133 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 2920 [2021-03-26 09:47:25,144 INFO L129 PetriNetUnfolder]: 0/25 cut-off events. [2021-03-26 09:47:25,144 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-26 09:47:25,144 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 09:47:25,145 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 09:47:25,145 INFO L428 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-26 09:47:25,148 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 09:47:25,149 INFO L82 PathProgramCache]: Analyzing trace with hash 1864718449, now seen corresponding path program 1 times [2021-03-26 09:47:25,157 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 09:47:25,158 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1891640467] [2021-03-26 09:47:25,158 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 09:47:25,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 09:47:25,346 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 09:47:25,347 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 09:47:25,348 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 09:47:25,348 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 09:47:25,356 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 09:47:25,356 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1891640467] [2021-03-26 09:47:25,357 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 09:47:25,357 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-03-26 09:47:25,357 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [132436797] [2021-03-26 09:47:25,364 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-03-26 09:47:25,364 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 09:47:25,374 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-03-26 09:47:25,376 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-03-26 09:47:25,378 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 153 out of 173 [2021-03-26 09:47:25,380 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 51 places, 42 transitions, 93 flow. Second operand has 3 states, 3 states have (on average 153.66666666666666) internal successors, (461), 3 states have internal predecessors, (461), 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) [2021-03-26 09:47:25,383 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 09:47:25,383 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 153 of 173 [2021-03-26 09:47:25,389 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 09:47:25,452 INFO L129 PetriNetUnfolder]: 13/91 cut-off events. [2021-03-26 09:47:25,452 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-26 09:47:25,453 INFO L84 FinitePrefix]: Finished finitePrefix Result has 131 conditions, 91 events. 13/91 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 269 event pairs, 5 based on Foata normal form. 7/91 useless extension candidates. Maximal degree in co-relation 110. Up to 25 conditions per place. [2021-03-26 09:47:25,455 INFO L132 encePairwiseOnDemand]: 169/173 looper letters, 6 selfloop transitions, 2 changer transitions 0/41 dead transitions. [2021-03-26 09:47:25,455 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 51 places, 41 transitions, 107 flow [2021-03-26 09:47:25,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-26 09:47:25,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-03-26 09:47:25,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 470 transitions. [2021-03-26 09:47:25,475 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.905587668593449 [2021-03-26 09:47:25,475 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 470 transitions. [2021-03-26 09:47:25,476 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 470 transitions. [2021-03-26 09:47:25,479 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 09:47:25,481 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 470 transitions. [2021-03-26 09:47:25,486 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 156.66666666666666) internal successors, (470), 3 states have internal predecessors, (470), 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) [2021-03-26 09:47:25,496 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 173.0) internal successors, (692), 4 states have internal predecessors, (692), 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) [2021-03-26 09:47:25,496 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 173.0) internal successors, (692), 4 states have internal predecessors, (692), 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) [2021-03-26 09:47:25,497 INFO L185 Difference]: Start difference. First operand has 51 places, 42 transitions, 93 flow. Second operand 3 states and 470 transitions. [2021-03-26 09:47:25,498 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 51 places, 41 transitions, 107 flow [2021-03-26 09:47:25,499 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 48 places, 41 transitions, 104 flow, removed 0 selfloop flow, removed 3 redundant places. [2021-03-26 09:47:25,501 INFO L241 Difference]: Finished difference. Result has 48 places, 39 transitions, 88 flow [2021-03-26 09:47:25,504 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=173, PETRI_DIFFERENCE_MINUEND_FLOW=84, PETRI_DIFFERENCE_MINUEND_PLACES=46, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=39, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=37, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=88, PETRI_PLACES=48, PETRI_TRANSITIONS=39} [2021-03-26 09:47:25,504 INFO L343 CegarLoopForPetriNet]: 51 programPoint places, -3 predicate places. [2021-03-26 09:47:25,504 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 09:47:25,505 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 48 places, 39 transitions, 88 flow [2021-03-26 09:47:25,508 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 48 places, 39 transitions, 88 flow [2021-03-26 09:47:25,508 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 48 places, 39 transitions, 88 flow [2021-03-26 09:47:25,514 INFO L129 PetriNetUnfolder]: 0/39 cut-off events. [2021-03-26 09:47:25,514 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-26 09:47:25,514 INFO L84 FinitePrefix]: Finished finitePrefix Result has 49 conditions, 39 events. 0/39 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 43 event pairs, 0 based on Foata normal form. 0/38 useless extension candidates. Maximal degree in co-relation 0. Up to 2 conditions per place. [2021-03-26 09:47:25,515 INFO L142 LiptonReduction]: Number of co-enabled transitions 394 [2021-03-26 09:47:25,922 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 83 [2021-03-26 09:47:26,027 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 83 [2021-03-26 09:47:27,327 INFO L154 LiptonReduction]: Checked pairs total: 1610 [2021-03-26 09:47:27,327 INFO L156 LiptonReduction]: Total number of compositions: 14 [2021-03-26 09:47:27,327 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1823 [2021-03-26 09:47:27,328 INFO L480 AbstractCegarLoop]: Abstraction has has 34 places, 25 transitions, 60 flow [2021-03-26 09:47:27,329 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 153.66666666666666) internal successors, (461), 3 states have internal predecessors, (461), 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) [2021-03-26 09:47:27,329 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 09:47:27,329 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] [2021-03-26 09:47:27,329 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-03-26 09:47:27,329 INFO L428 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-26 09:47:27,330 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 09:47:27,330 INFO L82 PathProgramCache]: Analyzing trace with hash 925318524, now seen corresponding path program 1 times [2021-03-26 09:47:27,330 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 09:47:27,330 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [527453995] [2021-03-26 09:47:27,330 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 09:47:27,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 09:47:27,447 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 09:47:27,448 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 09:47:27,448 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 09:47:27,448 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 09:47:27,455 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-03-26 09:47:27,457 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-26 09:47:27,475 INFO L142 QuantifierPusher]: treesize reduction 9, result has 30.8 percent of original size [2021-03-26 09:47:27,475 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-26 09:47:27,479 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 09:47:27,480 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [527453995] [2021-03-26 09:47:27,480 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 09:47:27,480 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-03-26 09:47:27,480 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1484556719] [2021-03-26 09:47:27,481 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-03-26 09:47:27,481 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 09:47:27,481 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-03-26 09:47:27,482 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-03-26 09:47:27,483 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 147 out of 187 [2021-03-26 09:47:27,484 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 34 places, 25 transitions, 60 flow. Second operand has 5 states, 5 states have (on average 147.8) internal successors, (739), 5 states have internal predecessors, (739), 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) [2021-03-26 09:47:27,484 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 09:47:27,484 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 147 of 187 [2021-03-26 09:47:27,484 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 09:47:27,602 INFO L129 PetriNetUnfolder]: 130/293 cut-off events. [2021-03-26 09:47:27,602 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-26 09:47:27,603 INFO L84 FinitePrefix]: Finished finitePrefix Result has 524 conditions, 293 events. 130/293 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 44. Compared 1515 event pairs, 53 based on Foata normal form. 0/266 useless extension candidates. Maximal degree in co-relation 513. Up to 94 conditions per place. [2021-03-26 09:47:27,604 INFO L132 encePairwiseOnDemand]: 178/187 looper letters, 10 selfloop transitions, 2 changer transitions 17/45 dead transitions. [2021-03-26 09:47:27,604 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 39 places, 45 transitions, 158 flow [2021-03-26 09:47:27,604 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-03-26 09:47:27,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-03-26 09:47:27,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 912 transitions. [2021-03-26 09:47:27,607 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8128342245989305 [2021-03-26 09:47:27,607 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 912 transitions. [2021-03-26 09:47:27,607 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 912 transitions. [2021-03-26 09:47:27,607 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 09:47:27,607 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 912 transitions. [2021-03-26 09:47:27,609 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 152.0) internal successors, (912), 6 states have internal predecessors, (912), 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) [2021-03-26 09:47:27,612 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 187.0) internal successors, (1309), 7 states have internal predecessors, (1309), 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) [2021-03-26 09:47:27,613 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 187.0) internal successors, (1309), 7 states have internal predecessors, (1309), 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) [2021-03-26 09:47:27,613 INFO L185 Difference]: Start difference. First operand has 34 places, 25 transitions, 60 flow. Second operand 6 states and 912 transitions. [2021-03-26 09:47:27,613 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 39 places, 45 transitions, 158 flow [2021-03-26 09:47:27,614 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 37 places, 45 transitions, 154 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-03-26 09:47:27,615 INFO L241 Difference]: Finished difference. Result has 39 places, 24 transitions, 72 flow [2021-03-26 09:47:27,615 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=187, PETRI_DIFFERENCE_MINUEND_FLOW=56, PETRI_DIFFERENCE_MINUEND_PLACES=32, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=25, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=23, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=72, PETRI_PLACES=39, PETRI_TRANSITIONS=24} [2021-03-26 09:47:27,615 INFO L343 CegarLoopForPetriNet]: 51 programPoint places, -12 predicate places. [2021-03-26 09:47:27,616 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 09:47:27,616 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 39 places, 24 transitions, 72 flow [2021-03-26 09:47:27,616 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 39 places, 24 transitions, 72 flow [2021-03-26 09:47:27,616 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 35 places, 24 transitions, 72 flow [2021-03-26 09:47:27,625 INFO L129 PetriNetUnfolder]: 16/67 cut-off events. [2021-03-26 09:47:27,625 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-26 09:47:27,625 INFO L84 FinitePrefix]: Finished finitePrefix Result has 114 conditions, 67 events. 16/67 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 234 event pairs, 16 based on Foata normal form. 0/64 useless extension candidates. Maximal degree in co-relation 103. Up to 34 conditions per place. [2021-03-26 09:47:27,626 INFO L142 LiptonReduction]: Number of co-enabled transitions 218 [2021-03-26 09:47:28,420 WARN L205 SmtUtils]: Spent 400.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 124 [2021-03-26 09:47:28,578 WARN L205 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 120 [2021-03-26 09:47:28,873 WARN L205 SmtUtils]: Spent 293.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 124 [2021-03-26 09:47:29,003 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 120 [2021-03-26 09:47:29,006 INFO L154 LiptonReduction]: Checked pairs total: 234 [2021-03-26 09:47:29,006 INFO L156 LiptonReduction]: Total number of compositions: 3 [2021-03-26 09:47:29,007 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1391 [2021-03-26 09:47:29,008 INFO L480 AbstractCegarLoop]: Abstraction has has 32 places, 21 transitions, 66 flow [2021-03-26 09:47:29,008 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 147.8) internal successors, (739), 5 states have internal predecessors, (739), 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) [2021-03-26 09:47:29,008 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 09:47:29,008 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 09:47:29,008 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-03-26 09:47:29,009 INFO L428 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-26 09:47:29,009 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 09:47:29,009 INFO L82 PathProgramCache]: Analyzing trace with hash 1041939860, now seen corresponding path program 1 times [2021-03-26 09:47:29,009 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 09:47:29,009 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1966396470] [2021-03-26 09:47:29,009 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 09:47:29,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 09:47:29,077 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 09:47:29,079 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 09:47:29,082 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-03-26 09:47:29,083 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-26 09:47:29,094 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 09:47:29,094 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1966396470] [2021-03-26 09:47:29,095 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 09:47:29,095 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-03-26 09:47:29,095 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [353678304] [2021-03-26 09:47:29,095 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-03-26 09:47:29,095 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 09:47:29,096 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-03-26 09:47:29,096 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-03-26 09:47:29,097 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 152 out of 190 [2021-03-26 09:47:29,098 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 32 places, 21 transitions, 66 flow. Second operand has 4 states, 4 states have (on average 152.75) internal successors, (611), 4 states have internal predecessors, (611), 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) [2021-03-26 09:47:29,098 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 09:47:29,098 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 152 of 190 [2021-03-26 09:47:29,098 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 09:47:29,144 INFO L129 PetriNetUnfolder]: 48/119 cut-off events. [2021-03-26 09:47:29,144 INFO L130 PetriNetUnfolder]: For 57/91 co-relation queries the response was YES. [2021-03-26 09:47:29,145 INFO L84 FinitePrefix]: Finished finitePrefix Result has 313 conditions, 119 events. 48/119 cut-off events. For 57/91 co-relation queries the response was YES. Maximal size of possible extension queue 16. Compared 445 event pairs, 10 based on Foata normal form. 3/115 useless extension candidates. Maximal degree in co-relation 302. Up to 75 conditions per place. [2021-03-26 09:47:29,147 INFO L132 encePairwiseOnDemand]: 187/190 looper letters, 10 selfloop transitions, 2 changer transitions 0/25 dead transitions. [2021-03-26 09:47:29,147 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 34 places, 25 transitions, 107 flow [2021-03-26 09:47:29,148 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-26 09:47:29,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-03-26 09:47:29,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 469 transitions. [2021-03-26 09:47:29,150 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8228070175438597 [2021-03-26 09:47:29,150 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 469 transitions. [2021-03-26 09:47:29,150 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 469 transitions. [2021-03-26 09:47:29,152 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 09:47:29,152 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 469 transitions. [2021-03-26 09:47:29,153 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 156.33333333333334) internal successors, (469), 3 states have internal predecessors, (469), 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) [2021-03-26 09:47:29,155 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 190.0) internal successors, (760), 4 states have internal predecessors, (760), 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) [2021-03-26 09:47:29,156 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 190.0) internal successors, (760), 4 states have internal predecessors, (760), 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) [2021-03-26 09:47:29,156 INFO L185 Difference]: Start difference. First operand has 32 places, 21 transitions, 66 flow. Second operand 3 states and 469 transitions. [2021-03-26 09:47:29,156 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 34 places, 25 transitions, 107 flow [2021-03-26 09:47:29,157 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 32 places, 25 transitions, 101 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-03-26 09:47:29,157 INFO L241 Difference]: Finished difference. Result has 33 places, 21 transitions, 70 flow [2021-03-26 09:47:29,157 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=190, PETRI_DIFFERENCE_MINUEND_FLOW=62, PETRI_DIFFERENCE_MINUEND_PLACES=30, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=21, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=19, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=70, PETRI_PLACES=33, PETRI_TRANSITIONS=21} [2021-03-26 09:47:29,158 INFO L343 CegarLoopForPetriNet]: 51 programPoint places, -18 predicate places. [2021-03-26 09:47:29,158 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 09:47:29,158 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 33 places, 21 transitions, 70 flow [2021-03-26 09:47:29,161 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 33 places, 21 transitions, 70 flow [2021-03-26 09:47:29,161 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 33 places, 21 transitions, 70 flow [2021-03-26 09:47:29,171 INFO L129 PetriNetUnfolder]: 16/64 cut-off events. [2021-03-26 09:47:29,171 INFO L130 PetriNetUnfolder]: For 7/7 co-relation queries the response was YES. [2021-03-26 09:47:29,172 INFO L84 FinitePrefix]: Finished finitePrefix Result has 124 conditions, 64 events. 16/64 cut-off events. For 7/7 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 231 event pairs, 16 based on Foata normal form. 0/60 useless extension candidates. Maximal degree in co-relation 114. Up to 34 conditions per place. [2021-03-26 09:47:29,173 INFO L142 LiptonReduction]: Number of co-enabled transitions 184 [2021-03-26 09:47:29,175 INFO L154 LiptonReduction]: Checked pairs total: 65 [2021-03-26 09:47:29,175 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 09:47:29,175 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 17 [2021-03-26 09:47:29,178 INFO L480 AbstractCegarLoop]: Abstraction has has 33 places, 21 transitions, 70 flow [2021-03-26 09:47:29,179 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 152.75) internal successors, (611), 4 states have internal predecessors, (611), 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) [2021-03-26 09:47:29,179 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 09:47:29,179 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 09:47:29,179 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-03-26 09:47:29,179 INFO L428 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-26 09:47:29,179 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 09:47:29,180 INFO L82 PathProgramCache]: Analyzing trace with hash 1261522389, now seen corresponding path program 1 times [2021-03-26 09:47:29,180 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 09:47:29,180 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1172122488] [2021-03-26 09:47:29,180 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 09:47:29,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 09:47:29,309 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 09:47:29,309 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 09:47:29,315 INFO L142 QuantifierPusher]: treesize reduction 9, result has 71.0 percent of original size [2021-03-26 09:47:29,316 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-26 09:47:29,332 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 09:47:29,332 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-26 09:47:29,350 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 09:47:29,351 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1172122488] [2021-03-26 09:47:29,351 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 09:47:29,351 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-26 09:47:29,351 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [408478767] [2021-03-26 09:47:29,351 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-03-26 09:47:29,351 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 09:47:29,352 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-03-26 09:47:29,352 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-03-26 09:47:29,353 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 130 out of 190 [2021-03-26 09:47:29,354 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 33 places, 21 transitions, 70 flow. Second operand has 5 states, 5 states have (on average 131.2) internal successors, (656), 5 states have internal predecessors, (656), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 09:47:29,354 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 09:47:29,354 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 130 of 190 [2021-03-26 09:47:29,354 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 09:47:29,461 INFO L129 PetriNetUnfolder]: 199/352 cut-off events. [2021-03-26 09:47:29,461 INFO L130 PetriNetUnfolder]: For 154/157 co-relation queries the response was YES. [2021-03-26 09:47:29,462 INFO L84 FinitePrefix]: Finished finitePrefix Result has 973 conditions, 352 events. 199/352 cut-off events. For 154/157 co-relation queries the response was YES. Maximal size of possible extension queue 35. Compared 1489 event pairs, 72 based on Foata normal form. 2/346 useless extension candidates. Maximal degree in co-relation 961. Up to 288 conditions per place. [2021-03-26 09:47:29,464 INFO L132 encePairwiseOnDemand]: 181/190 looper letters, 16 selfloop transitions, 11 changer transitions 0/37 dead transitions. [2021-03-26 09:47:29,464 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 37 places, 37 transitions, 183 flow [2021-03-26 09:47:29,465 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-26 09:47:29,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-03-26 09:47:29,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 678 transitions. [2021-03-26 09:47:29,467 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7136842105263158 [2021-03-26 09:47:29,467 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 678 transitions. [2021-03-26 09:47:29,467 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 678 transitions. [2021-03-26 09:47:29,467 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 09:47:29,468 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 678 transitions. [2021-03-26 09:47:29,469 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 135.6) internal successors, (678), 5 states have internal predecessors, (678), 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) [2021-03-26 09:47:29,471 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 190.0) internal successors, (1140), 6 states have internal predecessors, (1140), 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) [2021-03-26 09:47:29,471 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 190.0) internal successors, (1140), 6 states have internal predecessors, (1140), 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) [2021-03-26 09:47:29,472 INFO L185 Difference]: Start difference. First operand has 33 places, 21 transitions, 70 flow. Second operand 5 states and 678 transitions. [2021-03-26 09:47:29,472 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 37 places, 37 transitions, 183 flow [2021-03-26 09:47:29,475 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 35 places, 37 transitions, 175 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-03-26 09:47:29,476 INFO L241 Difference]: Finished difference. Result has 38 places, 31 transitions, 155 flow [2021-03-26 09:47:29,476 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=190, PETRI_DIFFERENCE_MINUEND_FLOW=66, PETRI_DIFFERENCE_MINUEND_PLACES=31, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=21, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=13, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=155, PETRI_PLACES=38, PETRI_TRANSITIONS=31} [2021-03-26 09:47:29,476 INFO L343 CegarLoopForPetriNet]: 51 programPoint places, -13 predicate places. [2021-03-26 09:47:29,476 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 09:47:29,476 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 38 places, 31 transitions, 155 flow [2021-03-26 09:47:29,476 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 38 places, 31 transitions, 155 flow [2021-03-26 09:47:29,477 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 38 places, 31 transitions, 155 flow [2021-03-26 09:47:29,504 INFO L129 PetriNetUnfolder]: 84/213 cut-off events. [2021-03-26 09:47:29,504 INFO L130 PetriNetUnfolder]: For 87/97 co-relation queries the response was YES. [2021-03-26 09:47:29,505 INFO L84 FinitePrefix]: Finished finitePrefix Result has 583 conditions, 213 events. 84/213 cut-off events. For 87/97 co-relation queries the response was YES. Maximal size of possible extension queue 24. Compared 1000 event pairs, 47 based on Foata normal form. 0/196 useless extension candidates. Maximal degree in co-relation 570. Up to 123 conditions per place. [2021-03-26 09:47:29,507 INFO L142 LiptonReduction]: Number of co-enabled transitions 238 [2021-03-26 09:47:29,542 INFO L154 LiptonReduction]: Checked pairs total: 132 [2021-03-26 09:47:29,542 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 09:47:29,542 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 66 [2021-03-26 09:47:29,546 INFO L480 AbstractCegarLoop]: Abstraction has has 38 places, 31 transitions, 155 flow [2021-03-26 09:47:29,547 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 131.2) internal successors, (656), 5 states have internal predecessors, (656), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 09:47:29,547 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 09:47:29,547 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 09:47:29,547 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-03-26 09:47:29,547 INFO L428 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-26 09:47:29,547 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 09:47:29,547 INFO L82 PathProgramCache]: Analyzing trace with hash -1341307117, now seen corresponding path program 2 times [2021-03-26 09:47:29,547 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 09:47:29,548 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [86978251] [2021-03-26 09:47:29,548 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 09:47:29,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 09:47:29,628 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 09:47:29,629 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 09:47:29,631 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 09:47:29,631 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [86978251] [2021-03-26 09:47:29,631 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 09:47:29,631 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-03-26 09:47:29,632 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1626058377] [2021-03-26 09:47:29,632 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-03-26 09:47:29,632 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 09:47:29,632 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-03-26 09:47:29,632 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-03-26 09:47:29,633 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 167 out of 190 [2021-03-26 09:47:29,634 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 38 places, 31 transitions, 155 flow. Second operand has 3 states, 3 states have (on average 167.66666666666666) internal successors, (503), 3 states have internal predecessors, (503), 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) [2021-03-26 09:47:29,634 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 09:47:29,634 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 167 of 190 [2021-03-26 09:47:29,634 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 09:47:29,672 INFO L129 PetriNetUnfolder]: 94/210 cut-off events. [2021-03-26 09:47:29,672 INFO L130 PetriNetUnfolder]: For 208/225 co-relation queries the response was YES. [2021-03-26 09:47:29,673 INFO L84 FinitePrefix]: Finished finitePrefix Result has 651 conditions, 210 events. 94/210 cut-off events. For 208/225 co-relation queries the response was YES. Maximal size of possible extension queue 24. Compared 946 event pairs, 42 based on Foata normal form. 4/195 useless extension candidates. Maximal degree in co-relation 636. Up to 130 conditions per place. [2021-03-26 09:47:29,674 INFO L132 encePairwiseOnDemand]: 187/190 looper letters, 1 selfloop transitions, 5 changer transitions 0/31 dead transitions. [2021-03-26 09:47:29,674 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 40 places, 31 transitions, 167 flow [2021-03-26 09:47:29,675 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-26 09:47:29,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-03-26 09:47:29,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 505 transitions. [2021-03-26 09:47:29,676 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8859649122807017 [2021-03-26 09:47:29,676 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 505 transitions. [2021-03-26 09:47:29,676 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 505 transitions. [2021-03-26 09:47:29,677 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 09:47:29,677 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 505 transitions. [2021-03-26 09:47:29,678 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 168.33333333333334) internal successors, (505), 3 states have internal predecessors, (505), 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) [2021-03-26 09:47:29,680 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 190.0) internal successors, (760), 4 states have internal predecessors, (760), 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) [2021-03-26 09:47:29,680 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 190.0) internal successors, (760), 4 states have internal predecessors, (760), 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) [2021-03-26 09:47:29,680 INFO L185 Difference]: Start difference. First operand has 38 places, 31 transitions, 155 flow. Second operand 3 states and 505 transitions. [2021-03-26 09:47:29,680 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 40 places, 31 transitions, 167 flow [2021-03-26 09:47:29,683 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 40 places, 31 transitions, 159 flow, removed 4 selfloop flow, removed 0 redundant places. [2021-03-26 09:47:29,684 INFO L241 Difference]: Finished difference. Result has 41 places, 31 transitions, 164 flow [2021-03-26 09:47:29,684 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=190, PETRI_DIFFERENCE_MINUEND_FLOW=147, PETRI_DIFFERENCE_MINUEND_PLACES=38, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=31, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=26, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=164, PETRI_PLACES=41, PETRI_TRANSITIONS=31} [2021-03-26 09:47:29,685 INFO L343 CegarLoopForPetriNet]: 51 programPoint places, -10 predicate places. [2021-03-26 09:47:29,685 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 09:47:29,685 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 41 places, 31 transitions, 164 flow [2021-03-26 09:47:29,685 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 41 places, 31 transitions, 164 flow [2021-03-26 09:47:29,685 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 41 places, 31 transitions, 164 flow [2021-03-26 09:47:29,713 INFO L129 PetriNetUnfolder]: 80/205 cut-off events. [2021-03-26 09:47:29,714 INFO L130 PetriNetUnfolder]: For 130/140 co-relation queries the response was YES. [2021-03-26 09:47:29,715 INFO L84 FinitePrefix]: Finished finitePrefix Result has 595 conditions, 205 events. 80/205 cut-off events. For 130/140 co-relation queries the response was YES. Maximal size of possible extension queue 23. Compared 970 event pairs, 45 based on Foata normal form. 0/188 useless extension candidates. Maximal degree in co-relation 579. Up to 98 conditions per place. [2021-03-26 09:47:29,717 INFO L142 LiptonReduction]: Number of co-enabled transitions 234 [2021-03-26 09:47:29,725 INFO L154 LiptonReduction]: Checked pairs total: 130 [2021-03-26 09:47:29,725 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 09:47:29,746 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 61 [2021-03-26 09:47:29,747 INFO L480 AbstractCegarLoop]: Abstraction has has 41 places, 31 transitions, 164 flow [2021-03-26 09:47:29,747 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 167.66666666666666) internal successors, (503), 3 states have internal predecessors, (503), 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) [2021-03-26 09:47:29,748 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 09:47:29,748 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 09:47:29,748 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-03-26 09:47:29,748 INFO L428 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-26 09:47:29,748 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 09:47:29,748 INFO L82 PathProgramCache]: Analyzing trace with hash 198888807, now seen corresponding path program 1 times [2021-03-26 09:47:29,748 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 09:47:29,749 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1069740617] [2021-03-26 09:47:29,749 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 09:47:29,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 09:47:29,857 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 09:47:29,858 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 09:47:29,863 INFO L142 QuantifierPusher]: treesize reduction 11, result has 54.2 percent of original size [2021-03-26 09:47:29,864 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 09:47:29,870 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 09:47:29,870 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 09:47:29,871 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 09:47:29,871 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1069740617] [2021-03-26 09:47:29,871 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 09:47:29,871 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-26 09:47:29,871 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2104665190] [2021-03-26 09:47:29,872 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-03-26 09:47:29,872 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 09:47:29,873 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-03-26 09:47:29,874 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-03-26 09:47:29,875 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 161 out of 190 [2021-03-26 09:47:29,875 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 41 places, 31 transitions, 164 flow. Second operand has 4 states, 4 states have (on average 161.75) internal successors, (647), 4 states have internal predecessors, (647), 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) [2021-03-26 09:47:29,875 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 09:47:29,875 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 161 of 190 [2021-03-26 09:47:29,875 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 09:47:29,929 INFO L129 PetriNetUnfolder]: 113/279 cut-off events. [2021-03-26 09:47:29,930 INFO L130 PetriNetUnfolder]: For 243/275 co-relation queries the response was YES. [2021-03-26 09:47:29,931 INFO L84 FinitePrefix]: Finished finitePrefix Result has 775 conditions, 279 events. 113/279 cut-off events. For 243/275 co-relation queries the response was YES. Maximal size of possible extension queue 37. Compared 1515 event pairs, 50 based on Foata normal form. 37/298 useless extension candidates. Maximal degree in co-relation 757. Up to 132 conditions per place. [2021-03-26 09:47:29,932 INFO L132 encePairwiseOnDemand]: 184/190 looper letters, 9 selfloop transitions, 8 changer transitions 0/41 dead transitions. [2021-03-26 09:47:29,932 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 45 places, 41 transitions, 218 flow [2021-03-26 09:47:29,933 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-26 09:47:29,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-03-26 09:47:29,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 823 transitions. [2021-03-26 09:47:29,935 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8663157894736843 [2021-03-26 09:47:29,935 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 823 transitions. [2021-03-26 09:47:29,935 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 823 transitions. [2021-03-26 09:47:29,936 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 09:47:29,936 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 823 transitions. [2021-03-26 09:47:29,937 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 164.6) internal successors, (823), 5 states have internal predecessors, (823), 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) [2021-03-26 09:47:29,939 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 190.0) internal successors, (1140), 6 states have internal predecessors, (1140), 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) [2021-03-26 09:47:29,939 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 190.0) internal successors, (1140), 6 states have internal predecessors, (1140), 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) [2021-03-26 09:47:29,939 INFO L185 Difference]: Start difference. First operand has 41 places, 31 transitions, 164 flow. Second operand 5 states and 823 transitions. [2021-03-26 09:47:29,939 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 45 places, 41 transitions, 218 flow [2021-03-26 09:47:29,940 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 43 places, 41 transitions, 208 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-03-26 09:47:29,941 INFO L241 Difference]: Finished difference. Result has 46 places, 38 transitions, 218 flow [2021-03-26 09:47:29,941 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=190, PETRI_DIFFERENCE_MINUEND_FLOW=154, PETRI_DIFFERENCE_MINUEND_PLACES=39, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=31, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=26, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=218, PETRI_PLACES=46, PETRI_TRANSITIONS=38} [2021-03-26 09:47:29,941 INFO L343 CegarLoopForPetriNet]: 51 programPoint places, -5 predicate places. [2021-03-26 09:47:29,942 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 09:47:29,942 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 46 places, 38 transitions, 218 flow [2021-03-26 09:47:29,942 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 46 places, 38 transitions, 218 flow [2021-03-26 09:47:29,942 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 46 places, 38 transitions, 218 flow [2021-03-26 09:47:29,970 INFO L129 PetriNetUnfolder]: 114/280 cut-off events. [2021-03-26 09:47:29,970 INFO L130 PetriNetUnfolder]: For 373/422 co-relation queries the response was YES. [2021-03-26 09:47:29,971 INFO L84 FinitePrefix]: Finished finitePrefix Result has 911 conditions, 280 events. 114/280 cut-off events. For 373/422 co-relation queries the response was YES. Maximal size of possible extension queue 42. Compared 1627 event pairs, 54 based on Foata normal form. 13/272 useless extension candidates. Maximal degree in co-relation 892. Up to 126 conditions per place. [2021-03-26 09:47:29,974 INFO L142 LiptonReduction]: Number of co-enabled transitions 328 [2021-03-26 09:47:30,021 INFO L154 LiptonReduction]: Checked pairs total: 89 [2021-03-26 09:47:30,021 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 09:47:30,021 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 79 [2021-03-26 09:47:30,022 INFO L480 AbstractCegarLoop]: Abstraction has has 46 places, 38 transitions, 218 flow [2021-03-26 09:47:30,022 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 161.75) internal successors, (647), 4 states have internal predecessors, (647), 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) [2021-03-26 09:47:30,022 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 09:47:30,022 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 09:47:30,022 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-03-26 09:47:30,023 INFO L428 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-26 09:47:30,023 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 09:47:30,023 INFO L82 PathProgramCache]: Analyzing trace with hash 792244392, now seen corresponding path program 1 times [2021-03-26 09:47:30,023 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 09:47:30,023 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [50398049] [2021-03-26 09:47:30,023 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 09:47:30,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 09:47:30,136 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 09:47:30,137 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 09:47:30,140 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 09:47:30,141 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 09:47:30,145 INFO L142 QuantifierPusher]: treesize reduction 11, result has 54.2 percent of original size [2021-03-26 09:47:30,146 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 09:47:30,152 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 09:47:30,152 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 09:47:30,152 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 09:47:30,153 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [50398049] [2021-03-26 09:47:30,154 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 09:47:30,154 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-03-26 09:47:30,154 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1029424841] [2021-03-26 09:47:30,154 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-03-26 09:47:30,154 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 09:47:30,154 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-03-26 09:47:30,155 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-03-26 09:47:30,155 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 161 out of 190 [2021-03-26 09:47:30,156 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 46 places, 38 transitions, 218 flow. Second operand has 5 states, 5 states have (on average 161.8) internal successors, (809), 5 states have internal predecessors, (809), 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) [2021-03-26 09:47:30,156 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 09:47:30,156 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 161 of 190 [2021-03-26 09:47:30,156 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 09:47:30,220 INFO L129 PetriNetUnfolder]: 68/209 cut-off events. [2021-03-26 09:47:30,220 INFO L130 PetriNetUnfolder]: For 355/509 co-relation queries the response was YES. [2021-03-26 09:47:30,221 INFO L84 FinitePrefix]: Finished finitePrefix Result has 776 conditions, 209 events. 68/209 cut-off events. For 355/509 co-relation queries the response was YES. Maximal size of possible extension queue 32. Compared 1145 event pairs, 18 based on Foata normal form. 112/308 useless extension candidates. Maximal degree in co-relation 755. Up to 107 conditions per place. [2021-03-26 09:47:30,223 INFO L132 encePairwiseOnDemand]: 184/190 looper letters, 5 selfloop transitions, 15 changer transitions 3/46 dead transitions. [2021-03-26 09:47:30,224 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 52 places, 46 transitions, 306 flow [2021-03-26 09:47:30,224 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-26 09:47:30,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-26 09:47:30,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 1152 transitions. [2021-03-26 09:47:30,227 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8661654135338346 [2021-03-26 09:47:30,227 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 1152 transitions. [2021-03-26 09:47:30,227 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 1152 transitions. [2021-03-26 09:47:30,227 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 09:47:30,227 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 1152 transitions. [2021-03-26 09:47:30,229 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 164.57142857142858) internal successors, (1152), 7 states have internal predecessors, (1152), 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) [2021-03-26 09:47:30,232 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 190.0) internal successors, (1520), 8 states have internal predecessors, (1520), 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) [2021-03-26 09:47:30,232 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 190.0) internal successors, (1520), 8 states have internal predecessors, (1520), 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) [2021-03-26 09:47:30,232 INFO L185 Difference]: Start difference. First operand has 46 places, 38 transitions, 218 flow. Second operand 7 states and 1152 transitions. [2021-03-26 09:47:30,232 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 52 places, 46 transitions, 306 flow [2021-03-26 09:47:30,235 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 51 places, 46 transitions, 302 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-03-26 09:47:30,236 INFO L241 Difference]: Finished difference. Result has 54 places, 43 transitions, 297 flow [2021-03-26 09:47:30,236 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=190, PETRI_DIFFERENCE_MINUEND_FLOW=198, PETRI_DIFFERENCE_MINUEND_PLACES=45, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=36, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=11, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=24, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=297, PETRI_PLACES=54, PETRI_TRANSITIONS=43} [2021-03-26 09:47:30,237 INFO L343 CegarLoopForPetriNet]: 51 programPoint places, 3 predicate places. [2021-03-26 09:47:30,237 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 09:47:30,237 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 54 places, 43 transitions, 297 flow [2021-03-26 09:47:30,237 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 54 places, 43 transitions, 297 flow [2021-03-26 09:47:30,237 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 54 places, 43 transitions, 297 flow [2021-03-26 09:47:30,257 INFO L129 PetriNetUnfolder]: 65/204 cut-off events. [2021-03-26 09:47:30,258 INFO L130 PetriNetUnfolder]: For 517/563 co-relation queries the response was YES. [2021-03-26 09:47:30,259 INFO L84 FinitePrefix]: Finished finitePrefix Result has 816 conditions, 204 events. 65/204 cut-off events. For 517/563 co-relation queries the response was YES. Maximal size of possible extension queue 32. Compared 1138 event pairs, 19 based on Foata normal form. 5/196 useless extension candidates. Maximal degree in co-relation 793. Up to 101 conditions per place. [2021-03-26 09:47:30,260 INFO L142 LiptonReduction]: Number of co-enabled transitions 372 [2021-03-26 09:47:30,695 WARN L205 SmtUtils]: Spent 433.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 161 [2021-03-26 09:47:30,806 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 134 [2021-03-26 09:47:31,935 WARN L205 SmtUtils]: Spent 1.13 s on a formula simplification. DAG size of input: 330 DAG size of output: 228 [2021-03-26 09:47:32,174 WARN L205 SmtUtils]: Spent 235.00 ms on a formula simplification that was a NOOP. DAG size: 200 [2021-03-26 09:47:32,184 INFO L154 LiptonReduction]: Checked pairs total: 317 [2021-03-26 09:47:32,184 INFO L156 LiptonReduction]: Total number of compositions: 3 [2021-03-26 09:47:32,184 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1947 [2021-03-26 09:47:32,185 INFO L480 AbstractCegarLoop]: Abstraction has has 54 places, 41 transitions, 283 flow [2021-03-26 09:47:32,185 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 161.8) internal successors, (809), 5 states have internal predecessors, (809), 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) [2021-03-26 09:47:32,185 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 09:47:32,185 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 09:47:32,185 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-03-26 09:47:32,185 INFO L428 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-26 09:47:32,186 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 09:47:32,186 INFO L82 PathProgramCache]: Analyzing trace with hash -1210501767, now seen corresponding path program 1 times [2021-03-26 09:47:32,186 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 09:47:32,186 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [977339758] [2021-03-26 09:47:32,186 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 09:47:32,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 09:47:32,233 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 09:47:32,233 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 09:47:32,233 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 09:47:32,234 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 09:47:32,236 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 09:47:32,236 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 09:47:32,239 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-03-26 09:47:32,240 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-26 09:47:32,250 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 09:47:32,250 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [977339758] [2021-03-26 09:47:32,250 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 09:47:32,250 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-03-26 09:47:32,250 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1776127027] [2021-03-26 09:47:32,250 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-03-26 09:47:32,250 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 09:47:32,251 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-03-26 09:47:32,251 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-03-26 09:47:32,252 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 145 out of 191 [2021-03-26 09:47:32,252 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 54 places, 41 transitions, 283 flow. Second operand has 5 states, 5 states have (on average 146.6) internal successors, (733), 5 states have internal predecessors, (733), 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) [2021-03-26 09:47:32,252 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 09:47:32,253 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 145 of 191 [2021-03-26 09:47:32,253 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 09:47:32,327 INFO L129 PetriNetUnfolder]: 87/231 cut-off events. [2021-03-26 09:47:32,328 INFO L130 PetriNetUnfolder]: For 596/673 co-relation queries the response was YES. [2021-03-26 09:47:32,329 INFO L84 FinitePrefix]: Finished finitePrefix Result has 976 conditions, 231 events. 87/231 cut-off events. For 596/673 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 1092 event pairs, 6 based on Foata normal form. 9/230 useless extension candidates. Maximal degree in co-relation 951. Up to 89 conditions per place. [2021-03-26 09:47:32,330 INFO L132 encePairwiseOnDemand]: 184/191 looper letters, 28 selfloop transitions, 11 changer transitions 0/58 dead transitions. [2021-03-26 09:47:32,330 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 54 places, 58 transitions, 460 flow [2021-03-26 09:47:32,331 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-03-26 09:47:32,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-03-26 09:47:32,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 896 transitions. [2021-03-26 09:47:32,333 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7818499127399651 [2021-03-26 09:47:32,333 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 896 transitions. [2021-03-26 09:47:32,333 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 896 transitions. [2021-03-26 09:47:32,333 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 09:47:32,333 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 896 transitions. [2021-03-26 09:47:32,335 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 149.33333333333334) internal successors, (896), 6 states have internal predecessors, (896), 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) [2021-03-26 09:47:32,337 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 191.0) internal successors, (1337), 7 states have internal predecessors, (1337), 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) [2021-03-26 09:47:32,337 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 191.0) internal successors, (1337), 7 states have internal predecessors, (1337), 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) [2021-03-26 09:47:32,337 INFO L185 Difference]: Start difference. First operand has 54 places, 41 transitions, 283 flow. Second operand 6 states and 896 transitions. [2021-03-26 09:47:32,337 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 54 places, 58 transitions, 460 flow [2021-03-26 09:47:32,340 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 49 places, 58 transitions, 422 flow, removed 15 selfloop flow, removed 5 redundant places. [2021-03-26 09:47:32,341 INFO L241 Difference]: Finished difference. Result has 53 places, 44 transitions, 312 flow [2021-03-26 09:47:32,341 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=191, PETRI_DIFFERENCE_MINUEND_FLOW=198, PETRI_DIFFERENCE_MINUEND_PLACES=44, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=35, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=27, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=312, PETRI_PLACES=53, PETRI_TRANSITIONS=44} [2021-03-26 09:47:32,341 INFO L343 CegarLoopForPetriNet]: 51 programPoint places, 2 predicate places. [2021-03-26 09:47:32,341 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 09:47:32,341 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 53 places, 44 transitions, 312 flow [2021-03-26 09:47:32,342 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 53 places, 44 transitions, 312 flow [2021-03-26 09:47:32,342 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 53 places, 44 transitions, 312 flow [2021-03-26 09:47:32,367 INFO L129 PetriNetUnfolder]: 80/243 cut-off events. [2021-03-26 09:47:32,368 INFO L130 PetriNetUnfolder]: For 381/412 co-relation queries the response was YES. [2021-03-26 09:47:32,369 INFO L84 FinitePrefix]: Finished finitePrefix Result has 827 conditions, 243 events. 80/243 cut-off events. For 381/412 co-relation queries the response was YES. Maximal size of possible extension queue 23. Compared 1261 event pairs, 19 based on Foata normal form. 1/238 useless extension candidates. Maximal degree in co-relation 803. Up to 72 conditions per place. [2021-03-26 09:47:32,370 INFO L142 LiptonReduction]: Number of co-enabled transitions 246 [2021-03-26 09:47:32,401 INFO L154 LiptonReduction]: Checked pairs total: 123 [2021-03-26 09:47:32,401 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-26 09:47:32,401 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 60 [2021-03-26 09:47:32,402 INFO L480 AbstractCegarLoop]: Abstraction has has 53 places, 44 transitions, 314 flow [2021-03-26 09:47:32,403 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 146.6) internal successors, (733), 5 states have internal predecessors, (733), 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) [2021-03-26 09:47:32,403 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 09:47:32,403 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 09:47:32,404 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-03-26 09:47:32,404 INFO L428 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-26 09:47:32,404 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 09:47:32,404 INFO L82 PathProgramCache]: Analyzing trace with hash 1080192605, now seen corresponding path program 1 times [2021-03-26 09:47:32,404 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 09:47:32,404 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1098276821] [2021-03-26 09:47:32,404 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 09:47:32,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 09:47:32,474 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 09:47:32,474 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 09:47:32,476 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 09:47:32,477 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 09:47:32,480 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 09:47:32,480 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 09:47:32,485 INFO L142 QuantifierPusher]: treesize reduction 11, result has 54.2 percent of original size [2021-03-26 09:47:32,486 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 09:47:32,492 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 09:47:32,493 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 09:47:32,493 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 09:47:32,493 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1098276821] [2021-03-26 09:47:32,494 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 09:47:32,494 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-03-26 09:47:32,494 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1437639888] [2021-03-26 09:47:32,494 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-03-26 09:47:32,494 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 09:47:32,498 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-03-26 09:47:32,498 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-03-26 09:47:32,499 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 163 out of 192 [2021-03-26 09:47:32,499 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 53 places, 44 transitions, 314 flow. Second operand has 6 states, 6 states have (on average 163.83333333333334) internal successors, (983), 6 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) [2021-03-26 09:47:32,499 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 09:47:32,500 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 163 of 192 [2021-03-26 09:47:32,500 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 09:47:32,590 INFO L129 PetriNetUnfolder]: 64/181 cut-off events. [2021-03-26 09:47:32,590 INFO L130 PetriNetUnfolder]: For 356/433 co-relation queries the response was YES. [2021-03-26 09:47:32,591 INFO L84 FinitePrefix]: Finished finitePrefix Result has 730 conditions, 181 events. 64/181 cut-off events. For 356/433 co-relation queries the response was YES. Maximal size of possible extension queue 23. Compared 843 event pairs, 9 based on Foata normal form. 35/205 useless extension candidates. Maximal degree in co-relation 704. Up to 69 conditions per place. [2021-03-26 09:47:32,592 INFO L132 encePairwiseOnDemand]: 186/192 looper letters, 2 selfloop transitions, 11 changer transitions 5/48 dead transitions. [2021-03-26 09:47:32,592 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 59 places, 48 transitions, 376 flow [2021-03-26 09:47:32,592 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-26 09:47:32,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-26 09:47:32,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 1159 transitions. [2021-03-26 09:47:32,595 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8623511904761905 [2021-03-26 09:47:32,595 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 1159 transitions. [2021-03-26 09:47:32,595 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 1159 transitions. [2021-03-26 09:47:32,595 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 09:47:32,596 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 1159 transitions. [2021-03-26 09:47:32,598 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 165.57142857142858) internal successors, (1159), 7 states have internal predecessors, (1159), 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) [2021-03-26 09:47:32,600 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 192.0) internal successors, (1536), 8 states have internal predecessors, (1536), 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) [2021-03-26 09:47:32,600 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 192.0) internal successors, (1536), 8 states have internal predecessors, (1536), 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) [2021-03-26 09:47:32,600 INFO L185 Difference]: Start difference. First operand has 53 places, 44 transitions, 314 flow. Second operand 7 states and 1159 transitions. [2021-03-26 09:47:32,600 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 59 places, 48 transitions, 376 flow [2021-03-26 09:47:32,602 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 56 places, 48 transitions, 325 flow, removed 17 selfloop flow, removed 3 redundant places. [2021-03-26 09:47:32,604 INFO L241 Difference]: Finished difference. Result has 59 places, 43 transitions, 292 flow [2021-03-26 09:47:32,604 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=192, PETRI_DIFFERENCE_MINUEND_FLOW=269, PETRI_DIFFERENCE_MINUEND_PLACES=50, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=44, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=33, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=292, PETRI_PLACES=59, PETRI_TRANSITIONS=43} [2021-03-26 09:47:32,604 INFO L343 CegarLoopForPetriNet]: 51 programPoint places, 8 predicate places. [2021-03-26 09:47:32,604 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 09:47:32,604 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 59 places, 43 transitions, 292 flow [2021-03-26 09:47:32,605 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 59 places, 43 transitions, 292 flow [2021-03-26 09:47:32,605 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 57 places, 43 transitions, 292 flow [2021-03-26 09:47:32,617 INFO L129 PetriNetUnfolder]: 34/112 cut-off events. [2021-03-26 09:47:32,618 INFO L130 PetriNetUnfolder]: For 198/225 co-relation queries the response was YES. [2021-03-26 09:47:32,618 INFO L84 FinitePrefix]: Finished finitePrefix Result has 407 conditions, 112 events. 34/112 cut-off events. For 198/225 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 457 event pairs, 1 based on Foata normal form. 1/108 useless extension candidates. Maximal degree in co-relation 387. Up to 38 conditions per place. [2021-03-26 09:47:32,619 INFO L142 LiptonReduction]: Number of co-enabled transitions 198 [2021-03-26 09:47:32,937 WARN L205 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2021-03-26 09:47:33,060 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2021-03-26 09:47:33,394 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 119 [2021-03-26 09:47:33,530 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 119 [2021-03-26 09:47:33,550 INFO L154 LiptonReduction]: Checked pairs total: 128 [2021-03-26 09:47:33,550 INFO L156 LiptonReduction]: Total number of compositions: 4 [2021-03-26 09:47:33,550 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 946 [2021-03-26 09:47:33,551 INFO L480 AbstractCegarLoop]: Abstraction has has 54 places, 40 transitions, 280 flow [2021-03-26 09:47:33,551 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 163.83333333333334) internal successors, (983), 6 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) [2021-03-26 09:47:33,551 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 09:47:33,551 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] [2021-03-26 09:47:33,551 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-03-26 09:47:33,551 INFO L428 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-26 09:47:33,552 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 09:47:33,552 INFO L82 PathProgramCache]: Analyzing trace with hash -34429708, now seen corresponding path program 1 times [2021-03-26 09:47:33,552 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 09:47:33,552 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1916492243] [2021-03-26 09:47:33,552 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 09:47:33,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 09:47:33,595 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 09:47:33,596 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 09:47:33,596 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 09:47:33,597 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 09:47:33,600 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 09:47:33,601 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 09:47:33,606 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-03-26 09:47:33,607 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-26 09:47:33,616 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 09:47:33,616 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1916492243] [2021-03-26 09:47:33,616 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 09:47:33,616 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-03-26 09:47:33,616 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [734601361] [2021-03-26 09:47:33,617 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-03-26 09:47:33,617 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 09:47:33,617 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-03-26 09:47:33,617 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-03-26 09:47:33,618 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 146 out of 195 [2021-03-26 09:47:33,619 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 54 places, 40 transitions, 280 flow. Second operand has 5 states, 5 states have (on average 147.6) internal successors, (738), 5 states have internal predecessors, (738), 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) [2021-03-26 09:47:33,619 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 09:47:33,619 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 146 of 195 [2021-03-26 09:47:33,619 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 09:47:33,674 INFO L129 PetriNetUnfolder]: 44/129 cut-off events. [2021-03-26 09:47:33,674 INFO L130 PetriNetUnfolder]: For 787/885 co-relation queries the response was YES. [2021-03-26 09:47:33,675 INFO L84 FinitePrefix]: Finished finitePrefix Result has 528 conditions, 129 events. 44/129 cut-off events. For 787/885 co-relation queries the response was YES. Maximal size of possible extension queue 17. Compared 524 event pairs, 0 based on Foata normal form. 27/148 useless extension candidates. Maximal degree in co-relation 500. Up to 46 conditions per place. [2021-03-26 09:47:33,675 INFO L132 encePairwiseOnDemand]: 188/195 looper letters, 5 selfloop transitions, 3 changer transitions 25/49 dead transitions. [2021-03-26 09:47:33,675 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 58 places, 49 transitions, 390 flow [2021-03-26 09:47:33,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-26 09:47:33,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-03-26 09:47:33,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 751 transitions. [2021-03-26 09:47:33,677 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7702564102564102 [2021-03-26 09:47:33,678 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 751 transitions. [2021-03-26 09:47:33,678 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 751 transitions. [2021-03-26 09:47:33,678 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 09:47:33,678 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 751 transitions. [2021-03-26 09:47:33,679 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 150.2) internal successors, (751), 5 states have internal predecessors, (751), 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) [2021-03-26 09:47:33,681 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 195.0) internal successors, (1170), 6 states have internal predecessors, (1170), 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) [2021-03-26 09:47:33,681 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 195.0) internal successors, (1170), 6 states have internal predecessors, (1170), 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) [2021-03-26 09:47:33,681 INFO L185 Difference]: Start difference. First operand has 54 places, 40 transitions, 280 flow. Second operand 5 states and 751 transitions. [2021-03-26 09:47:33,681 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 58 places, 49 transitions, 390 flow [2021-03-26 09:47:33,683 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 50 places, 49 transitions, 350 flow, removed 11 selfloop flow, removed 8 redundant places. [2021-03-26 09:47:33,684 INFO L241 Difference]: Finished difference. Result has 52 places, 24 transitions, 140 flow [2021-03-26 09:47:33,684 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=195, PETRI_DIFFERENCE_MINUEND_FLOW=240, PETRI_DIFFERENCE_MINUEND_PLACES=46, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=40, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=37, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=140, PETRI_PLACES=52, PETRI_TRANSITIONS=24} [2021-03-26 09:47:33,684 INFO L343 CegarLoopForPetriNet]: 51 programPoint places, 1 predicate places. [2021-03-26 09:47:33,684 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 09:47:33,684 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 52 places, 24 transitions, 140 flow [2021-03-26 09:47:33,685 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 52 places, 24 transitions, 140 flow [2021-03-26 09:47:33,685 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 48 places, 24 transitions, 140 flow [2021-03-26 09:47:33,689 INFO L129 PetriNetUnfolder]: 6/33 cut-off events. [2021-03-26 09:47:33,689 INFO L130 PetriNetUnfolder]: For 35/36 co-relation queries the response was YES. [2021-03-26 09:47:33,689 INFO L84 FinitePrefix]: Finished finitePrefix Result has 112 conditions, 33 events. 6/33 cut-off events. For 35/36 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 48 event pairs, 0 based on Foata normal form. 0/32 useless extension candidates. Maximal degree in co-relation 92. Up to 10 conditions per place. [2021-03-26 09:47:33,690 INFO L142 LiptonReduction]: Number of co-enabled transitions 60 [2021-03-26 09:47:33,819 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 137 [2021-03-26 09:47:33,947 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 137 [2021-03-26 09:47:34,275 WARN L205 SmtUtils]: Spent 326.00 ms on a formula simplification that was a NOOP. DAG size: 203 [2021-03-26 09:47:34,588 WARN L205 SmtUtils]: Spent 311.00 ms on a formula simplification that was a NOOP. DAG size: 203 [2021-03-26 09:47:35,161 WARN L205 SmtUtils]: Spent 570.00 ms on a formula simplification. DAG size of input: 212 DAG size of output: 172 [2021-03-26 09:47:35,391 WARN L205 SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 170 [2021-03-26 09:47:36,501 WARN L205 SmtUtils]: Spent 1.11 s on a formula simplification. DAG size of input: 296 DAG size of output: 252 [2021-03-26 09:47:36,987 WARN L205 SmtUtils]: Spent 484.00 ms on a formula simplification that was a NOOP. DAG size: 249 [2021-03-26 09:47:37,081 INFO L154 LiptonReduction]: Checked pairs total: 79 [2021-03-26 09:47:37,082 INFO L156 LiptonReduction]: Total number of compositions: 3 [2021-03-26 09:47:37,082 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 3398 [2021-03-26 09:47:37,082 INFO L480 AbstractCegarLoop]: Abstraction has has 44 places, 21 transitions, 128 flow [2021-03-26 09:47:37,083 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 147.6) internal successors, (738), 5 states have internal predecessors, (738), 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) [2021-03-26 09:47:37,083 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 09:47:37,083 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 09:47:37,083 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-03-26 09:47:37,083 INFO L428 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-26 09:47:37,083 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 09:47:37,083 INFO L82 PathProgramCache]: Analyzing trace with hash -840089780, now seen corresponding path program 1 times [2021-03-26 09:47:37,084 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 09:47:37,084 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1918765052] [2021-03-26 09:47:37,084 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 09:47:37,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 09:47:37,144 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 09:47:37,144 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 09:47:37,148 INFO L142 QuantifierPusher]: treesize reduction 22, result has 61.4 percent of original size [2021-03-26 09:47:37,149 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-26 09:47:37,183 INFO L142 QuantifierPusher]: treesize reduction 10, result has 80.8 percent of original size [2021-03-26 09:47:37,184 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-03-26 09:47:37,198 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 09:47:37,198 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-26 09:47:37,204 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 09:47:37,204 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1918765052] [2021-03-26 09:47:37,204 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 09:47:37,204 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-03-26 09:47:37,205 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [82085052] [2021-03-26 09:47:37,205 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-03-26 09:47:37,205 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 09:47:37,205 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-03-26 09:47:37,205 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-03-26 09:47:37,206 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 142 out of 198 [2021-03-26 09:47:37,207 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 44 places, 21 transitions, 128 flow. Second operand has 6 states, 6 states have (on average 142.83333333333334) internal successors, (857), 6 states have internal predecessors, (857), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 09:47:37,207 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 09:47:37,207 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 142 of 198 [2021-03-26 09:47:37,207 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 09:47:37,301 INFO L129 PetriNetUnfolder]: 12/48 cut-off events. [2021-03-26 09:47:37,301 INFO L130 PetriNetUnfolder]: For 103/108 co-relation queries the response was YES. [2021-03-26 09:47:37,302 INFO L84 FinitePrefix]: Finished finitePrefix Result has 165 conditions, 48 events. 12/48 cut-off events. For 103/108 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 146 event pairs, 0 based on Foata normal form. 5/52 useless extension candidates. Maximal degree in co-relation 143. Up to 18 conditions per place. [2021-03-26 09:47:37,302 INFO L132 encePairwiseOnDemand]: 193/198 looper letters, 1 selfloop transitions, 4 changer transitions 1/22 dead transitions. [2021-03-26 09:47:37,302 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 49 places, 22 transitions, 146 flow [2021-03-26 09:47:37,303 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-03-26 09:47:37,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-03-26 09:47:37,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 859 transitions. [2021-03-26 09:47:37,304 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7230639730639731 [2021-03-26 09:47:37,305 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 859 transitions. [2021-03-26 09:47:37,305 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 859 transitions. [2021-03-26 09:47:37,305 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 09:47:37,305 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 859 transitions. [2021-03-26 09:47:37,307 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 143.16666666666666) internal successors, (859), 6 states have internal predecessors, (859), 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) [2021-03-26 09:47:37,309 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 198.0) internal successors, (1386), 7 states have internal predecessors, (1386), 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) [2021-03-26 09:47:37,309 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 198.0) internal successors, (1386), 7 states have internal predecessors, (1386), 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) [2021-03-26 09:47:37,309 INFO L185 Difference]: Start difference. First operand has 44 places, 21 transitions, 128 flow. Second operand 6 states and 859 transitions. [2021-03-26 09:47:37,309 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 49 places, 22 transitions, 146 flow [2021-03-26 09:47:37,310 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 38 places, 22 transitions, 111 flow, removed 11 selfloop flow, removed 11 redundant places. [2021-03-26 09:47:37,310 INFO L241 Difference]: Finished difference. Result has 39 places, 21 transitions, 109 flow [2021-03-26 09:47:37,311 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=198, PETRI_DIFFERENCE_MINUEND_FLOW=97, PETRI_DIFFERENCE_MINUEND_PLACES=33, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=21, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=17, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=109, PETRI_PLACES=39, PETRI_TRANSITIONS=21} [2021-03-26 09:47:37,311 INFO L343 CegarLoopForPetriNet]: 51 programPoint places, -12 predicate places. [2021-03-26 09:47:37,311 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 09:47:37,311 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 39 places, 21 transitions, 109 flow [2021-03-26 09:47:37,311 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 39 places, 21 transitions, 109 flow [2021-03-26 09:47:37,311 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 38 places, 21 transitions, 109 flow [2021-03-26 09:47:37,316 INFO L129 PetriNetUnfolder]: 7/35 cut-off events. [2021-03-26 09:47:37,316 INFO L130 PetriNetUnfolder]: For 33/36 co-relation queries the response was YES. [2021-03-26 09:47:37,316 INFO L84 FinitePrefix]: Finished finitePrefix Result has 104 conditions, 35 events. 7/35 cut-off events. For 33/36 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 78 event pairs, 0 based on Foata normal form. 2/36 useless extension candidates. Maximal degree in co-relation 89. Up to 12 conditions per place. [2021-03-26 09:47:37,316 INFO L142 LiptonReduction]: Number of co-enabled transitions 24 [2021-03-26 09:47:37,516 WARN L205 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 64 [2021-03-26 09:47:37,864 WARN L205 SmtUtils]: Spent 288.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 87 [2021-03-26 09:47:37,969 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2021-03-26 09:47:38,127 WARN L205 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 64 [2021-03-26 09:47:38,479 WARN L205 SmtUtils]: Spent 295.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 87 [2021-03-26 09:47:38,587 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2021-03-26 09:47:38,760 WARN L205 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 64 [2021-03-26 09:47:39,134 WARN L205 SmtUtils]: Spent 307.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 90 [2021-03-26 09:47:39,251 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 87 [2021-03-26 09:47:39,587 WARN L205 SmtUtils]: Spent 334.00 ms on a formula simplification that was a NOOP. DAG size: 178 [2021-03-26 09:47:39,915 WARN L205 SmtUtils]: Spent 326.00 ms on a formula simplification that was a NOOP. DAG size: 178 [2021-03-26 09:47:40,921 WARN L205 SmtUtils]: Spent 1.00 s on a formula simplification. DAG size of input: 257 DAG size of output: 256 [2021-03-26 09:47:41,581 WARN L205 SmtUtils]: Spent 658.00 ms on a formula simplification that was a NOOP. DAG size: 256 [2021-03-26 09:47:41,741 INFO L154 LiptonReduction]: Checked pairs total: 36 [2021-03-26 09:47:41,741 INFO L156 LiptonReduction]: Total number of compositions: 5 [2021-03-26 09:47:41,741 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 4430 [2021-03-26 09:47:41,741 INFO L480 AbstractCegarLoop]: Abstraction has has 36 places, 19 transitions, 115 flow [2021-03-26 09:47:41,742 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 142.83333333333334) internal successors, (857), 6 states have internal predecessors, (857), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 09:47:41,742 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 09:47:41,742 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 09:47:41,742 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-03-26 09:47:41,742 INFO L428 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-26 09:47:41,742 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 09:47:41,743 INFO L82 PathProgramCache]: Analyzing trace with hash -685710086, now seen corresponding path program 1 times [2021-03-26 09:47:41,743 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 09:47:41,743 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1202961427] [2021-03-26 09:47:41,743 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 09:47:41,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-03-26 09:47:41,780 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-03-26 09:47:41,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-03-26 09:47:41,809 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-03-26 09:47:41,833 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-03-26 09:47:41,834 INFO L634 BasicCegarLoop]: Counterexample might be feasible [2021-03-26 09:47:41,834 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-03-26 09:47:41,904 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.03 09:47:41 BasicIcfg [2021-03-26 09:47:41,904 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-03-26 09:47:41,905 INFO L168 Benchmark]: Toolchain (without parser) took 22779.98 ms. Allocated memory was 255.9 MB in the beginning and 748.7 MB in the end (delta: 492.8 MB). Free memory was 235.3 MB in the beginning and 564.7 MB in the end (delta: -329.4 MB). Peak memory consumption was 162.0 MB. Max. memory is 16.0 GB. [2021-03-26 09:47:41,905 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 255.9 MB. Free memory is still 237.6 MB. There was no memory consumed. Max. memory is 16.0 GB. [2021-03-26 09:47:41,907 INFO L168 Benchmark]: CACSL2BoogieTranslator took 579.63 ms. Allocated memory was 255.9 MB in the beginning and 390.1 MB in the end (delta: 134.2 MB). Free memory was 235.3 MB in the beginning and 348.6 MB in the end (delta: -113.3 MB). Peak memory consumption was 21.0 MB. Max. memory is 16.0 GB. [2021-03-26 09:47:41,907 INFO L168 Benchmark]: Boogie Procedure Inliner took 77.15 ms. Allocated memory is still 390.1 MB. Free memory was 348.6 MB in the beginning and 345.7 MB in the end (delta: 2.9 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.0 GB. [2021-03-26 09:47:41,907 INFO L168 Benchmark]: Boogie Preprocessor took 44.58 ms. Allocated memory is still 390.1 MB. Free memory was 345.7 MB in the beginning and 343.2 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-03-26 09:47:41,907 INFO L168 Benchmark]: RCFGBuilder took 2205.91 ms. Allocated memory is still 390.1 MB. Free memory was 343.2 MB in the beginning and 293.1 MB in the end (delta: 50.1 MB). Peak memory consumption was 58.2 MB. Max. memory is 16.0 GB. [2021-03-26 09:47:41,911 INFO L168 Benchmark]: TraceAbstraction took 19868.45 ms. Allocated memory was 390.1 MB in the beginning and 748.7 MB in the end (delta: 358.6 MB). Free memory was 292.0 MB in the beginning and 564.7 MB in the end (delta: -272.6 MB). Peak memory consumption was 86.0 MB. Max. memory is 16.0 GB. [2021-03-26 09:47:41,914 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 255.9 MB. Free memory is still 237.6 MB. There was no memory consumed. Max. memory is 16.0 GB. * CACSL2BoogieTranslator took 579.63 ms. Allocated memory was 255.9 MB in the beginning and 390.1 MB in the end (delta: 134.2 MB). Free memory was 235.3 MB in the beginning and 348.6 MB in the end (delta: -113.3 MB). Peak memory consumption was 21.0 MB. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 77.15 ms. Allocated memory is still 390.1 MB. Free memory was 348.6 MB in the beginning and 345.7 MB in the end (delta: 2.9 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 44.58 ms. Allocated memory is still 390.1 MB. Free memory was 345.7 MB in the beginning and 343.2 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * RCFGBuilder took 2205.91 ms. Allocated memory is still 390.1 MB. Free memory was 343.2 MB in the beginning and 293.1 MB in the end (delta: 50.1 MB). Peak memory consumption was 58.2 MB. Max. memory is 16.0 GB. * TraceAbstraction took 19868.45 ms. Allocated memory was 390.1 MB in the beginning and 748.7 MB in the end (delta: 358.6 MB). Free memory was 292.0 MB in the beginning and 564.7 MB in the end (delta: -272.6 MB). Peak memory consumption was 86.0 MB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2903.8ms, 110 PlacesBefore, 51 PlacesAfterwards, 102 TransitionsBefore, 42 TransitionsAfterwards, 1862 CoEnabledTransitionPairs, 5 FixpointIterations, 30 TrivialSequentialCompositions, 34 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 3 ConcurrentYvCompositions, 1 ChoiceCompositions, 68 TotalNumberOfCompositions, 3248 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1854, positive: 1766, positive conditional: 1766, positive unconditional: 0, negative: 88, negative conditional: 88, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 1854, positive: 1766, positive conditional: 0, positive unconditional: 1766, negative: 88, negative conditional: 0, negative unconditional: 88, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1854, positive: 1766, positive conditional: 0, positive unconditional: 1766, negative: 88, negative conditional: 0, negative unconditional: 88, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1298, positive: 1267, positive conditional: 0, positive unconditional: 1267, negative: 31, negative conditional: 0, negative unconditional: 31, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1298, positive: 1257, positive conditional: 0, positive unconditional: 1257, negative: 41, negative conditional: 0, negative unconditional: 41, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 41, positive: 10, positive conditional: 0, positive unconditional: 10, negative: 31, negative conditional: 0, negative unconditional: 31, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 342, positive: 29, positive conditional: 0, positive unconditional: 29, negative: 313, negative conditional: 0, negative unconditional: 313, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 1854, positive: 499, positive conditional: 0, positive unconditional: 499, negative: 57, negative conditional: 0, negative unconditional: 57, unknown: 1298, unknown conditional: 0, unknown unconditional: 1298] , Statistics on independence cache: Total cache size (in pairs): 1298, Positive cache size: 1267, Positive conditional cache size: 0, Positive unconditional cache size: 1267, Negative cache size: 31, Negative conditional cache size: 0, Negative unconditional cache size: 31, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1819.2ms, 48 PlacesBefore, 34 PlacesAfterwards, 39 TransitionsBefore, 25 TransitionsAfterwards, 394 CoEnabledTransitionPairs, 4 FixpointIterations, 9 TrivialSequentialCompositions, 5 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 14 TotalNumberOfCompositions, 1610 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 538, positive: 437, positive conditional: 437, positive unconditional: 0, negative: 101, negative conditional: 101, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 538, positive: 437, positive conditional: 17, positive unconditional: 420, negative: 101, negative conditional: 4, negative unconditional: 97, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 538, positive: 437, positive conditional: 17, positive unconditional: 420, negative: 101, negative conditional: 4, negative unconditional: 97, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 174, positive: 136, positive conditional: 11, positive unconditional: 125, negative: 38, negative conditional: 2, negative unconditional: 36, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 174, positive: 130, positive conditional: 0, positive unconditional: 130, negative: 44, negative conditional: 0, negative unconditional: 44, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 44, positive: 6, positive conditional: 0, positive unconditional: 6, negative: 38, negative conditional: 2, negative unconditional: 36, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 483, positive: 18, positive conditional: 0, positive unconditional: 18, negative: 466, negative conditional: 53, negative unconditional: 413, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 538, positive: 301, positive conditional: 6, positive unconditional: 295, negative: 63, negative conditional: 2, negative unconditional: 61, unknown: 174, unknown conditional: 13, unknown unconditional: 161] , Statistics on independence cache: Total cache size (in pairs): 1472, Positive cache size: 1403, Positive conditional cache size: 11, Positive unconditional cache size: 1392, Negative cache size: 69, Negative conditional cache size: 2, Negative unconditional cache size: 67, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1390.4ms, 39 PlacesBefore, 32 PlacesAfterwards, 24 TransitionsBefore, 21 TransitionsAfterwards, 218 CoEnabledTransitionPairs, 3 FixpointIterations, 2 TrivialSequentialCompositions, 1 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 3 TotalNumberOfCompositions, 234 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 62, positive: 43, positive conditional: 43, positive unconditional: 0, negative: 19, negative conditional: 19, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 62, positive: 43, positive conditional: 0, positive unconditional: 43, negative: 19, negative conditional: 0, negative unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 62, positive: 43, positive conditional: 0, positive unconditional: 43, negative: 19, negative conditional: 0, negative unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 16, positive: 13, positive conditional: 0, positive unconditional: 13, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 16, positive: 13, positive conditional: 0, positive unconditional: 13, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 3, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 91, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 91, negative conditional: 0, negative unconditional: 91, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 62, positive: 30, positive conditional: 0, positive unconditional: 30, negative: 16, negative conditional: 0, negative unconditional: 16, unknown: 16, unknown conditional: 0, unknown unconditional: 16] , Statistics on independence cache: Total cache size (in pairs): 1488, Positive cache size: 1416, Positive conditional cache size: 11, Positive unconditional cache size: 1405, Negative cache size: 72, Negative conditional cache size: 2, Negative unconditional cache size: 70, Eliminated conditions: 15 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 13.8ms, 33 PlacesBefore, 33 PlacesAfterwards, 21 TransitionsBefore, 21 TransitionsAfterwards, 184 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 65 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 11, positive: 5, positive conditional: 5, positive unconditional: 0, negative: 6, negative conditional: 6, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 11, positive: 5, positive conditional: 0, positive unconditional: 5, negative: 6, negative conditional: 0, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 11, positive: 5, positive conditional: 0, positive unconditional: 5, negative: 6, negative conditional: 0, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 11, positive: 5, positive conditional: 0, positive unconditional: 5, negative: 6, negative conditional: 0, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1488, Positive cache size: 1416, Positive conditional cache size: 11, Positive unconditional cache size: 1405, Negative cache size: 72, Negative conditional cache size: 2, Negative unconditional cache size: 70, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 65.5ms, 38 PlacesBefore, 38 PlacesAfterwards, 31 TransitionsBefore, 31 TransitionsAfterwards, 238 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 132 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 52, positive: 44, positive conditional: 44, positive unconditional: 0, negative: 8, negative conditional: 8, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 52, positive: 44, positive conditional: 4, positive unconditional: 40, negative: 8, negative conditional: 0, negative unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 52, positive: 44, positive conditional: 4, positive unconditional: 40, negative: 8, negative conditional: 0, negative unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 6, positive: 5, positive conditional: 2, positive unconditional: 3, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 6, positive: 5, positive conditional: 0, positive unconditional: 5, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 1, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 25, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 25, negative conditional: 0, negative unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 52, positive: 39, positive conditional: 2, positive unconditional: 37, negative: 7, negative conditional: 0, negative unconditional: 7, unknown: 6, unknown conditional: 2, unknown unconditional: 4] , Statistics on independence cache: Total cache size (in pairs): 1494, Positive cache size: 1421, Positive conditional cache size: 13, Positive unconditional cache size: 1408, Negative cache size: 73, Negative conditional cache size: 2, Negative unconditional cache size: 71, Eliminated conditions: 5 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 61.0ms, 41 PlacesBefore, 41 PlacesAfterwards, 31 TransitionsBefore, 31 TransitionsAfterwards, 234 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 130 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 50, positive: 42, positive conditional: 42, positive unconditional: 0, negative: 8, negative conditional: 8, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 50, positive: 42, positive conditional: 4, positive unconditional: 38, negative: 8, negative conditional: 0, negative unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 50, positive: 42, positive conditional: 4, positive unconditional: 38, negative: 8, negative conditional: 0, negative unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 50, positive: 42, positive conditional: 4, positive unconditional: 38, negative: 8, negative conditional: 0, negative unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1494, Positive cache size: 1421, Positive conditional cache size: 13, Positive unconditional cache size: 1408, Negative cache size: 73, Negative conditional cache size: 2, Negative unconditional cache size: 71, Eliminated conditions: 7 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 79.3ms, 46 PlacesBefore, 46 PlacesAfterwards, 38 TransitionsBefore, 38 TransitionsAfterwards, 328 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 89 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 14, positive: 9, positive conditional: 9, positive unconditional: 0, negative: 5, negative conditional: 5, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 14, positive: 9, positive conditional: 5, positive unconditional: 4, negative: 5, negative conditional: 0, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 14, positive: 9, positive conditional: 5, positive unconditional: 4, negative: 5, negative conditional: 0, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 4, positive: 3, positive conditional: 2, positive unconditional: 1, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 4, positive: 3, positive conditional: 0, positive unconditional: 3, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 1, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 41, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 41, negative conditional: 0, negative unconditional: 41, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 14, positive: 6, positive conditional: 3, positive unconditional: 3, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 4, unknown conditional: 2, unknown unconditional: 2] , Statistics on independence cache: Total cache size (in pairs): 1498, Positive cache size: 1424, Positive conditional cache size: 15, Positive unconditional cache size: 1409, Negative cache size: 74, Negative conditional cache size: 2, Negative unconditional cache size: 72, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1946.9ms, 54 PlacesBefore, 54 PlacesAfterwards, 43 TransitionsBefore, 41 TransitionsAfterwards, 372 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 1 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 2 ConcurrentYvCompositions, 0 ChoiceCompositions, 3 TotalNumberOfCompositions, 317 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 87, positive: 72, positive conditional: 72, positive unconditional: 0, negative: 15, negative conditional: 15, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 87, positive: 72, positive conditional: 59, positive unconditional: 13, negative: 15, negative conditional: 0, negative unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 87, positive: 72, positive conditional: 59, positive unconditional: 13, negative: 15, negative conditional: 0, negative unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 14, positive: 14, positive conditional: 13, positive unconditional: 1, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 14, positive: 14, positive conditional: 0, positive unconditional: 14, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 87, positive: 58, positive conditional: 46, positive unconditional: 12, negative: 15, negative conditional: 0, negative unconditional: 15, unknown: 14, unknown conditional: 13, unknown unconditional: 1] , Statistics on independence cache: Total cache size (in pairs): 1512, Positive cache size: 1438, Positive conditional cache size: 28, Positive unconditional cache size: 1410, Negative cache size: 74, Negative conditional cache size: 2, Negative unconditional cache size: 72, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 59.3ms, 53 PlacesBefore, 53 PlacesAfterwards, 44 TransitionsBefore, 44 TransitionsAfterwards, 246 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 1 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 123 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 15, positive: 5, positive conditional: 5, positive unconditional: 0, negative: 10, negative conditional: 10, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 15, positive: 5, positive conditional: 2, positive unconditional: 3, negative: 10, negative conditional: 0, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 15, positive: 5, positive conditional: 2, positive unconditional: 3, negative: 10, negative conditional: 0, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 15, positive: 4, positive conditional: 1, positive unconditional: 3, negative: 10, negative conditional: 0, negative unconditional: 10, unknown: 1, unknown conditional: 1, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1513, Positive cache size: 1439, Positive conditional cache size: 29, Positive unconditional cache size: 1410, Negative cache size: 74, Negative conditional cache size: 2, Negative unconditional cache size: 72, Eliminated conditions: 3 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 945.4ms, 59 PlacesBefore, 54 PlacesAfterwards, 43 TransitionsBefore, 40 TransitionsAfterwards, 198 CoEnabledTransitionPairs, 3 FixpointIterations, 1 TrivialSequentialCompositions, 1 ConcurrentSequentialCompositions, 1 TrivialYvCompositions, 1 ConcurrentYvCompositions, 0 ChoiceCompositions, 4 TotalNumberOfCompositions, 128 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 62, positive: 49, positive conditional: 49, positive unconditional: 0, negative: 13, negative conditional: 13, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 62, positive: 49, positive conditional: 33, positive unconditional: 16, negative: 13, negative conditional: 0, negative unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 62, positive: 49, positive conditional: 33, positive unconditional: 16, negative: 13, negative conditional: 0, negative unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 9, positive: 9, positive conditional: 5, positive unconditional: 4, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 9, positive: 9, positive conditional: 0, positive unconditional: 9, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 62, positive: 40, positive conditional: 28, positive unconditional: 12, negative: 13, negative conditional: 0, negative unconditional: 13, unknown: 9, unknown conditional: 5, unknown unconditional: 4] , Statistics on independence cache: Total cache size (in pairs): 1522, Positive cache size: 1448, Positive conditional cache size: 34, Positive unconditional cache size: 1414, Negative cache size: 74, Negative conditional cache size: 2, Negative unconditional cache size: 72, Eliminated conditions: 3 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 3397.1ms, 52 PlacesBefore, 44 PlacesAfterwards, 24 TransitionsBefore, 21 TransitionsAfterwards, 60 CoEnabledTransitionPairs, 2 FixpointIterations, 1 TrivialSequentialCompositions, 2 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 3 TotalNumberOfCompositions, 79 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 32, positive: 23, positive conditional: 23, positive unconditional: 0, negative: 9, negative conditional: 9, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 32, positive: 23, positive conditional: 10, positive unconditional: 13, negative: 9, negative conditional: 0, negative unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 32, positive: 23, positive conditional: 10, positive unconditional: 13, negative: 9, negative conditional: 0, negative unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 16, positive: 12, positive conditional: 6, positive unconditional: 6, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 16, positive: 12, positive conditional: 0, positive unconditional: 12, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 4, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 56, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 56, negative conditional: 0, negative unconditional: 56, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 32, positive: 11, positive conditional: 4, positive unconditional: 7, negative: 5, negative conditional: 0, negative unconditional: 5, unknown: 16, unknown conditional: 6, unknown unconditional: 10] , Statistics on independence cache: Total cache size (in pairs): 1538, Positive cache size: 1460, Positive conditional cache size: 40, Positive unconditional cache size: 1420, Negative cache size: 78, Negative conditional cache size: 2, Negative unconditional cache size: 76, Eliminated conditions: 1 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 4429.7ms, 39 PlacesBefore, 36 PlacesAfterwards, 21 TransitionsBefore, 19 TransitionsAfterwards, 24 CoEnabledTransitionPairs, 3 FixpointIterations, 0 TrivialSequentialCompositions, 5 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 5 TotalNumberOfCompositions, 36 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 29, positive: 27, positive conditional: 27, positive unconditional: 0, negative: 2, negative conditional: 2, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 31, positive: 27, positive conditional: 27, positive unconditional: 0, negative: 4, negative conditional: 4, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 31, positive: 27, positive conditional: 27, positive unconditional: 0, negative: 4, negative conditional: 4, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 6, positive: 4, positive conditional: 4, positive unconditional: 0, negative: 2, negative conditional: 2, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 6, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 5, negative conditional: 0, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 5, positive: 3, positive conditional: 3, positive unconditional: 0, negative: 2, negative conditional: 2, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 112, positive: 33, positive conditional: 33, positive unconditional: 0, negative: 79, negative conditional: 79, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 31, positive: 23, positive conditional: 23, positive unconditional: 0, negative: 2, negative conditional: 2, negative unconditional: 0, unknown: 6, unknown conditional: 6, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1544, Positive cache size: 1464, Positive conditional cache size: 44, Positive unconditional cache size: 1420, Negative cache size: 80, Negative conditional cache size: 4, Negative unconditional cache size: 76, Eliminated conditions: 0 - CounterExampleResult [Line: 18]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L709] 0 int __unbuffered_cnt = 0; [L711] 0 int __unbuffered_p0_EAX = 0; [L713] 0 int __unbuffered_p0_EBX = 0; [L715] 0 int __unbuffered_p1_EAX = 0; [L717] 0 int __unbuffered_p1_EBX = 0; [L719] 0 int __unbuffered_p2_EAX = 0; [L721] 0 int __unbuffered_p2_EBX = 0; [L723] 0 int a = 0; [L724] 0 _Bool main$tmp_guard0; [L725] 0 _Bool main$tmp_guard1; [L727] 0 int x = 0; [L729] 0 int y = 0; [L731] 0 int z = 0; [L732] 0 _Bool z$flush_delayed; [L733] 0 int z$mem_tmp; [L734] 0 _Bool z$r_buff0_thd0; [L735] 0 _Bool z$r_buff0_thd1; [L736] 0 _Bool z$r_buff0_thd2; [L737] 0 _Bool z$r_buff0_thd3; [L738] 0 _Bool z$r_buff1_thd0; [L739] 0 _Bool z$r_buff1_thd1; [L740] 0 _Bool z$r_buff1_thd2; [L741] 0 _Bool z$r_buff1_thd3; [L742] 0 _Bool z$read_delayed; [L743] 0 int *z$read_delayed_var; [L744] 0 int z$w_buff0; [L745] 0 _Bool z$w_buff0_used; [L746] 0 int z$w_buff1; [L747] 0 _Bool z$w_buff1_used; [L748] 0 _Bool weak$$choice0; [L749] 0 _Bool weak$$choice2; [L858] 0 pthread_t t53; [L859] FCALL, FORK 0 pthread_create(&t53, ((void *)0), P0, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, a=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L860] 0 pthread_t t54; [L861] FCALL, FORK 0 pthread_create(&t54, ((void *)0), P1, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, a=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L862] 0 pthread_t t55; [L863] FCALL, FORK 0 pthread_create(&t55, ((void *)0), P2, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, a=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L805] 3 z$w_buff1 = z$w_buff0 [L806] 3 z$w_buff0 = 1 [L807] 3 z$w_buff1_used = z$w_buff0_used [L808] 3 z$w_buff0_used = (_Bool)1 [L18] COND FALSE 3 !(!expression) [L810] 3 z$r_buff1_thd0 = z$r_buff0_thd0 [L811] 3 z$r_buff1_thd1 = z$r_buff0_thd1 [L812] 3 z$r_buff1_thd2 = z$r_buff0_thd2 [L813] 3 z$r_buff1_thd3 = z$r_buff0_thd3 [L814] 3 z$r_buff0_thd3 = (_Bool)1 [L817] 3 weak$$choice0 = __VERIFIER_nondet_bool() [L818] 3 weak$$choice2 = __VERIFIER_nondet_bool() [L819] 3 z$flush_delayed = weak$$choice2 [L820] 3 z$mem_tmp = z [L821] EXPR 3 !z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z : (z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff0 : z$w_buff1) [L821] EXPR 3 z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff0 : z$w_buff1 [L821] EXPR 3 !z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z : (z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff0 : z$w_buff1) [L821] 3 z = !z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z : (z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff0 : z$w_buff1) [L822] EXPR 3 weak$$choice2 ? z$w_buff0 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff0 : (z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff0 : z$w_buff0)) [L822] 3 z$w_buff0 = weak$$choice2 ? z$w_buff0 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff0 : (z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff0 : z$w_buff0)) [L823] EXPR 3 weak$$choice2 ? z$w_buff1 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff1 : (z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff1 : z$w_buff1)) [L823] 3 z$w_buff1 = weak$$choice2 ? z$w_buff1 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff1 : (z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff1 : z$w_buff1)) [L824] EXPR 3 weak$$choice2 ? z$w_buff0_used : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff0_used : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$w_buff0_used)) [L824] 3 z$w_buff0_used = weak$$choice2 ? z$w_buff0_used : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff0_used : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$w_buff0_used)) [L825] EXPR 3 weak$$choice2 ? z$w_buff1_used : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff1_used : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L825] 3 z$w_buff1_used = weak$$choice2 ? z$w_buff1_used : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff1_used : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L826] EXPR 3 weak$$choice2 ? z$r_buff0_thd3 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$r_buff0_thd3 : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$r_buff0_thd3)) [L826] 3 z$r_buff0_thd3 = weak$$choice2 ? z$r_buff0_thd3 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$r_buff0_thd3 : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$r_buff0_thd3)) [L827] EXPR 3 weak$$choice2 ? z$r_buff1_thd3 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$r_buff1_thd3 : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L827] 3 z$r_buff1_thd3 = weak$$choice2 ? z$r_buff1_thd3 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$r_buff1_thd3 : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L828] 3 __unbuffered_p2_EAX = z [L829] EXPR 3 z$flush_delayed ? z$mem_tmp : z [L829] 3 z = z$flush_delayed ? z$mem_tmp : z [L830] 3 z$flush_delayed = (_Bool)0 [L833] 3 __unbuffered_p2_EBX = a VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, a=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=255, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L753] 1 a = 1 [L756] 1 x = 1 [L759] 1 __unbuffered_p0_EAX = x [L762] 1 __unbuffered_p0_EBX = y VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=1, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=255, x=1, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L774] 2 y = 1 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=1, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=255, x=1, y=1, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L777] 2 __unbuffered_p1_EAX = y [L780] 2 weak$$choice0 = __VERIFIER_nondet_bool() [L781] 2 weak$$choice2 = __VERIFIER_nondet_bool() [L782] 2 z$flush_delayed = weak$$choice2 [L783] 2 z$mem_tmp = z [L784] EXPR 2 !z$w_buff0_used || !z$r_buff0_thd2 && !z$w_buff1_used || !z$r_buff0_thd2 && !z$r_buff1_thd2 ? z : (z$w_buff0_used && z$r_buff0_thd2 ? z$w_buff0 : z$w_buff1) [L784] 2 z = !z$w_buff0_used || !z$r_buff0_thd2 && !z$w_buff1_used || !z$r_buff0_thd2 && !z$r_buff1_thd2 ? z : (z$w_buff0_used && z$r_buff0_thd2 ? z$w_buff0 : z$w_buff1) [L785] EXPR 2 weak$$choice2 ? z$w_buff0 : (!z$w_buff0_used || !z$r_buff0_thd2 && !z$w_buff1_used || !z$r_buff0_thd2 && !z$r_buff1_thd2 ? z$w_buff0 : (z$w_buff0_used && z$r_buff0_thd2 ? z$w_buff0 : z$w_buff0)) [L785] 2 z$w_buff0 = weak$$choice2 ? z$w_buff0 : (!z$w_buff0_used || !z$r_buff0_thd2 && !z$w_buff1_used || !z$r_buff0_thd2 && !z$r_buff1_thd2 ? z$w_buff0 : (z$w_buff0_used && z$r_buff0_thd2 ? z$w_buff0 : z$w_buff0)) [L786] EXPR 2 weak$$choice2 ? z$w_buff1 : (!z$w_buff0_used || !z$r_buff0_thd2 && !z$w_buff1_used || !z$r_buff0_thd2 && !z$r_buff1_thd2 ? z$w_buff1 : (z$w_buff0_used && z$r_buff0_thd2 ? z$w_buff1 : z$w_buff1)) [L786] 2 z$w_buff1 = weak$$choice2 ? z$w_buff1 : (!z$w_buff0_used || !z$r_buff0_thd2 && !z$w_buff1_used || !z$r_buff0_thd2 && !z$r_buff1_thd2 ? z$w_buff1 : (z$w_buff0_used && z$r_buff0_thd2 ? z$w_buff1 : z$w_buff1)) [L787] EXPR 2 weak$$choice2 ? z$w_buff0_used : (!z$w_buff0_used || !z$r_buff0_thd2 && !z$w_buff1_used || !z$r_buff0_thd2 && !z$r_buff1_thd2 ? z$w_buff0_used : (z$w_buff0_used && z$r_buff0_thd2 ? (_Bool)0 : z$w_buff0_used)) [L787] 2 z$w_buff0_used = weak$$choice2 ? z$w_buff0_used : (!z$w_buff0_used || !z$r_buff0_thd2 && !z$w_buff1_used || !z$r_buff0_thd2 && !z$r_buff1_thd2 ? z$w_buff0_used : (z$w_buff0_used && z$r_buff0_thd2 ? (_Bool)0 : z$w_buff0_used)) [L788] EXPR 2 weak$$choice2 ? z$w_buff1_used : (!z$w_buff0_used || !z$r_buff0_thd2 && !z$w_buff1_used || !z$r_buff0_thd2 && !z$r_buff1_thd2 ? z$w_buff1_used : (z$w_buff0_used && z$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)) [L788] 2 z$w_buff1_used = weak$$choice2 ? z$w_buff1_used : (!z$w_buff0_used || !z$r_buff0_thd2 && !z$w_buff1_used || !z$r_buff0_thd2 && !z$r_buff1_thd2 ? z$w_buff1_used : (z$w_buff0_used && z$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)) [L789] EXPR 2 weak$$choice2 ? z$r_buff0_thd2 : (!z$w_buff0_used || !z$r_buff0_thd2 && !z$w_buff1_used || !z$r_buff0_thd2 && !z$r_buff1_thd2 ? z$r_buff0_thd2 : (z$w_buff0_used && z$r_buff0_thd2 ? (_Bool)0 : z$r_buff0_thd2)) [L789] 2 z$r_buff0_thd2 = weak$$choice2 ? z$r_buff0_thd2 : (!z$w_buff0_used || !z$r_buff0_thd2 && !z$w_buff1_used || !z$r_buff0_thd2 && !z$r_buff1_thd2 ? z$r_buff0_thd2 : (z$w_buff0_used && z$r_buff0_thd2 ? (_Bool)0 : z$r_buff0_thd2)) [L790] EXPR 2 weak$$choice2 ? z$r_buff1_thd2 : (!z$w_buff0_used || !z$r_buff0_thd2 && !z$w_buff1_used || !z$r_buff0_thd2 && !z$r_buff1_thd2 ? z$r_buff1_thd2 : (z$w_buff0_used && z$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)) [L790] 2 z$r_buff1_thd2 = weak$$choice2 ? z$r_buff1_thd2 : (!z$w_buff0_used || !z$r_buff0_thd2 && !z$w_buff1_used || !z$r_buff0_thd2 && !z$r_buff1_thd2 ? z$r_buff1_thd2 : (z$w_buff0_used && z$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)) [L791] 2 __unbuffered_p1_EBX = z [L792] EXPR 2 z$flush_delayed ? z$mem_tmp : z [L792] 2 z = z$flush_delayed ? z$mem_tmp : z [L793] 2 z$flush_delayed = (_Bool)0 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=1, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=52, weak$$choice2=255, x=1, y=1, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L836] EXPR 3 z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd3 ? z$w_buff1 : z) [L836] 3 z = z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd3 ? z$w_buff1 : z) [L837] EXPR 3 z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$w_buff0_used [L837] 3 z$w_buff0_used = z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$w_buff0_used [L838] EXPR 3 z$w_buff0_used && z$r_buff0_thd3 || z$w_buff1_used && z$r_buff1_thd3 ? (_Bool)0 : z$w_buff1_used [L838] 3 z$w_buff1_used = z$w_buff0_used && z$r_buff0_thd3 || z$w_buff1_used && z$r_buff1_thd3 ? (_Bool)0 : z$w_buff1_used [L839] EXPR 3 z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$r_buff0_thd3 [L839] 3 z$r_buff0_thd3 = z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$r_buff0_thd3 [L840] EXPR 3 z$w_buff0_used && z$r_buff0_thd3 || z$w_buff1_used && z$r_buff1_thd3 ? (_Bool)0 : z$r_buff1_thd3 [L840] 3 z$r_buff1_thd3 = z$w_buff0_used && z$r_buff0_thd3 || z$w_buff1_used && z$r_buff1_thd3 ? (_Bool)0 : z$r_buff1_thd3 [L843] 3 __unbuffered_cnt = __unbuffered_cnt + 1 [L845] 3 return 0; [L767] 1 __unbuffered_cnt = __unbuffered_cnt + 1 [L769] 1 return 0; [L798] 2 __unbuffered_cnt = __unbuffered_cnt + 1 [L800] 2 return 0; [L865] 0 main$tmp_guard0 = __unbuffered_cnt == 3 [L3] COND FALSE 0 !(!cond) [L869] EXPR 0 z$w_buff0_used && z$r_buff0_thd0 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd0 ? z$w_buff1 : z) [L869] EXPR 0 z$w_buff1_used && z$r_buff1_thd0 ? z$w_buff1 : z [L869] EXPR 0 z$w_buff0_used && z$r_buff0_thd0 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd0 ? z$w_buff1 : z) [L869] 0 z = z$w_buff0_used && z$r_buff0_thd0 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd0 ? z$w_buff1 : z) [L870] EXPR 0 z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : z$w_buff0_used [L870] 0 z$w_buff0_used = z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : z$w_buff0_used [L871] EXPR 0 z$w_buff0_used && z$r_buff0_thd0 || z$w_buff1_used && z$r_buff1_thd0 ? (_Bool)0 : z$w_buff1_used [L871] 0 z$w_buff1_used = z$w_buff0_used && z$r_buff0_thd0 || z$w_buff1_used && z$r_buff1_thd0 ? (_Bool)0 : z$w_buff1_used [L872] EXPR 0 z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : z$r_buff0_thd0 [L872] 0 z$r_buff0_thd0 = z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : z$r_buff0_thd0 [L873] EXPR 0 z$w_buff0_used && z$r_buff0_thd0 || z$w_buff1_used && z$r_buff1_thd0 ? (_Bool)0 : z$r_buff1_thd0 [L873] 0 z$r_buff1_thd0 = z$w_buff0_used && z$r_buff0_thd0 || z$w_buff1_used && z$r_buff1_thd0 ? (_Bool)0 : z$r_buff1_thd0 [L876] 0 main$tmp_guard1 = !(__unbuffered_p0_EAX == 1 && __unbuffered_p0_EBX == 0 && __unbuffered_p1_EAX == 1 && __unbuffered_p1_EBX == 0 && __unbuffered_p2_EAX == 1 && __unbuffered_p2_EBX == 0) [L18] COND TRUE 0 !expression [L18] 0 reach_error() VAL [\result={0:0}, \result={0:0}, __unbuffered_cnt=3, __unbuffered_p0_EAX=1, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=52, weak$$choice2=255, x=1, y=1, z=1, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 104 locations, 2 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 4.2ms, RemoveRedundantFlowTime: 0.0ms, RemoveRedundantFlowUnfoldingTime: 0.0ms, BackfoldingTime: 0.0ms, BackfoldingUnfoldingTime: 0.0ms, FlowIncreaseByBackfolding: 0, BasicCegarLoop: VerificationResult: UNSAFE, OverallTime: 19674.7ms, OverallIterations: 12, TraceHistogramMax: 1, EmptinessCheckTime: 0.0ms, AutomataDifference: 1025.6ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 2976.3ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 89 SDtfs, 59 SDslu, 78 SDs, 0 SdLazy, 214 SolverSat, 40 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 253.6ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 47 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 282.8ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=314occurred in iteration=8, InterpolantAutomatonStates: 56, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 40.1ms SsaConstructionTime, 414.1ms SatisfiabilityAnalysisTime, 741.2ms InterpolantComputationTime, 195 NumberOfCodeBlocks, 195 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 169 ConstructedInterpolants, 0 QuantifiedInterpolants, 1289 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 11 InterpolantComputations, 11 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...