/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-After.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/weaver/unroll-cond-4.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-bf34d27 [2022-01-19 15:23:55,107 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-01-19 15:23:55,109 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-01-19 15:23:55,152 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-01-19 15:23:55,152 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-01-19 15:23:55,154 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-01-19 15:23:55,157 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-01-19 15:23:55,160 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-01-19 15:23:55,161 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-01-19 15:23:55,164 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-01-19 15:23:55,165 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-01-19 15:23:55,166 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-01-19 15:23:55,166 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-01-19 15:23:55,167 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-01-19 15:23:55,168 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-01-19 15:23:55,170 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-01-19 15:23:55,171 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-01-19 15:23:55,171 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-01-19 15:23:55,173 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-01-19 15:23:55,177 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-01-19 15:23:55,177 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-01-19 15:23:55,178 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-01-19 15:23:55,179 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-01-19 15:23:55,180 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-01-19 15:23:55,192 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-01-19 15:23:55,194 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-01-19 15:23:55,194 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-01-19 15:23:55,195 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-01-19 15:23:55,195 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-01-19 15:23:55,195 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-01-19 15:23:55,196 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-01-19 15:23:55,196 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-01-19 15:23:55,196 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-01-19 15:23:55,196 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-01-19 15:23:55,197 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-01-19 15:23:55,197 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-01-19 15:23:55,198 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-After.epf [2022-01-19 15:23:55,221 INFO L113 SettingsManager]: Loading preferences was successful [2022-01-19 15:23:55,222 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-01-19 15:23:55,223 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-01-19 15:23:55,223 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-01-19 15:23:55,223 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-01-19 15:23:55,223 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-01-19 15:23:55,223 INFO L138 SettingsManager]: * Use SBE=true [2022-01-19 15:23:55,223 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-01-19 15:23:55,223 INFO L138 SettingsManager]: * sizeof long=4 [2022-01-19 15:23:55,224 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-01-19 15:23:55,224 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-01-19 15:23:55,224 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-01-19 15:23:55,224 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-01-19 15:23:55,224 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-01-19 15:23:55,225 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-01-19 15:23:55,225 INFO L138 SettingsManager]: * sizeof long double=12 [2022-01-19 15:23:55,225 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-01-19 15:23:55,225 INFO L138 SettingsManager]: * Use constant arrays=true [2022-01-19 15:23:55,225 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-01-19 15:23:55,225 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-01-19 15:23:55,225 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-01-19 15:23:55,225 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-01-19 15:23:55,225 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-01-19 15:23:55,225 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-19 15:23:55,226 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-01-19 15:23:55,226 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-01-19 15:23:55,226 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-01-19 15:23:55,226 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-01-19 15:23:55,226 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-01-19 15:23:55,226 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-01-19 15:23:55,227 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-01-19 15:23:55,227 INFO L138 SettingsManager]: * When to check the insufficient erros location relative to the other error locations=AFTER [2022-01-19 15:23:55,227 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-01-19 15:23:55,413 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-01-19 15:23:55,439 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-01-19 15:23:55,441 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-01-19 15:23:55,442 INFO L271 PluginConnector]: Initializing CDTParser... [2022-01-19 15:23:55,453 INFO L275 PluginConnector]: CDTParser initialized [2022-01-19 15:23:55,454 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/unroll-cond-4.wvr.c [2022-01-19 15:23:55,498 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/14f47e07b/1b6ce0c1ec1e43399ff9b3dd2ba30f79/FLAGe03883af1 [2022-01-19 15:23:55,807 INFO L306 CDTParser]: Found 1 translation units. [2022-01-19 15:23:55,807 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/unroll-cond-4.wvr.c [2022-01-19 15:23:55,811 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/14f47e07b/1b6ce0c1ec1e43399ff9b3dd2ba30f79/FLAGe03883af1 [2022-01-19 15:23:56,255 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/14f47e07b/1b6ce0c1ec1e43399ff9b3dd2ba30f79 [2022-01-19 15:23:56,257 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-01-19 15:23:56,259 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-01-19 15:23:56,261 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-01-19 15:23:56,261 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-01-19 15:23:56,263 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-01-19 15:23:56,264 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.01 03:23:56" (1/1) ... [2022-01-19 15:23:56,265 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@8c28bfc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.01 03:23:56, skipping insertion in model container [2022-01-19 15:23:56,266 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.01 03:23:56" (1/1) ... [2022-01-19 15:23:56,270 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-01-19 15:23:56,287 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-01-19 15:23:56,472 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/unroll-cond-4.wvr.c[2808,2821] [2022-01-19 15:23:56,482 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-19 15:23:56,489 INFO L203 MainTranslator]: Completed pre-run [2022-01-19 15:23:56,519 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/unroll-cond-4.wvr.c[2808,2821] [2022-01-19 15:23:56,525 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-19 15:23:56,534 INFO L208 MainTranslator]: Completed translation [2022-01-19 15:23:56,535 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.01 03:23:56 WrapperNode [2022-01-19 15:23:56,535 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-01-19 15:23:56,536 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-01-19 15:23:56,536 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-01-19 15:23:56,536 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-01-19 15:23:56,542 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.01 03:23:56" (1/1) ... [2022-01-19 15:23:56,557 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.01 03:23:56" (1/1) ... [2022-01-19 15:23:56,585 INFO L137 Inliner]: procedures = 24, calls = 41, calls flagged for inlining = 15, calls inlined = 15, statements flattened = 183 [2022-01-19 15:23:56,585 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-01-19 15:23:56,586 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-01-19 15:23:56,586 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-01-19 15:23:56,586 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-01-19 15:23:56,592 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.01 03:23:56" (1/1) ... [2022-01-19 15:23:56,592 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.01 03:23:56" (1/1) ... [2022-01-19 15:23:56,601 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.01 03:23:56" (1/1) ... [2022-01-19 15:23:56,601 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.01 03:23:56" (1/1) ... [2022-01-19 15:23:56,613 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.01 03:23:56" (1/1) ... [2022-01-19 15:23:56,616 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.01 03:23:56" (1/1) ... [2022-01-19 15:23:56,617 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.01 03:23:56" (1/1) ... [2022-01-19 15:23:56,618 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-01-19 15:23:56,619 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-01-19 15:23:56,619 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-01-19 15:23:56,619 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-01-19 15:23:56,625 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.01 03:23:56" (1/1) ... [2022-01-19 15:23:56,630 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-19 15:23:56,642 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-19 15:23:56,652 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) [2022-01-19 15:23:56,670 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 [2022-01-19 15:23:56,690 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-01-19 15:23:56,690 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-01-19 15:23:56,690 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-01-19 15:23:56,690 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-01-19 15:23:56,690 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-01-19 15:23:56,691 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-01-19 15:23:56,691 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-01-19 15:23:56,691 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-01-19 15:23:56,691 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-01-19 15:23:56,692 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-01-19 15:23:56,692 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-01-19 15:23:56,693 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-01-19 15:23:56,693 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-01-19 15:23:56,694 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-01-19 15:23:56,786 INFO L234 CfgBuilder]: Building ICFG [2022-01-19 15:23:56,787 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-01-19 15:23:57,042 INFO L275 CfgBuilder]: Performing block encoding [2022-01-19 15:23:57,051 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-01-19 15:23:57,051 INFO L299 CfgBuilder]: Removed 3 assume(true) statements. [2022-01-19 15:23:57,052 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.01 03:23:57 BoogieIcfgContainer [2022-01-19 15:23:57,053 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-01-19 15:23:57,060 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-01-19 15:23:57,060 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-01-19 15:23:57,065 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-01-19 15:23:57,065 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.01 03:23:56" (1/3) ... [2022-01-19 15:23:57,066 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4198dff8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.01 03:23:57, skipping insertion in model container [2022-01-19 15:23:57,066 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.01 03:23:56" (2/3) ... [2022-01-19 15:23:57,066 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4198dff8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.01 03:23:57, skipping insertion in model container [2022-01-19 15:23:57,066 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.01 03:23:57" (3/3) ... [2022-01-19 15:23:57,068 INFO L111 eAbstractionObserver]: Analyzing ICFG unroll-cond-4.wvr.c [2022-01-19 15:23:57,071 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-01-19 15:23:57,071 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-01-19 15:23:57,071 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-01-19 15:23:57,105 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 15:23:57,106 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 15:23:57,106 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 15:23:57,106 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 15:23:57,107 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 15:23:57,107 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 15:23:57,107 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 15:23:57,107 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 15:23:57,108 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 15:23:57,108 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 15:23:57,108 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 15:23:57,108 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 15:23:57,108 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 15:23:57,108 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 15:23:57,108 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 15:23:57,109 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 15:23:57,109 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 15:23:57,109 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 15:23:57,109 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 15:23:57,109 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 15:23:57,109 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 15:23:57,109 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 15:23:57,110 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 15:23:57,110 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 15:23:57,110 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 15:23:57,110 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 15:23:57,110 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 15:23:57,111 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 15:23:57,111 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 15:23:57,111 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 15:23:57,111 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 15:23:57,111 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 15:23:57,111 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 15:23:57,111 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 15:23:57,112 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 15:23:57,112 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 15:23:57,112 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 15:23:57,112 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 15:23:57,113 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 15:23:57,113 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 15:23:57,114 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 15:23:57,114 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 15:23:57,114 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 15:23:57,115 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 15:23:57,115 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 15:23:57,115 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 15:23:57,116 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 15:23:57,116 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 15:23:57,116 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 15:23:57,117 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 15:23:57,117 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 15:23:57,118 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 15:23:57,118 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 15:23:57,118 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 15:23:57,118 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 15:23:57,119 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 15:23:57,124 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 15:23:57,124 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 15:23:57,125 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 15:23:57,125 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 15:23:57,125 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 15:23:57,125 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 15:23:57,125 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 15:23:57,126 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 15:23:57,126 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 15:23:57,126 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 15:23:57,126 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 15:23:57,126 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 15:23:57,126 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 15:23:57,126 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 15:23:57,127 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 15:23:57,127 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 15:23:57,127 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 15:23:57,127 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 15:23:57,128 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 15:23:57,128 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 15:23:57,128 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 15:23:57,128 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 15:23:57,128 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 15:23:57,128 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 15:23:57,128 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 15:23:57,129 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 15:23:57,129 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 15:23:57,129 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 15:23:57,129 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 15:23:57,129 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 15:23:57,129 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 15:23:57,129 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 15:23:57,130 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 15:23:57,130 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 15:23:57,130 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 15:23:57,130 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 15:23:57,130 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 15:23:57,130 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 15:23:57,130 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 15:23:57,130 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 15:23:57,131 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 15:23:57,131 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 15:23:57,131 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 15:23:57,131 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 15:23:57,131 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 15:23:57,131 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 15:23:57,131 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 15:23:57,131 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 15:23:57,132 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 15:23:57,132 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 15:23:57,132 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 15:23:57,132 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 15:23:57,132 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 15:23:57,132 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 15:23:57,133 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 15:23:57,133 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 15:23:57,133 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 15:23:57,133 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 15:23:57,133 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 15:23:57,133 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 15:23:57,133 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem13#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 15:23:57,133 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem13#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 15:23:57,134 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 15:23:57,134 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 15:23:57,134 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 15:23:57,134 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 15:23:57,134 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem13#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 15:23:57,134 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem13#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 15:23:57,134 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem15#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 15:23:57,135 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem15#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 15:23:57,135 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 15:23:57,135 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 15:23:57,135 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 15:23:57,135 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 15:23:57,135 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 15:23:57,135 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 15:23:57,149 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 15:23:57,149 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 15:23:57,149 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem13#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 15:23:57,149 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem13#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 15:23:57,150 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem15#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 15:23:57,150 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem15#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 15:23:57,150 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 15:23:57,150 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 15:23:57,150 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 15:23:57,150 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 15:23:57,150 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 15:23:57,151 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 15:23:57,151 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 15:23:57,151 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 15:23:57,151 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 15:23:57,151 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 15:23:57,151 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 15:23:57,151 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 15:23:57,151 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem15#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 15:23:57,152 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem15#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 15:23:57,152 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 15:23:57,152 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 15:23:57,152 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 15:23:57,152 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 15:23:57,152 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 15:23:57,152 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 15:23:57,152 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 15:23:57,152 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 15:23:57,152 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 15:23:57,153 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post16#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 15:23:57,153 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 15:23:57,153 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post16#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 15:23:57,153 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 15:23:57,153 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 15:23:57,153 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post16#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 15:23:57,153 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 15:23:57,153 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post16#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 15:23:57,153 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 15:23:57,154 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 15:23:57,154 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 15:23:57,154 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post16#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 15:23:57,154 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post16#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 15:23:57,154 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 15:23:57,154 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 15:23:57,154 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 15:23:57,155 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 15:23:57,155 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 15:23:57,155 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 15:23:57,155 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 15:23:57,155 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 15:23:57,155 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 15:23:57,155 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 15:23:57,155 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 15:23:57,156 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 15:23:57,156 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 15:23:57,156 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 15:23:57,156 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 15:23:57,156 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 15:23:57,156 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 15:23:57,156 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 15:23:57,156 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 15:23:57,157 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 15:23:57,157 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 15:23:57,157 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 15:23:57,157 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 15:23:57,157 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 15:23:57,157 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 15:23:57,157 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 15:23:57,157 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 15:23:57,158 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 15:23:57,158 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 15:23:57,158 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 15:23:57,158 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 15:23:57,158 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 15:23:57,158 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 15:23:57,158 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 15:23:57,158 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 15:23:57,158 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 15:23:57,159 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 15:23:57,159 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 15:23:57,159 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 15:23:57,159 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 15:23:57,159 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 15:23:57,159 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 15:23:57,159 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 15:23:57,160 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 15:23:57,160 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 15:23:57,160 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 15:23:57,160 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 15:23:57,160 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 15:23:57,160 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 15:23:57,160 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 15:23:57,160 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 15:23:57,160 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 15:23:57,161 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 15:23:57,161 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 15:23:57,161 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 15:23:57,161 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 15:23:57,161 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 15:23:57,161 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 15:23:57,161 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 15:23:57,161 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 15:23:57,162 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 15:23:57,162 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 15:23:57,162 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 15:23:57,162 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 15:23:57,162 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 15:23:57,162 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 15:23:57,162 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 15:23:57,162 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 15:23:57,163 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 15:23:57,163 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 15:23:57,163 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 15:23:57,163 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 15:23:57,163 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 15:23:57,163 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 15:23:57,163 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 15:23:57,163 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 15:23:57,163 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 15:23:57,164 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 15:23:57,164 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 15:23:57,164 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 15:23:57,164 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 15:23:57,164 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 15:23:57,166 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 15:23:57,166 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 15:23:57,166 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 15:23:57,167 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 15:23:57,167 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 15:23:57,167 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 15:23:57,167 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 15:23:57,168 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem13#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 15:23:57,169 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 15:23:57,169 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 15:23:57,169 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 15:23:57,169 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 15:23:57,169 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 15:23:57,169 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 15:23:57,169 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 15:23:57,169 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 15:23:57,169 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post16#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 15:23:57,170 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 15:23:57,170 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 15:23:57,170 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 15:23:57,170 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 15:23:57,170 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 15:23:57,170 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 15:23:57,170 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 15:23:57,170 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem15#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 15:23:57,170 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 15:23:57,173 INFO L148 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2022-01-19 15:23:57,211 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-01-19 15:23:57,215 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 [2022-01-19 15:23:57,215 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2022-01-19 15:23:57,225 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 225 places, 239 transitions, 494 flow [2022-01-19 15:23:57,305 INFO L129 PetriNetUnfolder]: 21/237 cut-off events. [2022-01-19 15:23:57,306 INFO L130 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2022-01-19 15:23:57,310 INFO L84 FinitePrefix]: Finished finitePrefix Result has 246 conditions, 237 events. 21/237 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 400 event pairs, 0 based on Foata normal form. 0/215 useless extension candidates. Maximal degree in co-relation 141. Up to 2 conditions per place. [2022-01-19 15:23:57,311 INFO L82 GeneralOperation]: Start removeDead. Operand has 225 places, 239 transitions, 494 flow [2022-01-19 15:23:57,321 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 214 places, 228 transitions, 468 flow [2022-01-19 15:23:57,347 INFO L129 PetriNetUnfolder]: 18/198 cut-off events. [2022-01-19 15:23:57,347 INFO L130 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2022-01-19 15:23:57,347 INFO L246 CegarLoopForPetriNet]: Found error trace [2022-01-19 15:23:57,348 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-19 15:23:57,348 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-19 15:23:57,351 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-19 15:23:57,352 INFO L85 PathProgramCache]: Analyzing trace with hash -526128198, now seen corresponding path program 1 times [2022-01-19 15:23:57,359 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-19 15:23:57,360 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [476301778] [2022-01-19 15:23:57,360 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-19 15:23:57,360 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-19 15:23:57,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-19 15:23:57,546 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-19 15:23:57,547 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-19 15:23:57,547 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [476301778] [2022-01-19 15:23:57,547 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [476301778] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-19 15:23:57,548 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-19 15:23:57,548 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-01-19 15:23:57,549 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [259676229] [2022-01-19 15:23:57,549 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-19 15:23:57,555 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-01-19 15:23:57,556 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-19 15:23:57,577 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-01-19 15:23:57,579 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-01-19 15:23:57,583 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 219 out of 239 [2022-01-19 15:23:57,589 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 214 places, 228 transitions, 468 flow. Second operand has 2 states, 2 states have (on average 222.0) internal successors, (444), 2 states have internal predecessors, (444), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 15:23:57,589 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-01-19 15:23:57,589 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 219 of 239 [2022-01-19 15:23:57,590 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-01-19 15:23:57,647 INFO L129 PetriNetUnfolder]: 6/213 cut-off events. [2022-01-19 15:23:57,647 INFO L130 PetriNetUnfolder]: For 8/8 co-relation queries the response was YES. [2022-01-19 15:23:57,650 INFO L84 FinitePrefix]: Finished finitePrefix Result has 227 conditions, 213 events. 6/213 cut-off events. For 8/8 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 370 event pairs, 0 based on Foata normal form. 18/213 useless extension candidates. Maximal degree in co-relation 132. Up to 5 conditions per place. [2022-01-19 15:23:57,652 INFO L132 encePairwiseOnDemand]: 224/239 looper letters, 4 selfloop transitions, 0 changer transitions 4/213 dead transitions. [2022-01-19 15:23:57,652 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 215 places, 213 transitions, 446 flow [2022-01-19 15:23:57,654 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-01-19 15:23:57,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2022-01-19 15:23:57,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 457 transitions. [2022-01-19 15:23:57,663 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9560669456066946 [2022-01-19 15:23:57,664 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 457 transitions. [2022-01-19 15:23:57,664 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 457 transitions. [2022-01-19 15:23:57,665 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-01-19 15:23:57,667 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 457 transitions. [2022-01-19 15:23:57,670 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 228.5) internal successors, (457), 2 states have internal predecessors, (457), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 15:23:57,673 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) [2022-01-19 15:23:57,674 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) [2022-01-19 15:23:57,675 INFO L186 Difference]: Start difference. First operand has 214 places, 228 transitions, 468 flow. Second operand 2 states and 457 transitions. [2022-01-19 15:23:57,676 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 215 places, 213 transitions, 446 flow [2022-01-19 15:23:57,679 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 211 places, 213 transitions, 438 flow, removed 0 selfloop flow, removed 4 redundant places. [2022-01-19 15:23:57,682 INFO L242 Difference]: Finished difference. Result has 211 places, 209 transitions, 422 flow [2022-01-19 15:23:57,684 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=239, PETRI_DIFFERENCE_MINUEND_FLOW=430, PETRI_DIFFERENCE_MINUEND_PLACES=210, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=213, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=213, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=422, PETRI_PLACES=211, PETRI_TRANSITIONS=209} [2022-01-19 15:23:57,686 INFO L334 CegarLoopForPetriNet]: 214 programPoint places, -3 predicate places. [2022-01-19 15:23:57,686 INFO L470 AbstractCegarLoop]: Abstraction has has 211 places, 209 transitions, 422 flow [2022-01-19 15:23:57,687 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 222.0) internal successors, (444), 2 states have internal predecessors, (444), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 15:23:57,687 INFO L246 CegarLoopForPetriNet]: Found error trace [2022-01-19 15:23:57,687 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-19 15:23:57,687 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-01-19 15:23:57,687 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-19 15:23:57,688 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-19 15:23:57,688 INFO L85 PathProgramCache]: Analyzing trace with hash -470246772, now seen corresponding path program 1 times [2022-01-19 15:23:57,688 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-19 15:23:57,688 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [666887962] [2022-01-19 15:23:57,688 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-19 15:23:57,688 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-19 15:23:57,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-19 15:23:57,877 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-19 15:23:57,878 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-19 15:23:57,878 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [666887962] [2022-01-19 15:23:57,878 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [666887962] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-19 15:23:57,879 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-19 15:23:57,879 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-01-19 15:23:57,879 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1138586951] [2022-01-19 15:23:57,879 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-19 15:23:57,880 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-01-19 15:23:57,880 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-19 15:23:57,881 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-01-19 15:23:57,881 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-01-19 15:23:57,883 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 192 out of 239 [2022-01-19 15:23:57,884 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 211 places, 209 transitions, 422 flow. Second operand has 4 states, 4 states have (on average 195.0) internal successors, (780), 4 states have internal predecessors, (780), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 15:23:57,884 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-01-19 15:23:57,884 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 192 of 239 [2022-01-19 15:23:57,884 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-01-19 15:23:58,035 INFO L129 PetriNetUnfolder]: 175/845 cut-off events. [2022-01-19 15:23:58,035 INFO L130 PetriNetUnfolder]: For 31/31 co-relation queries the response was YES. [2022-01-19 15:23:58,036 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1147 conditions, 845 events. 175/845 cut-off events. For 31/31 co-relation queries the response was YES. Maximal size of possible extension queue 24. Compared 4126 event pairs, 62 based on Foata normal form. 0/711 useless extension candidates. Maximal degree in co-relation 1144. Up to 215 conditions per place. [2022-01-19 15:23:58,039 INFO L132 encePairwiseOnDemand]: 233/239 looper letters, 43 selfloop transitions, 5 changer transitions 0/226 dead transitions. [2022-01-19 15:23:58,039 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 210 places, 226 transitions, 554 flow [2022-01-19 15:23:58,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-01-19 15:23:58,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2022-01-19 15:23:58,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 817 transitions. [2022-01-19 15:23:58,043 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.854602510460251 [2022-01-19 15:23:58,043 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 817 transitions. [2022-01-19 15:23:58,044 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 817 transitions. [2022-01-19 15:23:58,044 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-01-19 15:23:58,044 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 817 transitions. [2022-01-19 15:23:58,046 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 204.25) internal successors, (817), 4 states have internal predecessors, (817), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 15:23:58,049 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 239.0) internal successors, (1195), 5 states have internal predecessors, (1195), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 15:23:58,049 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 239.0) internal successors, (1195), 5 states have internal predecessors, (1195), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 15:23:58,049 INFO L186 Difference]: Start difference. First operand has 211 places, 209 transitions, 422 flow. Second operand 4 states and 817 transitions. [2022-01-19 15:23:58,049 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 210 places, 226 transitions, 554 flow [2022-01-19 15:23:58,052 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 210 places, 226 transitions, 554 flow, removed 0 selfloop flow, removed 0 redundant places. [2022-01-19 15:23:58,060 INFO L242 Difference]: Finished difference. Result has 212 places, 213 transitions, 456 flow [2022-01-19 15:23:58,060 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=239, PETRI_DIFFERENCE_MINUEND_FLOW=422, PETRI_DIFFERENCE_MINUEND_PLACES=207, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=209, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=204, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=456, PETRI_PLACES=212, PETRI_TRANSITIONS=213} [2022-01-19 15:23:58,061 INFO L334 CegarLoopForPetriNet]: 214 programPoint places, -2 predicate places. [2022-01-19 15:23:58,061 INFO L470 AbstractCegarLoop]: Abstraction has has 212 places, 213 transitions, 456 flow [2022-01-19 15:23:58,061 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 195.0) internal successors, (780), 4 states have internal predecessors, (780), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 15:23:58,061 INFO L246 CegarLoopForPetriNet]: Found error trace [2022-01-19 15:23:58,061 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-19 15:23:58,062 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-01-19 15:23:58,062 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-19 15:23:58,062 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-19 15:23:58,062 INFO L85 PathProgramCache]: Analyzing trace with hash -1418209290, now seen corresponding path program 1 times [2022-01-19 15:23:58,062 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-19 15:23:58,062 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [184372507] [2022-01-19 15:23:58,063 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-19 15:23:58,063 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-19 15:23:58,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-19 15:23:58,289 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-19 15:23:58,290 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-19 15:23:58,290 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [184372507] [2022-01-19 15:23:58,292 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [184372507] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-19 15:23:58,292 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-19 15:23:58,292 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-01-19 15:23:58,292 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [318299059] [2022-01-19 15:23:58,292 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-19 15:23:58,292 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-01-19 15:23:58,293 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-19 15:23:58,293 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-01-19 15:23:58,293 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-01-19 15:23:58,294 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 189 out of 239 [2022-01-19 15:23:58,295 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 212 places, 213 transitions, 456 flow. Second operand has 5 states, 5 states have (on average 192.0) internal successors, (960), 5 states have internal predecessors, (960), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 15:23:58,296 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-01-19 15:23:58,296 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 189 of 239 [2022-01-19 15:23:58,296 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-01-19 15:23:58,636 INFO L129 PetriNetUnfolder]: 399/2005 cut-off events. [2022-01-19 15:23:58,637 INFO L130 PetriNetUnfolder]: For 136/147 co-relation queries the response was YES. [2022-01-19 15:23:58,641 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2923 conditions, 2005 events. 399/2005 cut-off events. For 136/147 co-relation queries the response was YES. Maximal size of possible extension queue 58. Compared 14710 event pairs, 178 based on Foata normal form. 3/1791 useless extension candidates. Maximal degree in co-relation 2917. Up to 398 conditions per place. [2022-01-19 15:23:58,649 INFO L132 encePairwiseOnDemand]: 230/239 looper letters, 96 selfloop transitions, 7 changer transitions 0/278 dead transitions. [2022-01-19 15:23:58,650 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 217 places, 278 transitions, 852 flow [2022-01-19 15:23:58,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-01-19 15:23:58,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-01-19 15:23:58,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1227 transitions. [2022-01-19 15:23:58,653 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8556485355648535 [2022-01-19 15:23:58,653 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1227 transitions. [2022-01-19 15:23:58,655 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1227 transitions. [2022-01-19 15:23:58,656 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-01-19 15:23:58,656 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1227 transitions. [2022-01-19 15:23:58,659 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 204.5) internal successors, (1227), 6 states have internal predecessors, (1227), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 15:23:58,661 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 239.0) internal successors, (1673), 7 states have internal predecessors, (1673), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 15:23:58,662 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 239.0) internal successors, (1673), 7 states have internal predecessors, (1673), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 15:23:58,662 INFO L186 Difference]: Start difference. First operand has 212 places, 213 transitions, 456 flow. Second operand 6 states and 1227 transitions. [2022-01-19 15:23:58,662 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 217 places, 278 transitions, 852 flow [2022-01-19 15:23:58,666 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 216 places, 278 transitions, 839 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-01-19 15:23:58,669 INFO L242 Difference]: Finished difference. Result has 219 places, 217 transitions, 498 flow [2022-01-19 15:23:58,669 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=239, PETRI_DIFFERENCE_MINUEND_FLOW=452, PETRI_DIFFERENCE_MINUEND_PLACES=211, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=213, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=206, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=498, PETRI_PLACES=219, PETRI_TRANSITIONS=217} [2022-01-19 15:23:58,671 INFO L334 CegarLoopForPetriNet]: 214 programPoint places, 5 predicate places. [2022-01-19 15:23:58,671 INFO L470 AbstractCegarLoop]: Abstraction has has 219 places, 217 transitions, 498 flow [2022-01-19 15:23:58,672 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 192.0) internal successors, (960), 5 states have internal predecessors, (960), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 15:23:58,672 INFO L246 CegarLoopForPetriNet]: Found error trace [2022-01-19 15:23:58,672 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-19 15:23:58,672 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-01-19 15:23:58,673 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-19 15:23:58,673 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-19 15:23:58,673 INFO L85 PathProgramCache]: Analyzing trace with hash 128881940, now seen corresponding path program 2 times [2022-01-19 15:23:58,674 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-19 15:23:58,674 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [992872018] [2022-01-19 15:23:58,674 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-19 15:23:58,674 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-19 15:23:58,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-19 15:23:58,850 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-19 15:23:58,851 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-19 15:23:58,851 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [992872018] [2022-01-19 15:23:58,851 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [992872018] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-19 15:23:58,851 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-19 15:23:58,851 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-01-19 15:23:58,851 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1517472755] [2022-01-19 15:23:58,851 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-19 15:23:58,852 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-01-19 15:23:58,852 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-19 15:23:58,853 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-01-19 15:23:58,855 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-01-19 15:23:58,856 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 192 out of 239 [2022-01-19 15:23:58,857 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 219 places, 217 transitions, 498 flow. Second operand has 4 states, 4 states have (on average 195.5) internal successors, (782), 4 states have internal predecessors, (782), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 15:23:58,857 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-01-19 15:23:58,858 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 192 of 239 [2022-01-19 15:23:58,859 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-01-19 15:23:59,033 INFO L129 PetriNetUnfolder]: 208/1233 cut-off events. [2022-01-19 15:23:59,033 INFO L130 PetriNetUnfolder]: For 274/325 co-relation queries the response was YES. [2022-01-19 15:23:59,037 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1854 conditions, 1233 events. 208/1233 cut-off events. For 274/325 co-relation queries the response was YES. Maximal size of possible extension queue 47. Compared 8405 event pairs, 112 based on Foata normal form. 51/1197 useless extension candidates. Maximal degree in co-relation 1845. Up to 320 conditions per place. [2022-01-19 15:23:59,042 INFO L132 encePairwiseOnDemand]: 234/239 looper letters, 43 selfloop transitions, 6 changer transitions 0/228 dead transitions. [2022-01-19 15:23:59,042 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 222 places, 228 transitions, 630 flow [2022-01-19 15:23:59,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-01-19 15:23:59,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2022-01-19 15:23:59,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 813 transitions. [2022-01-19 15:23:59,044 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.850418410041841 [2022-01-19 15:23:59,044 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 813 transitions. [2022-01-19 15:23:59,044 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 813 transitions. [2022-01-19 15:23:59,045 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-01-19 15:23:59,045 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 813 transitions. [2022-01-19 15:23:59,047 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 203.25) internal successors, (813), 4 states have internal predecessors, (813), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 15:23:59,048 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 239.0) internal successors, (1195), 5 states have internal predecessors, (1195), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 15:23:59,049 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 239.0) internal successors, (1195), 5 states have internal predecessors, (1195), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 15:23:59,049 INFO L186 Difference]: Start difference. First operand has 219 places, 217 transitions, 498 flow. Second operand 4 states and 813 transitions. [2022-01-19 15:23:59,049 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 222 places, 228 transitions, 630 flow [2022-01-19 15:23:59,052 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 220 places, 228 transitions, 620 flow, removed 2 selfloop flow, removed 2 redundant places. [2022-01-19 15:23:59,055 INFO L242 Difference]: Finished difference. Result has 221 places, 216 transitions, 500 flow [2022-01-19 15:23:59,055 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=239, PETRI_DIFFERENCE_MINUEND_FLOW=484, PETRI_DIFFERENCE_MINUEND_PLACES=217, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=216, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=210, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=500, PETRI_PLACES=221, PETRI_TRANSITIONS=216} [2022-01-19 15:23:59,056 INFO L334 CegarLoopForPetriNet]: 214 programPoint places, 7 predicate places. [2022-01-19 15:23:59,056 INFO L470 AbstractCegarLoop]: Abstraction has has 221 places, 216 transitions, 500 flow [2022-01-19 15:23:59,056 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 195.5) internal successors, (782), 4 states have internal predecessors, (782), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 15:23:59,056 INFO L246 CegarLoopForPetriNet]: Found error trace [2022-01-19 15:23:59,057 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-19 15:23:59,057 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-01-19 15:23:59,057 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-19 15:23:59,057 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-19 15:23:59,057 INFO L85 PathProgramCache]: Analyzing trace with hash -936746672, now seen corresponding path program 1 times [2022-01-19 15:23:59,057 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-19 15:23:59,058 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [533584526] [2022-01-19 15:23:59,058 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-19 15:23:59,058 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-19 15:23:59,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-19 15:23:59,180 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-19 15:23:59,180 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-19 15:23:59,180 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [533584526] [2022-01-19 15:23:59,181 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [533584526] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-19 15:23:59,181 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-19 15:23:59,181 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-01-19 15:23:59,181 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1132472988] [2022-01-19 15:23:59,181 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-19 15:23:59,181 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-01-19 15:23:59,182 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-19 15:23:59,182 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-01-19 15:23:59,182 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-01-19 15:23:59,184 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 191 out of 239 [2022-01-19 15:23:59,185 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 221 places, 216 transitions, 500 flow. Second operand has 6 states, 6 states have (on average 193.5) internal successors, (1161), 6 states have internal predecessors, (1161), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 15:23:59,185 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-01-19 15:23:59,185 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 191 of 239 [2022-01-19 15:23:59,185 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-01-19 15:23:59,466 INFO L129 PetriNetUnfolder]: 218/1261 cut-off events. [2022-01-19 15:23:59,466 INFO L130 PetriNetUnfolder]: For 354/409 co-relation queries the response was YES. [2022-01-19 15:23:59,469 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1944 conditions, 1261 events. 218/1261 cut-off events. For 354/409 co-relation queries the response was YES. Maximal size of possible extension queue 39. Compared 8673 event pairs, 117 based on Foata normal form. 55/1231 useless extension candidates. Maximal degree in co-relation 1934. Up to 292 conditions per place. [2022-01-19 15:23:59,473 INFO L132 encePairwiseOnDemand]: 230/239 looper letters, 54 selfloop transitions, 10 changer transitions 0/242 dead transitions. [2022-01-19 15:23:59,473 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 227 places, 242 transitions, 715 flow [2022-01-19 15:23:59,474 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-01-19 15:23:59,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2022-01-19 15:23:59,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 1394 transitions. [2022-01-19 15:23:59,476 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8332337118947998 [2022-01-19 15:23:59,476 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 1394 transitions. [2022-01-19 15:23:59,476 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 1394 transitions. [2022-01-19 15:23:59,477 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-01-19 15:23:59,477 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 1394 transitions. [2022-01-19 15:23:59,479 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 199.14285714285714) internal successors, (1394), 7 states have internal predecessors, (1394), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 15:23:59,481 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) [2022-01-19 15:23:59,482 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) [2022-01-19 15:23:59,482 INFO L186 Difference]: Start difference. First operand has 221 places, 216 transitions, 500 flow. Second operand 7 states and 1394 transitions. [2022-01-19 15:23:59,482 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 227 places, 242 transitions, 715 flow [2022-01-19 15:23:59,484 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 224 places, 242 transitions, 703 flow, removed 0 selfloop flow, removed 3 redundant places. [2022-01-19 15:23:59,486 INFO L242 Difference]: Finished difference. Result has 228 places, 219 transitions, 535 flow [2022-01-19 15:23:59,487 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=239, PETRI_DIFFERENCE_MINUEND_FLOW=488, PETRI_DIFFERENCE_MINUEND_PLACES=218, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=216, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=206, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=535, PETRI_PLACES=228, PETRI_TRANSITIONS=219} [2022-01-19 15:23:59,487 INFO L334 CegarLoopForPetriNet]: 214 programPoint places, 14 predicate places. [2022-01-19 15:23:59,487 INFO L470 AbstractCegarLoop]: Abstraction has has 228 places, 219 transitions, 535 flow [2022-01-19 15:23:59,488 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 193.5) internal successors, (1161), 6 states have internal predecessors, (1161), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 15:23:59,488 INFO L246 CegarLoopForPetriNet]: Found error trace [2022-01-19 15:23:59,488 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-19 15:23:59,488 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-01-19 15:23:59,488 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-19 15:23:59,489 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-19 15:23:59,489 INFO L85 PathProgramCache]: Analyzing trace with hash -445000328, now seen corresponding path program 1 times [2022-01-19 15:23:59,489 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-19 15:23:59,489 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1954752126] [2022-01-19 15:23:59,489 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-19 15:23:59,489 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-19 15:23:59,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-19 15:23:59,614 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-19 15:23:59,614 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-19 15:23:59,614 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1954752126] [2022-01-19 15:23:59,614 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1954752126] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-19 15:23:59,615 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-19 15:23:59,615 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-01-19 15:23:59,615 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1940605135] [2022-01-19 15:23:59,615 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-19 15:23:59,615 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-01-19 15:23:59,615 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-19 15:23:59,616 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-01-19 15:23:59,616 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2022-01-19 15:23:59,617 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 189 out of 239 [2022-01-19 15:23:59,618 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 228 places, 219 transitions, 535 flow. Second operand has 6 states, 6 states have (on average 191.83333333333334) internal successors, (1151), 6 states have internal predecessors, (1151), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 15:23:59,618 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-01-19 15:23:59,619 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 189 of 239 [2022-01-19 15:23:59,619 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-01-19 15:23:59,979 INFO L129 PetriNetUnfolder]: 494/2495 cut-off events. [2022-01-19 15:23:59,979 INFO L130 PetriNetUnfolder]: For 757/757 co-relation queries the response was YES. [2022-01-19 15:23:59,989 INFO L84 FinitePrefix]: Finished finitePrefix Result has 4077 conditions, 2495 events. 494/2495 cut-off events. For 757/757 co-relation queries the response was YES. Maximal size of possible extension queue 58. Compared 19300 event pairs, 214 based on Foata normal form. 11/2354 useless extension candidates. Maximal degree in co-relation 4064. Up to 530 conditions per place. [2022-01-19 15:23:59,999 INFO L132 encePairwiseOnDemand]: 232/239 looper letters, 82 selfloop transitions, 11 changer transitions 0/269 dead transitions. [2022-01-19 15:24:00,000 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 234 places, 269 transitions, 888 flow [2022-01-19 15:24:00,000 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-01-19 15:24:00,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2022-01-19 15:24:00,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 1408 transitions. [2022-01-19 15:24:00,003 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8416019127316199 [2022-01-19 15:24:00,003 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 1408 transitions. [2022-01-19 15:24:00,003 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 1408 transitions. [2022-01-19 15:24:00,004 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-01-19 15:24:00,004 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 1408 transitions. [2022-01-19 15:24:00,007 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 201.14285714285714) internal successors, (1408), 7 states have internal predecessors, (1408), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 15:24:00,009 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) [2022-01-19 15:24:00,010 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) [2022-01-19 15:24:00,010 INFO L186 Difference]: Start difference. First operand has 228 places, 219 transitions, 535 flow. Second operand 7 states and 1408 transitions. [2022-01-19 15:24:00,010 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 234 places, 269 transitions, 888 flow [2022-01-19 15:24:00,014 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 231 places, 269 transitions, 875 flow, removed 0 selfloop flow, removed 3 redundant places. [2022-01-19 15:24:00,018 INFO L242 Difference]: Finished difference. Result has 235 places, 224 transitions, 595 flow [2022-01-19 15:24:00,018 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=239, PETRI_DIFFERENCE_MINUEND_FLOW=525, PETRI_DIFFERENCE_MINUEND_PLACES=225, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=219, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=211, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=595, PETRI_PLACES=235, PETRI_TRANSITIONS=224} [2022-01-19 15:24:00,019 INFO L334 CegarLoopForPetriNet]: 214 programPoint places, 21 predicate places. [2022-01-19 15:24:00,019 INFO L470 AbstractCegarLoop]: Abstraction has has 235 places, 224 transitions, 595 flow [2022-01-19 15:24:00,020 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 191.83333333333334) internal successors, (1151), 6 states have internal predecessors, (1151), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 15:24:00,020 INFO L246 CegarLoopForPetriNet]: Found error trace [2022-01-19 15:24:00,020 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-19 15:24:00,020 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-01-19 15:24:00,020 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-19 15:24:00,020 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-19 15:24:00,020 INFO L85 PathProgramCache]: Analyzing trace with hash 1946485220, now seen corresponding path program 2 times [2022-01-19 15:24:00,021 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-19 15:24:00,021 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1068805715] [2022-01-19 15:24:00,021 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-19 15:24:00,021 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-19 15:24:00,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-19 15:24:00,155 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-19 15:24:00,156 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-19 15:24:00,156 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1068805715] [2022-01-19 15:24:00,156 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1068805715] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-19 15:24:00,156 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-19 15:24:00,156 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-01-19 15:24:00,156 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [637420701] [2022-01-19 15:24:00,156 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-19 15:24:00,157 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-01-19 15:24:00,157 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-19 15:24:00,157 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-01-19 15:24:00,157 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-01-19 15:24:00,158 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 189 out of 239 [2022-01-19 15:24:00,159 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 235 places, 224 transitions, 595 flow. Second operand has 5 states, 5 states have (on average 192.4) internal successors, (962), 5 states have internal predecessors, (962), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 15:24:00,159 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-01-19 15:24:00,159 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 189 of 239 [2022-01-19 15:24:00,159 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-01-19 15:24:00,522 INFO L129 PetriNetUnfolder]: 512/2597 cut-off events. [2022-01-19 15:24:00,522 INFO L130 PetriNetUnfolder]: For 1598/1598 co-relation queries the response was YES. [2022-01-19 15:24:00,534 INFO L84 FinitePrefix]: Finished finitePrefix Result has 4617 conditions, 2597 events. 512/2597 cut-off events. For 1598/1598 co-relation queries the response was YES. Maximal size of possible extension queue 58. Compared 20518 event pairs, 233 based on Foata normal form. 2/2426 useless extension candidates. Maximal degree in co-relation 4599. Up to 477 conditions per place. [2022-01-19 15:24:00,545 INFO L132 encePairwiseOnDemand]: 232/239 looper letters, 85 selfloop transitions, 15 changer transitions 0/276 dead transitions. [2022-01-19 15:24:00,546 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 239 places, 276 transitions, 1030 flow [2022-01-19 15:24:00,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-01-19 15:24:00,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2022-01-19 15:24:00,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1029 transitions. [2022-01-19 15:24:00,548 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8610878661087866 [2022-01-19 15:24:00,548 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 1029 transitions. [2022-01-19 15:24:00,548 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 1029 transitions. [2022-01-19 15:24:00,549 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-01-19 15:24:00,549 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 1029 transitions. [2022-01-19 15:24:00,551 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 205.8) internal successors, (1029), 5 states have internal predecessors, (1029), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 15:24:00,553 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 239.0) internal successors, (1434), 6 states have internal predecessors, (1434), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 15:24:00,553 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 239.0) internal successors, (1434), 6 states have internal predecessors, (1434), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 15:24:00,553 INFO L186 Difference]: Start difference. First operand has 235 places, 224 transitions, 595 flow. Second operand 5 states and 1029 transitions. [2022-01-19 15:24:00,553 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 239 places, 276 transitions, 1030 flow [2022-01-19 15:24:00,560 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 237 places, 276 transitions, 1011 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-01-19 15:24:00,563 INFO L242 Difference]: Finished difference. Result has 240 places, 231 transitions, 717 flow [2022-01-19 15:24:00,564 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=239, PETRI_DIFFERENCE_MINUEND_FLOW=586, PETRI_DIFFERENCE_MINUEND_PLACES=233, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=224, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=8, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=212, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=717, PETRI_PLACES=240, PETRI_TRANSITIONS=231} [2022-01-19 15:24:00,564 INFO L334 CegarLoopForPetriNet]: 214 programPoint places, 26 predicate places. [2022-01-19 15:24:00,564 INFO L470 AbstractCegarLoop]: Abstraction has has 240 places, 231 transitions, 717 flow [2022-01-19 15:24:00,565 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 192.4) internal successors, (962), 5 states have internal predecessors, (962), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 15:24:00,565 INFO L246 CegarLoopForPetriNet]: Found error trace [2022-01-19 15:24:00,565 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-19 15:24:00,565 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-01-19 15:24:00,565 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-19 15:24:00,566 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-19 15:24:00,566 INFO L85 PathProgramCache]: Analyzing trace with hash 628648312, now seen corresponding path program 3 times [2022-01-19 15:24:00,566 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-19 15:24:00,566 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2004064129] [2022-01-19 15:24:00,566 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-19 15:24:00,566 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-19 15:24:00,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-19 15:24:00,670 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-19 15:24:00,670 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-19 15:24:00,670 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2004064129] [2022-01-19 15:24:00,670 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2004064129] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-19 15:24:00,671 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-19 15:24:00,671 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-01-19 15:24:00,671 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1180143583] [2022-01-19 15:24:00,671 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-19 15:24:00,671 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-01-19 15:24:00,671 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-19 15:24:00,672 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-01-19 15:24:00,672 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-01-19 15:24:00,673 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 189 out of 239 [2022-01-19 15:24:00,674 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 240 places, 231 transitions, 717 flow. Second operand has 5 states, 5 states have (on average 192.4) internal successors, (962), 5 states have internal predecessors, (962), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 15:24:00,674 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-01-19 15:24:00,674 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 189 of 239 [2022-01-19 15:24:00,674 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-01-19 15:24:01,062 INFO L129 PetriNetUnfolder]: 525/2657 cut-off events. [2022-01-19 15:24:01,063 INFO L130 PetriNetUnfolder]: For 2702/2704 co-relation queries the response was YES. [2022-01-19 15:24:01,071 INFO L84 FinitePrefix]: Finished finitePrefix Result has 4936 conditions, 2657 events. 525/2657 cut-off events. For 2702/2704 co-relation queries the response was YES. Maximal size of possible extension queue 58. Compared 20909 event pairs, 290 based on Foata normal form. 4/2489 useless extension candidates. Maximal degree in co-relation 4915. Up to 764 conditions per place. [2022-01-19 15:24:01,080 INFO L132 encePairwiseOnDemand]: 232/239 looper letters, 62 selfloop transitions, 20 changer transitions 0/258 dead transitions. [2022-01-19 15:24:01,080 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 244 places, 258 transitions, 1033 flow [2022-01-19 15:24:01,080 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-01-19 15:24:01,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2022-01-19 15:24:01,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1011 transitions. [2022-01-19 15:24:01,082 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8460251046025105 [2022-01-19 15:24:01,083 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 1011 transitions. [2022-01-19 15:24:01,083 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 1011 transitions. [2022-01-19 15:24:01,083 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-01-19 15:24:01,083 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 1011 transitions. [2022-01-19 15:24:01,085 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 202.2) internal successors, (1011), 5 states have internal predecessors, (1011), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 15:24:01,087 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 239.0) internal successors, (1434), 6 states have internal predecessors, (1434), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 15:24:01,087 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 239.0) internal successors, (1434), 6 states have internal predecessors, (1434), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 15:24:01,087 INFO L186 Difference]: Start difference. First operand has 240 places, 231 transitions, 717 flow. Second operand 5 states and 1011 transitions. [2022-01-19 15:24:01,088 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 244 places, 258 transitions, 1033 flow [2022-01-19 15:24:01,093 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 243 places, 258 transitions, 1014 flow, removed 5 selfloop flow, removed 1 redundant places. [2022-01-19 15:24:01,096 INFO L242 Difference]: Finished difference. Result has 246 places, 238 transitions, 859 flow [2022-01-19 15:24:01,097 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=239, PETRI_DIFFERENCE_MINUEND_FLOW=700, PETRI_DIFFERENCE_MINUEND_PLACES=239, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=231, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=13, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=215, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=859, PETRI_PLACES=246, PETRI_TRANSITIONS=238} [2022-01-19 15:24:01,097 INFO L334 CegarLoopForPetriNet]: 214 programPoint places, 32 predicate places. [2022-01-19 15:24:01,097 INFO L470 AbstractCegarLoop]: Abstraction has has 246 places, 238 transitions, 859 flow [2022-01-19 15:24:01,098 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 192.4) internal successors, (962), 5 states have internal predecessors, (962), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 15:24:01,098 INFO L246 CegarLoopForPetriNet]: Found error trace [2022-01-19 15:24:01,098 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-19 15:24:01,098 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-01-19 15:24:01,098 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-19 15:24:01,099 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-19 15:24:01,099 INFO L85 PathProgramCache]: Analyzing trace with hash 85408710, now seen corresponding path program 4 times [2022-01-19 15:24:01,099 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-19 15:24:01,099 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1079840714] [2022-01-19 15:24:01,099 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-19 15:24:01,099 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-19 15:24:01,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-19 15:24:01,216 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-19 15:24:01,216 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-19 15:24:01,216 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1079840714] [2022-01-19 15:24:01,216 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1079840714] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-19 15:24:01,216 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-19 15:24:01,216 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-01-19 15:24:01,217 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1209959686] [2022-01-19 15:24:01,217 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-19 15:24:01,217 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-01-19 15:24:01,217 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-19 15:24:01,218 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-01-19 15:24:01,218 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2022-01-19 15:24:01,219 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 189 out of 239 [2022-01-19 15:24:01,220 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 246 places, 238 transitions, 859 flow. Second operand has 6 states, 6 states have (on average 191.83333333333334) internal successors, (1151), 6 states have internal predecessors, (1151), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 15:24:01,220 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-01-19 15:24:01,220 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 189 of 239 [2022-01-19 15:24:01,220 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-01-19 15:24:01,556 INFO L129 PetriNetUnfolder]: 543/2749 cut-off events. [2022-01-19 15:24:01,556 INFO L130 PetriNetUnfolder]: For 3632/3642 co-relation queries the response was YES. [2022-01-19 15:24:01,565 INFO L84 FinitePrefix]: Finished finitePrefix Result has 5233 conditions, 2749 events. 543/2749 cut-off events. For 3632/3642 co-relation queries the response was YES. Maximal size of possible extension queue 67. Compared 21890 event pairs, 297 based on Foata normal form. 13/2587 useless extension candidates. Maximal degree in co-relation 5209. Up to 485 conditions per place. [2022-01-19 15:24:01,575 INFO L132 encePairwiseOnDemand]: 232/239 looper letters, 94 selfloop transitions, 18 changer transitions 0/288 dead transitions. [2022-01-19 15:24:01,575 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 251 places, 288 transitions, 1248 flow [2022-01-19 15:24:01,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-01-19 15:24:01,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-01-19 15:24:01,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1225 transitions. [2022-01-19 15:24:01,577 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8542538354253836 [2022-01-19 15:24:01,577 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1225 transitions. [2022-01-19 15:24:01,578 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1225 transitions. [2022-01-19 15:24:01,578 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-01-19 15:24:01,578 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1225 transitions. [2022-01-19 15:24:01,580 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 204.16666666666666) internal successors, (1225), 6 states have internal predecessors, (1225), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 15:24:01,582 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 239.0) internal successors, (1673), 7 states have internal predecessors, (1673), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 15:24:01,583 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 239.0) internal successors, (1673), 7 states have internal predecessors, (1673), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 15:24:01,583 INFO L186 Difference]: Start difference. First operand has 246 places, 238 transitions, 859 flow. Second operand 6 states and 1225 transitions. [2022-01-19 15:24:01,583 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 251 places, 288 transitions, 1248 flow [2022-01-19 15:24:01,591 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 250 places, 288 transitions, 1202 flow, removed 16 selfloop flow, removed 1 redundant places. [2022-01-19 15:24:01,594 INFO L242 Difference]: Finished difference. Result has 253 places, 240 transitions, 883 flow [2022-01-19 15:24:01,595 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=239, PETRI_DIFFERENCE_MINUEND_FLOW=797, PETRI_DIFFERENCE_MINUEND_PLACES=245, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=237, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=15, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=221, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=883, PETRI_PLACES=253, PETRI_TRANSITIONS=240} [2022-01-19 15:24:01,596 INFO L334 CegarLoopForPetriNet]: 214 programPoint places, 39 predicate places. [2022-01-19 15:24:01,596 INFO L470 AbstractCegarLoop]: Abstraction has has 253 places, 240 transitions, 883 flow [2022-01-19 15:24:01,596 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 191.83333333333334) internal successors, (1151), 6 states have internal predecessors, (1151), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 15:24:01,596 INFO L246 CegarLoopForPetriNet]: Found error trace [2022-01-19 15:24:01,597 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-19 15:24:01,597 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-01-19 15:24:01,597 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-19 15:24:01,597 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-19 15:24:01,598 INFO L85 PathProgramCache]: Analyzing trace with hash 1188686910, now seen corresponding path program 5 times [2022-01-19 15:24:01,598 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-19 15:24:01,598 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1877206145] [2022-01-19 15:24:01,598 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-19 15:24:01,598 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-19 15:24:01,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-19 15:24:01,723 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-19 15:24:01,723 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-19 15:24:01,723 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1877206145] [2022-01-19 15:24:01,723 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1877206145] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-19 15:24:01,725 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-19 15:24:01,725 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-01-19 15:24:01,725 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1972399274] [2022-01-19 15:24:01,726 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-19 15:24:01,726 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-01-19 15:24:01,726 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-19 15:24:01,727 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-01-19 15:24:01,728 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2022-01-19 15:24:01,729 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 189 out of 239 [2022-01-19 15:24:01,730 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 253 places, 240 transitions, 883 flow. Second operand has 6 states, 6 states have (on average 191.83333333333334) internal successors, (1151), 6 states have internal predecessors, (1151), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 15:24:01,730 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-01-19 15:24:01,730 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 189 of 239 [2022-01-19 15:24:01,730 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-01-19 15:24:02,052 INFO L129 PetriNetUnfolder]: 523/2642 cut-off events. [2022-01-19 15:24:02,052 INFO L130 PetriNetUnfolder]: For 3654/3655 co-relation queries the response was YES. [2022-01-19 15:24:02,061 INFO L84 FinitePrefix]: Finished finitePrefix Result has 5038 conditions, 2642 events. 523/2642 cut-off events. For 3654/3655 co-relation queries the response was YES. Maximal size of possible extension queue 58. Compared 20767 event pairs, 264 based on Foata normal form. 12/2487 useless extension candidates. Maximal degree in co-relation 5011. Up to 736 conditions per place. [2022-01-19 15:24:02,068 INFO L132 encePairwiseOnDemand]: 232/239 looper letters, 74 selfloop transitions, 20 changer transitions 0/270 dead transitions. [2022-01-19 15:24:02,068 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 258 places, 270 transitions, 1177 flow [2022-01-19 15:24:02,069 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-01-19 15:24:02,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-01-19 15:24:02,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1211 transitions. [2022-01-19 15:24:02,071 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8444909344490934 [2022-01-19 15:24:02,071 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1211 transitions. [2022-01-19 15:24:02,071 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1211 transitions. [2022-01-19 15:24:02,072 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-01-19 15:24:02,072 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1211 transitions. [2022-01-19 15:24:02,073 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 201.83333333333334) internal successors, (1211), 6 states have internal predecessors, (1211), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 15:24:02,075 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 239.0) internal successors, (1673), 7 states have internal predecessors, (1673), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 15:24:02,076 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 239.0) internal successors, (1673), 7 states have internal predecessors, (1673), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 15:24:02,076 INFO L186 Difference]: Start difference. First operand has 253 places, 240 transitions, 883 flow. Second operand 6 states and 1211 transitions. [2022-01-19 15:24:02,076 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 258 places, 270 transitions, 1177 flow [2022-01-19 15:24:02,083 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 256 places, 270 transitions, 1141 flow, removed 3 selfloop flow, removed 2 redundant places. [2022-01-19 15:24:02,085 INFO L242 Difference]: Finished difference. Result has 259 places, 242 transitions, 939 flow [2022-01-19 15:24:02,086 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=239, PETRI_DIFFERENCE_MINUEND_FLOW=838, PETRI_DIFFERENCE_MINUEND_PLACES=251, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=239, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=17, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=220, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=939, PETRI_PLACES=259, PETRI_TRANSITIONS=242} [2022-01-19 15:24:02,086 INFO L334 CegarLoopForPetriNet]: 214 programPoint places, 45 predicate places. [2022-01-19 15:24:02,086 INFO L470 AbstractCegarLoop]: Abstraction has has 259 places, 242 transitions, 939 flow [2022-01-19 15:24:02,087 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 191.83333333333334) internal successors, (1151), 6 states have internal predecessors, (1151), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 15:24:02,087 INFO L246 CegarLoopForPetriNet]: Found error trace [2022-01-19 15:24:02,087 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-19 15:24:02,087 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-01-19 15:24:02,087 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-19 15:24:02,087 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-19 15:24:02,088 INFO L85 PathProgramCache]: Analyzing trace with hash 22975671, now seen corresponding path program 1 times [2022-01-19 15:24:02,088 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-19 15:24:02,088 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2026175114] [2022-01-19 15:24:02,088 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-19 15:24:02,088 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-19 15:24:02,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-19 15:24:02,205 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-19 15:24:02,205 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-19 15:24:02,205 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2026175114] [2022-01-19 15:24:02,205 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2026175114] provided 0 perfect and 1 imperfect interpolant sequences [2022-01-19 15:24:02,205 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [162633452] [2022-01-19 15:24:02,205 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-19 15:24:02,206 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-19 15:24:02,206 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-19 15:24:02,207 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) [2022-01-19 15:24:02,208 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-01-19 15:24:02,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-19 15:24:02,286 INFO L263 TraceCheckSpWp]: Trace formula consists of 264 conjuncts, 9 conjunts are in the unsatisfiable core [2022-01-19 15:24:02,291 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-19 15:24:02,550 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-01-19 15:24:02,550 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-19 15:24:02,551 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [162633452] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-19 15:24:02,551 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-01-19 15:24:02,551 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [8] total 14 [2022-01-19 15:24:02,551 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2056753508] [2022-01-19 15:24:02,551 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-19 15:24:02,551 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-01-19 15:24:02,551 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-19 15:24:02,552 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-01-19 15:24:02,552 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=154, Unknown=0, NotChecked=0, Total=182 [2022-01-19 15:24:02,553 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 168 out of 239 [2022-01-19 15:24:02,554 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 259 places, 242 transitions, 939 flow. Second operand has 8 states, 8 states have (on average 171.0) internal successors, (1368), 8 states have internal predecessors, (1368), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 15:24:02,554 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-01-19 15:24:02,554 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 168 of 239 [2022-01-19 15:24:02,554 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-01-19 15:24:02,855 INFO L129 PetriNetUnfolder]: 371/1994 cut-off events. [2022-01-19 15:24:02,855 INFO L130 PetriNetUnfolder]: For 1524/1538 co-relation queries the response was YES. [2022-01-19 15:24:02,863 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3521 conditions, 1994 events. 371/1994 cut-off events. For 1524/1538 co-relation queries the response was YES. Maximal size of possible extension queue 72. Compared 15890 event pairs, 207 based on Foata normal form. 2/1874 useless extension candidates. Maximal degree in co-relation 3491. Up to 555 conditions per place. [2022-01-19 15:24:02,867 INFO L132 encePairwiseOnDemand]: 219/239 looper letters, 47 selfloop transitions, 13 changer transitions 18/265 dead transitions. [2022-01-19 15:24:02,867 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 268 places, 265 transitions, 1147 flow [2022-01-19 15:24:02,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-01-19 15:24:02,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2022-01-19 15:24:02,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 1760 transitions. [2022-01-19 15:24:02,870 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.7364016736401674 [2022-01-19 15:24:02,870 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 1760 transitions. [2022-01-19 15:24:02,870 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 1760 transitions. [2022-01-19 15:24:02,871 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-01-19 15:24:02,871 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 1760 transitions. [2022-01-19 15:24:02,873 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 176.0) internal successors, (1760), 10 states have internal predecessors, (1760), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 15:24:02,876 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 239.0) internal successors, (2629), 11 states have internal predecessors, (2629), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 15:24:02,876 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 239.0) internal successors, (2629), 11 states have internal predecessors, (2629), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 15:24:02,876 INFO L186 Difference]: Start difference. First operand has 259 places, 242 transitions, 939 flow. Second operand 10 states and 1760 transitions. [2022-01-19 15:24:02,876 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 268 places, 265 transitions, 1147 flow [2022-01-19 15:24:02,882 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 266 places, 265 transitions, 1102 flow, removed 9 selfloop flow, removed 2 redundant places. [2022-01-19 15:24:02,884 INFO L242 Difference]: Finished difference. Result has 270 places, 243 transitions, 940 flow [2022-01-19 15:24:02,885 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=239, PETRI_DIFFERENCE_MINUEND_FLOW=894, PETRI_DIFFERENCE_MINUEND_PLACES=257, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=242, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=12, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=229, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=940, PETRI_PLACES=270, PETRI_TRANSITIONS=243} [2022-01-19 15:24:02,885 INFO L334 CegarLoopForPetriNet]: 214 programPoint places, 56 predicate places. [2022-01-19 15:24:02,885 INFO L470 AbstractCegarLoop]: Abstraction has has 270 places, 243 transitions, 940 flow [2022-01-19 15:24:02,886 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 171.0) internal successors, (1368), 8 states have internal predecessors, (1368), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 15:24:02,886 INFO L246 CegarLoopForPetriNet]: Found error trace [2022-01-19 15:24:02,886 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-19 15:24:02,906 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-01-19 15:24:03,103 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2022-01-19 15:24:03,103 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-19 15:24:03,103 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-19 15:24:03,104 INFO L85 PathProgramCache]: Analyzing trace with hash 972953046, now seen corresponding path program 1 times [2022-01-19 15:24:03,104 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-19 15:24:03,104 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1315484779] [2022-01-19 15:24:03,104 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-19 15:24:03,104 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-19 15:24:03,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-19 15:24:03,243 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-01-19 15:24:03,243 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-19 15:24:03,243 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1315484779] [2022-01-19 15:24:03,243 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1315484779] provided 0 perfect and 1 imperfect interpolant sequences [2022-01-19 15:24:03,243 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [94282121] [2022-01-19 15:24:03,243 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-19 15:24:03,243 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-19 15:24:03,243 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-19 15:24:03,244 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) [2022-01-19 15:24:03,245 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-01-19 15:24:03,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-19 15:24:03,323 INFO L263 TraceCheckSpWp]: Trace formula consists of 277 conjuncts, 33 conjunts are in the unsatisfiable core [2022-01-19 15:24:03,334 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-19 15:24:03,910 INFO L353 Elim1Store]: treesize reduction 9, result has 25.0 percent of original size [2022-01-19 15:24:03,910 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 19 treesize of output 10 [2022-01-19 15:24:03,985 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-19 15:24:03,985 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-01-19 15:24:04,394 INFO L353 Elim1Store]: treesize reduction 9, result has 43.8 percent of original size [2022-01-19 15:24:04,395 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 19 treesize of output 11 [2022-01-19 15:24:05,038 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-19 15:24:05,038 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [94282121] provided 0 perfect and 2 imperfect interpolant sequences [2022-01-19 15:24:05,039 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-01-19 15:24:05,039 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 18, 18] total 35 [2022-01-19 15:24:05,039 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1327413554] [2022-01-19 15:24:05,039 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-01-19 15:24:05,039 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 35 states [2022-01-19 15:24:05,039 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-19 15:24:05,040 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2022-01-19 15:24:05,040 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=109, Invalid=1081, Unknown=0, NotChecked=0, Total=1190 [2022-01-19 15:24:05,043 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 91 out of 239 [2022-01-19 15:24:05,045 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 270 places, 243 transitions, 940 flow. Second operand has 35 states, 35 states have (on average 96.82857142857142) internal successors, (3389), 35 states have internal predecessors, (3389), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 15:24:05,045 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-01-19 15:24:05,045 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 91 of 239 [2022-01-19 15:24:05,045 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-01-19 15:24:18,834 INFO L129 PetriNetUnfolder]: 23696/50660 cut-off events. [2022-01-19 15:24:18,834 INFO L130 PetriNetUnfolder]: For 44240/44270 co-relation queries the response was YES. [2022-01-19 15:24:19,150 INFO L84 FinitePrefix]: Finished finitePrefix Result has 111306 conditions, 50660 events. 23696/50660 cut-off events. For 44240/44270 co-relation queries the response was YES. Maximal size of possible extension queue 789. Compared 520501 event pairs, 846 based on Foata normal form. 96/49900 useless extension candidates. Maximal degree in co-relation 111272. Up to 7668 conditions per place. [2022-01-19 15:24:19,400 INFO L132 encePairwiseOnDemand]: 172/239 looper letters, 2001 selfloop transitions, 463 changer transitions 381/2927 dead transitions. [2022-01-19 15:24:19,401 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 420 places, 2927 transitions, 16045 flow [2022-01-19 15:24:19,401 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 154 states. [2022-01-19 15:24:19,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 154 states. [2022-01-19 15:24:19,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 154 states and 16641 transitions. [2022-01-19 15:24:19,424 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.45212737053741237 [2022-01-19 15:24:19,424 INFO L72 ComplementDD]: Start complementDD. Operand 154 states and 16641 transitions. [2022-01-19 15:24:19,424 INFO L73 IsDeterministic]: Start isDeterministic. Operand 154 states and 16641 transitions. [2022-01-19 15:24:19,432 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-01-19 15:24:19,432 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 154 states and 16641 transitions. [2022-01-19 15:24:19,455 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 155 states, 154 states have (on average 108.05844155844156) internal successors, (16641), 154 states have internal predecessors, (16641), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 15:24:19,495 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 155 states, 155 states have (on average 239.0) internal successors, (37045), 155 states have internal predecessors, (37045), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 15:24:19,506 INFO L81 ComplementDD]: Finished complementDD. Result has 155 states, 155 states have (on average 239.0) internal successors, (37045), 155 states have internal predecessors, (37045), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 15:24:19,507 INFO L186 Difference]: Start difference. First operand has 270 places, 243 transitions, 940 flow. Second operand 154 states and 16641 transitions. [2022-01-19 15:24:19,507 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 420 places, 2927 transitions, 16045 flow [2022-01-19 15:24:19,865 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 413 places, 2927 transitions, 15322 flow, removed 246 selfloop flow, removed 7 redundant places. [2022-01-19 15:24:19,883 INFO L242 Difference]: Finished difference. Result has 521 places, 693 transitions, 4959 flow [2022-01-19 15:24:19,884 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=239, PETRI_DIFFERENCE_MINUEND_FLOW=911, PETRI_DIFFERENCE_MINUEND_PLACES=260, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=243, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=27, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=175, PETRI_DIFFERENCE_SUBTRAHEND_STATES=154, PETRI_FLOW=4959, PETRI_PLACES=521, PETRI_TRANSITIONS=693} [2022-01-19 15:24:19,885 INFO L334 CegarLoopForPetriNet]: 214 programPoint places, 307 predicate places. [2022-01-19 15:24:19,885 INFO L470 AbstractCegarLoop]: Abstraction has has 521 places, 693 transitions, 4959 flow [2022-01-19 15:24:19,886 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 35 states, 35 states have (on average 96.82857142857142) internal successors, (3389), 35 states have internal predecessors, (3389), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 15:24:19,886 INFO L246 CegarLoopForPetriNet]: Found error trace [2022-01-19 15:24:19,886 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-19 15:24:19,904 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-01-19 15:24:20,099 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,SelfDestructingSolverStorable11 [2022-01-19 15:24:20,099 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-19 15:24:20,100 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-19 15:24:20,100 INFO L85 PathProgramCache]: Analyzing trace with hash 1181521696, now seen corresponding path program 2 times [2022-01-19 15:24:20,100 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-19 15:24:20,100 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [371252475] [2022-01-19 15:24:20,100 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-19 15:24:20,100 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-19 15:24:20,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-19 15:24:20,401 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-01-19 15:24:20,401 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-19 15:24:20,401 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [371252475] [2022-01-19 15:24:20,401 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [371252475] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-19 15:24:20,401 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-19 15:24:20,401 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-01-19 15:24:20,401 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1128883601] [2022-01-19 15:24:20,401 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-19 15:24:20,402 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-01-19 15:24:20,402 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-19 15:24:20,402 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-01-19 15:24:20,402 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2022-01-19 15:24:20,403 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 187 out of 239 [2022-01-19 15:24:20,404 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 521 places, 693 transitions, 4959 flow. Second operand has 9 states, 9 states have (on average 189.44444444444446) internal successors, (1705), 9 states have internal predecessors, (1705), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 15:24:20,404 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-01-19 15:24:20,404 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 187 of 239 [2022-01-19 15:24:20,404 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-01-19 15:24:23,488 INFO L129 PetriNetUnfolder]: 2397/10457 cut-off events. [2022-01-19 15:24:23,488 INFO L130 PetriNetUnfolder]: For 89511/89932 co-relation queries the response was YES. [2022-01-19 15:24:23,581 INFO L84 FinitePrefix]: Finished finitePrefix Result has 38167 conditions, 10457 events. 2397/10457 cut-off events. For 89511/89932 co-relation queries the response was YES. Maximal size of possible extension queue 192. Compared 106773 event pairs, 688 based on Foata normal form. 69/10226 useless extension candidates. Maximal degree in co-relation 38028. Up to 1967 conditions per place. [2022-01-19 15:24:23,605 INFO L132 encePairwiseOnDemand]: 226/239 looper letters, 231 selfloop transitions, 123 changer transitions 2/857 dead transitions. [2022-01-19 15:24:23,606 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 489 places, 857 transitions, 6668 flow [2022-01-19 15:24:23,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-01-19 15:24:23,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2022-01-19 15:24:23,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 2371 transitions. [2022-01-19 15:24:23,608 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8267085076708508 [2022-01-19 15:24:23,608 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 2371 transitions. [2022-01-19 15:24:23,608 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 2371 transitions. [2022-01-19 15:24:23,608 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-01-19 15:24:23,608 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 2371 transitions. [2022-01-19 15:24:23,611 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 197.58333333333334) internal successors, (2371), 12 states have internal predecessors, (2371), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 15:24:23,613 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 239.0) internal successors, (3107), 13 states have internal predecessors, (3107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 15:24:23,613 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 239.0) internal successors, (3107), 13 states have internal predecessors, (3107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 15:24:23,613 INFO L186 Difference]: Start difference. First operand has 521 places, 693 transitions, 4959 flow. Second operand 12 states and 2371 transitions. [2022-01-19 15:24:23,613 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 489 places, 857 transitions, 6668 flow [2022-01-19 15:24:24,049 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 474 places, 857 transitions, 6490 flow, removed 83 selfloop flow, removed 15 redundant places. [2022-01-19 15:24:24,056 INFO L242 Difference]: Finished difference. Result has 481 places, 721 transitions, 5428 flow [2022-01-19 15:24:24,057 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=239, PETRI_DIFFERENCE_MINUEND_FLOW=4841, PETRI_DIFFERENCE_MINUEND_PLACES=463, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=693, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=95, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=591, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=5428, PETRI_PLACES=481, PETRI_TRANSITIONS=721} [2022-01-19 15:24:24,057 INFO L334 CegarLoopForPetriNet]: 214 programPoint places, 267 predicate places. [2022-01-19 15:24:24,057 INFO L470 AbstractCegarLoop]: Abstraction has has 481 places, 721 transitions, 5428 flow [2022-01-19 15:24:24,057 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 189.44444444444446) internal successors, (1705), 9 states have internal predecessors, (1705), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 15:24:24,057 INFO L246 CegarLoopForPetriNet]: Found error trace [2022-01-19 15:24:24,058 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-19 15:24:24,058 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-01-19 15:24:24,058 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-19 15:24:24,058 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-19 15:24:24,058 INFO L85 PathProgramCache]: Analyzing trace with hash 1155759226, now seen corresponding path program 3 times [2022-01-19 15:24:24,058 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-19 15:24:24,058 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [469961067] [2022-01-19 15:24:24,058 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-19 15:24:24,058 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-19 15:24:24,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-19 15:24:24,239 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-01-19 15:24:24,239 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-19 15:24:24,239 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [469961067] [2022-01-19 15:24:24,239 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [469961067] provided 0 perfect and 1 imperfect interpolant sequences [2022-01-19 15:24:24,239 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1293474589] [2022-01-19 15:24:24,240 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-01-19 15:24:24,240 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-19 15:24:24,240 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-19 15:24:24,241 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) [2022-01-19 15:24:24,242 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-01-19 15:24:24,314 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2022-01-19 15:24:24,314 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-01-19 15:24:24,316 INFO L263 TraceCheckSpWp]: Trace formula consists of 277 conjuncts, 39 conjunts are in the unsatisfiable core [2022-01-19 15:24:24,318 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-19 15:24:25,175 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-19 15:24:25,177 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-01-19 15:24:25,177 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 17 treesize of output 10 [2022-01-19 15:24:25,271 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-19 15:24:25,271 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-01-19 15:24:25,521 INFO L353 Elim1Store]: treesize reduction 9, result has 43.8 percent of original size [2022-01-19 15:24:25,521 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 19 treesize of output 11 [2022-01-19 15:24:26,289 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-19 15:24:26,289 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1293474589] provided 0 perfect and 2 imperfect interpolant sequences [2022-01-19 15:24:26,289 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-01-19 15:24:26,289 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 23, 18] total 41 [2022-01-19 15:24:26,289 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1758418517] [2022-01-19 15:24:26,289 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-01-19 15:24:26,290 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 41 states [2022-01-19 15:24:26,290 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-19 15:24:26,290 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 41 interpolants. [2022-01-19 15:24:26,291 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=160, Invalid=1480, Unknown=0, NotChecked=0, Total=1640 [2022-01-19 15:24:26,293 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 84 out of 239 [2022-01-19 15:24:26,294 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 481 places, 721 transitions, 5428 flow. Second operand has 41 states, 41 states have (on average 89.36585365853658) internal successors, (3664), 41 states have internal predecessors, (3664), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 15:24:26,294 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-01-19 15:24:26,294 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 84 of 239 [2022-01-19 15:24:26,295 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-01-19 15:24:57,656 INFO L129 PetriNetUnfolder]: 42077/86431 cut-off events. [2022-01-19 15:24:57,656 INFO L130 PetriNetUnfolder]: For 791262/791476 co-relation queries the response was YES. [2022-01-19 15:24:59,925 INFO L84 FinitePrefix]: Finished finitePrefix Result has 358774 conditions, 86431 events. 42077/86431 cut-off events. For 791262/791476 co-relation queries the response was YES. Maximal size of possible extension queue 1701. Compared 934951 event pairs, 5913 based on Foata normal form. 548/85631 useless extension candidates. Maximal degree in co-relation 358637. Up to 24010 conditions per place. [2022-01-19 15:25:00,208 INFO L132 encePairwiseOnDemand]: 170/239 looper letters, 2592 selfloop transitions, 1106 changer transitions 5/3780 dead transitions. [2022-01-19 15:25:00,209 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 669 places, 3780 transitions, 44498 flow [2022-01-19 15:25:00,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 189 states. [2022-01-19 15:25:00,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 189 states. [2022-01-19 15:25:00,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 189 states and 18459 transitions. [2022-01-19 15:25:00,224 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.4086471408647141 [2022-01-19 15:25:00,224 INFO L72 ComplementDD]: Start complementDD. Operand 189 states and 18459 transitions. [2022-01-19 15:25:00,224 INFO L73 IsDeterministic]: Start isDeterministic. Operand 189 states and 18459 transitions. [2022-01-19 15:25:00,228 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-01-19 15:25:00,228 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 189 states and 18459 transitions. [2022-01-19 15:25:00,245 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 190 states, 189 states have (on average 97.66666666666667) internal successors, (18459), 189 states have internal predecessors, (18459), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 15:25:00,273 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 190 states, 190 states have (on average 239.0) internal successors, (45410), 190 states have internal predecessors, (45410), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 15:25:00,280 INFO L81 ComplementDD]: Finished complementDD. Result has 190 states, 190 states have (on average 239.0) internal successors, (45410), 190 states have internal predecessors, (45410), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 15:25:00,280 INFO L186 Difference]: Start difference. First operand has 481 places, 721 transitions, 5428 flow. Second operand 189 states and 18459 transitions. [2022-01-19 15:25:00,280 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 669 places, 3780 transitions, 44498 flow [2022-01-19 15:25:07,263 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 666 places, 3780 transitions, 44143 flow, removed 3 selfloop flow, removed 3 redundant places. [2022-01-19 15:25:07,292 INFO L242 Difference]: Finished difference. Result has 796 places, 1713 transitions, 24991 flow [2022-01-19 15:25:07,293 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=239, PETRI_DIFFERENCE_MINUEND_FLOW=5329, PETRI_DIFFERENCE_MINUEND_PLACES=478, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=721, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=221, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=422, PETRI_DIFFERENCE_SUBTRAHEND_STATES=189, PETRI_FLOW=24991, PETRI_PLACES=796, PETRI_TRANSITIONS=1713} [2022-01-19 15:25:07,293 INFO L334 CegarLoopForPetriNet]: 214 programPoint places, 582 predicate places. [2022-01-19 15:25:07,293 INFO L470 AbstractCegarLoop]: Abstraction has has 796 places, 1713 transitions, 24991 flow [2022-01-19 15:25:07,294 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 41 states, 41 states have (on average 89.36585365853658) internal successors, (3664), 41 states have internal predecessors, (3664), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 15:25:07,294 INFO L246 CegarLoopForPetriNet]: Found error trace [2022-01-19 15:25:07,294 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-19 15:25:07,310 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2022-01-19 15:25:07,494 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-19 15:25:07,495 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-19 15:25:07,495 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-19 15:25:07,495 INFO L85 PathProgramCache]: Analyzing trace with hash -398221112, now seen corresponding path program 4 times [2022-01-19 15:25:07,495 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-19 15:25:07,495 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1805366830] [2022-01-19 15:25:07,495 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-19 15:25:07,495 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-19 15:25:07,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-19 15:25:07,642 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-01-19 15:25:07,643 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-19 15:25:07,643 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1805366830] [2022-01-19 15:25:07,643 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1805366830] provided 0 perfect and 1 imperfect interpolant sequences [2022-01-19 15:25:07,643 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [371288905] [2022-01-19 15:25:07,643 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-01-19 15:25:07,643 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-19 15:25:07,643 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-19 15:25:07,644 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) [2022-01-19 15:25:07,645 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-01-19 15:25:07,707 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-01-19 15:25:07,707 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-01-19 15:25:07,708 INFO L263 TraceCheckSpWp]: Trace formula consists of 249 conjuncts, 33 conjunts are in the unsatisfiable core [2022-01-19 15:25:07,710 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-19 15:25:08,162 INFO L353 Elim1Store]: treesize reduction 9, result has 25.0 percent of original size [2022-01-19 15:25:08,163 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 19 treesize of output 10 [2022-01-19 15:25:08,246 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-19 15:25:08,247 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-01-19 15:25:08,418 INFO L353 Elim1Store]: treesize reduction 9, result has 43.8 percent of original size [2022-01-19 15:25:08,419 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 19 treesize of output 11 [2022-01-19 15:25:09,062 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-19 15:25:09,062 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [371288905] provided 0 perfect and 2 imperfect interpolant sequences [2022-01-19 15:25:09,062 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-01-19 15:25:09,062 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 18, 18] total 34 [2022-01-19 15:25:09,062 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1154637977] [2022-01-19 15:25:09,062 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-01-19 15:25:09,064 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 34 states [2022-01-19 15:25:09,064 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-19 15:25:09,064 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2022-01-19 15:25:09,064 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=111, Invalid=1011, Unknown=0, NotChecked=0, Total=1122 [2022-01-19 15:25:09,066 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 91 out of 239 [2022-01-19 15:25:09,067 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 796 places, 1713 transitions, 24991 flow. Second operand has 34 states, 34 states have (on average 96.79411764705883) internal successors, (3291), 34 states have internal predecessors, (3291), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 15:25:09,067 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-01-19 15:25:09,067 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 91 of 239 [2022-01-19 15:25:09,067 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-01-19 15:26:08,783 INFO L129 PetriNetUnfolder]: 49520/100511 cut-off events. [2022-01-19 15:26:08,783 INFO L130 PetriNetUnfolder]: For 2534418/2534994 co-relation queries the response was YES. [2022-01-19 15:26:14,460 INFO L84 FinitePrefix]: Finished finitePrefix Result has 576400 conditions, 100511 events. 49520/100511 cut-off events. For 2534418/2534994 co-relation queries the response was YES. Maximal size of possible extension queue 2318. Compared 1102102 event pairs, 9188 based on Foata normal form. 760/99552 useless extension candidates. Maximal degree in co-relation 576133. Up to 30531 conditions per place. [2022-01-19 15:26:14,871 INFO L132 encePairwiseOnDemand]: 174/239 looper letters, 2530 selfloop transitions, 1349 changer transitions 4/3970 dead transitions. [2022-01-19 15:26:14,871 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 899 places, 3970 transitions, 69226 flow [2022-01-19 15:26:14,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 106 states. [2022-01-19 15:26:14,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 106 states. [2022-01-19 15:26:14,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 106 states and 11171 transitions. [2022-01-19 15:26:14,879 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.440948922396779 [2022-01-19 15:26:14,879 INFO L72 ComplementDD]: Start complementDD. Operand 106 states and 11171 transitions. [2022-01-19 15:26:14,879 INFO L73 IsDeterministic]: Start isDeterministic. Operand 106 states and 11171 transitions. [2022-01-19 15:26:14,881 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-01-19 15:26:14,881 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 106 states and 11171 transitions. [2022-01-19 15:26:14,891 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 107 states, 106 states have (on average 105.38679245283019) internal successors, (11171), 106 states have internal predecessors, (11171), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 15:26:14,907 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 107 states, 107 states have (on average 239.0) internal successors, (25573), 107 states have internal predecessors, (25573), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 15:26:14,910 INFO L81 ComplementDD]: Finished complementDD. Result has 107 states, 107 states have (on average 239.0) internal successors, (25573), 107 states have internal predecessors, (25573), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 15:26:14,911 INFO L186 Difference]: Start difference. First operand has 796 places, 1713 transitions, 24991 flow. Second operand 106 states and 11171 transitions. [2022-01-19 15:26:14,911 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 899 places, 3970 transitions, 69226 flow [2022-01-19 15:27:06,054 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 869 places, 3970 transitions, 54758 flow, removed 7043 selfloop flow, removed 30 redundant places. [2022-01-19 15:27:06,094 INFO L242 Difference]: Finished difference. Result has 928 places, 2451 transitions, 32802 flow [2022-01-19 15:27:06,095 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=239, PETRI_DIFFERENCE_MINUEND_FLOW=18088, PETRI_DIFFERENCE_MINUEND_PLACES=764, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1713, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=673, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=872, PETRI_DIFFERENCE_SUBTRAHEND_STATES=106, PETRI_FLOW=32802, PETRI_PLACES=928, PETRI_TRANSITIONS=2451} [2022-01-19 15:27:06,095 INFO L334 CegarLoopForPetriNet]: 214 programPoint places, 714 predicate places. [2022-01-19 15:27:06,096 INFO L470 AbstractCegarLoop]: Abstraction has has 928 places, 2451 transitions, 32802 flow [2022-01-19 15:27:06,096 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 34 states, 34 states have (on average 96.79411764705883) internal successors, (3291), 34 states have internal predecessors, (3291), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 15:27:06,096 INFO L246 CegarLoopForPetriNet]: Found error trace [2022-01-19 15:27:06,096 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-19 15:27:06,112 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-01-19 15:27:06,301 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,SelfDestructingSolverStorable14 [2022-01-19 15:27:06,301 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-19 15:27:06,301 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-19 15:27:06,301 INFO L85 PathProgramCache]: Analyzing trace with hash -1687088000, now seen corresponding path program 5 times [2022-01-19 15:27:06,301 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-19 15:27:06,302 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [106299190] [2022-01-19 15:27:06,302 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-19 15:27:06,302 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-19 15:27:06,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-19 15:27:06,468 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-01-19 15:27:06,468 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-19 15:27:06,469 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [106299190] [2022-01-19 15:27:06,469 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [106299190] provided 0 perfect and 1 imperfect interpolant sequences [2022-01-19 15:27:06,469 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1629144489] [2022-01-19 15:27:06,469 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2022-01-19 15:27:06,469 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-19 15:27:06,469 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-19 15:27:06,470 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) [2022-01-19 15:27:06,471 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-01-19 15:27:06,578 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-01-19 15:27:06,579 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-01-19 15:27:06,580 INFO L263 TraceCheckSpWp]: Trace formula consists of 277 conjuncts, 51 conjunts are in the unsatisfiable core [2022-01-19 15:27:06,582 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-19 15:27:06,930 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2022-01-19 15:27:07,177 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-01-19 15:27:07,311 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-19 15:27:07,312 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16 [2022-01-19 15:27:07,636 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-19 15:27:07,637 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-01-19 15:27:07,638 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 17 treesize of output 10 [2022-01-19 15:27:07,718 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-19 15:27:07,719 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-01-19 15:27:08,740 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-01-19 15:27:08,740 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 52 treesize of output 41 [2022-01-19 15:27:08,747 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-01-19 15:27:08,747 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 202 treesize of output 170 [2022-01-19 15:27:08,757 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 154 treesize of output 130 [2022-01-19 15:27:08,767 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-01-19 15:27:08,768 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 130 treesize of output 110 [2022-01-19 15:27:09,615 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-19 15:27:09,615 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1629144489] provided 0 perfect and 2 imperfect interpolant sequences [2022-01-19 15:27:09,616 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-01-19 15:27:09,616 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 27, 27] total 54 [2022-01-19 15:27:09,616 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [82337671] [2022-01-19 15:27:09,616 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-01-19 15:27:09,616 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 54 states [2022-01-19 15:27:09,616 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-19 15:27:09,617 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 54 interpolants. [2022-01-19 15:27:09,617 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=180, Invalid=2624, Unknown=58, NotChecked=0, Total=2862 [2022-01-19 15:27:09,619 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 77 out of 239 [2022-01-19 15:27:09,621 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 928 places, 2451 transitions, 32802 flow. Second operand has 54 states, 54 states have (on average 81.4074074074074) internal successors, (4396), 54 states have internal predecessors, (4396), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 15:27:09,621 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-01-19 15:27:09,621 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 77 of 239 [2022-01-19 15:27:09,621 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-01-19 15:28:56,379 INFO L129 PetriNetUnfolder]: 68539/141432 cut-off events. [2022-01-19 15:28:56,380 INFO L130 PetriNetUnfolder]: For 4142735/4143405 co-relation queries the response was YES. [2022-01-19 15:29:08,446 INFO L84 FinitePrefix]: Finished finitePrefix Result has 909870 conditions, 141432 events. 68539/141432 cut-off events. For 4142735/4143405 co-relation queries the response was YES. Maximal size of possible extension queue 3279. Compared 1650388 event pairs, 9272 based on Foata normal form. 588/139519 useless extension candidates. Maximal degree in co-relation 909547. Up to 45051 conditions per place. [2022-01-19 15:29:09,118 INFO L132 encePairwiseOnDemand]: 159/239 looper letters, 3753 selfloop transitions, 1885 changer transitions 5/5717 dead transitions. [2022-01-19 15:29:09,118 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1080 places, 5717 transitions, 93236 flow [2022-01-19 15:29:09,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 155 states. [2022-01-19 15:29:09,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 155 states. [2022-01-19 15:29:09,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 155 states and 14112 transitions. [2022-01-19 15:29:09,155 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.38094209744904844 [2022-01-19 15:29:09,155 INFO L72 ComplementDD]: Start complementDD. Operand 155 states and 14112 transitions. [2022-01-19 15:29:09,155 INFO L73 IsDeterministic]: Start isDeterministic. Operand 155 states and 14112 transitions. [2022-01-19 15:29:09,158 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-01-19 15:29:09,158 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 155 states and 14112 transitions. [2022-01-19 15:29:09,188 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 156 states, 155 states have (on average 91.04516129032258) internal successors, (14112), 155 states have internal predecessors, (14112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 15:29:09,244 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 156 states, 156 states have (on average 239.0) internal successors, (37284), 156 states have internal predecessors, (37284), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 15:29:09,250 INFO L81 ComplementDD]: Finished complementDD. Result has 156 states, 156 states have (on average 239.0) internal successors, (37284), 156 states have internal predecessors, (37284), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 15:29:09,251 INFO L186 Difference]: Start difference. First operand has 928 places, 2451 transitions, 32802 flow. Second operand 155 states and 14112 transitions. [2022-01-19 15:29:09,251 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1080 places, 5717 transitions, 93236 flow