/usr/bin/java -Xmx8000000000 -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-RepeatedSemanticLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-deagle/circular_buffer_bad.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.repeated-lipton-8d0d62b [2022-12-06 00:31:54,120 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-06 00:31:54,122 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-06 00:31:54,152 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-06 00:31:54,152 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-06 00:31:54,154 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-06 00:31:54,157 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-06 00:31:54,161 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-06 00:31:54,164 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-06 00:31:54,168 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-06 00:31:54,168 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-06 00:31:54,170 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-06 00:31:54,170 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-06 00:31:54,172 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-06 00:31:54,173 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-06 00:31:54,175 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-06 00:31:54,175 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-06 00:31:54,176 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-06 00:31:54,178 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-06 00:31:54,181 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-06 00:31:54,190 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-06 00:31:54,191 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-06 00:31:54,191 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-06 00:31:54,192 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-06 00:31:54,197 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-06 00:31:54,197 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-06 00:31:54,197 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-06 00:31:54,199 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-06 00:31:54,199 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-06 00:31:54,200 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-06 00:31:54,200 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-06 00:31:54,201 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-06 00:31:54,202 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-06 00:31:54,202 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-06 00:31:54,203 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-06 00:31:54,203 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-06 00:31:54,203 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-06 00:31:54,203 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-06 00:31:54,204 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-06 00:31:54,204 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-06 00:31:54,205 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-06 00:31:54,205 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-RepeatedSemanticLbe.epf [2022-12-06 00:31:54,230 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-06 00:31:54,231 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-06 00:31:54,232 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-06 00:31:54,232 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-06 00:31:54,232 INFO L138 SettingsManager]: * Use SBE=true [2022-12-06 00:31:54,233 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-06 00:31:54,233 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-06 00:31:54,233 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-06 00:31:54,233 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-06 00:31:54,233 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-06 00:31:54,234 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-06 00:31:54,234 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-06 00:31:54,234 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-06 00:31:54,234 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-06 00:31:54,234 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-06 00:31:54,234 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-06 00:31:54,234 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-06 00:31:54,235 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-06 00:31:54,235 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-06 00:31:54,235 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-12-06 00:31:54,235 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-06 00:31:54,235 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-06 00:31:54,235 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-06 00:31:54,235 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-06 00:31:54,235 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-06 00:31:54,235 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-06 00:31:54,235 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-06 00:31:54,236 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=REPEATED_LIPTON_PN [2022-12-06 00:31:54,236 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-12-06 00:31:54,521 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-06 00:31:54,534 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-06 00:31:54,537 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-06 00:31:54,538 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-06 00:31:54,538 INFO L275 PluginConnector]: CDTParser initialized [2022-12-06 00:31:54,539 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-deagle/circular_buffer_bad.i [2022-12-06 00:31:55,511 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-06 00:31:55,708 INFO L351 CDTParser]: Found 1 translation units. [2022-12-06 00:31:55,709 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-deagle/circular_buffer_bad.i [2022-12-06 00:31:55,721 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/13ade6852/76e2cacb28614eeba106ccd845603191/FLAG90c82eaeb [2022-12-06 00:31:55,735 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/13ade6852/76e2cacb28614eeba106ccd845603191 [2022-12-06 00:31:55,737 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-06 00:31:55,738 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-12-06 00:31:55,740 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-06 00:31:55,740 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-06 00:31:55,742 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-06 00:31:55,743 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 12:31:55" (1/1) ... [2022-12-06 00:31:55,743 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5062fcf3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:31:55, skipping insertion in model container [2022-12-06 00:31:55,744 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 12:31:55" (1/1) ... [2022-12-06 00:31:55,748 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-06 00:31:55,786 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-06 00:31:55,974 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-deagle/circular_buffer_bad.i[30440,30453] [2022-12-06 00:31:55,986 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-deagle/circular_buffer_bad.i[30895,30908] [2022-12-06 00:31:55,995 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-06 00:31:56,004 INFO L203 MainTranslator]: Completed pre-run [2022-12-06 00:31:56,045 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-deagle/circular_buffer_bad.i[30440,30453] [2022-12-06 00:31:56,047 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-deagle/circular_buffer_bad.i[30895,30908] [2022-12-06 00:31:56,050 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-06 00:31:56,088 INFO L208 MainTranslator]: Completed translation [2022-12-06 00:31:56,088 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:31:56 WrapperNode [2022-12-06 00:31:56,088 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-06 00:31:56,089 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-06 00:31:56,089 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-06 00:31:56,089 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-06 00:31:56,094 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:31:56" (1/1) ... [2022-12-06 00:31:56,104 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:31:56" (1/1) ... [2022-12-06 00:31:56,121 INFO L138 Inliner]: procedures = 168, calls = 36, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 135 [2022-12-06 00:31:56,121 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-06 00:31:56,122 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-06 00:31:56,122 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-06 00:31:56,122 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-06 00:31:56,129 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:31:56" (1/1) ... [2022-12-06 00:31:56,129 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:31:56" (1/1) ... [2022-12-06 00:31:56,135 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:31:56" (1/1) ... [2022-12-06 00:31:56,135 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:31:56" (1/1) ... [2022-12-06 00:31:56,140 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:31:56" (1/1) ... [2022-12-06 00:31:56,142 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:31:56" (1/1) ... [2022-12-06 00:31:56,148 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:31:56" (1/1) ... [2022-12-06 00:31:56,148 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:31:56" (1/1) ... [2022-12-06 00:31:56,150 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-06 00:31:56,151 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-06 00:31:56,151 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-06 00:31:56,151 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-06 00:31:56,152 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:31:56" (1/1) ... [2022-12-06 00:31:56,155 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-06 00:31:56,164 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-12-06 00:31:56,174 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) [2022-12-06 00:31:56,201 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 [2022-12-06 00:31:56,223 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-06 00:31:56,223 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2022-12-06 00:31:56,223 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2022-12-06 00:31:56,223 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2022-12-06 00:31:56,223 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2022-12-06 00:31:56,223 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-06 00:31:56,223 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-12-06 00:31:56,223 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-06 00:31:56,224 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-06 00:31:56,224 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-06 00:31:56,224 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-12-06 00:31:56,224 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-06 00:31:56,224 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-06 00:31:56,224 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-06 00:31:56,225 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2022-12-06 00:31:56,400 INFO L236 CfgBuilder]: Building ICFG [2022-12-06 00:31:56,402 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-06 00:31:56,677 INFO L277 CfgBuilder]: Performing block encoding [2022-12-06 00:31:56,684 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-06 00:31:56,685 INFO L302 CfgBuilder]: Removed 2 assume(true) statements. [2022-12-06 00:31:56,687 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 12:31:56 BoogieIcfgContainer [2022-12-06 00:31:56,687 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-06 00:31:56,688 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-06 00:31:56,689 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-06 00:31:56,693 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-06 00:31:56,694 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.12 12:31:55" (1/3) ... [2022-12-06 00:31:56,694 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@156df255 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.12 12:31:56, skipping insertion in model container [2022-12-06 00:31:56,694 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:31:56" (2/3) ... [2022-12-06 00:31:56,694 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@156df255 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.12 12:31:56, skipping insertion in model container [2022-12-06 00:31:56,695 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 12:31:56" (3/3) ... [2022-12-06 00:31:56,696 INFO L112 eAbstractionObserver]: Analyzing ICFG circular_buffer_bad.i [2022-12-06 00:31:56,713 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-06 00:31:56,713 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-12-06 00:31:56,713 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-12-06 00:31:56,809 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2022-12-06 00:31:56,855 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 137 places, 140 transitions, 296 flow [2022-12-06 00:31:56,927 INFO L130 PetriNetUnfolder]: 10/138 cut-off events. [2022-12-06 00:31:56,927 INFO L131 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2022-12-06 00:31:56,934 INFO L83 FinitePrefix]: Finished finitePrefix Result has 147 conditions, 138 events. 10/138 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 251 event pairs, 0 based on Foata normal form. 0/126 useless extension candidates. Maximal degree in co-relation 86. Up to 2 conditions per place. [2022-12-06 00:31:56,934 INFO L82 GeneralOperation]: Start removeDead. Operand has 137 places, 140 transitions, 296 flow [2022-12-06 00:31:56,944 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 126 places, 129 transitions, 267 flow [2022-12-06 00:31:56,946 INFO L195 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-06 00:31:56,974 INFO L167 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 126 places, 129 transitions, 267 flow [2022-12-06 00:31:56,980 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 126 places, 129 transitions, 267 flow [2022-12-06 00:31:57,026 INFO L130 PetriNetUnfolder]: 10/129 cut-off events. [2022-12-06 00:31:57,026 INFO L131 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2022-12-06 00:31:57,028 INFO L83 FinitePrefix]: Finished finitePrefix Result has 137 conditions, 129 events. 10/129 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 235 event pairs, 0 based on Foata normal form. 0/117 useless extension candidates. Maximal degree in co-relation 86. Up to 2 conditions per place. [2022-12-06 00:31:57,031 INFO L184 LiptonReduction]: Starting Lipton reduction on Petri net that has 126 places, 129 transitions, 267 flow [2022-12-06 00:31:57,032 INFO L188 LiptonReduction]: Number of co-enabled transitions 3840 [2022-12-06 00:31:57,291 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 00:31:57,329 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 00:31:57,333 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 00:31:57,334 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 00:31:57,464 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 00:31:57,465 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 00:31:57,466 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 00:31:57,467 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 00:31:57,509 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 00:31:57,509 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 00:31:57,512 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 00:31:57,512 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 00:31:57,515 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 00:31:57,516 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 00:31:57,518 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 00:31:57,519 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 00:31:57,613 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 00:31:57,614 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 00:31:57,616 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 00:31:57,616 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 00:31:58,033 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 00:31:58,035 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 00:31:58,036 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 00:31:58,037 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 00:32:00,917 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 00:32:00,918 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 00:32:00,920 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 00:32:00,920 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 00:32:01,192 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 00:32:01,193 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 00:32:01,195 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 00:32:01,196 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 00:32:02,233 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 00:32:02,234 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 00:32:02,236 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 00:32:02,237 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 00:32:02,239 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 00:32:02,240 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 00:32:02,241 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 00:32:02,242 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 00:32:02,374 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 00:32:02,374 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 00:32:02,377 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 00:32:02,378 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 00:32:02,965 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 00:32:02,966 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 00:32:02,969 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 00:32:02,969 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 00:32:03,391 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 00:32:03,391 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 00:32:03,395 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 00:32:03,395 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 00:32:04,688 INFO L203 LiptonReduction]: Total number of compositions: 103 [2022-12-06 00:32:04,697 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-06 00:32:04,701 INFO L357 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=REPEATED_LIPTON_PN, 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, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@521d3154, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, Conditionality=CONDITIONAL_DISJUNCTIVE, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-06 00:32:04,701 INFO L358 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2022-12-06 00:32:04,703 INFO L130 PetriNetUnfolder]: 2/12 cut-off events. [2022-12-06 00:32:04,703 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-06 00:32:04,704 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-06 00:32:04,704 INFO L213 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1] [2022-12-06 00:32:04,704 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting t1Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-12-06 00:32:04,707 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-06 00:32:04,707 INFO L85 PathProgramCache]: Analyzing trace with hash 17023990, now seen corresponding path program 1 times [2022-12-06 00:32:04,712 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-06 00:32:04,712 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1537154749] [2022-12-06 00:32:04,713 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-06 00:32:04,713 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-06 00:32:04,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-06 00:32:04,838 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-06 00:32:04,838 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-06 00:32:04,838 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1537154749] [2022-12-06 00:32:04,839 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1537154749] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-06 00:32:04,839 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-06 00:32:04,839 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-12-06 00:32:04,840 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [186356116] [2022-12-06 00:32:04,855 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-06 00:32:04,863 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-12-06 00:32:04,863 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-06 00:32:04,878 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-12-06 00:32:04,883 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-12-06 00:32:04,883 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 5 out of 36 [2022-12-06 00:32:04,885 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 35 places, 36 transitions, 81 flow. Second operand has 2 states, 2 states have (on average 7.0) internal successors, (14), 2 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-06 00:32:04,885 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-06 00:32:04,885 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 5 of 36 [2022-12-06 00:32:04,886 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-06 00:32:05,010 INFO L130 PetriNetUnfolder]: 318/510 cut-off events. [2022-12-06 00:32:05,011 INFO L131 PetriNetUnfolder]: For 30/30 co-relation queries the response was YES. [2022-12-06 00:32:05,013 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1009 conditions, 510 events. 318/510 cut-off events. For 30/30 co-relation queries the response was YES. Maximal size of possible extension queue 42. Compared 1877 event pairs, 213 based on Foata normal form. 0/378 useless extension candidates. Maximal degree in co-relation 913. Up to 469 conditions per place. [2022-12-06 00:32:05,016 INFO L137 encePairwiseOnDemand]: 31/36 looper letters, 26 selfloop transitions, 0 changer transitions 0/31 dead transitions. [2022-12-06 00:32:05,017 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 33 places, 31 transitions, 123 flow [2022-12-06 00:32:05,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-06 00:32:05,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2022-12-06 00:32:05,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 41 transitions. [2022-12-06 00:32:05,024 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.5694444444444444 [2022-12-06 00:32:05,025 INFO L175 Difference]: Start difference. First operand has 35 places, 36 transitions, 81 flow. Second operand 2 states and 41 transitions. [2022-12-06 00:32:05,026 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 33 places, 31 transitions, 123 flow [2022-12-06 00:32:05,027 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 30 places, 31 transitions, 118 flow, removed 0 selfloop flow, removed 3 redundant places. [2022-12-06 00:32:05,029 INFO L231 Difference]: Finished difference. Result has 30 places, 31 transitions, 66 flow [2022-12-06 00:32:05,030 INFO L276 CegarLoopForPetriNet]: {PETRI_ALPHABET=36, PETRI_DIFFERENCE_MINUEND_FLOW=66, PETRI_DIFFERENCE_MINUEND_PLACES=29, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=31, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=31, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=66, PETRI_PLACES=30, PETRI_TRANSITIONS=31} [2022-12-06 00:32:05,033 INFO L294 CegarLoopForPetriNet]: 35 programPoint places, -5 predicate places. [2022-12-06 00:32:05,033 WARN L163 eatedLiptonReduction]: Counterexample is not a run of mAbstraction. Replaying acceptance of the word... [2022-12-06 00:32:05,034 INFO L89 Accepts]: Start accepts. Operand has 30 places, 31 transitions, 66 flow [2022-12-06 00:32:05,036 INFO L95 Accepts]: Finished accepts. [2022-12-06 00:32:05,036 INFO L195 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-06 00:32:05,036 INFO L167 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 30 places, 31 transitions, 66 flow [2022-12-06 00:32:05,044 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 29 places, 31 transitions, 66 flow [2022-12-06 00:32:05,046 INFO L130 PetriNetUnfolder]: 6/31 cut-off events. [2022-12-06 00:32:05,046 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-06 00:32:05,047 INFO L83 FinitePrefix]: Finished finitePrefix Result has 35 conditions, 31 events. 6/31 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 80 event pairs, 0 based on Foata normal form. 0/21 useless extension candidates. Maximal degree in co-relation 27. Up to 2 conditions per place. [2022-12-06 00:32:05,047 INFO L184 LiptonReduction]: Starting Lipton reduction on Petri net that has 29 places, 31 transitions, 66 flow [2022-12-06 00:32:05,047 INFO L188 LiptonReduction]: Number of co-enabled transitions 432 [2022-12-06 00:32:09,489 INFO L203 LiptonReduction]: Total number of compositions: 0 [2022-12-06 00:32:09,490 INFO L143 eatedLiptonReduction]: Time needed for LBE in milliseconds: 4457 [2022-12-06 00:32:09,491 INFO L495 AbstractCegarLoop]: Abstraction has has 29 places, 31 transitions, 66 flow [2022-12-06 00:32:09,491 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 7.0) internal successors, (14), 2 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-06 00:32:09,491 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-06 00:32:09,491 INFO L213 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-12-06 00:32:09,491 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-06 00:32:09,491 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting t2Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-12-06 00:32:09,491 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-06 00:32:09,491 INFO L85 PathProgramCache]: Analyzing trace with hash -1736105108, now seen corresponding path program 1 times [2022-12-06 00:32:09,492 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-06 00:32:09,492 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [85346268] [2022-12-06 00:32:09,492 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-06 00:32:09,492 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-06 00:32:09,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-06 00:32:09,629 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-06 00:32:09,629 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-06 00:32:09,629 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [85346268] [2022-12-06 00:32:09,629 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [85346268] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-06 00:32:09,629 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-06 00:32:09,629 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-06 00:32:09,629 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1656312972] [2022-12-06 00:32:09,629 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-06 00:32:09,630 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-06 00:32:09,630 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-06 00:32:09,630 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-06 00:32:09,631 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-06 00:32:09,631 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 4 out of 31 [2022-12-06 00:32:09,631 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 29 places, 31 transitions, 66 flow. Second operand has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-06 00:32:09,631 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-06 00:32:09,631 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 4 of 31 [2022-12-06 00:32:09,631 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-06 00:32:09,718 INFO L130 PetriNetUnfolder]: 461/787 cut-off events. [2022-12-06 00:32:09,719 INFO L131 PetriNetUnfolder]: For 6/6 co-relation queries the response was YES. [2022-12-06 00:32:09,719 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1560 conditions, 787 events. 461/787 cut-off events. For 6/6 co-relation queries the response was YES. Maximal size of possible extension queue 41. Compared 3008 event pairs, 166 based on Foata normal form. 18/603 useless extension candidates. Maximal degree in co-relation 1329. Up to 434 conditions per place. [2022-12-06 00:32:09,721 INFO L137 encePairwiseOnDemand]: 26/31 looper letters, 41 selfloop transitions, 3 changer transitions 2/50 dead transitions. [2022-12-06 00:32:09,722 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 31 places, 50 transitions, 199 flow [2022-12-06 00:32:09,722 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-06 00:32:09,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-12-06 00:32:09,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 60 transitions. [2022-12-06 00:32:09,724 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.6451612903225806 [2022-12-06 00:32:09,724 INFO L175 Difference]: Start difference. First operand has 29 places, 31 transitions, 66 flow. Second operand 3 states and 60 transitions. [2022-12-06 00:32:09,724 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 31 places, 50 transitions, 199 flow [2022-12-06 00:32:09,724 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 31 places, 50 transitions, 199 flow, removed 0 selfloop flow, removed 0 redundant places. [2022-12-06 00:32:09,725 INFO L231 Difference]: Finished difference. Result has 32 places, 31 transitions, 81 flow [2022-12-06 00:32:09,725 INFO L276 CegarLoopForPetriNet]: {PETRI_ALPHABET=31, PETRI_DIFFERENCE_MINUEND_FLOW=66, PETRI_DIFFERENCE_MINUEND_PLACES=29, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=31, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=28, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=81, PETRI_PLACES=32, PETRI_TRANSITIONS=31} [2022-12-06 00:32:09,726 INFO L294 CegarLoopForPetriNet]: 35 programPoint places, -3 predicate places. [2022-12-06 00:32:09,726 WARN L163 eatedLiptonReduction]: Counterexample is not a run of mAbstraction. Replaying acceptance of the word... [2022-12-06 00:32:09,726 INFO L89 Accepts]: Start accepts. Operand has 32 places, 31 transitions, 81 flow [2022-12-06 00:32:09,726 INFO L95 Accepts]: Finished accepts. [2022-12-06 00:32:09,726 INFO L195 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-06 00:32:09,726 INFO L167 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 32 places, 31 transitions, 81 flow [2022-12-06 00:32:09,727 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 31 places, 31 transitions, 81 flow [2022-12-06 00:32:09,732 INFO L130 PetriNetUnfolder]: 15/65 cut-off events. [2022-12-06 00:32:09,732 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-06 00:32:09,732 INFO L83 FinitePrefix]: Finished finitePrefix Result has 85 conditions, 65 events. 15/65 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 147 event pairs, 0 based on Foata normal form. 0/44 useless extension candidates. Maximal degree in co-relation 74. Up to 11 conditions per place. [2022-12-06 00:32:09,733 INFO L184 LiptonReduction]: Starting Lipton reduction on Petri net that has 31 places, 31 transitions, 81 flow [2022-12-06 00:32:09,733 INFO L188 LiptonReduction]: Number of co-enabled transitions 402 [2022-12-06 00:32:09,735 INFO L203 LiptonReduction]: Total number of compositions: 0 [2022-12-06 00:32:09,736 INFO L143 eatedLiptonReduction]: Time needed for LBE in milliseconds: 10 [2022-12-06 00:32:09,736 INFO L495 AbstractCegarLoop]: Abstraction has has 31 places, 31 transitions, 81 flow [2022-12-06 00:32:09,736 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-06 00:32:09,736 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-06 00:32:09,736 INFO L213 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-06 00:32:09,736 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-06 00:32:09,736 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting t2Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-12-06 00:32:09,737 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-06 00:32:09,737 INFO L85 PathProgramCache]: Analyzing trace with hash -1920141982, now seen corresponding path program 1 times [2022-12-06 00:32:09,737 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-06 00:32:09,737 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [989913560] [2022-12-06 00:32:09,737 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-06 00:32:09,737 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-06 00:32:09,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-06 00:32:09,872 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-06 00:32:09,872 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-06 00:32:09,872 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [989913560] [2022-12-06 00:32:09,872 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [989913560] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-06 00:32:09,872 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-06 00:32:09,872 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-06 00:32:09,873 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1296136084] [2022-12-06 00:32:09,873 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-06 00:32:09,873 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-06 00:32:09,873 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-06 00:32:09,873 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-06 00:32:09,873 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-06 00:32:09,873 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 5 out of 30 [2022-12-06 00:32:09,874 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 31 places, 31 transitions, 81 flow. Second operand has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-06 00:32:09,874 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-06 00:32:09,874 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 5 of 30 [2022-12-06 00:32:09,874 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-06 00:32:09,943 INFO L130 PetriNetUnfolder]: 193/366 cut-off events. [2022-12-06 00:32:09,943 INFO L131 PetriNetUnfolder]: For 8/8 co-relation queries the response was YES. [2022-12-06 00:32:09,944 INFO L83 FinitePrefix]: Finished finitePrefix Result has 762 conditions, 366 events. 193/366 cut-off events. For 8/8 co-relation queries the response was YES. Maximal size of possible extension queue 23. Compared 1358 event pairs, 29 based on Foata normal form. 18/328 useless extension candidates. Maximal degree in co-relation 542. Up to 238 conditions per place. [2022-12-06 00:32:09,945 INFO L137 encePairwiseOnDemand]: 24/30 looper letters, 27 selfloop transitions, 6 changer transitions 0/39 dead transitions. [2022-12-06 00:32:09,945 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 33 places, 39 transitions, 166 flow [2022-12-06 00:32:09,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-06 00:32:09,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-12-06 00:32:09,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 52 transitions. [2022-12-06 00:32:09,950 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.5777777777777777 [2022-12-06 00:32:09,950 INFO L175 Difference]: Start difference. First operand has 31 places, 31 transitions, 81 flow. Second operand 3 states and 52 transitions. [2022-12-06 00:32:09,950 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 33 places, 39 transitions, 166 flow [2022-12-06 00:32:09,951 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 32 places, 39 transitions, 163 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-12-06 00:32:09,952 INFO L231 Difference]: Finished difference. Result has 32 places, 31 transitions, 90 flow [2022-12-06 00:32:09,952 INFO L276 CegarLoopForPetriNet]: {PETRI_ALPHABET=30, PETRI_DIFFERENCE_MINUEND_FLOW=78, PETRI_DIFFERENCE_MINUEND_PLACES=30, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=31, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=25, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=90, PETRI_PLACES=32, PETRI_TRANSITIONS=31} [2022-12-06 00:32:09,953 INFO L294 CegarLoopForPetriNet]: 35 programPoint places, -3 predicate places. [2022-12-06 00:32:09,953 WARN L163 eatedLiptonReduction]: Counterexample is not a run of mAbstraction. Replaying acceptance of the word... [2022-12-06 00:32:09,953 INFO L89 Accepts]: Start accepts. Operand has 32 places, 31 transitions, 90 flow [2022-12-06 00:32:09,954 INFO L95 Accepts]: Finished accepts. [2022-12-06 00:32:09,954 INFO L195 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-06 00:32:09,954 INFO L167 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 32 places, 31 transitions, 90 flow [2022-12-06 00:32:09,955 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 32 places, 31 transitions, 90 flow [2022-12-06 00:32:09,959 INFO L130 PetriNetUnfolder]: 16/71 cut-off events. [2022-12-06 00:32:09,959 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-06 00:32:09,959 INFO L83 FinitePrefix]: Finished finitePrefix Result has 108 conditions, 71 events. 16/71 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 176 event pairs, 0 based on Foata normal form. 0/52 useless extension candidates. Maximal degree in co-relation 97. Up to 16 conditions per place. [2022-12-06 00:32:09,960 INFO L184 LiptonReduction]: Starting Lipton reduction on Petri net that has 32 places, 31 transitions, 90 flow [2022-12-06 00:32:09,960 INFO L188 LiptonReduction]: Number of co-enabled transitions 238 [2022-12-06 00:32:10,400 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 00:32:10,400 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 00:32:10,402 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 00:32:10,403 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 00:32:10,406 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 00:32:10,407 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 00:32:10,410 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 00:32:10,411 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 00:32:10,720 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-12-06 00:32:10,721 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.IndexOutOfBoundsException: Index 11 out of bounds for length 11 at java.base/jdk.internal.util.Preconditions.outOfBounds(Preconditions.java:64) at java.base/jdk.internal.util.Preconditions.outOfBoundsCheckIndex(Preconditions.java:70) at java.base/jdk.internal.util.Preconditions.checkIndex(Preconditions.java:248) at java.base/java.util.Objects.checkIndex(Objects.java:372) at java.base/java.util.ArrayList.get(ArrayList.java:459) at de.uni_freiburg.informatik.ultimate.automata.petrinet.PetriNetRun.getTransition(PetriNetRun.java:125) at de.uni_freiburg.informatik.ultimate.automata.partialorder.ChoiceRule.adaptRun(ChoiceRule.java:163) at de.uni_freiburg.informatik.ultimate.automata.partialorder.ChoiceRule.applyInternal(ChoiceRule.java:115) at de.uni_freiburg.informatik.ultimate.automata.partialorder.ReductionRule.apply(ReductionRule.java:80) at de.uni_freiburg.informatik.ultimate.automata.partialorder.LiptonReduction.choiceRuleWrapper(LiptonReduction.java:239) at de.uni_freiburg.informatik.ultimate.automata.partialorder.LiptonReduction.performReduction(LiptonReduction.java:200) at de.uni_freiburg.informatik.ultimate.automata.partialorder.LiptonReduction.(LiptonReduction.java:143) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.petrinetlbe.PetriNetLargeBlockEncoding.(PetriNetLargeBlockEncoding.java:174) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.concurrency.CegarLoopForPetriNetWithRepeatedLiptonReduction.applyLargeBlockEncoding(CegarLoopForPetriNetWithRepeatedLiptonReduction.java:106) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.concurrency.CegarLoopForPetriNetWithRepeatedLiptonReduction.refineAbstraction(CegarLoopForPetriNetWithRepeatedLiptonReduction.java:97) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.refineAbstractionInternal(AbstractCegarLoop.java:487) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:438) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:366) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:348) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:415) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:302) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseConcurrentProgram(TraceAbstractionStarter.java:225) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:173) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:154) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:124) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2022-12-06 00:32:10,723 INFO L158 Benchmark]: Toolchain (without parser) took 14985.26ms. Allocated memory was 182.5MB in the beginning and 324.0MB in the end (delta: 141.6MB). Free memory was 144.7MB in the beginning and 249.0MB in the end (delta: -104.2MB). Peak memory consumption was 142.7MB. Max. memory is 8.0GB. [2022-12-06 00:32:10,724 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 182.5MB. Free memory is still 159.2MB. There was no memory consumed. Max. memory is 8.0GB. [2022-12-06 00:32:10,724 INFO L158 Benchmark]: CACSL2BoogieTranslator took 348.65ms. Allocated memory is still 182.5MB. Free memory was 144.7MB in the beginning and 124.8MB in the end (delta: 19.9MB). Peak memory consumption was 18.9MB. Max. memory is 8.0GB. [2022-12-06 00:32:10,724 INFO L158 Benchmark]: Boogie Procedure Inliner took 32.29ms. Allocated memory is still 182.5MB. Free memory was 124.3MB in the beginning and 122.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-12-06 00:32:10,724 INFO L158 Benchmark]: Boogie Preprocessor took 28.39ms. Allocated memory is still 182.5MB. Free memory was 122.2MB in the beginning and 120.6MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-12-06 00:32:10,725 INFO L158 Benchmark]: RCFGBuilder took 535.91ms. Allocated memory is still 182.5MB. Free memory was 120.1MB in the beginning and 102.8MB in the end (delta: 17.3MB). Peak memory consumption was 16.8MB. Max. memory is 8.0GB. [2022-12-06 00:32:10,725 INFO L158 Benchmark]: TraceAbstraction took 14034.45ms. Allocated memory was 182.5MB in the beginning and 324.0MB in the end (delta: 141.6MB). Free memory was 102.3MB in the beginning and 249.0MB in the end (delta: -146.7MB). Peak memory consumption was 99.7MB. Max. memory is 8.0GB. [2022-12-06 00:32:10,726 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10ms. Allocated memory is still 182.5MB. Free memory is still 159.2MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 348.65ms. Allocated memory is still 182.5MB. Free memory was 144.7MB in the beginning and 124.8MB in the end (delta: 19.9MB). Peak memory consumption was 18.9MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 32.29ms. Allocated memory is still 182.5MB. Free memory was 124.3MB in the beginning and 122.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 28.39ms. Allocated memory is still 182.5MB. Free memory was 122.2MB in the beginning and 120.6MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 535.91ms. Allocated memory is still 182.5MB. Free memory was 120.1MB in the beginning and 102.8MB in the end (delta: 17.3MB). Peak memory consumption was 16.8MB. Max. memory is 8.0GB. * TraceAbstraction took 14034.45ms. Allocated memory was 182.5MB in the beginning and 324.0MB in the end (delta: 141.6MB). Free memory was 102.3MB in the beginning and 249.0MB in the end (delta: -146.7MB). Peak memory consumption was 99.7MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 7.7s, 126 PlacesBefore, 35 PlacesAfterwards, 129 TransitionsBefore, 36 TransitionsAfterwards, 3840 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 4 ConcurrentSequentialCompositions, 41 TrivialYvCompositions, 56 ConcurrentYvCompositions, 2 ChoiceCompositions, 103 TotalNumberOfCompositions, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 3325, independent: 3262, independent conditional: 3262, independent unconditional: 0, dependent: 59, dependent conditional: 59, dependent unconditional: 0, unknown: 4, unknown conditional: 4, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 3325, independent: 3262, independent conditional: 0, independent unconditional: 3262, dependent: 59, dependent conditional: 0, dependent unconditional: 59, unknown: 4, unknown conditional: 0, unknown unconditional: 4] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 3325, independent: 3262, independent conditional: 0, independent unconditional: 3262, dependent: 59, dependent conditional: 0, dependent unconditional: 59, unknown: 4, unknown conditional: 0, unknown unconditional: 4] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 3325, independent: 3262, independent conditional: 0, independent unconditional: 3262, dependent: 59, dependent conditional: 0, dependent unconditional: 59, unknown: 4, unknown conditional: 0, unknown unconditional: 4] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2519, independent: 2484, independent conditional: 0, independent unconditional: 2484, dependent: 34, dependent conditional: 0, dependent unconditional: 34, unknown: 1, unknown conditional: 0, unknown unconditional: 1] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 2519, independent: 2424, independent conditional: 0, independent unconditional: 2424, dependent: 95, dependent conditional: 0, dependent unconditional: 95, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 95, independent: 60, independent conditional: 0, independent unconditional: 60, dependent: 34, dependent conditional: 0, dependent unconditional: 34, unknown: 1, unknown conditional: 0, unknown unconditional: 1] , SemanticIndependenceRelation.Query Time [ms]: [ total: 2297, independent: 60, independent conditional: 0, independent unconditional: 60, dependent: 90, dependent conditional: 0, dependent unconditional: 90, unknown: 2147, unknown conditional: 0, unknown unconditional: 2147] ], Cache Queries: [ total: 3325, independent: 778, independent conditional: 0, independent unconditional: 778, dependent: 25, dependent conditional: 0, dependent unconditional: 25, unknown: 2522, unknown conditional: 0, unknown unconditional: 2522] , Statistics on independence cache: Total cache size (in pairs): 4653, Positive cache size: 4619, Positive conditional cache size: 0, Positive unconditional cache size: 4619, Negative cache size: 34, Negative conditional cache size: 0, Negative unconditional cache size: 34, Unknown cache size: 1, Unknown conditional cache size: 0, Unknown unconditional cache size: 1, Eliminated conditions: 0, Maximal queried relation: -1 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 4.4s, 29 PlacesBefore, 29 PlacesAfterwards, 31 TransitionsBefore, 31 TransitionsAfterwards, 432 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 204, independent: 180, independent conditional: 180, independent unconditional: 0, dependent: 22, dependent conditional: 22, dependent unconditional: 0, unknown: 2, unknown conditional: 2, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 204, independent: 180, independent conditional: 0, independent unconditional: 180, dependent: 22, dependent conditional: 0, dependent unconditional: 22, unknown: 2, unknown conditional: 0, unknown unconditional: 2] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 204, independent: 180, independent conditional: 0, independent unconditional: 180, dependent: 22, dependent conditional: 0, dependent unconditional: 22, unknown: 2, unknown conditional: 0, unknown unconditional: 2] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 204, independent: 180, independent conditional: 0, independent unconditional: 180, dependent: 22, dependent conditional: 0, dependent unconditional: 22, unknown: 2, unknown conditional: 0, unknown unconditional: 2] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 162, independent: 145, independent conditional: 0, independent unconditional: 145, dependent: 15, dependent conditional: 0, dependent unconditional: 15, unknown: 2, unknown conditional: 0, unknown unconditional: 2] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 162, independent: 135, independent conditional: 0, independent unconditional: 135, dependent: 27, dependent conditional: 0, dependent unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 27, independent: 10, independent conditional: 0, independent unconditional: 10, dependent: 15, dependent conditional: 0, dependent unconditional: 15, unknown: 2, unknown conditional: 0, unknown unconditional: 2] , SemanticIndependenceRelation.Query Time [ms]: [ total: 4439, independent: 6, independent conditional: 0, independent unconditional: 6, dependent: 129, dependent conditional: 0, dependent unconditional: 129, unknown: 4304, unknown conditional: 0, unknown unconditional: 4304] ], Cache Queries: [ total: 204, independent: 35, independent conditional: 0, independent unconditional: 35, dependent: 7, dependent conditional: 0, dependent unconditional: 7, unknown: 162, unknown conditional: 0, unknown unconditional: 162] , Statistics on independence cache: Total cache size (in pairs): 160, Positive cache size: 145, Positive conditional cache size: 0, Positive unconditional cache size: 145, Negative cache size: 15, Negative conditional cache size: 0, Negative unconditional cache size: 15, Unknown cache size: 2, Unknown conditional cache size: 0, Unknown unconditional cache size: 2, Eliminated conditions: 0, Maximal queried relation: -1 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 0.0s, 31 PlacesBefore, 31 PlacesAfterwards, 31 TransitionsBefore, 31 TransitionsAfterwards, 402 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 86, independent: 72, independent conditional: 72, independent unconditional: 0, dependent: 12, dependent conditional: 12, dependent unconditional: 0, unknown: 2, unknown conditional: 2, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 86, independent: 72, independent conditional: 0, independent unconditional: 72, dependent: 12, dependent conditional: 0, dependent unconditional: 12, unknown: 2, unknown conditional: 0, unknown unconditional: 2] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 86, independent: 72, independent conditional: 0, independent unconditional: 72, dependent: 12, dependent conditional: 0, dependent unconditional: 12, unknown: 2, unknown conditional: 0, unknown unconditional: 2] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 86, independent: 72, independent conditional: 0, independent unconditional: 72, dependent: 12, dependent conditional: 0, dependent unconditional: 12, unknown: 2, unknown conditional: 0, unknown unconditional: 2] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1, independent: 1, independent conditional: 0, independent unconditional: 1, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1, independent: 1, independent conditional: 0, independent unconditional: 1, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 86, independent: 71, independent conditional: 0, independent unconditional: 71, dependent: 12, dependent conditional: 0, dependent unconditional: 12, unknown: 3, unknown conditional: 0, unknown unconditional: 3] , Statistics on independence cache: Total cache size (in pairs): 161, Positive cache size: 146, Positive conditional cache size: 0, Positive unconditional cache size: 146, Negative cache size: 15, Negative conditional cache size: 0, Negative unconditional cache size: 15, Unknown cache size: 2, Unknown conditional cache size: 0, Unknown unconditional cache size: 2, Eliminated conditions: 0, Maximal queried relation: -1 - ExceptionOrErrorResult: IndexOutOfBoundsException: Index 11 out of bounds for length 11 de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: IndexOutOfBoundsException: Index 11 out of bounds for length 11: java.base/jdk.internal.util.Preconditions.outOfBounds(Preconditions.java:64) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2022-12-06 00:32:10,800 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...