/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-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/goblint-regression/28-race_reach_24-sound_lock_racing.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-bf34d27 [2022-01-18 23:43:18,641 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-01-18 23:43:18,643 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-01-18 23:43:18,697 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-01-18 23:43:18,697 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-01-18 23:43:18,698 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-01-18 23:43:18,699 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-01-18 23:43:18,700 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-01-18 23:43:18,701 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-01-18 23:43:18,701 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-01-18 23:43:18,702 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-01-18 23:43:18,702 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-01-18 23:43:18,703 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-01-18 23:43:18,708 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-01-18 23:43:18,708 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-01-18 23:43:18,709 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-01-18 23:43:18,709 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-01-18 23:43:18,710 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-01-18 23:43:18,711 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-01-18 23:43:18,712 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-01-18 23:43:18,713 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-01-18 23:43:18,718 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-01-18 23:43:18,719 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-01-18 23:43:18,719 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-01-18 23:43:18,721 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-01-18 23:43:18,723 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-01-18 23:43:18,723 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-01-18 23:43:18,724 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-01-18 23:43:18,724 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-01-18 23:43:18,724 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-01-18 23:43:18,725 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-01-18 23:43:18,725 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-01-18 23:43:18,725 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-01-18 23:43:18,725 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-01-18 23:43:18,726 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-01-18 23:43:18,726 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-01-18 23:43:18,731 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-NoLbe.epf [2022-01-18 23:43:18,754 INFO L113 SettingsManager]: Loading preferences was successful [2022-01-18 23:43:18,754 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-01-18 23:43:18,755 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-01-18 23:43:18,755 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-01-18 23:43:18,755 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-01-18 23:43:18,756 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-01-18 23:43:18,756 INFO L138 SettingsManager]: * Use SBE=true [2022-01-18 23:43:18,756 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-01-18 23:43:18,756 INFO L138 SettingsManager]: * sizeof long=4 [2022-01-18 23:43:18,756 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-01-18 23:43:18,756 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-01-18 23:43:18,757 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-01-18 23:43:18,757 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-01-18 23:43:18,757 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-01-18 23:43:18,757 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-01-18 23:43:18,757 INFO L138 SettingsManager]: * sizeof long double=12 [2022-01-18 23:43:18,757 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-01-18 23:43:18,757 INFO L138 SettingsManager]: * Use constant arrays=true [2022-01-18 23:43:18,757 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-01-18 23:43:18,757 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-01-18 23:43:18,757 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-01-18 23:43:18,758 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-01-18 23:43:18,758 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-01-18 23:43:18,758 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-18 23:43:18,758 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-01-18 23:43:18,758 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-01-18 23:43:18,758 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-01-18 23:43:18,758 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-01-18 23:43:18,758 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-01-18 23:43:18,758 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-01-18 23:43:18,758 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-01-18 23:43:18,758 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-01-18 23:43:18,916 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-01-18 23:43:18,937 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-01-18 23:43:18,939 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-01-18 23:43:18,940 INFO L271 PluginConnector]: Initializing CDTParser... [2022-01-18 23:43:18,945 INFO L275 PluginConnector]: CDTParser initialized [2022-01-18 23:43:18,947 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/28-race_reach_24-sound_lock_racing.i [2022-01-18 23:43:19,002 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4f1e288a8/5e712dab84fd4d67862551b3479c1392/FLAGe760be251 [2022-01-18 23:43:19,362 INFO L306 CDTParser]: Found 1 translation units. [2022-01-18 23:43:19,362 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/28-race_reach_24-sound_lock_racing.i [2022-01-18 23:43:19,370 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4f1e288a8/5e712dab84fd4d67862551b3479c1392/FLAGe760be251 [2022-01-18 23:43:19,756 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4f1e288a8/5e712dab84fd4d67862551b3479c1392 [2022-01-18 23:43:19,758 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-01-18 23:43:19,768 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-01-18 23:43:19,770 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-01-18 23:43:19,770 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-01-18 23:43:19,772 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-01-18 23:43:19,772 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.01 11:43:19" (1/1) ... [2022-01-18 23:43:19,773 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@61a23000 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 11:43:19, skipping insertion in model container [2022-01-18 23:43:19,773 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.01 11:43:19" (1/1) ... [2022-01-18 23:43:19,778 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-01-18 23:43:19,810 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-01-18 23:43:20,054 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/28-race_reach_24-sound_lock_racing.i[30176,30189] [2022-01-18 23:43:20,069 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-18 23:43:20,077 INFO L203 MainTranslator]: Completed pre-run [2022-01-18 23:43:20,096 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/28-race_reach_24-sound_lock_racing.i[30176,30189] [2022-01-18 23:43:20,108 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-18 23:43:20,132 INFO L208 MainTranslator]: Completed translation [2022-01-18 23:43:20,132 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 11:43:20 WrapperNode [2022-01-18 23:43:20,132 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-01-18 23:43:20,133 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-01-18 23:43:20,133 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-01-18 23:43:20,133 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-01-18 23:43:20,137 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 11:43:20" (1/1) ... [2022-01-18 23:43:20,159 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 11:43:20" (1/1) ... [2022-01-18 23:43:20,173 INFO L137 Inliner]: procedures = 170, calls = 36, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 85 [2022-01-18 23:43:20,173 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-01-18 23:43:20,173 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-01-18 23:43:20,173 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-01-18 23:43:20,173 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-01-18 23:43:20,179 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 11:43:20" (1/1) ... [2022-01-18 23:43:20,179 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 11:43:20" (1/1) ... [2022-01-18 23:43:20,186 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 11:43:20" (1/1) ... [2022-01-18 23:43:20,187 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 11:43:20" (1/1) ... [2022-01-18 23:43:20,199 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 11:43:20" (1/1) ... [2022-01-18 23:43:20,205 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 11:43:20" (1/1) ... [2022-01-18 23:43:20,205 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 11:43:20" (1/1) ... [2022-01-18 23:43:20,207 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-01-18 23:43:20,207 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-01-18 23:43:20,207 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-01-18 23:43:20,208 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-01-18 23:43:20,214 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 11:43:20" (1/1) ... [2022-01-18 23:43:20,218 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-18 23:43:20,225 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-18 23:43:20,239 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-01-18 23:43:20,242 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-01-18 23:43:20,266 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-01-18 23:43:20,266 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-01-18 23:43:20,267 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-01-18 23:43:20,267 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-01-18 23:43:20,267 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-01-18 23:43:20,267 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2022-01-18 23:43:20,267 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2022-01-18 23:43:20,267 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-01-18 23:43:20,267 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-01-18 23:43:20,267 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-01-18 23:43:20,268 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-01-18 23:43:20,269 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-01-18 23:43:20,398 INFO L234 CfgBuilder]: Building ICFG [2022-01-18 23:43:20,399 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-01-18 23:43:20,563 INFO L275 CfgBuilder]: Performing block encoding [2022-01-18 23:43:20,568 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-01-18 23:43:20,568 INFO L299 CfgBuilder]: Removed 10 assume(true) statements. [2022-01-18 23:43:20,570 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.01 11:43:20 BoogieIcfgContainer [2022-01-18 23:43:20,570 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-01-18 23:43:20,571 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-01-18 23:43:20,571 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-01-18 23:43:20,574 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-01-18 23:43:20,575 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.01 11:43:19" (1/3) ... [2022-01-18 23:43:20,575 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@50411026 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.01 11:43:20, skipping insertion in model container [2022-01-18 23:43:20,575 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 11:43:20" (2/3) ... [2022-01-18 23:43:20,576 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@50411026 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.01 11:43:20, skipping insertion in model container [2022-01-18 23:43:20,576 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.01 11:43:20" (3/3) ... [2022-01-18 23:43:20,577 INFO L111 eAbstractionObserver]: Analyzing ICFG 28-race_reach_24-sound_lock_racing.i [2022-01-18 23:43:20,580 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-01-18 23:43:20,580 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-01-18 23:43:20,581 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-01-18 23:43:20,603 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:20,603 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:20,603 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:20,603 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:20,604 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:20,604 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:20,604 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:20,604 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:20,604 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:20,604 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:20,604 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:20,605 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:20,605 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:20,605 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:20,605 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:20,605 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:20,605 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:20,606 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:20,606 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:20,606 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:20,606 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:20,606 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:20,606 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:20,607 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:20,607 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:20,607 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:20,607 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:20,607 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:20,611 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:20,611 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:20,611 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:20,612 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:20,612 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:20,612 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:20,612 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:20,612 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:20,614 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:20,614 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:20,615 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:20,615 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:20,615 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:20,615 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:20,615 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:20,615 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:20,615 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:20,617 INFO L148 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2022-01-18 23:43:20,658 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-01-18 23:43:20,661 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=false, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2022-01-18 23:43:20,662 INFO L340 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-01-18 23:43:20,668 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 109 places, 119 transitions, 246 flow [2022-01-18 23:43:20,701 INFO L129 PetriNetUnfolder]: 18/155 cut-off events. [2022-01-18 23:43:20,701 INFO L130 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2022-01-18 23:43:20,704 INFO L84 FinitePrefix]: Finished finitePrefix Result has 161 conditions, 155 events. 18/155 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 334 event pairs, 0 based on Foata normal form. 0/132 useless extension candidates. Maximal degree in co-relation 79. Up to 4 conditions per place. [2022-01-18 23:43:20,704 INFO L82 GeneralOperation]: Start removeDead. Operand has 109 places, 119 transitions, 246 flow [2022-01-18 23:43:20,707 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 105 places, 114 transitions, 233 flow [2022-01-18 23:43:20,720 INFO L129 PetriNetUnfolder]: 6/93 cut-off events. [2022-01-18 23:43:20,720 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-01-18 23:43:20,720 INFO L246 CegarLoopForPetriNet]: Found error trace [2022-01-18 23:43:20,721 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 23:43:20,721 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2022-01-18 23:43:20,724 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 23:43:20,724 INFO L85 PathProgramCache]: Analyzing trace with hash -903339966, now seen corresponding path program 1 times [2022-01-18 23:43:20,729 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 23:43:20,729 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [757745403] [2022-01-18 23:43:20,729 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 23:43:20,730 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 23:43:20,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 23:43:20,912 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 23:43:20,913 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 23:43:20,913 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [757745403] [2022-01-18 23:43:20,913 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [757745403] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 23:43:20,913 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 23:43:20,913 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-18 23:43:20,914 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [468383099] [2022-01-18 23:43:20,915 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 23:43:20,920 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-18 23:43:20,921 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 23:43:20,940 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-18 23:43:20,941 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-18 23:43:20,944 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 98 out of 119 [2022-01-18 23:43:20,946 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 105 places, 114 transitions, 233 flow. Second operand has 3 states, 3 states have (on average 99.0) internal successors, (297), 3 states have internal predecessors, (297), 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) [2022-01-18 23:43:20,946 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-01-18 23:43:20,946 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 98 of 119 [2022-01-18 23:43:20,947 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-01-18 23:43:20,972 INFO L129 PetriNetUnfolder]: 1/106 cut-off events. [2022-01-18 23:43:20,973 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-01-18 23:43:20,973 INFO L84 FinitePrefix]: Finished finitePrefix Result has 122 conditions, 106 events. 1/106 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 80 event pairs, 0 based on Foata normal form. 22/124 useless extension candidates. Maximal degree in co-relation 51. Up to 6 conditions per place. [2022-01-18 23:43:20,974 INFO L132 encePairwiseOnDemand]: 105/119 looper letters, 8 selfloop transitions, 2 changer transitions 15/104 dead transitions. [2022-01-18 23:43:20,974 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 106 places, 104 transitions, 233 flow [2022-01-18 23:43:20,975 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-18 23:43:20,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-01-18 23:43:20,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 323 transitions. [2022-01-18 23:43:20,984 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9047619047619048 [2022-01-18 23:43:20,985 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 323 transitions. [2022-01-18 23:43:20,985 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 323 transitions. [2022-01-18 23:43:20,988 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-01-18 23:43:20,992 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 323 transitions. [2022-01-18 23:43:21,000 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 107.66666666666667) internal successors, (323), 3 states have internal predecessors, (323), 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) [2022-01-18 23:43:21,006 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 119.0) internal successors, (476), 4 states have internal predecessors, (476), 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) [2022-01-18 23:43:21,006 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 119.0) internal successors, (476), 4 states have internal predecessors, (476), 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) [2022-01-18 23:43:21,007 INFO L186 Difference]: Start difference. First operand has 105 places, 114 transitions, 233 flow. Second operand 3 states and 323 transitions. [2022-01-18 23:43:21,008 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 106 places, 104 transitions, 233 flow [2022-01-18 23:43:21,010 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 106 places, 104 transitions, 233 flow, removed 0 selfloop flow, removed 0 redundant places. [2022-01-18 23:43:21,012 INFO L242 Difference]: Finished difference. Result has 107 places, 87 transitions, 187 flow [2022-01-18 23:43:21,013 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=119, PETRI_DIFFERENCE_MINUEND_FLOW=209, PETRI_DIFFERENCE_MINUEND_PLACES=104, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=102, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=100, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=187, PETRI_PLACES=107, PETRI_TRANSITIONS=87} [2022-01-18 23:43:21,015 INFO L334 CegarLoopForPetriNet]: 105 programPoint places, 2 predicate places. [2022-01-18 23:43:21,015 INFO L470 AbstractCegarLoop]: Abstraction has has 107 places, 87 transitions, 187 flow [2022-01-18 23:43:21,015 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 99.0) internal successors, (297), 3 states have internal predecessors, (297), 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) [2022-01-18 23:43:21,015 INFO L246 CegarLoopForPetriNet]: Found error trace [2022-01-18 23:43:21,016 INFO L254 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 23:43:21,016 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-01-18 23:43:21,016 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0INUSE_VIOLATION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2022-01-18 23:43:21,016 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 23:43:21,016 INFO L85 PathProgramCache]: Analyzing trace with hash -2133244280, now seen corresponding path program 1 times [2022-01-18 23:43:21,016 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 23:43:21,017 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [472567036] [2022-01-18 23:43:21,017 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 23:43:21,017 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 23:43:21,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-01-18 23:43:21,069 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-01-18 23:43:21,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-01-18 23:43:21,102 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-01-18 23:43:21,103 INFO L628 BasicCegarLoop]: Counterexample is feasible [2022-01-18 23:43:21,104 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATION (1 of 2 remaining) [2022-01-18 23:43:21,105 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 2 remaining) [2022-01-18 23:43:21,105 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-01-18 23:43:21,107 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1] [2022-01-18 23:43:21,108 WARN L235 ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis [2022-01-18 23:43:21,109 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances. [2022-01-18 23:43:21,120 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:21,120 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:21,120 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:21,120 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:21,121 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:21,121 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:21,121 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:21,121 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:21,121 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:21,121 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:21,121 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:21,121 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:21,121 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:21,122 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:21,122 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:21,122 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:21,122 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:21,122 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:21,122 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:21,122 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:21,122 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:21,122 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:21,123 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:21,123 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:21,123 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:21,123 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:21,123 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:21,123 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:21,123 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:21,123 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:21,123 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:21,124 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:21,124 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:21,124 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:21,124 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:21,124 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:21,124 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:21,124 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:21,124 WARN L322 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:21,124 WARN L322 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:21,125 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:21,125 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:21,125 WARN L322 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:21,125 WARN L322 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:21,125 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:21,125 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:21,125 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:21,125 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:21,125 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:21,125 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:21,127 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:21,127 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:21,127 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:21,127 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:21,127 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:21,127 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:21,127 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:21,127 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:21,128 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:21,128 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:21,128 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:21,128 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:21,128 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:21,128 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:21,128 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:21,128 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:21,128 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:21,128 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:21,129 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:21,129 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:21,129 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:21,129 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:21,129 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:21,129 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:21,130 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:21,130 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:21,130 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:21,130 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:21,130 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:21,130 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:21,130 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:21,130 WARN L322 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:21,130 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:21,131 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:21,131 WARN L322 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:21,131 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:21,131 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:21,131 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:21,131 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:21,131 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:21,133 INFO L148 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2022-01-18 23:43:21,134 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-01-18 23:43:21,135 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=false, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2022-01-18 23:43:21,135 INFO L340 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-01-18 23:43:21,137 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 134 places, 149 transitions, 316 flow [2022-01-18 23:43:21,162 INFO L129 PetriNetUnfolder]: 32/246 cut-off events. [2022-01-18 23:43:21,162 INFO L130 PetriNetUnfolder]: For 6/6 co-relation queries the response was YES. [2022-01-18 23:43:21,164 INFO L84 FinitePrefix]: Finished finitePrefix Result has 260 conditions, 246 events. 32/246 cut-off events. For 6/6 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 688 event pairs, 0 based on Foata normal form. 0/207 useless extension candidates. Maximal degree in co-relation 157. Up to 8 conditions per place. [2022-01-18 23:43:21,164 INFO L82 GeneralOperation]: Start removeDead. Operand has 134 places, 149 transitions, 316 flow [2022-01-18 23:43:21,166 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 134 places, 149 transitions, 316 flow [2022-01-18 23:43:21,187 INFO L129 PetriNetUnfolder]: 7/96 cut-off events. [2022-01-18 23:43:21,188 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-01-18 23:43:21,188 INFO L246 CegarLoopForPetriNet]: Found error trace [2022-01-18 23:43:21,188 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 23:43:21,188 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2022-01-18 23:43:21,189 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 23:43:21,189 INFO L85 PathProgramCache]: Analyzing trace with hash 1065388481, now seen corresponding path program 1 times [2022-01-18 23:43:21,189 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 23:43:21,189 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [989804039] [2022-01-18 23:43:21,189 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 23:43:21,189 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 23:43:21,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 23:43:21,225 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 23:43:21,225 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 23:43:21,225 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [989804039] [2022-01-18 23:43:21,225 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [989804039] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 23:43:21,225 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 23:43:21,225 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-01-18 23:43:21,226 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1723823405] [2022-01-18 23:43:21,226 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 23:43:21,226 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-01-18 23:43:21,226 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 23:43:21,226 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-01-18 23:43:21,226 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-01-18 23:43:21,227 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 127 out of 149 [2022-01-18 23:43:21,227 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 134 places, 149 transitions, 316 flow. Second operand has 2 states, 2 states have (on average 127.5) internal successors, (255), 2 states have internal predecessors, (255), 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) [2022-01-18 23:43:21,227 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-01-18 23:43:21,228 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 127 of 149 [2022-01-18 23:43:21,228 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-01-18 23:43:21,252 INFO L129 PetriNetUnfolder]: 4/215 cut-off events. [2022-01-18 23:43:21,252 INFO L130 PetriNetUnfolder]: For 18/22 co-relation queries the response was YES. [2022-01-18 23:43:21,253 INFO L84 FinitePrefix]: Finished finitePrefix Result has 236 conditions, 215 events. 4/215 cut-off events. For 18/22 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 519 event pairs, 0 based on Foata normal form. 42/246 useless extension candidates. Maximal degree in co-relation 141. Up to 7 conditions per place. [2022-01-18 23:43:21,253 INFO L132 encePairwiseOnDemand]: 132/149 looper letters, 2 selfloop transitions, 0 changer transitions 21/131 dead transitions. [2022-01-18 23:43:21,253 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 134 places, 131 transitions, 288 flow [2022-01-18 23:43:21,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-01-18 23:43:21,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2022-01-18 23:43:21,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 275 transitions. [2022-01-18 23:43:21,255 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9228187919463087 [2022-01-18 23:43:21,255 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 275 transitions. [2022-01-18 23:43:21,255 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 275 transitions. [2022-01-18 23:43:21,255 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-01-18 23:43:21,255 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 275 transitions. [2022-01-18 23:43:21,256 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 137.5) internal successors, (275), 2 states have internal predecessors, (275), 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) [2022-01-18 23:43:21,257 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 149.0) internal successors, (447), 3 states have internal predecessors, (447), 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) [2022-01-18 23:43:21,257 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 149.0) internal successors, (447), 3 states have internal predecessors, (447), 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) [2022-01-18 23:43:21,257 INFO L186 Difference]: Start difference. First operand has 134 places, 149 transitions, 316 flow. Second operand 2 states and 275 transitions. [2022-01-18 23:43:21,257 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 134 places, 131 transitions, 288 flow [2022-01-18 23:43:21,258 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 134 places, 131 transitions, 288 flow, removed 0 selfloop flow, removed 0 redundant places. [2022-01-18 23:43:21,260 INFO L242 Difference]: Finished difference. Result has 134 places, 110 transitions, 232 flow [2022-01-18 23:43:21,260 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=149, PETRI_DIFFERENCE_MINUEND_FLOW=280, PETRI_DIFFERENCE_MINUEND_PLACES=133, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=131, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=131, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=232, PETRI_PLACES=134, PETRI_TRANSITIONS=110} [2022-01-18 23:43:21,260 INFO L334 CegarLoopForPetriNet]: 134 programPoint places, 0 predicate places. [2022-01-18 23:43:21,261 INFO L470 AbstractCegarLoop]: Abstraction has has 134 places, 110 transitions, 232 flow [2022-01-18 23:43:21,261 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 127.5) internal successors, (255), 2 states have internal predecessors, (255), 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) [2022-01-18 23:43:21,261 INFO L246 CegarLoopForPetriNet]: Found error trace [2022-01-18 23:43:21,261 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 23:43:21,261 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-01-18 23:43:21,261 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2022-01-18 23:43:21,262 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 23:43:21,262 INFO L85 PathProgramCache]: Analyzing trace with hash -731562878, now seen corresponding path program 1 times [2022-01-18 23:43:21,262 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 23:43:21,262 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1820781733] [2022-01-18 23:43:21,262 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 23:43:21,262 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 23:43:21,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 23:43:21,294 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 23:43:21,294 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 23:43:21,294 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1820781733] [2022-01-18 23:43:21,294 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1820781733] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 23:43:21,294 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 23:43:21,294 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-18 23:43:21,294 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1393118446] [2022-01-18 23:43:21,294 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 23:43:21,295 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-18 23:43:21,295 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 23:43:21,295 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-18 23:43:21,295 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-18 23:43:21,296 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 120 out of 149 [2022-01-18 23:43:21,297 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 134 places, 110 transitions, 232 flow. Second operand has 3 states, 3 states have (on average 121.0) internal successors, (363), 3 states have internal predecessors, (363), 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) [2022-01-18 23:43:21,297 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-01-18 23:43:21,297 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 120 of 149 [2022-01-18 23:43:21,297 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-01-18 23:43:21,319 INFO L129 PetriNetUnfolder]: 1/134 cut-off events. [2022-01-18 23:43:21,319 INFO L130 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2022-01-18 23:43:21,319 INFO L84 FinitePrefix]: Finished finitePrefix Result has 162 conditions, 134 events. 1/134 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 189 event pairs, 0 based on Foata normal form. 0/131 useless extension candidates. Maximal degree in co-relation 157. Up to 12 conditions per place. [2022-01-18 23:43:21,320 INFO L132 encePairwiseOnDemand]: 146/149 looper letters, 11 selfloop transitions, 2 changer transitions 0/114 dead transitions. [2022-01-18 23:43:21,320 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 117 places, 114 transitions, 266 flow [2022-01-18 23:43:21,320 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-18 23:43:21,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-01-18 23:43:21,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 374 transitions. [2022-01-18 23:43:21,321 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8366890380313199 [2022-01-18 23:43:21,321 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 374 transitions. [2022-01-18 23:43:21,321 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 374 transitions. [2022-01-18 23:43:21,321 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-01-18 23:43:21,321 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 374 transitions. [2022-01-18 23:43:21,322 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 124.66666666666667) internal successors, (374), 3 states have internal predecessors, (374), 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) [2022-01-18 23:43:21,323 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 149.0) internal successors, (596), 4 states have internal predecessors, (596), 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) [2022-01-18 23:43:21,323 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 149.0) internal successors, (596), 4 states have internal predecessors, (596), 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) [2022-01-18 23:43:21,324 INFO L186 Difference]: Start difference. First operand has 134 places, 110 transitions, 232 flow. Second operand 3 states and 374 transitions. [2022-01-18 23:43:21,324 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 117 places, 114 transitions, 266 flow [2022-01-18 23:43:21,324 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 117 places, 114 transitions, 264 flow, removed 1 selfloop flow, removed 0 redundant places. [2022-01-18 23:43:21,326 INFO L242 Difference]: Finished difference. Result has 118 places, 111 transitions, 242 flow [2022-01-18 23:43:21,326 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=149, PETRI_DIFFERENCE_MINUEND_FLOW=230, PETRI_DIFFERENCE_MINUEND_PLACES=115, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=110, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=108, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=242, PETRI_PLACES=118, PETRI_TRANSITIONS=111} [2022-01-18 23:43:21,326 INFO L334 CegarLoopForPetriNet]: 134 programPoint places, -16 predicate places. [2022-01-18 23:43:21,327 INFO L470 AbstractCegarLoop]: Abstraction has has 118 places, 111 transitions, 242 flow [2022-01-18 23:43:21,327 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 121.0) internal successors, (363), 3 states have internal predecessors, (363), 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) [2022-01-18 23:43:21,327 INFO L246 CegarLoopForPetriNet]: Found error trace [2022-01-18 23:43:21,327 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 23:43:21,327 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-01-18 23:43:21,327 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2022-01-18 23:43:21,328 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 23:43:21,328 INFO L85 PathProgramCache]: Analyzing trace with hash -504268380, now seen corresponding path program 1 times [2022-01-18 23:43:21,328 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 23:43:21,328 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1948488418] [2022-01-18 23:43:21,328 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 23:43:21,328 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 23:43:21,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 23:43:21,373 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 23:43:21,373 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 23:43:21,373 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1948488418] [2022-01-18 23:43:21,373 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1948488418] provided 0 perfect and 1 imperfect interpolant sequences [2022-01-18 23:43:21,373 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1832071943] [2022-01-18 23:43:21,374 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 23:43:21,374 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-18 23:43:21,374 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-18 23:43:21,375 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-01-18 23:43:21,376 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-01-18 23:43:21,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 23:43:21,479 INFO L263 TraceCheckSpWp]: Trace formula consists of 157 conjuncts, 4 conjunts are in the unsatisfiable core [2022-01-18 23:43:21,481 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-18 23:43:21,629 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 23:43:21,630 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-01-18 23:43:21,719 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 23:43:21,719 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1832071943] provided 0 perfect and 2 imperfect interpolant sequences [2022-01-18 23:43:21,719 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-01-18 23:43:21,719 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2022-01-18 23:43:21,719 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1810444471] [2022-01-18 23:43:21,719 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-01-18 23:43:21,720 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-01-18 23:43:21,720 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 23:43:21,720 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-01-18 23:43:21,720 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2022-01-18 23:43:21,722 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 119 out of 149 [2022-01-18 23:43:21,723 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 118 places, 111 transitions, 242 flow. Second operand has 10 states, 10 states have (on average 121.3) internal successors, (1213), 10 states have internal predecessors, (1213), 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) [2022-01-18 23:43:21,723 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-01-18 23:43:21,723 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 119 of 149 [2022-01-18 23:43:21,723 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-01-18 23:43:21,777 INFO L129 PetriNetUnfolder]: 1/112 cut-off events. [2022-01-18 23:43:21,777 INFO L130 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2022-01-18 23:43:21,777 INFO L84 FinitePrefix]: Finished finitePrefix Result has 145 conditions, 112 events. 1/112 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 86 event pairs, 0 based on Foata normal form. 2/113 useless extension candidates. Maximal degree in co-relation 138. Up to 4 conditions per place. [2022-01-18 23:43:21,777 INFO L132 encePairwiseOnDemand]: 144/149 looper letters, 9 selfloop transitions, 7 changer transitions 0/106 dead transitions. [2022-01-18 23:43:21,778 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 115 places, 106 transitions, 262 flow [2022-01-18 23:43:21,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-01-18 23:43:21,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2022-01-18 23:43:21,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 1089 transitions. [2022-01-18 23:43:21,793 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8120805369127517 [2022-01-18 23:43:21,793 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 1089 transitions. [2022-01-18 23:43:21,793 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 1089 transitions. [2022-01-18 23:43:21,794 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-01-18 23:43:21,794 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 1089 transitions. [2022-01-18 23:43:21,796 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 121.0) internal successors, (1089), 9 states have internal predecessors, (1089), 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) [2022-01-18 23:43:21,798 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 149.0) internal successors, (1490), 10 states have internal predecessors, (1490), 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) [2022-01-18 23:43:21,798 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 149.0) internal successors, (1490), 10 states have internal predecessors, (1490), 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) [2022-01-18 23:43:21,798 INFO L186 Difference]: Start difference. First operand has 118 places, 111 transitions, 242 flow. Second operand 9 states and 1089 transitions. [2022-01-18 23:43:21,798 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 115 places, 106 transitions, 262 flow [2022-01-18 23:43:21,799 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 114 places, 106 transitions, 260 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-01-18 23:43:21,801 INFO L242 Difference]: Finished difference. Result has 114 places, 102 transitions, 234 flow [2022-01-18 23:43:21,801 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=149, PETRI_DIFFERENCE_MINUEND_FLOW=216, PETRI_DIFFERENCE_MINUEND_PLACES=106, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=100, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=95, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=234, PETRI_PLACES=114, PETRI_TRANSITIONS=102} [2022-01-18 23:43:21,802 INFO L334 CegarLoopForPetriNet]: 134 programPoint places, -20 predicate places. [2022-01-18 23:43:21,802 INFO L470 AbstractCegarLoop]: Abstraction has has 114 places, 102 transitions, 234 flow [2022-01-18 23:43:21,802 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 121.3) internal successors, (1213), 10 states have internal predecessors, (1213), 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) [2022-01-18 23:43:21,802 INFO L246 CegarLoopForPetriNet]: Found error trace [2022-01-18 23:43:21,803 INFO L254 CegarLoopForPetriNet]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 23:43:21,834 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-01-18 23:43:22,023 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-18 23:43:22,023 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0INUSE_VIOLATION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2022-01-18 23:43:22,023 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 23:43:22,024 INFO L85 PathProgramCache]: Analyzing trace with hash 1440832547, now seen corresponding path program 1 times [2022-01-18 23:43:22,024 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 23:43:22,024 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [427415161] [2022-01-18 23:43:22,024 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 23:43:22,024 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 23:43:22,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-01-18 23:43:22,044 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-01-18 23:43:22,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-01-18 23:43:22,071 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-01-18 23:43:22,071 INFO L628 BasicCegarLoop]: Counterexample is feasible [2022-01-18 23:43:22,072 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATION (1 of 2 remaining) [2022-01-18 23:43:22,072 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 2 remaining) [2022-01-18 23:43:22,072 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-01-18 23:43:22,072 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2022-01-18 23:43:22,073 WARN L235 ceAbstractionStarter]: 2 thread instances were not sufficient, I will increase this number and restart the analysis [2022-01-18 23:43:22,073 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 3 thread instances. [2022-01-18 23:43:22,086 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:22,087 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:22,087 WARN L322 ript$VariableManager]: TermVariabe t_funThread2of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:22,087 WARN L322 ript$VariableManager]: TermVariabe t_funThread2of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:22,087 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:22,087 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:22,087 WARN L322 ript$VariableManager]: TermVariabe t_funThread2of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:22,087 WARN L322 ript$VariableManager]: TermVariabe t_funThread2of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:22,087 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:22,089 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:22,089 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:22,089 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:22,089 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:22,089 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:22,089 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:22,090 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:22,090 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:22,090 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:22,090 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:22,090 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:22,090 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:22,090 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:22,090 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:22,090 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:22,091 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:22,091 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:22,091 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:22,091 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:22,091 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:22,091 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:22,092 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:22,092 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:22,092 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:22,092 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:22,092 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:22,092 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:22,093 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:22,093 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:22,093 WARN L322 ript$VariableManager]: TermVariabe t_funThread3of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:22,093 WARN L322 ript$VariableManager]: TermVariabe t_funThread3of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:22,093 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:22,093 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:22,093 WARN L322 ript$VariableManager]: TermVariabe t_funThread3of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:22,093 WARN L322 ript$VariableManager]: TermVariabe t_funThread3of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:22,094 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:22,094 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:22,094 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:22,094 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:22,094 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:22,094 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:22,094 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:22,094 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:22,095 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:22,095 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:22,095 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:22,095 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:22,095 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:22,096 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:22,098 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:22,100 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:22,100 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:22,100 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:22,104 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:22,105 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:22,105 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:22,105 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:22,105 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:22,105 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:22,105 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:22,105 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:22,105 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:22,105 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:22,106 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:22,106 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:22,106 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:22,106 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:22,106 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:22,106 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:22,106 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:22,107 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:22,107 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:22,107 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:22,107 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:22,107 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:22,107 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:22,107 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:22,107 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:22,107 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:22,107 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:22,107 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:22,108 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:22,108 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:22,108 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:22,108 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:22,108 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:22,109 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:22,109 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:22,109 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:22,109 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:22,109 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:22,110 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:22,110 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:22,110 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:22,110 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:22,110 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:22,112 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:22,113 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:22,113 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:22,113 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:22,113 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:22,113 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:22,113 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:22,113 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:22,114 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:22,114 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:22,114 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:22,114 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:22,114 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:22,114 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:22,114 WARN L322 ript$VariableManager]: TermVariabe t_funThread2of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:22,114 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:22,114 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:22,114 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:22,115 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:22,115 WARN L322 ript$VariableManager]: TermVariabe t_funThread2of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:22,115 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:22,120 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:22,120 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:22,120 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:22,120 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:22,120 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:22,120 WARN L322 ript$VariableManager]: TermVariabe t_funThread3of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:22,120 WARN L322 ript$VariableManager]: TermVariabe t_funThread3of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:22,120 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:22,121 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:22,122 INFO L148 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2022-01-18 23:43:22,123 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-01-18 23:43:22,126 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=false, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2022-01-18 23:43:22,126 INFO L340 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-01-18 23:43:22,127 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 159 places, 179 transitions, 388 flow [2022-01-18 23:43:22,153 INFO L129 PetriNetUnfolder]: 51/370 cut-off events. [2022-01-18 23:43:22,153 INFO L130 PetriNetUnfolder]: For 19/19 co-relation queries the response was YES. [2022-01-18 23:43:22,156 INFO L84 FinitePrefix]: Finished finitePrefix Result has 398 conditions, 370 events. 51/370 cut-off events. For 19/19 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 1166 event pairs, 1 based on Foata normal form. 0/311 useless extension candidates. Maximal degree in co-relation 254. Up to 16 conditions per place. [2022-01-18 23:43:22,157 INFO L82 GeneralOperation]: Start removeDead. Operand has 159 places, 179 transitions, 388 flow [2022-01-18 23:43:22,160 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 159 places, 179 transitions, 388 flow [2022-01-18 23:43:22,165 INFO L129 PetriNetUnfolder]: 7/93 cut-off events. [2022-01-18 23:43:22,165 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-01-18 23:43:22,165 INFO L246 CegarLoopForPetriNet]: Found error trace [2022-01-18 23:43:22,166 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 23:43:22,166 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2022-01-18 23:43:22,166 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 23:43:22,166 INFO L85 PathProgramCache]: Analyzing trace with hash 1809648194, now seen corresponding path program 1 times [2022-01-18 23:43:22,166 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 23:43:22,166 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [924682102] [2022-01-18 23:43:22,167 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 23:43:22,167 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 23:43:22,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 23:43:22,217 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 23:43:22,217 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 23:43:22,217 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [924682102] [2022-01-18 23:43:22,217 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [924682102] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 23:43:22,220 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 23:43:22,220 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-18 23:43:22,220 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1367454680] [2022-01-18 23:43:22,220 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 23:43:22,220 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-18 23:43:22,220 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 23:43:22,221 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-18 23:43:22,222 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-18 23:43:22,223 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 142 out of 179 [2022-01-18 23:43:22,224 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 159 places, 179 transitions, 388 flow. Second operand has 3 states, 3 states have (on average 143.0) internal successors, (429), 3 states have internal predecessors, (429), 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) [2022-01-18 23:43:22,224 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-01-18 23:43:22,224 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 142 of 179 [2022-01-18 23:43:22,224 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-01-18 23:43:22,286 INFO L129 PetriNetUnfolder]: 8/307 cut-off events. [2022-01-18 23:43:22,286 INFO L130 PetriNetUnfolder]: For 55/96 co-relation queries the response was YES. [2022-01-18 23:43:22,287 INFO L84 FinitePrefix]: Finished finitePrefix Result has 370 conditions, 307 events. 8/307 cut-off events. For 55/96 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 880 event pairs, 1 based on Foata normal form. 200/492 useless extension candidates. Maximal degree in co-relation 226. Up to 30 conditions per place. [2022-01-18 23:43:22,288 INFO L132 encePairwiseOnDemand]: 153/179 looper letters, 12 selfloop transitions, 2 changer transitions 22/159 dead transitions. [2022-01-18 23:43:22,288 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 160 places, 159 transitions, 382 flow [2022-01-18 23:43:22,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-18 23:43:22,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-01-18 23:43:22,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 474 transitions. [2022-01-18 23:43:22,289 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.88268156424581 [2022-01-18 23:43:22,289 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 474 transitions. [2022-01-18 23:43:22,289 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 474 transitions. [2022-01-18 23:43:22,290 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-01-18 23:43:22,290 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 474 transitions. [2022-01-18 23:43:22,291 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 158.0) internal successors, (474), 3 states have internal predecessors, (474), 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) [2022-01-18 23:43:22,292 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 179.0) internal successors, (716), 4 states have internal predecessors, (716), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 23:43:22,292 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 179.0) internal successors, (716), 4 states have internal predecessors, (716), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 23:43:22,292 INFO L186 Difference]: Start difference. First operand has 159 places, 179 transitions, 388 flow. Second operand 3 states and 474 transitions. [2022-01-18 23:43:22,292 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 160 places, 159 transitions, 382 flow [2022-01-18 23:43:22,294 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 160 places, 159 transitions, 382 flow, removed 0 selfloop flow, removed 0 redundant places. [2022-01-18 23:43:22,297 INFO L242 Difference]: Finished difference. Result has 161 places, 134 transitions, 299 flow [2022-01-18 23:43:22,297 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=179, PETRI_DIFFERENCE_MINUEND_FLOW=340, PETRI_DIFFERENCE_MINUEND_PLACES=158, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=155, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=153, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=299, PETRI_PLACES=161, PETRI_TRANSITIONS=134} [2022-01-18 23:43:22,298 INFO L334 CegarLoopForPetriNet]: 159 programPoint places, 2 predicate places. [2022-01-18 23:43:22,299 INFO L470 AbstractCegarLoop]: Abstraction has has 161 places, 134 transitions, 299 flow [2022-01-18 23:43:22,301 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 143.0) internal successors, (429), 3 states have internal predecessors, (429), 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) [2022-01-18 23:43:22,301 INFO L246 CegarLoopForPetriNet]: Found error trace [2022-01-18 23:43:22,301 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 23:43:22,301 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-01-18 23:43:22,302 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2022-01-18 23:43:22,302 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 23:43:22,302 INFO L85 PathProgramCache]: Analyzing trace with hash -936714400, now seen corresponding path program 1 times [2022-01-18 23:43:22,302 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 23:43:22,302 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1313387320] [2022-01-18 23:43:22,302 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 23:43:22,302 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 23:43:22,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 23:43:22,368 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 23:43:22,368 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 23:43:22,368 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1313387320] [2022-01-18 23:43:22,368 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1313387320] provided 0 perfect and 1 imperfect interpolant sequences [2022-01-18 23:43:22,368 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [7170949] [2022-01-18 23:43:22,369 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 23:43:22,369 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-18 23:43:22,369 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-18 23:43:22,370 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-01-18 23:43:22,404 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-01-18 23:43:22,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 23:43:22,449 INFO L263 TraceCheckSpWp]: Trace formula consists of 157 conjuncts, 4 conjunts are in the unsatisfiable core [2022-01-18 23:43:22,451 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-18 23:43:22,570 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 23:43:22,571 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-01-18 23:43:22,663 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 23:43:22,663 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [7170949] provided 0 perfect and 2 imperfect interpolant sequences [2022-01-18 23:43:22,663 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-01-18 23:43:22,663 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2022-01-18 23:43:22,664 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1876332681] [2022-01-18 23:43:22,664 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-01-18 23:43:22,664 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-01-18 23:43:22,664 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 23:43:22,664 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-01-18 23:43:22,664 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2022-01-18 23:43:22,666 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 141 out of 179 [2022-01-18 23:43:22,667 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 161 places, 134 transitions, 299 flow. Second operand has 10 states, 10 states have (on average 143.3) internal successors, (1433), 10 states have internal predecessors, (1433), 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) [2022-01-18 23:43:22,667 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-01-18 23:43:22,667 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 141 of 179 [2022-01-18 23:43:22,667 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-01-18 23:43:22,755 INFO L129 PetriNetUnfolder]: 1/155 cut-off events. [2022-01-18 23:43:22,755 INFO L130 PetriNetUnfolder]: For 10/10 co-relation queries the response was YES. [2022-01-18 23:43:22,755 INFO L84 FinitePrefix]: Finished finitePrefix Result has 203 conditions, 155 events. 1/155 cut-off events. For 10/10 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 206 event pairs, 0 based on Foata normal form. 2/156 useless extension candidates. Maximal degree in co-relation 136. Up to 7 conditions per place. [2022-01-18 23:43:22,755 INFO L132 encePairwiseOnDemand]: 173/179 looper letters, 13 selfloop transitions, 9 changer transitions 0/144 dead transitions. [2022-01-18 23:43:22,756 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 150 places, 144 transitions, 365 flow [2022-01-18 23:43:22,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-01-18 23:43:22,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2022-01-18 23:43:22,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 1293 transitions. [2022-01-18 23:43:22,758 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8026070763500931 [2022-01-18 23:43:22,758 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 1293 transitions. [2022-01-18 23:43:22,758 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 1293 transitions. [2022-01-18 23:43:22,759 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-01-18 23:43:22,759 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 1293 transitions. [2022-01-18 23:43:22,761 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 143.66666666666666) internal successors, (1293), 9 states have internal predecessors, (1293), 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) [2022-01-18 23:43:22,762 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 179.0) internal successors, (1790), 10 states have internal predecessors, (1790), 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) [2022-01-18 23:43:22,763 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 179.0) internal successors, (1790), 10 states have internal predecessors, (1790), 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) [2022-01-18 23:43:22,763 INFO L186 Difference]: Start difference. First operand has 161 places, 134 transitions, 299 flow. Second operand 9 states and 1293 transitions. [2022-01-18 23:43:22,763 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 150 places, 144 transitions, 365 flow [2022-01-18 23:43:22,764 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 149 places, 144 transitions, 357 flow, removed 3 selfloop flow, removed 1 redundant places. [2022-01-18 23:43:22,765 INFO L242 Difference]: Finished difference. Result has 152 places, 140 transitions, 341 flow [2022-01-18 23:43:22,765 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=179, PETRI_DIFFERENCE_MINUEND_FLOW=291, PETRI_DIFFERENCE_MINUEND_PLACES=141, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=134, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=128, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=341, PETRI_PLACES=152, PETRI_TRANSITIONS=140} [2022-01-18 23:43:22,765 INFO L334 CegarLoopForPetriNet]: 159 programPoint places, -7 predicate places. [2022-01-18 23:43:22,766 INFO L470 AbstractCegarLoop]: Abstraction has has 152 places, 140 transitions, 341 flow [2022-01-18 23:43:22,766 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 143.3) internal successors, (1433), 10 states have internal predecessors, (1433), 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) [2022-01-18 23:43:22,766 INFO L246 CegarLoopForPetriNet]: Found error trace [2022-01-18 23:43:22,766 INFO L254 CegarLoopForPetriNet]: trace histogram [4, 4, 4, 4, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 23:43:22,783 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-01-18 23:43:22,983 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2022-01-18 23:43:22,983 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0INUSE_VIOLATION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2022-01-18 23:43:22,984 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 23:43:22,984 INFO L85 PathProgramCache]: Analyzing trace with hash 1689933495, now seen corresponding path program 1 times [2022-01-18 23:43:22,984 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 23:43:22,984 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2061742655] [2022-01-18 23:43:22,984 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 23:43:22,984 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 23:43:23,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-01-18 23:43:23,001 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-01-18 23:43:23,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-01-18 23:43:23,026 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-01-18 23:43:23,027 INFO L628 BasicCegarLoop]: Counterexample is feasible [2022-01-18 23:43:23,027 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATION (1 of 2 remaining) [2022-01-18 23:43:23,027 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 2 remaining) [2022-01-18 23:43:23,027 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-01-18 23:43:23,027 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2022-01-18 23:43:23,028 WARN L235 ceAbstractionStarter]: 3 thread instances were not sufficient, I will increase this number and restart the analysis [2022-01-18 23:43:23,028 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 4 thread instances. [2022-01-18 23:43:23,036 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:23,037 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:23,037 WARN L322 ript$VariableManager]: TermVariabe t_funThread4of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:23,037 WARN L322 ript$VariableManager]: TermVariabe t_funThread4of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:23,037 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:23,037 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:23,037 WARN L322 ript$VariableManager]: TermVariabe t_funThread4of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:23,037 WARN L322 ript$VariableManager]: TermVariabe t_funThread4of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:23,037 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:23,037 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:23,037 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:23,037 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:23,038 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:23,038 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:23,038 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:23,038 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:23,038 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:23,038 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:23,038 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:23,038 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:23,038 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:23,038 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:23,038 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:23,038 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:23,039 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:23,039 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:23,039 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:23,039 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:23,039 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:23,039 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:23,039 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:23,039 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:23,039 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:23,039 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:23,039 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:23,040 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:23,040 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:23,040 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:23,040 WARN L322 ript$VariableManager]: TermVariabe t_funThread2of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:23,040 WARN L322 ript$VariableManager]: TermVariabe t_funThread2of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:23,040 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:23,040 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:23,040 WARN L322 ript$VariableManager]: TermVariabe t_funThread2of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:23,040 WARN L322 ript$VariableManager]: TermVariabe t_funThread2of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:23,041 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:23,041 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:23,041 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:23,041 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:23,041 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:23,041 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:23,041 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:23,041 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:23,041 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:23,042 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:23,042 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:23,042 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:23,042 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:23,042 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:23,042 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:23,042 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:23,042 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:23,042 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:23,042 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:23,043 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:23,043 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:23,043 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:23,043 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:23,043 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:23,043 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:23,043 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:23,043 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:23,043 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:23,043 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:23,044 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:23,044 WARN L322 ript$VariableManager]: TermVariabe t_funThread3of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:23,044 WARN L322 ript$VariableManager]: TermVariabe t_funThread3of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:23,044 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:23,044 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:23,044 WARN L322 ript$VariableManager]: TermVariabe t_funThread3of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:23,044 WARN L322 ript$VariableManager]: TermVariabe t_funThread3of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:23,044 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:23,044 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:23,044 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:23,044 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:23,044 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:23,045 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:23,045 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:23,045 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:23,045 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:23,045 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:23,045 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:23,045 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:23,045 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:23,045 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:23,045 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:23,045 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:23,045 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:23,046 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:23,046 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:23,046 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:23,046 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:23,046 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:23,046 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:23,046 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:23,046 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:23,046 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:23,046 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:23,046 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:23,047 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:23,047 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:23,047 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:23,047 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:23,047 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:23,047 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:23,047 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:23,047 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:23,047 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:23,047 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:23,047 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:23,048 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:23,048 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:23,048 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:23,048 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:23,048 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:23,048 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:23,048 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:23,048 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:23,048 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:23,048 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:23,049 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:23,049 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:23,049 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:23,049 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:23,049 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:23,049 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:23,049 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:23,049 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:23,049 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:23,049 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:23,049 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:23,049 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:23,050 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:23,050 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:23,050 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:23,050 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:23,050 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:23,050 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:23,050 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:23,050 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:23,050 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:23,051 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:23,051 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:23,051 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:23,051 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:23,051 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:23,051 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:23,051 WARN L322 ript$VariableManager]: TermVariabe t_funThread2of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:23,051 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:23,051 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:23,052 WARN L322 ript$VariableManager]: TermVariabe t_funThread2of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:23,052 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:23,052 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:23,052 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:23,052 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:23,052 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:23,052 WARN L322 ript$VariableManager]: TermVariabe t_funThread3of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:23,052 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:23,052 WARN L322 ript$VariableManager]: TermVariabe t_funThread3of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:23,052 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:23,052 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:23,053 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:23,053 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:23,053 WARN L322 ript$VariableManager]: TermVariabe t_funThread4of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:23,053 WARN L322 ript$VariableManager]: TermVariabe t_funThread4of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:23,053 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:23,053 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:23,053 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:23,053 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:23,053 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:23,053 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:23,055 INFO L148 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2022-01-18 23:43:23,056 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-01-18 23:43:23,056 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=false, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2022-01-18 23:43:23,056 INFO L340 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-01-18 23:43:23,058 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 184 places, 209 transitions, 462 flow [2022-01-18 23:43:23,106 INFO L129 PetriNetUnfolder]: 82/562 cut-off events. [2022-01-18 23:43:23,106 INFO L130 PetriNetUnfolder]: For 48/48 co-relation queries the response was YES. [2022-01-18 23:43:23,110 INFO L84 FinitePrefix]: Finished finitePrefix Result has 617 conditions, 562 events. 82/562 cut-off events. For 48/48 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 2101 event pairs, 6 based on Foata normal form. 0/475 useless extension candidates. Maximal degree in co-relation 390. Up to 32 conditions per place. [2022-01-18 23:43:23,110 INFO L82 GeneralOperation]: Start removeDead. Operand has 184 places, 209 transitions, 462 flow [2022-01-18 23:43:23,114 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 184 places, 209 transitions, 462 flow [2022-01-18 23:43:23,119 INFO L129 PetriNetUnfolder]: 4/88 cut-off events. [2022-01-18 23:43:23,119 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-01-18 23:43:23,119 INFO L246 CegarLoopForPetriNet]: Found error trace [2022-01-18 23:43:23,119 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 23:43:23,119 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2022-01-18 23:43:23,120 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 23:43:23,120 INFO L85 PathProgramCache]: Analyzing trace with hash -1869641342, now seen corresponding path program 1 times [2022-01-18 23:43:23,120 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 23:43:23,120 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1046684676] [2022-01-18 23:43:23,120 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 23:43:23,120 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 23:43:23,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 23:43:23,137 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 23:43:23,138 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 23:43:23,138 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1046684676] [2022-01-18 23:43:23,138 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1046684676] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 23:43:23,138 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 23:43:23,138 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-18 23:43:23,138 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2139467640] [2022-01-18 23:43:23,138 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 23:43:23,138 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-18 23:43:23,138 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 23:43:23,139 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-18 23:43:23,139 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-18 23:43:23,139 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 164 out of 209 [2022-01-18 23:43:23,140 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 184 places, 209 transitions, 462 flow. Second operand has 3 states, 3 states have (on average 165.0) internal successors, (495), 3 states have internal predecessors, (495), 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) [2022-01-18 23:43:23,140 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-01-18 23:43:23,140 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 164 of 209 [2022-01-18 23:43:23,140 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-01-18 23:43:23,209 INFO L129 PetriNetUnfolder]: 21/480 cut-off events. [2022-01-18 23:43:23,210 INFO L130 PetriNetUnfolder]: For 154/276 co-relation queries the response was YES. [2022-01-18 23:43:23,212 INFO L84 FinitePrefix]: Finished finitePrefix Result has 596 conditions, 480 events. 21/480 cut-off events. For 154/276 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 1835 event pairs, 6 based on Foata normal form. 434/889 useless extension candidates. Maximal degree in co-relation 361. Up to 56 conditions per place. [2022-01-18 23:43:23,213 INFO L132 encePairwiseOnDemand]: 177/209 looper letters, 13 selfloop transitions, 2 changer transitions 23/183 dead transitions. [2022-01-18 23:43:23,213 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 185 places, 183 transitions, 448 flow [2022-01-18 23:43:23,213 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-18 23:43:23,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-01-18 23:43:23,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 548 transitions. [2022-01-18 23:43:23,214 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8740031897926634 [2022-01-18 23:43:23,214 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 548 transitions. [2022-01-18 23:43:23,214 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 548 transitions. [2022-01-18 23:43:23,214 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-01-18 23:43:23,214 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 548 transitions. [2022-01-18 23:43:23,215 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 182.66666666666666) internal successors, (548), 3 states have internal predecessors, (548), 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) [2022-01-18 23:43:23,216 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 209.0) internal successors, (836), 4 states have internal predecessors, (836), 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) [2022-01-18 23:43:23,216 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 209.0) internal successors, (836), 4 states have internal predecessors, (836), 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) [2022-01-18 23:43:23,216 INFO L186 Difference]: Start difference. First operand has 184 places, 209 transitions, 462 flow. Second operand 3 states and 548 transitions. [2022-01-18 23:43:23,216 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 185 places, 183 transitions, 448 flow [2022-01-18 23:43:23,217 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 185 places, 183 transitions, 448 flow, removed 0 selfloop flow, removed 0 redundant places. [2022-01-18 23:43:23,219 INFO L242 Difference]: Finished difference. Result has 186 places, 157 transitions, 356 flow [2022-01-18 23:43:23,219 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=209, PETRI_DIFFERENCE_MINUEND_FLOW=402, PETRI_DIFFERENCE_MINUEND_PLACES=183, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=179, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=177, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=356, PETRI_PLACES=186, PETRI_TRANSITIONS=157} [2022-01-18 23:43:23,219 INFO L334 CegarLoopForPetriNet]: 184 programPoint places, 2 predicate places. [2022-01-18 23:43:23,220 INFO L470 AbstractCegarLoop]: Abstraction has has 186 places, 157 transitions, 356 flow [2022-01-18 23:43:23,220 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 165.0) internal successors, (495), 3 states have internal predecessors, (495), 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) [2022-01-18 23:43:23,220 INFO L246 CegarLoopForPetriNet]: Found error trace [2022-01-18 23:43:23,220 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 23:43:23,220 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-01-18 23:43:23,220 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2022-01-18 23:43:23,220 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 23:43:23,220 INFO L85 PathProgramCache]: Analyzing trace with hash -1577858724, now seen corresponding path program 1 times [2022-01-18 23:43:23,221 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 23:43:23,221 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1719683101] [2022-01-18 23:43:23,221 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 23:43:23,221 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 23:43:23,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 23:43:23,246 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 23:43:23,246 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 23:43:23,246 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1719683101] [2022-01-18 23:43:23,246 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1719683101] provided 0 perfect and 1 imperfect interpolant sequences [2022-01-18 23:43:23,246 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1292071197] [2022-01-18 23:43:23,246 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 23:43:23,246 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-18 23:43:23,247 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-18 23:43:23,268 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-01-18 23:43:23,269 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-01-18 23:43:23,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 23:43:23,333 INFO L263 TraceCheckSpWp]: Trace formula consists of 157 conjuncts, 4 conjunts are in the unsatisfiable core [2022-01-18 23:43:23,335 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-18 23:43:23,416 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 23:43:23,416 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-01-18 23:43:23,490 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 23:43:23,491 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1292071197] provided 0 perfect and 2 imperfect interpolant sequences [2022-01-18 23:43:23,491 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-01-18 23:43:23,491 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2022-01-18 23:43:23,491 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1988987297] [2022-01-18 23:43:23,491 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-01-18 23:43:23,491 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-01-18 23:43:23,491 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 23:43:23,492 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-01-18 23:43:23,492 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2022-01-18 23:43:23,493 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 163 out of 209 [2022-01-18 23:43:23,494 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 186 places, 157 transitions, 356 flow. Second operand has 10 states, 10 states have (on average 165.3) internal successors, (1653), 10 states have internal predecessors, (1653), 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) [2022-01-18 23:43:23,494 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-01-18 23:43:23,494 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 163 of 209 [2022-01-18 23:43:23,494 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-01-18 23:43:23,565 INFO L129 PetriNetUnfolder]: 1/198 cut-off events. [2022-01-18 23:43:23,565 INFO L130 PetriNetUnfolder]: For 19/19 co-relation queries the response was YES. [2022-01-18 23:43:23,565 INFO L84 FinitePrefix]: Finished finitePrefix Result has 262 conditions, 198 events. 1/198 cut-off events. For 19/19 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 348 event pairs, 0 based on Foata normal form. 2/199 useless extension candidates. Maximal degree in co-relation 192. Up to 11 conditions per place. [2022-01-18 23:43:23,566 INFO L132 encePairwiseOnDemand]: 203/209 looper letters, 14 selfloop transitions, 9 changer transitions 0/167 dead transitions. [2022-01-18 23:43:23,566 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 175 places, 167 transitions, 424 flow [2022-01-18 23:43:23,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-01-18 23:43:23,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2022-01-18 23:43:23,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 1492 transitions. [2022-01-18 23:43:23,568 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.7931951089845827 [2022-01-18 23:43:23,568 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 1492 transitions. [2022-01-18 23:43:23,568 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 1492 transitions. [2022-01-18 23:43:23,569 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-01-18 23:43:23,569 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 1492 transitions. [2022-01-18 23:43:23,571 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 165.77777777777777) internal successors, (1492), 9 states have internal predecessors, (1492), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 23:43:23,573 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 209.0) internal successors, (2090), 10 states have internal predecessors, (2090), 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) [2022-01-18 23:43:23,573 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 209.0) internal successors, (2090), 10 states have internal predecessors, (2090), 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) [2022-01-18 23:43:23,574 INFO L186 Difference]: Start difference. First operand has 186 places, 157 transitions, 356 flow. Second operand 9 states and 1492 transitions. [2022-01-18 23:43:23,574 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 175 places, 167 transitions, 424 flow [2022-01-18 23:43:23,575 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 174 places, 167 transitions, 410 flow, removed 6 selfloop flow, removed 1 redundant places. [2022-01-18 23:43:23,576 INFO L242 Difference]: Finished difference. Result has 177 places, 163 transitions, 392 flow [2022-01-18 23:43:23,576 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=209, PETRI_DIFFERENCE_MINUEND_FLOW=342, PETRI_DIFFERENCE_MINUEND_PLACES=166, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=157, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=151, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=392, PETRI_PLACES=177, PETRI_TRANSITIONS=163} [2022-01-18 23:43:23,577 INFO L334 CegarLoopForPetriNet]: 184 programPoint places, -7 predicate places. [2022-01-18 23:43:23,577 INFO L470 AbstractCegarLoop]: Abstraction has has 177 places, 163 transitions, 392 flow [2022-01-18 23:43:23,577 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 165.3) internal successors, (1653), 10 states have internal predecessors, (1653), 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) [2022-01-18 23:43:23,577 INFO L246 CegarLoopForPetriNet]: Found error trace [2022-01-18 23:43:23,578 INFO L254 CegarLoopForPetriNet]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 23:43:23,601 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-01-18 23:43:23,794 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-18 23:43:23,794 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2022-01-18 23:43:23,794 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 23:43:23,794 INFO L85 PathProgramCache]: Analyzing trace with hash 164240467, now seen corresponding path program 1 times [2022-01-18 23:43:23,794 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 23:43:23,794 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [772318528] [2022-01-18 23:43:23,795 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 23:43:23,795 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 23:43:23,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 23:43:23,870 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2022-01-18 23:43:23,870 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 23:43:23,870 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [772318528] [2022-01-18 23:43:23,870 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [772318528] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 23:43:23,870 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 23:43:23,870 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-01-18 23:43:23,870 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1253224765] [2022-01-18 23:43:23,870 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 23:43:23,871 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-01-18 23:43:23,871 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 23:43:23,871 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-01-18 23:43:23,871 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-01-18 23:43:23,872 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 149 out of 209 [2022-01-18 23:43:23,874 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 177 places, 163 transitions, 392 flow. Second operand has 5 states, 5 states have (on average 150.6) internal successors, (753), 5 states have internal predecessors, (753), 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) [2022-01-18 23:43:23,874 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-01-18 23:43:23,874 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 149 of 209 [2022-01-18 23:43:23,874 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-01-18 23:43:27,924 INFO L129 PetriNetUnfolder]: 16743/41771 cut-off events. [2022-01-18 23:43:27,924 INFO L130 PetriNetUnfolder]: For 475/475 co-relation queries the response was YES. [2022-01-18 23:43:28,121 INFO L84 FinitePrefix]: Finished finitePrefix Result has 64961 conditions, 41771 events. 16743/41771 cut-off events. For 475/475 co-relation queries the response was YES. Maximal size of possible extension queue 1788. Compared 504986 event pairs, 9176 based on Foata normal form. 750/41856 useless extension candidates. Maximal degree in co-relation 64836. Up to 14189 conditions per place. [2022-01-18 23:43:28,230 INFO L132 encePairwiseOnDemand]: 201/209 looper letters, 31 selfloop transitions, 5 changer transitions 53/227 dead transitions. [2022-01-18 23:43:28,230 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 183 places, 227 transitions, 713 flow [2022-01-18 23:43:28,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-01-18 23:43:28,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2022-01-18 23:43:28,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 1134 transitions. [2022-01-18 23:43:28,232 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.7751196172248804 [2022-01-18 23:43:28,232 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 1134 transitions. [2022-01-18 23:43:28,232 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 1134 transitions. [2022-01-18 23:43:28,233 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-01-18 23:43:28,233 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 1134 transitions. [2022-01-18 23:43:28,234 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 162.0) internal successors, (1134), 7 states have internal predecessors, (1134), 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) [2022-01-18 23:43:28,236 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 209.0) internal successors, (1672), 8 states have internal predecessors, (1672), 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) [2022-01-18 23:43:28,236 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 209.0) internal successors, (1672), 8 states have internal predecessors, (1672), 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) [2022-01-18 23:43:28,236 INFO L186 Difference]: Start difference. First operand has 177 places, 163 transitions, 392 flow. Second operand 7 states and 1134 transitions. [2022-01-18 23:43:28,236 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 183 places, 227 transitions, 713 flow [2022-01-18 23:43:28,238 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 182 places, 227 transitions, 707 flow, removed 2 selfloop flow, removed 1 redundant places. [2022-01-18 23:43:28,239 INFO L242 Difference]: Finished difference. Result has 187 places, 167 transitions, 443 flow [2022-01-18 23:43:28,240 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=209, PETRI_DIFFERENCE_MINUEND_FLOW=386, PETRI_DIFFERENCE_MINUEND_PLACES=176, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=163, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=158, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=443, PETRI_PLACES=187, PETRI_TRANSITIONS=167} [2022-01-18 23:43:28,240 INFO L334 CegarLoopForPetriNet]: 184 programPoint places, 3 predicate places. [2022-01-18 23:43:28,240 INFO L470 AbstractCegarLoop]: Abstraction has has 187 places, 167 transitions, 443 flow [2022-01-18 23:43:28,240 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 150.6) internal successors, (753), 5 states have internal predecessors, (753), 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) [2022-01-18 23:43:28,240 INFO L246 CegarLoopForPetriNet]: Found error trace [2022-01-18 23:43:28,241 INFO L254 CegarLoopForPetriNet]: trace histogram [5, 5, 5, 5, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 23:43:28,241 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-01-18 23:43:28,241 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0INUSE_VIOLATION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2022-01-18 23:43:28,241 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 23:43:28,242 INFO L85 PathProgramCache]: Analyzing trace with hash -2101227452, now seen corresponding path program 1 times [2022-01-18 23:43:28,242 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 23:43:28,242 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2138529201] [2022-01-18 23:43:28,242 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 23:43:28,242 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 23:43:28,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-01-18 23:43:28,255 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-01-18 23:43:28,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-01-18 23:43:28,268 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-01-18 23:43:28,269 INFO L628 BasicCegarLoop]: Counterexample is feasible [2022-01-18 23:43:28,269 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATION (1 of 2 remaining) [2022-01-18 23:43:28,269 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 2 remaining) [2022-01-18 23:43:28,269 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-01-18 23:43:28,269 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2022-01-18 23:43:28,269 WARN L235 ceAbstractionStarter]: 4 thread instances were not sufficient, I will increase this number and restart the analysis [2022-01-18 23:43:28,270 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 5 thread instances. [2022-01-18 23:43:28,280 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:28,280 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:28,280 WARN L322 ript$VariableManager]: TermVariabe t_funThread3of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:28,280 WARN L322 ript$VariableManager]: TermVariabe t_funThread3of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:28,280 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:28,280 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:28,280 WARN L322 ript$VariableManager]: TermVariabe t_funThread3of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:28,280 WARN L322 ript$VariableManager]: TermVariabe t_funThread3of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:28,281 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of5ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:28,281 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of5ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:28,281 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of5ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:28,281 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of5ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:28,281 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of5ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:28,281 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of5ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:28,281 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of5ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:28,281 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of5ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:28,281 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of5ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:28,281 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of5ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:28,281 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:28,281 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:28,281 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:28,282 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:28,282 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of5ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:28,282 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of5ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:28,282 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of5ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:28,282 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of5ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:28,282 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of5ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:28,282 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of5ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:28,282 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of5ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:28,282 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of5ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:28,282 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of5ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:28,282 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of5ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:28,282 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of5ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:28,282 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of5ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:28,282 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of5ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:28,282 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of5ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:28,283 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:28,283 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:28,283 WARN L322 ript$VariableManager]: TermVariabe t_funThread2of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:28,283 WARN L322 ript$VariableManager]: TermVariabe t_funThread2of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:28,283 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:28,283 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:28,283 WARN L322 ript$VariableManager]: TermVariabe t_funThread2of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:28,283 WARN L322 ript$VariableManager]: TermVariabe t_funThread2of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:28,283 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of5ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:28,283 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of5ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:28,283 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of5ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:28,283 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of5ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:28,283 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of5ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:28,283 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of5ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:28,284 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of5ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:28,284 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of5ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:28,284 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of5ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:28,284 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of5ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:28,284 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:28,284 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:28,284 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:28,284 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:28,284 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of5ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:28,284 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of5ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:28,284 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of5ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:28,284 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of5ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:28,284 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of5ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:28,284 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of5ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:28,284 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of5ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:28,284 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of5ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:28,285 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of5ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:28,285 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of5ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:28,285 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of5ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:28,285 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of5ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:28,285 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of5ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:28,285 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of5ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:28,285 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:28,285 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:28,285 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:28,285 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:28,285 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:28,285 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:28,285 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:28,285 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:28,285 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of5ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:28,286 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of5ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:28,286 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of5ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:28,286 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of5ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:28,286 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of5ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:28,286 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of5ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:28,286 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of5ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:28,286 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of5ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:28,286 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of5ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:28,286 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of5ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:28,286 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:28,286 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:28,286 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:28,286 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:28,286 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of5ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:28,286 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of5ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:28,287 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of5ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:28,287 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of5ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:28,287 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of5ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:28,287 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of5ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:28,287 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of5ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:28,287 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of5ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:28,287 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of5ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:28,287 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of5ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:28,287 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of5ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:28,287 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of5ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:28,287 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of5ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:28,287 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of5ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:28,287 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:28,287 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:28,288 WARN L322 ript$VariableManager]: TermVariabe t_funThread4of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:28,288 WARN L322 ript$VariableManager]: TermVariabe t_funThread4of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:28,288 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:28,288 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:28,288 WARN L322 ript$VariableManager]: TermVariabe t_funThread4of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:28,288 WARN L322 ript$VariableManager]: TermVariabe t_funThread4of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:28,288 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of5ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:28,288 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of5ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:28,288 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of5ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:28,288 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of5ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:28,288 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of5ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:28,288 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of5ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:28,288 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of5ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:28,288 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of5ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:28,288 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of5ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:28,289 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of5ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:28,289 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:28,289 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:28,289 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:28,289 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:28,289 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of5ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:28,289 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of5ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:28,289 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of5ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:28,289 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of5ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:28,289 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of5ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:28,289 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of5ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:28,289 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of5ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:28,289 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of5ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:28,289 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of5ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:28,289 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of5ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:28,289 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of5ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:28,290 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of5ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:28,290 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of5ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:28,290 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of5ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:28,290 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:28,290 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:28,290 WARN L322 ript$VariableManager]: TermVariabe t_funThread5of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:28,290 WARN L322 ript$VariableManager]: TermVariabe t_funThread5of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:28,290 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:28,290 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:28,290 WARN L322 ript$VariableManager]: TermVariabe t_funThread5of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:28,290 WARN L322 ript$VariableManager]: TermVariabe t_funThread5of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:28,290 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of5ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:28,290 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of5ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:28,290 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of5ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:28,290 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of5ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:28,290 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of5ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:28,291 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of5ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:28,291 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of5ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:28,291 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of5ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:28,291 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of5ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:28,291 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of5ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:28,291 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:28,291 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:28,291 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:28,291 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:28,291 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of5ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:28,291 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of5ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:28,291 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of5ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:28,291 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of5ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:28,291 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of5ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:28,291 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of5ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:28,292 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of5ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:28,292 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of5ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:28,292 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of5ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:28,292 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of5ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:28,292 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of5ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:28,292 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of5ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:28,292 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of5ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:28,292 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of5ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:28,292 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of5ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:28,292 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of5ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:28,292 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of5ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:28,292 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:28,292 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:28,293 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of5ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:28,293 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:28,293 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:28,293 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of5ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:28,293 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of5ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:28,293 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:28,293 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of5ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:28,293 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of5ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:28,293 WARN L322 ript$VariableManager]: TermVariabe t_funThread2of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:28,293 WARN L322 ript$VariableManager]: TermVariabe t_funThread2of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:28,293 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of5ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:28,293 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of5ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:28,293 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:28,294 WARN L322 ript$VariableManager]: TermVariabe t_funThread3of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:28,294 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:28,294 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of5ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:28,294 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of5ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:28,294 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of5ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:28,294 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:28,294 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of5ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:28,294 WARN L322 ript$VariableManager]: TermVariabe t_funThread3of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:28,294 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of5ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:28,294 WARN L322 ript$VariableManager]: TermVariabe t_funThread4of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:28,295 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of5ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:28,295 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of5ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:28,295 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:28,295 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of5ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:28,295 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of5ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:28,295 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:28,295 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of5ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:28,295 WARN L322 ript$VariableManager]: TermVariabe t_funThread4of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:28,295 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:28,295 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of5ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:28,295 WARN L322 ript$VariableManager]: TermVariabe t_funThread5of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:28,295 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of5ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:28,295 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of5ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:28,295 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:28,296 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of5ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:28,296 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of5ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:28,296 WARN L322 ript$VariableManager]: TermVariabe t_funThread5of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:28,297 INFO L148 ThreadInstanceAdder]: Constructed 5 joinOtherThreadTransitions. [2022-01-18 23:43:28,298 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-01-18 23:43:28,298 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=false, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2022-01-18 23:43:28,298 INFO L340 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-01-18 23:43:28,300 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 209 places, 239 transitions, 538 flow [2022-01-18 23:43:28,381 INFO L129 PetriNetUnfolder]: 141/894 cut-off events. [2022-01-18 23:43:28,381 INFO L130 PetriNetUnfolder]: For 110/110 co-relation queries the response was YES. [2022-01-18 23:43:28,390 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1005 conditions, 894 events. 141/894 cut-off events. For 110/110 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 3988 event pairs, 23 based on Foata normal form. 0/763 useless extension candidates. Maximal degree in co-relation 607. Up to 80 conditions per place. [2022-01-18 23:43:28,390 INFO L82 GeneralOperation]: Start removeDead. Operand has 209 places, 239 transitions, 538 flow [2022-01-18 23:43:28,459 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 209 places, 239 transitions, 538 flow [2022-01-18 23:43:28,462 INFO L129 PetriNetUnfolder]: 7/94 cut-off events. [2022-01-18 23:43:28,462 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-01-18 23:43:28,463 INFO L246 CegarLoopForPetriNet]: Found error trace [2022-01-18 23:43:28,463 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 23:43:28,463 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2022-01-18 23:43:28,463 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 23:43:28,463 INFO L85 PathProgramCache]: Analyzing trace with hash -1382545535, now seen corresponding path program 1 times [2022-01-18 23:43:28,463 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 23:43:28,463 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1686780853] [2022-01-18 23:43:28,463 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 23:43:28,463 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 23:43:28,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 23:43:28,480 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 23:43:28,480 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 23:43:28,480 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1686780853] [2022-01-18 23:43:28,480 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1686780853] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 23:43:28,480 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 23:43:28,480 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-01-18 23:43:28,480 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1893614013] [2022-01-18 23:43:28,480 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 23:43:28,481 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-01-18 23:43:28,481 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 23:43:28,481 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-01-18 23:43:28,481 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-01-18 23:43:28,481 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 193 out of 239 [2022-01-18 23:43:28,482 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 209 places, 239 transitions, 538 flow. Second operand has 2 states, 2 states have (on average 193.5) internal successors, (387), 2 states have internal predecessors, (387), 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) [2022-01-18 23:43:28,482 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-01-18 23:43:28,482 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 193 of 239 [2022-01-18 23:43:28,482 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-01-18 23:43:28,580 INFO L129 PetriNetUnfolder]: 55/802 cut-off events. [2022-01-18 23:43:28,580 INFO L130 PetriNetUnfolder]: For 292/320 co-relation queries the response was YES. [2022-01-18 23:43:28,585 INFO L84 FinitePrefix]: Finished finitePrefix Result has 999 conditions, 802 events. 55/802 cut-off events. For 292/320 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 3732 event pairs, 23 based on Foata normal form. 580/1337 useless extension candidates. Maximal degree in co-relation 578. Up to 86 conditions per place. [2022-01-18 23:43:28,586 INFO L132 encePairwiseOnDemand]: 204/239 looper letters, 5 selfloop transitions, 0 changer transitions 24/203 dead transitions. [2022-01-18 23:43:28,586 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 209 places, 203 transitions, 486 flow [2022-01-18 23:43:28,586 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-01-18 23:43:28,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2022-01-18 23:43:28,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 431 transitions. [2022-01-18 23:43:28,587 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9016736401673641 [2022-01-18 23:43:28,587 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 431 transitions. [2022-01-18 23:43:28,587 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 431 transitions. [2022-01-18 23:43:28,588 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-01-18 23:43:28,588 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 431 transitions. [2022-01-18 23:43:28,588 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 215.5) internal successors, (431), 2 states have internal predecessors, (431), 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) [2022-01-18 23:43:28,589 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 239.0) internal successors, (717), 3 states have internal predecessors, (717), 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) [2022-01-18 23:43:28,589 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 239.0) internal successors, (717), 3 states have internal predecessors, (717), 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) [2022-01-18 23:43:28,589 INFO L186 Difference]: Start difference. First operand has 209 places, 239 transitions, 538 flow. Second operand 2 states and 431 transitions. [2022-01-18 23:43:28,589 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 209 places, 203 transitions, 486 flow [2022-01-18 23:43:28,591 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 209 places, 203 transitions, 486 flow, removed 0 selfloop flow, removed 0 redundant places. [2022-01-18 23:43:28,592 INFO L242 Difference]: Finished difference. Result has 209 places, 179 transitions, 403 flow [2022-01-18 23:43:28,592 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=239, PETRI_DIFFERENCE_MINUEND_FLOW=466, PETRI_DIFFERENCE_MINUEND_PLACES=208, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=203, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=203, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=403, PETRI_PLACES=209, PETRI_TRANSITIONS=179} [2022-01-18 23:43:28,593 INFO L334 CegarLoopForPetriNet]: 209 programPoint places, 0 predicate places. [2022-01-18 23:43:28,593 INFO L470 AbstractCegarLoop]: Abstraction has has 209 places, 179 transitions, 403 flow [2022-01-18 23:43:28,593 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 193.5) internal successors, (387), 2 states have internal predecessors, (387), 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) [2022-01-18 23:43:28,593 INFO L246 CegarLoopForPetriNet]: Found error trace [2022-01-18 23:43:28,593 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 23:43:28,593 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-01-18 23:43:28,593 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2022-01-18 23:43:28,594 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 23:43:28,594 INFO L85 PathProgramCache]: Analyzing trace with hash 1115470402, now seen corresponding path program 1 times [2022-01-18 23:43:28,594 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 23:43:28,594 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2114132840] [2022-01-18 23:43:28,594 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 23:43:28,594 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 23:43:28,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 23:43:28,611 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 23:43:28,611 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 23:43:28,611 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2114132840] [2022-01-18 23:43:28,611 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2114132840] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 23:43:28,611 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 23:43:28,611 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-18 23:43:28,612 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [221468516] [2022-01-18 23:43:28,612 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 23:43:28,612 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-18 23:43:28,612 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 23:43:28,612 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-18 23:43:28,612 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-18 23:43:28,613 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 186 out of 239 [2022-01-18 23:43:28,613 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 209 places, 179 transitions, 403 flow. Second operand has 3 states, 3 states have (on average 187.0) internal successors, (561), 3 states have internal predecessors, (561), 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) [2022-01-18 23:43:28,613 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-01-18 23:43:28,613 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 186 of 239 [2022-01-18 23:43:28,613 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-01-18 23:43:28,645 INFO L129 PetriNetUnfolder]: 1/263 cut-off events. [2022-01-18 23:43:28,645 INFO L130 PetriNetUnfolder]: For 30/30 co-relation queries the response was YES. [2022-01-18 23:43:28,646 INFO L84 FinitePrefix]: Finished finitePrefix Result has 330 conditions, 263 events. 1/263 cut-off events. For 30/30 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 611 event pairs, 0 based on Foata normal form. 0/257 useless extension candidates. Maximal degree in co-relation 322. Up to 30 conditions per place. [2022-01-18 23:43:28,646 INFO L132 encePairwiseOnDemand]: 236/239 looper letters, 14 selfloop transitions, 2 changer transitions 0/183 dead transitions. [2022-01-18 23:43:28,646 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 192 places, 183 transitions, 443 flow [2022-01-18 23:43:28,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-18 23:43:28,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-01-18 23:43:28,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 575 transitions. [2022-01-18 23:43:28,648 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8019525801952581 [2022-01-18 23:43:28,648 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 575 transitions. [2022-01-18 23:43:28,648 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 575 transitions. [2022-01-18 23:43:28,648 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-01-18 23:43:28,648 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 575 transitions. [2022-01-18 23:43:28,649 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 191.66666666666666) internal successors, (575), 3 states have internal predecessors, (575), 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) [2022-01-18 23:43:28,650 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 239.0) internal successors, (956), 4 states have internal predecessors, (956), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 23:43:28,650 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 239.0) internal successors, (956), 4 states have internal predecessors, (956), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 23:43:28,650 INFO L186 Difference]: Start difference. First operand has 209 places, 179 transitions, 403 flow. Second operand 3 states and 575 transitions. [2022-01-18 23:43:28,650 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 192 places, 183 transitions, 443 flow [2022-01-18 23:43:28,652 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 192 places, 183 transitions, 423 flow, removed 10 selfloop flow, removed 0 redundant places. [2022-01-18 23:43:28,653 INFO L242 Difference]: Finished difference. Result has 193 places, 180 transitions, 395 flow [2022-01-18 23:43:28,654 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=239, PETRI_DIFFERENCE_MINUEND_FLOW=383, PETRI_DIFFERENCE_MINUEND_PLACES=190, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=179, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=177, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=395, PETRI_PLACES=193, PETRI_TRANSITIONS=180} [2022-01-18 23:43:28,654 INFO L334 CegarLoopForPetriNet]: 209 programPoint places, -16 predicate places. [2022-01-18 23:43:28,654 INFO L470 AbstractCegarLoop]: Abstraction has has 193 places, 180 transitions, 395 flow [2022-01-18 23:43:28,654 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 187.0) internal successors, (561), 3 states have internal predecessors, (561), 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) [2022-01-18 23:43:28,654 INFO L246 CegarLoopForPetriNet]: Found error trace [2022-01-18 23:43:28,654 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 23:43:28,655 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-01-18 23:43:28,655 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2022-01-18 23:43:28,655 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 23:43:28,655 INFO L85 PathProgramCache]: Analyzing trace with hash 1867265944, now seen corresponding path program 1 times [2022-01-18 23:43:28,655 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 23:43:28,655 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [178199061] [2022-01-18 23:43:28,655 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 23:43:28,655 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 23:43:28,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 23:43:28,683 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 23:43:28,683 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 23:43:28,683 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [178199061] [2022-01-18 23:43:28,683 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [178199061] provided 0 perfect and 1 imperfect interpolant sequences [2022-01-18 23:43:28,683 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [701997169] [2022-01-18 23:43:28,684 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 23:43:28,684 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-18 23:43:28,684 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-18 23:43:28,708 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-01-18 23:43:28,748 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-01-18 23:43:28,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 23:43:28,820 INFO L263 TraceCheckSpWp]: Trace formula consists of 157 conjuncts, 4 conjunts are in the unsatisfiable core [2022-01-18 23:43:28,823 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-18 23:43:28,895 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 23:43:28,895 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-01-18 23:43:28,964 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 23:43:28,964 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [701997169] provided 0 perfect and 2 imperfect interpolant sequences [2022-01-18 23:43:28,964 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-01-18 23:43:28,964 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2022-01-18 23:43:28,964 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [375691563] [2022-01-18 23:43:28,964 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-01-18 23:43:28,965 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-01-18 23:43:28,965 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 23:43:28,965 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-01-18 23:43:28,965 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2022-01-18 23:43:28,966 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 185 out of 239 [2022-01-18 23:43:28,967 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 193 places, 180 transitions, 395 flow. Second operand has 10 states, 10 states have (on average 187.3) internal successors, (1873), 10 states have internal predecessors, (1873), 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) [2022-01-18 23:43:28,967 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-01-18 23:43:28,967 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 185 of 239 [2022-01-18 23:43:28,967 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-01-18 23:43:29,033 INFO L129 PetriNetUnfolder]: 1/241 cut-off events. [2022-01-18 23:43:29,033 INFO L130 PetriNetUnfolder]: For 7/7 co-relation queries the response was YES. [2022-01-18 23:43:29,033 INFO L84 FinitePrefix]: Finished finitePrefix Result has 313 conditions, 241 events. 1/241 cut-off events. For 7/7 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 487 event pairs, 0 based on Foata normal form. 2/242 useless extension candidates. Maximal degree in co-relation 303. Up to 15 conditions per place. [2022-01-18 23:43:29,034 INFO L132 encePairwiseOnDemand]: 233/239 looper letters, 15 selfloop transitions, 9 changer transitions 0/190 dead transitions. [2022-01-18 23:43:29,034 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 201 places, 190 transitions, 465 flow [2022-01-18 23:43:29,034 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-01-18 23:43:29,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2022-01-18 23:43:29,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 1691 transitions. [2022-01-18 23:43:29,037 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.7861459786145979 [2022-01-18 23:43:29,037 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 1691 transitions. [2022-01-18 23:43:29,037 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 1691 transitions. [2022-01-18 23:43:29,037 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-01-18 23:43:29,038 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 1691 transitions. [2022-01-18 23:43:29,040 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 187.88888888888889) internal successors, (1691), 9 states have internal predecessors, (1691), 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) [2022-01-18 23:43:29,042 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 239.0) internal successors, (2390), 10 states have internal predecessors, (2390), 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) [2022-01-18 23:43:29,043 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 239.0) internal successors, (2390), 10 states have internal predecessors, (2390), 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) [2022-01-18 23:43:29,043 INFO L186 Difference]: Start difference. First operand has 193 places, 180 transitions, 395 flow. Second operand 9 states and 1691 transitions. [2022-01-18 23:43:29,043 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 201 places, 190 transitions, 465 flow [2022-01-18 23:43:29,044 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 200 places, 190 transitions, 463 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-01-18 23:43:29,045 INFO L242 Difference]: Finished difference. Result has 203 places, 186 transitions, 443 flow [2022-01-18 23:43:29,046 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=239, PETRI_DIFFERENCE_MINUEND_FLOW=393, PETRI_DIFFERENCE_MINUEND_PLACES=192, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=180, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=174, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=443, PETRI_PLACES=203, PETRI_TRANSITIONS=186} [2022-01-18 23:43:29,046 INFO L334 CegarLoopForPetriNet]: 209 programPoint places, -6 predicate places. [2022-01-18 23:43:29,046 INFO L470 AbstractCegarLoop]: Abstraction has has 203 places, 186 transitions, 443 flow [2022-01-18 23:43:29,047 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 187.3) internal successors, (1873), 10 states have internal predecessors, (1873), 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) [2022-01-18 23:43:29,047 INFO L246 CegarLoopForPetriNet]: Found error trace [2022-01-18 23:43:29,047 INFO L254 CegarLoopForPetriNet]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 23:43:29,073 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-01-18 23:43:29,264 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2022-01-18 23:43:29,265 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2022-01-18 23:43:29,265 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 23:43:29,265 INFO L85 PathProgramCache]: Analyzing trace with hash 1252902023, now seen corresponding path program 1 times [2022-01-18 23:43:29,265 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 23:43:29,265 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [348807442] [2022-01-18 23:43:29,265 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 23:43:29,265 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 23:43:29,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 23:43:29,324 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2022-01-18 23:43:29,324 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 23:43:29,324 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [348807442] [2022-01-18 23:43:29,324 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [348807442] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 23:43:29,324 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 23:43:29,324 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-01-18 23:43:29,325 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1643534946] [2022-01-18 23:43:29,325 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 23:43:29,325 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-01-18 23:43:29,325 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 23:43:29,325 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-01-18 23:43:29,325 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-01-18 23:43:29,326 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 167 out of 239 [2022-01-18 23:43:29,327 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 203 places, 186 transitions, 443 flow. Second operand has 5 states, 5 states have (on average 168.6) internal successors, (843), 5 states have internal predecessors, (843), 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) [2022-01-18 23:43:29,327 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-01-18 23:43:29,327 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 167 of 239 [2022-01-18 23:43:29,327 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-01-18 23:43:54,956 INFO L129 PetriNetUnfolder]: 110510/244948 cut-off events. [2022-01-18 23:43:54,957 INFO L130 PetriNetUnfolder]: For 2554/2554 co-relation queries the response was YES. [2022-01-18 23:43:57,319 INFO L84 FinitePrefix]: Finished finitePrefix Result has 389206 conditions, 244948 events. 110510/244948 cut-off events. For 2554/2554 co-relation queries the response was YES. Maximal size of possible extension queue 8950. Compared 3340248 event pairs, 76730 based on Foata normal form. 3875/246561 useless extension candidates. Maximal degree in co-relation 389194. Up to 88950 conditions per place. [2022-01-18 23:43:58,133 INFO L132 encePairwiseOnDemand]: 230/239 looper letters, 38 selfloop transitions, 6 changer transitions 65/265 dead transitions. [2022-01-18 23:43:58,133 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 209 places, 265 transitions, 839 flow [2022-01-18 23:43:58,134 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-01-18 23:43:58,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2022-01-18 23:43:58,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 1280 transitions. [2022-01-18 23:43:58,140 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.7650926479378363 [2022-01-18 23:43:58,140 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 1280 transitions. [2022-01-18 23:43:58,140 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 1280 transitions. [2022-01-18 23:43:58,142 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-01-18 23:43:58,142 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 1280 transitions. [2022-01-18 23:43:58,144 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 182.85714285714286) internal successors, (1280), 7 states have internal predecessors, (1280), 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) [2022-01-18 23:43:58,147 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 239.0) internal successors, (1912), 8 states have internal predecessors, (1912), 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) [2022-01-18 23:43:58,147 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 239.0) internal successors, (1912), 8 states have internal predecessors, (1912), 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) [2022-01-18 23:43:58,147 INFO L186 Difference]: Start difference. First operand has 203 places, 186 transitions, 443 flow. Second operand 7 states and 1280 transitions. [2022-01-18 23:43:58,148 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 209 places, 265 transitions, 839 flow [2022-01-18 23:43:58,152 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 208 places, 265 transitions, 833 flow, removed 2 selfloop flow, removed 1 redundant places. [2022-01-18 23:43:58,154 INFO L242 Difference]: Finished difference. Result has 213 places, 191 transitions, 505 flow [2022-01-18 23:43:58,155 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=239, PETRI_DIFFERENCE_MINUEND_FLOW=437, PETRI_DIFFERENCE_MINUEND_PLACES=202, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=186, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=180, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=505, PETRI_PLACES=213, PETRI_TRANSITIONS=191} [2022-01-18 23:43:58,155 INFO L334 CegarLoopForPetriNet]: 209 programPoint places, 4 predicate places. [2022-01-18 23:43:58,155 INFO L470 AbstractCegarLoop]: Abstraction has has 213 places, 191 transitions, 505 flow [2022-01-18 23:43:58,156 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 168.6) internal successors, (843), 5 states have internal predecessors, (843), 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) [2022-01-18 23:43:58,156 INFO L246 CegarLoopForPetriNet]: Found error trace [2022-01-18 23:43:58,156 INFO L254 CegarLoopForPetriNet]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 23:43:58,156 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-01-18 23:43:58,156 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2022-01-18 23:43:58,156 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 23:43:58,156 INFO L85 PathProgramCache]: Analyzing trace with hash -1157644303, now seen corresponding path program 1 times [2022-01-18 23:43:58,156 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 23:43:58,156 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1843457047] [2022-01-18 23:43:58,157 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 23:43:58,157 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 23:43:58,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 23:43:58,214 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 33 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 23:43:58,214 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 23:43:58,214 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1843457047] [2022-01-18 23:43:58,214 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1843457047] provided 0 perfect and 1 imperfect interpolant sequences [2022-01-18 23:43:58,214 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [186322794] [2022-01-18 23:43:58,214 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 23:43:58,214 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-18 23:43:58,215 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-18 23:43:58,216 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-01-18 23:43:58,217 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-01-18 23:43:58,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 23:43:58,312 INFO L263 TraceCheckSpWp]: Trace formula consists of 228 conjuncts, 8 conjunts are in the unsatisfiable core [2022-01-18 23:43:58,318 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-18 23:43:58,443 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 33 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 23:43:58,443 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-01-18 23:43:58,625 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 33 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 23:43:58,625 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [186322794] provided 0 perfect and 2 imperfect interpolant sequences [2022-01-18 23:43:58,625 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-01-18 23:43:58,625 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 18 [2022-01-18 23:43:58,625 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [965432617] [2022-01-18 23:43:58,626 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-01-18 23:43:58,626 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2022-01-18 23:43:58,626 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 23:43:58,626 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2022-01-18 23:43:58,627 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=90, Invalid=216, Unknown=0, NotChecked=0, Total=306 [2022-01-18 23:43:58,629 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 185 out of 239 [2022-01-18 23:43:58,631 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 213 places, 191 transitions, 505 flow. Second operand has 18 states, 18 states have (on average 187.61111111111111) internal successors, (3377), 18 states have internal predecessors, (3377), 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) [2022-01-18 23:43:58,631 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-01-18 23:43:58,631 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 185 of 239 [2022-01-18 23:43:58,631 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-01-18 23:43:58,820 INFO L129 PetriNetUnfolder]: 50/647 cut-off events. [2022-01-18 23:43:58,820 INFO L130 PetriNetUnfolder]: For 115/311 co-relation queries the response was YES. [2022-01-18 23:43:58,826 INFO L84 FinitePrefix]: Finished finitePrefix Result has 981 conditions, 647 events. 50/647 cut-off events. For 115/311 co-relation queries the response was YES. Maximal size of possible extension queue 24. Compared 3357 event pairs, 23 based on Foata normal form. 3/632 useless extension candidates. Maximal degree in co-relation 963. Up to 81 conditions per place. [2022-01-18 23:43:58,828 INFO L132 encePairwiseOnDemand]: 234/239 looper letters, 18 selfloop transitions, 16 changer transitions 0/195 dead transitions. [2022-01-18 23:43:58,828 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 215 places, 195 transitions, 593 flow [2022-01-18 23:43:58,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-01-18 23:43:58,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2022-01-18 23:43:58,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 3367 transitions. [2022-01-18 23:43:58,833 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.7826592282659228 [2022-01-18 23:43:58,833 INFO L72 ComplementDD]: Start complementDD. Operand 18 states and 3367 transitions. [2022-01-18 23:43:58,834 INFO L73 IsDeterministic]: Start isDeterministic. Operand 18 states and 3367 transitions. [2022-01-18 23:43:58,835 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-01-18 23:43:58,835 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 18 states and 3367 transitions. [2022-01-18 23:43:58,839 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 19 states, 18 states have (on average 187.05555555555554) internal successors, (3367), 18 states have internal predecessors, (3367), 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) [2022-01-18 23:43:58,844 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 19 states, 19 states have (on average 239.0) internal successors, (4541), 19 states have internal predecessors, (4541), 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) [2022-01-18 23:43:58,844 INFO L81 ComplementDD]: Finished complementDD. Result has 19 states, 19 states have (on average 239.0) internal successors, (4541), 19 states have internal predecessors, (4541), 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) [2022-01-18 23:43:58,844 INFO L186 Difference]: Start difference. First operand has 213 places, 191 transitions, 505 flow. Second operand 18 states and 3367 transitions. [2022-01-18 23:43:58,844 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 215 places, 195 transitions, 593 flow [2022-01-18 23:43:58,846 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 209 places, 195 transitions, 556 flow, removed 10 selfloop flow, removed 6 redundant places. [2022-01-18 23:43:58,847 INFO L242 Difference]: Finished difference. Result has 209 places, 186 transitions, 492 flow [2022-01-18 23:43:58,848 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=239, PETRI_DIFFERENCE_MINUEND_FLOW=434, PETRI_DIFFERENCE_MINUEND_PLACES=192, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=180, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=170, PETRI_DIFFERENCE_SUBTRAHEND_STATES=18, PETRI_FLOW=492, PETRI_PLACES=209, PETRI_TRANSITIONS=186} [2022-01-18 23:43:58,848 INFO L334 CegarLoopForPetriNet]: 209 programPoint places, 0 predicate places. [2022-01-18 23:43:58,848 INFO L470 AbstractCegarLoop]: Abstraction has has 209 places, 186 transitions, 492 flow [2022-01-18 23:43:58,849 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 187.61111111111111) internal successors, (3377), 18 states have internal predecessors, (3377), 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) [2022-01-18 23:43:58,849 INFO L246 CegarLoopForPetriNet]: Found error trace [2022-01-18 23:43:58,849 INFO L254 CegarLoopForPetriNet]: trace histogram [6, 6, 6, 6, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 23:43:58,881 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2022-01-18 23:43:59,085 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2022-01-18 23:43:59,086 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0INUSE_VIOLATION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2022-01-18 23:43:59,086 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 23:43:59,086 INFO L85 PathProgramCache]: Analyzing trace with hash 74011338, now seen corresponding path program 1 times [2022-01-18 23:43:59,086 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 23:43:59,086 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1998267840] [2022-01-18 23:43:59,086 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 23:43:59,086 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 23:43:59,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-01-18 23:43:59,100 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-01-18 23:43:59,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-01-18 23:43:59,116 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-01-18 23:43:59,116 INFO L628 BasicCegarLoop]: Counterexample is feasible [2022-01-18 23:43:59,116 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATION (1 of 2 remaining) [2022-01-18 23:43:59,116 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 2 remaining) [2022-01-18 23:43:59,116 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-01-18 23:43:59,117 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1] [2022-01-18 23:43:59,117 WARN L235 ceAbstractionStarter]: 5 thread instances were not sufficient, I will increase this number and restart the analysis [2022-01-18 23:43:59,117 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 6 thread instances. [2022-01-18 23:43:59,127 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of6ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:59,127 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of6ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:59,127 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:59,127 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:59,127 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of6ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:59,128 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of6ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:59,128 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:59,128 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:59,128 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of6ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:59,128 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of6ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:59,128 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of6ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:59,128 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of6ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:59,128 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of6ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:59,128 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of6ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:59,128 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of6ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:59,128 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of6ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:59,128 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of6ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:59,128 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of6ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:59,129 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:59,129 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:59,129 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:59,129 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:59,129 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of6ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:59,129 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of6ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:59,129 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of6ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:59,129 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of6ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:59,129 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of6ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:59,129 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of6ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:59,129 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of6ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:59,129 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of6ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:59,129 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of6ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:59,130 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of6ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:59,130 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of6ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:59,130 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of6ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:59,130 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of6ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:59,130 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of6ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:59,130 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of6ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:59,130 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of6ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:59,130 WARN L322 ript$VariableManager]: TermVariabe t_funThread2of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:59,130 WARN L322 ript$VariableManager]: TermVariabe t_funThread2of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:59,130 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of6ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:59,130 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of6ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:59,130 WARN L322 ript$VariableManager]: TermVariabe t_funThread2of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:59,131 WARN L322 ript$VariableManager]: TermVariabe t_funThread2of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:59,131 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of6ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:59,131 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of6ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:59,131 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of6ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:59,131 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of6ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:59,131 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of6ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:59,131 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of6ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:59,131 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of6ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:59,131 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of6ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:59,131 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of6ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:59,131 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of6ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:59,132 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:59,132 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:59,132 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:59,132 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:59,132 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of6ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:59,132 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of6ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:59,132 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of6ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:59,132 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of6ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:59,132 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of6ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:59,132 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of6ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:59,132 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of6ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:59,132 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of6ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:59,133 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of6ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:59,133 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of6ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:59,133 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of6ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:59,133 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of6ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:59,133 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of6ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:59,133 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of6ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:59,133 WARN L322 ript$VariableManager]: TermVariabe |t_funThread6of6ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:59,133 WARN L322 ript$VariableManager]: TermVariabe |t_funThread6of6ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:59,133 WARN L322 ript$VariableManager]: TermVariabe t_funThread6of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:59,133 WARN L322 ript$VariableManager]: TermVariabe t_funThread6of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:59,133 WARN L322 ript$VariableManager]: TermVariabe |t_funThread6of6ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:59,134 WARN L322 ript$VariableManager]: TermVariabe |t_funThread6of6ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:59,134 WARN L322 ript$VariableManager]: TermVariabe t_funThread6of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:59,134 WARN L322 ript$VariableManager]: TermVariabe t_funThread6of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:59,134 WARN L322 ript$VariableManager]: TermVariabe |t_funThread6of6ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:59,134 WARN L322 ript$VariableManager]: TermVariabe |t_funThread6of6ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:59,134 WARN L322 ript$VariableManager]: TermVariabe |t_funThread6of6ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:59,134 WARN L322 ript$VariableManager]: TermVariabe |t_funThread6of6ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:59,134 WARN L322 ript$VariableManager]: TermVariabe |t_funThread6of6ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:59,134 WARN L322 ript$VariableManager]: TermVariabe |t_funThread6of6ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:59,134 WARN L322 ript$VariableManager]: TermVariabe |t_funThread6of6ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:59,135 WARN L322 ript$VariableManager]: TermVariabe |t_funThread6of6ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:59,135 WARN L322 ript$VariableManager]: TermVariabe |t_funThread6of6ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:59,135 WARN L322 ript$VariableManager]: TermVariabe |t_funThread6of6ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:59,135 WARN L322 ript$VariableManager]: TermVariabe |t_funThread6of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:59,135 WARN L322 ript$VariableManager]: TermVariabe |t_funThread6of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:59,135 WARN L322 ript$VariableManager]: TermVariabe |t_funThread6of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:59,135 WARN L322 ript$VariableManager]: TermVariabe |t_funThread6of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:59,135 WARN L322 ript$VariableManager]: TermVariabe |t_funThread6of6ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:59,135 WARN L322 ript$VariableManager]: TermVariabe |t_funThread6of6ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:59,135 WARN L322 ript$VariableManager]: TermVariabe |t_funThread6of6ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:59,135 WARN L322 ript$VariableManager]: TermVariabe |t_funThread6of6ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:59,136 WARN L322 ript$VariableManager]: TermVariabe |t_funThread6of6ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:59,136 WARN L322 ript$VariableManager]: TermVariabe |t_funThread6of6ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:59,136 WARN L322 ript$VariableManager]: TermVariabe |t_funThread6of6ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:59,136 WARN L322 ript$VariableManager]: TermVariabe |t_funThread6of6ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:59,136 WARN L322 ript$VariableManager]: TermVariabe |t_funThread6of6ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:59,136 WARN L322 ript$VariableManager]: TermVariabe |t_funThread6of6ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:59,136 WARN L322 ript$VariableManager]: TermVariabe |t_funThread6of6ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:59,136 WARN L322 ript$VariableManager]: TermVariabe |t_funThread6of6ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:59,136 WARN L322 ript$VariableManager]: TermVariabe |t_funThread6of6ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:59,136 WARN L322 ript$VariableManager]: TermVariabe |t_funThread6of6ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:59,137 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of6ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:59,137 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of6ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:59,137 WARN L322 ript$VariableManager]: TermVariabe t_funThread4of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:59,137 WARN L322 ript$VariableManager]: TermVariabe t_funThread4of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:59,137 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of6ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:59,137 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of6ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:59,137 WARN L322 ript$VariableManager]: TermVariabe t_funThread4of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:59,137 WARN L322 ript$VariableManager]: TermVariabe t_funThread4of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:59,137 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of6ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:59,137 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of6ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:59,137 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of6ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:59,138 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of6ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:59,138 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of6ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:59,138 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of6ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:59,138 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of6ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:59,138 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of6ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:59,138 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of6ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:59,138 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of6ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:59,138 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:59,138 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:59,138 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:59,139 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:59,139 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of6ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:59,139 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of6ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:59,139 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of6ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:59,139 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of6ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:59,139 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of6ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:59,139 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of6ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:59,139 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of6ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:59,140 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of6ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:59,140 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of6ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:59,140 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of6ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:59,140 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of6ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:59,140 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of6ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:59,140 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of6ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:59,140 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of6ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:59,140 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of6ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:59,140 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of6ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:59,140 WARN L322 ript$VariableManager]: TermVariabe t_funThread5of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:59,140 WARN L322 ript$VariableManager]: TermVariabe t_funThread5of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:59,140 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of6ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:59,140 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of6ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:59,141 WARN L322 ript$VariableManager]: TermVariabe t_funThread5of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:59,141 WARN L322 ript$VariableManager]: TermVariabe t_funThread5of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:59,141 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of6ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:59,141 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of6ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:59,141 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of6ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:59,141 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of6ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:59,141 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of6ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:59,141 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of6ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:59,141 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of6ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:59,141 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of6ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:59,141 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of6ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:59,141 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of6ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:59,141 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:59,141 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:59,141 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:59,141 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:59,142 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of6ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:59,142 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of6ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:59,142 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of6ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:59,142 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of6ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:59,142 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of6ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:59,142 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of6ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:59,142 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of6ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:59,142 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of6ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:59,142 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of6ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:59,142 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of6ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:59,142 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of6ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:59,142 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of6ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:59,142 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of6ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:59,142 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of6ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:59,142 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of6ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:59,142 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of6ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:59,143 WARN L322 ript$VariableManager]: TermVariabe t_funThread3of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:59,143 WARN L322 ript$VariableManager]: TermVariabe t_funThread3of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:59,143 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of6ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:59,143 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of6ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:59,143 WARN L322 ript$VariableManager]: TermVariabe t_funThread3of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:59,143 WARN L322 ript$VariableManager]: TermVariabe t_funThread3of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:59,143 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of6ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:59,143 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of6ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:59,143 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of6ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:59,143 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of6ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:59,143 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of6ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:59,143 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of6ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:59,143 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of6ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:59,143 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of6ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:59,143 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of6ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:59,143 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of6ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:59,144 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:59,144 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:59,144 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:59,144 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:59,144 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of6ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:59,144 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of6ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:59,144 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of6ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:59,144 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of6ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:59,144 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of6ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:59,144 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of6ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:59,144 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of6ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:59,144 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of6ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:59,144 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of6ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:59,144 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of6ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:59,144 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of6ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:59,144 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of6ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:59,145 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of6ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:59,145 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of6ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:59,145 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of6ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:59,145 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:59,145 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of6ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:59,145 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of6ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:59,145 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:59,145 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:59,145 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of6ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:59,145 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of6ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:59,145 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:59,146 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:59,146 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of6ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:59,146 WARN L322 ript$VariableManager]: TermVariabe t_funThread2of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:59,146 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:59,146 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of6ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:59,146 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of6ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:59,146 WARN L322 ript$VariableManager]: TermVariabe t_funThread2of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:59,146 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of6ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:59,146 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of6ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:59,146 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of6ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:59,146 WARN L322 ript$VariableManager]: TermVariabe t_funThread3of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:59,146 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:59,147 WARN L322 ript$VariableManager]: TermVariabe t_funThread3of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:59,147 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of6ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:59,147 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:59,147 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of6ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:59,147 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of6ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:59,147 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of6ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:59,147 WARN L322 ript$VariableManager]: TermVariabe t_funThread4of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:59,147 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of6ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:59,147 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:59,147 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of6ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:59,147 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:59,147 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of6ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:59,147 WARN L322 ript$VariableManager]: TermVariabe t_funThread4of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:59,148 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of6ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:59,148 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of6ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:59,148 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of6ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:59,148 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of6ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:59,148 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:59,148 WARN L322 ript$VariableManager]: TermVariabe t_funThread5of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:59,148 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of6ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:59,148 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:59,148 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of6ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:59,148 WARN L322 ript$VariableManager]: TermVariabe t_funThread5of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:59,148 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of6ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:59,149 WARN L322 ript$VariableManager]: TermVariabe |t_funThread6of6ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:59,149 WARN L322 ript$VariableManager]: TermVariabe |t_funThread6of6ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:59,149 WARN L322 ript$VariableManager]: TermVariabe |t_funThread6of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:59,149 WARN L322 ript$VariableManager]: TermVariabe |t_funThread6of6ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:59,149 WARN L322 ript$VariableManager]: TermVariabe |t_funThread6of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:59,149 WARN L322 ript$VariableManager]: TermVariabe t_funThread6of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:59,149 WARN L322 ript$VariableManager]: TermVariabe t_funThread6of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:59,149 WARN L322 ript$VariableManager]: TermVariabe |t_funThread6of6ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:59,149 WARN L322 ript$VariableManager]: TermVariabe |t_funThread6of6ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:43:59,151 INFO L148 ThreadInstanceAdder]: Constructed 6 joinOtherThreadTransitions. [2022-01-18 23:43:59,152 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-01-18 23:43:59,152 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=false, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2022-01-18 23:43:59,152 INFO L340 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-01-18 23:43:59,154 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 234 places, 269 transitions, 616 flow [2022-01-18 23:43:59,397 INFO L129 PetriNetUnfolder]: 264/1514 cut-off events. [2022-01-18 23:43:59,397 INFO L130 PetriNetUnfolder]: For 242/242 co-relation queries the response was YES. [2022-01-18 23:43:59,412 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1746 conditions, 1514 events. 264/1514 cut-off events. For 242/242 co-relation queries the response was YES. Maximal size of possible extension queue 29. Compared 8396 event pairs, 72 based on Foata normal form. 0/1307 useless extension candidates. Maximal degree in co-relation 993. Up to 192 conditions per place. [2022-01-18 23:43:59,412 INFO L82 GeneralOperation]: Start removeDead. Operand has 234 places, 269 transitions, 616 flow [2022-01-18 23:43:59,421 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 234 places, 269 transitions, 616 flow [2022-01-18 23:43:59,424 INFO L129 PetriNetUnfolder]: 5/88 cut-off events. [2022-01-18 23:43:59,424 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-01-18 23:43:59,424 INFO L246 CegarLoopForPetriNet]: Found error trace [2022-01-18 23:43:59,424 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 23:43:59,424 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2022-01-18 23:43:59,424 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 23:43:59,424 INFO L85 PathProgramCache]: Analyzing trace with hash -322967103, now seen corresponding path program 1 times [2022-01-18 23:43:59,425 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 23:43:59,425 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [708182920] [2022-01-18 23:43:59,425 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 23:43:59,425 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 23:43:59,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 23:43:59,436 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 23:43:59,436 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 23:43:59,436 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [708182920] [2022-01-18 23:43:59,436 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [708182920] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 23:43:59,436 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 23:43:59,436 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-01-18 23:43:59,436 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1414377569] [2022-01-18 23:43:59,436 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 23:43:59,437 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-01-18 23:43:59,437 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 23:43:59,437 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-01-18 23:43:59,437 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-01-18 23:43:59,437 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 215 out of 269 [2022-01-18 23:43:59,438 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 234 places, 269 transitions, 616 flow. Second operand has 2 states, 2 states have (on average 215.5) internal successors, (431), 2 states have internal predecessors, (431), 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) [2022-01-18 23:43:59,438 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-01-18 23:43:59,438 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 215 of 269 [2022-01-18 23:43:59,438 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-01-18 23:43:59,589 INFO L129 PetriNetUnfolder]: 136/1379 cut-off events. [2022-01-18 23:43:59,589 INFO L130 PetriNetUnfolder]: For 655/685 co-relation queries the response was YES. [2022-01-18 23:43:59,601 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1810 conditions, 1379 events. 136/1379 cut-off events. For 655/685 co-relation queries the response was YES. Maximal size of possible extension queue 28. Compared 7999 event pairs, 72 based on Foata normal form. 1314/2614 useless extension candidates. Maximal degree in co-relation 986. Up to 199 conditions per place. [2022-01-18 23:43:59,602 INFO L132 encePairwiseOnDemand]: 228/269 looper letters, 6 selfloop transitions, 0 changer transitions 25/227 dead transitions. [2022-01-18 23:43:59,602 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 234 places, 227 transitions, 556 flow [2022-01-18 23:43:59,603 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-01-18 23:43:59,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2022-01-18 23:43:59,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 483 transitions. [2022-01-18 23:43:59,604 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8977695167286245 [2022-01-18 23:43:59,604 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 483 transitions. [2022-01-18 23:43:59,604 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 483 transitions. [2022-01-18 23:43:59,604 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-01-18 23:43:59,604 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 483 transitions. [2022-01-18 23:43:59,605 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 241.5) internal successors, (483), 2 states have internal predecessors, (483), 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) [2022-01-18 23:43:59,605 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 269.0) internal successors, (807), 3 states have internal predecessors, (807), 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) [2022-01-18 23:43:59,605 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 269.0) internal successors, (807), 3 states have internal predecessors, (807), 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) [2022-01-18 23:43:59,606 INFO L186 Difference]: Start difference. First operand has 234 places, 269 transitions, 616 flow. Second operand 2 states and 483 transitions. [2022-01-18 23:43:59,606 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 234 places, 227 transitions, 556 flow [2022-01-18 23:43:59,607 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 234 places, 227 transitions, 556 flow, removed 0 selfloop flow, removed 0 redundant places. [2022-01-18 23:43:59,609 INFO L242 Difference]: Finished difference. Result has 234 places, 202 transitions, 464 flow [2022-01-18 23:43:59,609 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=269, PETRI_DIFFERENCE_MINUEND_FLOW=532, PETRI_DIFFERENCE_MINUEND_PLACES=233, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=227, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=227, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=464, PETRI_PLACES=234, PETRI_TRANSITIONS=202} [2022-01-18 23:43:59,609 INFO L334 CegarLoopForPetriNet]: 234 programPoint places, 0 predicate places. [2022-01-18 23:43:59,609 INFO L470 AbstractCegarLoop]: Abstraction has has 234 places, 202 transitions, 464 flow [2022-01-18 23:43:59,609 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 215.5) internal successors, (431), 2 states have internal predecessors, (431), 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) [2022-01-18 23:43:59,609 INFO L246 CegarLoopForPetriNet]: Found error trace [2022-01-18 23:43:59,610 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 23:43:59,610 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-01-18 23:43:59,610 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2022-01-18 23:43:59,610 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 23:43:59,610 INFO L85 PathProgramCache]: Analyzing trace with hash -2119918462, now seen corresponding path program 1 times [2022-01-18 23:43:59,610 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 23:43:59,610 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [779779137] [2022-01-18 23:43:59,610 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 23:43:59,610 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 23:43:59,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 23:43:59,624 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 23:43:59,624 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 23:43:59,624 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [779779137] [2022-01-18 23:43:59,624 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [779779137] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 23:43:59,624 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 23:43:59,624 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-18 23:43:59,624 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1979916849] [2022-01-18 23:43:59,624 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 23:43:59,624 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-18 23:43:59,624 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 23:43:59,625 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-18 23:43:59,625 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-18 23:43:59,625 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 208 out of 269 [2022-01-18 23:43:59,626 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 234 places, 202 transitions, 464 flow. Second operand has 3 states, 3 states have (on average 209.0) internal successors, (627), 3 states have internal predecessors, (627), 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) [2022-01-18 23:43:59,626 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-01-18 23:43:59,626 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 208 of 269 [2022-01-18 23:43:59,626 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-01-18 23:43:59,662 INFO L129 PetriNetUnfolder]: 1/306 cut-off events. [2022-01-18 23:43:59,663 INFO L130 PetriNetUnfolder]: For 50/50 co-relation queries the response was YES. [2022-01-18 23:43:59,663 INFO L84 FinitePrefix]: Finished finitePrefix Result has 388 conditions, 306 events. 1/306 cut-off events. For 50/50 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 762 event pairs, 0 based on Foata normal form. 0/299 useless extension candidates. Maximal degree in co-relation 379. Up to 36 conditions per place. [2022-01-18 23:43:59,663 INFO L132 encePairwiseOnDemand]: 266/269 looper letters, 15 selfloop transitions, 2 changer transitions 0/206 dead transitions. [2022-01-18 23:43:59,663 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 217 places, 206 transitions, 506 flow [2022-01-18 23:43:59,664 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-18 23:43:59,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-01-18 23:43:59,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 642 transitions. [2022-01-18 23:43:59,665 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.7955390334572491 [2022-01-18 23:43:59,665 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 642 transitions. [2022-01-18 23:43:59,665 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 642 transitions. [2022-01-18 23:43:59,665 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-01-18 23:43:59,666 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 642 transitions. [2022-01-18 23:43:59,666 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 214.0) internal successors, (642), 3 states have internal predecessors, (642), 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) [2022-01-18 23:43:59,667 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 269.0) internal successors, (1076), 4 states have internal predecessors, (1076), 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) [2022-01-18 23:43:59,667 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 269.0) internal successors, (1076), 4 states have internal predecessors, (1076), 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) [2022-01-18 23:43:59,667 INFO L186 Difference]: Start difference. First operand has 234 places, 202 transitions, 464 flow. Second operand 3 states and 642 transitions. [2022-01-18 23:43:59,667 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 217 places, 206 transitions, 506 flow [2022-01-18 23:43:59,669 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 217 places, 206 transitions, 476 flow, removed 15 selfloop flow, removed 0 redundant places. [2022-01-18 23:43:59,670 INFO L242 Difference]: Finished difference. Result has 218 places, 203 transitions, 446 flow [2022-01-18 23:43:59,670 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=269, PETRI_DIFFERENCE_MINUEND_FLOW=434, PETRI_DIFFERENCE_MINUEND_PLACES=215, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=202, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=200, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=446, PETRI_PLACES=218, PETRI_TRANSITIONS=203} [2022-01-18 23:43:59,671 INFO L334 CegarLoopForPetriNet]: 234 programPoint places, -16 predicate places. [2022-01-18 23:43:59,671 INFO L470 AbstractCegarLoop]: Abstraction has has 218 places, 203 transitions, 446 flow [2022-01-18 23:43:59,671 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 209.0) internal successors, (627), 3 states have internal predecessors, (627), 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) [2022-01-18 23:43:59,671 INFO L246 CegarLoopForPetriNet]: Found error trace [2022-01-18 23:43:59,671 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 23:43:59,671 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2022-01-18 23:43:59,671 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2022-01-18 23:43:59,671 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 23:43:59,672 INFO L85 PathProgramCache]: Analyzing trace with hash 808725012, now seen corresponding path program 1 times [2022-01-18 23:43:59,672 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 23:43:59,672 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [758818215] [2022-01-18 23:43:59,672 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 23:43:59,672 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 23:43:59,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 23:43:59,710 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 23:43:59,710 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 23:43:59,710 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [758818215] [2022-01-18 23:43:59,710 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [758818215] provided 0 perfect and 1 imperfect interpolant sequences [2022-01-18 23:43:59,710 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1683345108] [2022-01-18 23:43:59,710 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 23:43:59,711 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-18 23:43:59,711 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-18 23:43:59,728 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-01-18 23:43:59,759 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-01-18 23:43:59,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 23:43:59,839 INFO L263 TraceCheckSpWp]: Trace formula consists of 157 conjuncts, 4 conjunts are in the unsatisfiable core [2022-01-18 23:43:59,840 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-18 23:43:59,917 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 23:43:59,917 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-01-18 23:43:59,998 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 23:43:59,999 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1683345108] provided 0 perfect and 2 imperfect interpolant sequences [2022-01-18 23:43:59,999 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-01-18 23:43:59,999 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2022-01-18 23:43:59,999 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1703326368] [2022-01-18 23:43:59,999 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-01-18 23:43:59,999 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-01-18 23:43:59,999 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 23:44:00,000 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-01-18 23:44:00,000 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2022-01-18 23:44:00,001 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 207 out of 269 [2022-01-18 23:44:00,002 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 218 places, 203 transitions, 446 flow. Second operand has 10 states, 10 states have (on average 209.3) internal successors, (2093), 10 states have internal predecessors, (2093), 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) [2022-01-18 23:44:00,002 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-01-18 23:44:00,002 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 207 of 269 [2022-01-18 23:44:00,002 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-01-18 23:44:00,086 INFO L129 PetriNetUnfolder]: 1/284 cut-off events. [2022-01-18 23:44:00,086 INFO L130 PetriNetUnfolder]: For 8/8 co-relation queries the response was YES. [2022-01-18 23:44:00,086 INFO L84 FinitePrefix]: Finished finitePrefix Result has 369 conditions, 284 events. 1/284 cut-off events. For 8/8 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 632 event pairs, 0 based on Foata normal form. 2/285 useless extension candidates. Maximal degree in co-relation 358. Up to 19 conditions per place. [2022-01-18 23:44:00,087 INFO L132 encePairwiseOnDemand]: 263/269 looper letters, 16 selfloop transitions, 9 changer transitions 0/213 dead transitions. [2022-01-18 23:44:00,087 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 226 places, 213 transitions, 518 flow [2022-01-18 23:44:00,087 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-01-18 23:44:00,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2022-01-18 23:44:00,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 1890 transitions. [2022-01-18 23:44:00,090 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.7806691449814126 [2022-01-18 23:44:00,090 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 1890 transitions. [2022-01-18 23:44:00,090 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 1890 transitions. [2022-01-18 23:44:00,091 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-01-18 23:44:00,091 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 1890 transitions. [2022-01-18 23:44:00,093 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 210.0) internal successors, (1890), 9 states have internal predecessors, (1890), 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) [2022-01-18 23:44:00,095 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 269.0) internal successors, (2690), 10 states have internal predecessors, (2690), 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) [2022-01-18 23:44:00,096 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 269.0) internal successors, (2690), 10 states have internal predecessors, (2690), 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) [2022-01-18 23:44:00,096 INFO L186 Difference]: Start difference. First operand has 218 places, 203 transitions, 446 flow. Second operand 9 states and 1890 transitions. [2022-01-18 23:44:00,096 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 226 places, 213 transitions, 518 flow [2022-01-18 23:44:00,097 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 225 places, 213 transitions, 516 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-01-18 23:44:00,099 INFO L242 Difference]: Finished difference. Result has 228 places, 209 transitions, 494 flow [2022-01-18 23:44:00,099 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=269, PETRI_DIFFERENCE_MINUEND_FLOW=444, PETRI_DIFFERENCE_MINUEND_PLACES=217, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=203, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=197, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=494, PETRI_PLACES=228, PETRI_TRANSITIONS=209} [2022-01-18 23:44:00,099 INFO L334 CegarLoopForPetriNet]: 234 programPoint places, -6 predicate places. [2022-01-18 23:44:00,099 INFO L470 AbstractCegarLoop]: Abstraction has has 228 places, 209 transitions, 494 flow [2022-01-18 23:44:00,100 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 209.3) internal successors, (2093), 10 states have internal predecessors, (2093), 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) [2022-01-18 23:44:00,100 INFO L246 CegarLoopForPetriNet]: Found error trace [2022-01-18 23:44:00,100 INFO L254 CegarLoopForPetriNet]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 23:44:00,117 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2022-01-18 23:44:00,317 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-18 23:44:00,317 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2022-01-18 23:44:00,317 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 23:44:00,317 INFO L85 PathProgramCache]: Analyzing trace with hash 856508027, now seen corresponding path program 1 times [2022-01-18 23:44:00,317 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 23:44:00,317 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2035342022] [2022-01-18 23:44:00,318 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 23:44:00,318 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 23:44:00,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 23:44:00,356 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2022-01-18 23:44:00,356 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 23:44:00,357 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2035342022] [2022-01-18 23:44:00,357 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2035342022] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 23:44:00,357 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 23:44:00,357 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-01-18 23:44:00,357 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [557832201] [2022-01-18 23:44:00,357 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 23:44:00,357 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-01-18 23:44:00,357 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 23:44:00,357 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-01-18 23:44:00,357 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-01-18 23:44:00,358 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 185 out of 269 [2022-01-18 23:44:00,359 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 228 places, 209 transitions, 494 flow. Second operand has 5 states, 5 states have (on average 186.6) internal successors, (933), 5 states have internal predecessors, (933), 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) [2022-01-18 23:44:00,359 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-01-18 23:44:00,359 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 185 of 269 [2022-01-18 23:44:00,359 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand