/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-RepeatedSemanticLbeWithPredicates.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 05:47:43,673 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-06 05:47:43,675 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-06 05:47:43,712 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-06 05:47:43,712 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-06 05:47:43,715 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-06 05:47:43,718 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-06 05:47:43,722 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-06 05:47:43,726 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-06 05:47:43,730 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-06 05:47:43,731 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-06 05:47:43,733 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-06 05:47:43,733 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-06 05:47:43,735 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-06 05:47:43,738 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-06 05:47:43,741 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-06 05:47:43,741 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-06 05:47:43,742 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-06 05:47:43,745 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-06 05:47:43,751 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-06 05:47:43,752 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-06 05:47:43,753 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-06 05:47:43,754 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-06 05:47:43,754 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-06 05:47:43,761 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-06 05:47:43,761 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-06 05:47:43,761 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-06 05:47:43,763 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-06 05:47:43,763 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-06 05:47:43,764 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-06 05:47:43,765 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-06 05:47:43,766 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-06 05:47:43,767 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-06 05:47:43,767 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-06 05:47:43,768 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-06 05:47:43,768 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-06 05:47:43,769 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-06 05:47:43,769 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-06 05:47:43,769 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-06 05:47:43,770 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-06 05:47:43,770 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-06 05:47:43,774 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-RepeatedSemanticLbeWithPredicates.epf [2022-12-06 05:47:43,818 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-06 05:47:43,819 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-06 05:47:43,820 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-06 05:47:43,821 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-06 05:47:43,821 INFO L138 SettingsManager]: * Use SBE=true [2022-12-06 05:47:43,821 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-06 05:47:43,822 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-06 05:47:43,822 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-06 05:47:43,822 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-06 05:47:43,822 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-06 05:47:43,823 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-06 05:47:43,823 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-06 05:47:43,823 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-06 05:47:43,823 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-06 05:47:43,823 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-06 05:47:43,823 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-06 05:47:43,823 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-06 05:47:43,824 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-06 05:47:43,824 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-06 05:47:43,824 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-12-06 05:47:43,824 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-06 05:47:43,824 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-06 05:47:43,824 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-06 05:47:43,824 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-06 05:47:43,825 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-06 05:47:43,825 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-06 05:47:43,825 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-06 05:47:43,825 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=REPEATED_LIPTON_PN [2022-12-06 05:47:43,825 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-12-06 05:47:44,097 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-06 05:47:44,122 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-06 05:47:44,124 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-06 05:47:44,125 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-06 05:47:44,125 INFO L275 PluginConnector]: CDTParser initialized [2022-12-06 05:47:44,126 INFO L432 ainManager$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 05:47:45,294 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-06 05:47:45,561 INFO L351 CDTParser]: Found 1 translation units. [2022-12-06 05:47:45,561 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-deagle/circular_buffer_bad.i [2022-12-06 05:47:45,580 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4ea21bf29/3fbf755d169649dcb7ea9a102cd6b257/FLAG1243d8372 [2022-12-06 05:47:45,593 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4ea21bf29/3fbf755d169649dcb7ea9a102cd6b257 [2022-12-06 05:47:45,595 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-06 05:47:45,596 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-12-06 05:47:45,597 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-06 05:47:45,597 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-06 05:47:45,599 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-06 05:47:45,600 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 05:47:45" (1/1) ... [2022-12-06 05:47:45,600 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@59e05f2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:47:45, skipping insertion in model container [2022-12-06 05:47:45,601 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 05:47:45" (1/1) ... [2022-12-06 05:47:45,608 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-06 05:47:45,660 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-06 05:47:45,931 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 05:47:45,943 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 05:47:45,954 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-06 05:47:45,966 INFO L203 MainTranslator]: Completed pre-run [2022-12-06 05:47:46,006 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 05:47:46,009 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 05:47:46,012 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-06 05:47:46,046 INFO L208 MainTranslator]: Completed translation [2022-12-06 05:47:46,047 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:47:46 WrapperNode [2022-12-06 05:47:46,048 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-06 05:47:46,049 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-06 05:47:46,049 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-06 05:47:46,049 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-06 05:47:46,055 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:47:46" (1/1) ... [2022-12-06 05:47:46,089 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:47:46" (1/1) ... [2022-12-06 05:47:46,121 INFO L138 Inliner]: procedures = 168, calls = 36, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 135 [2022-12-06 05:47:46,121 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-06 05:47:46,123 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-06 05:47:46,123 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-06 05:47:46,123 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-06 05:47:46,130 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:47:46" (1/1) ... [2022-12-06 05:47:46,130 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:47:46" (1/1) ... [2022-12-06 05:47:46,151 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:47:46" (1/1) ... [2022-12-06 05:47:46,152 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:47:46" (1/1) ... [2022-12-06 05:47:46,157 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:47:46" (1/1) ... [2022-12-06 05:47:46,160 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:47:46" (1/1) ... [2022-12-06 05:47:46,162 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:47:46" (1/1) ... [2022-12-06 05:47:46,163 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:47:46" (1/1) ... [2022-12-06 05:47:46,165 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-06 05:47:46,166 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-06 05:47:46,166 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-06 05:47:46,166 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-06 05:47:46,167 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:47:46" (1/1) ... [2022-12-06 05:47:46,182 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-06 05:47:46,196 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-12-06 05:47:46,213 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 05:47:46,234 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 05:47:46,251 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-06 05:47:46,252 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2022-12-06 05:47:46,252 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2022-12-06 05:47:46,252 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2022-12-06 05:47:46,252 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2022-12-06 05:47:46,252 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-06 05:47:46,252 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-12-06 05:47:46,252 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-06 05:47:46,252 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-06 05:47:46,252 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-06 05:47:46,253 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-12-06 05:47:46,253 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-06 05:47:46,253 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-06 05:47:46,253 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-06 05:47:46,254 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 05:47:46,368 INFO L236 CfgBuilder]: Building ICFG [2022-12-06 05:47:46,370 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-06 05:47:46,593 INFO L277 CfgBuilder]: Performing block encoding [2022-12-06 05:47:46,604 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-06 05:47:46,604 INFO L302 CfgBuilder]: Removed 2 assume(true) statements. [2022-12-06 05:47:46,606 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 05:47:46 BoogieIcfgContainer [2022-12-06 05:47:46,606 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-06 05:47:46,608 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-06 05:47:46,608 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-06 05:47:46,611 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-06 05:47:46,611 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.12 05:47:45" (1/3) ... [2022-12-06 05:47:46,616 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3a76edee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.12 05:47:46, skipping insertion in model container [2022-12-06 05:47:46,616 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:47:46" (2/3) ... [2022-12-06 05:47:46,616 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3a76edee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.12 05:47:46, skipping insertion in model container [2022-12-06 05:47:46,616 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 05:47:46" (3/3) ... [2022-12-06 05:47:46,617 INFO L112 eAbstractionObserver]: Analyzing ICFG circular_buffer_bad.i [2022-12-06 05:47:46,631 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-06 05:47:46,631 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-12-06 05:47:46,631 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-12-06 05:47:46,761 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2022-12-06 05:47:46,794 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 137 places, 140 transitions, 296 flow [2022-12-06 05:47:46,890 INFO L130 PetriNetUnfolder]: 10/138 cut-off events. [2022-12-06 05:47:46,890 INFO L131 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2022-12-06 05:47:46,897 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 05:47:46,898 INFO L82 GeneralOperation]: Start removeDead. Operand has 137 places, 140 transitions, 296 flow [2022-12-06 05:47:46,902 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 126 places, 129 transitions, 267 flow [2022-12-06 05:47:46,904 INFO L195 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-06 05:47:46,920 INFO L167 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 126 places, 129 transitions, 267 flow [2022-12-06 05:47:46,925 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 126 places, 129 transitions, 267 flow [2022-12-06 05:47:46,966 INFO L130 PetriNetUnfolder]: 10/129 cut-off events. [2022-12-06 05:47:46,967 INFO L131 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2022-12-06 05:47:46,968 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 05:47:46,973 INFO L184 LiptonReduction]: Starting Lipton reduction on Petri net that has 126 places, 129 transitions, 267 flow [2022-12-06 05:47:46,973 INFO L188 LiptonReduction]: Number of co-enabled transitions 3840 [2022-12-06 05:47:47,386 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 05:47:47,388 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 05:47:47,392 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 05:47:47,393 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 05:47:47,617 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 05:47:47,618 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 05:47:47,627 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 05:47:47,628 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 05:47:47,711 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 05:47:47,712 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 05:47:47,716 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 05:47:47,716 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 05:47:47,720 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 05:47:47,721 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 05:47:47,724 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 05:47:47,725 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 05:47:47,835 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 05:47:47,836 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 05:47:47,839 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 05:47:47,840 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 05:47:48,272 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 05:47:48,274 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 05:47:48,276 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 05:47:48,277 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 05:47:51,226 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 05:47:51,227 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 05:47:51,229 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 05:47:51,230 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 05:47:51,588 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 05:47:51,589 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 05:47:51,590 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 05:47:51,591 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 05:47:52,787 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 05:47:52,788 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 05:47:52,791 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 05:47:52,791 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 05:47:52,794 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 05:47:52,794 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 05:47:52,796 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 05:47:52,797 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 05:47:52,972 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 05:47:52,973 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 05:47:52,977 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 05:47:52,977 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 05:47:53,705 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 05:47:53,706 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 05:47:53,716 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 05:47:53,717 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 05:47:54,210 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 05:47:54,211 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 05:47:54,215 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 05:47:54,216 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 05:47:55,791 INFO L203 LiptonReduction]: Total number of compositions: 103 [2022-12-06 05:47:55,814 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-06 05:47:55,818 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;@1d3a9655, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, Conditionality=CONDITIONAL_DISJUNCTIVE, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-06 05:47:55,818 INFO L358 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2022-12-06 05:47:55,839 INFO L130 PetriNetUnfolder]: 2/12 cut-off events. [2022-12-06 05:47:55,839 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-06 05:47:55,839 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-06 05:47:55,840 INFO L213 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1] [2022-12-06 05:47:55,840 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 05:47:55,844 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-06 05:47:55,844 INFO L85 PathProgramCache]: Analyzing trace with hash 17023990, now seen corresponding path program 1 times [2022-12-06 05:47:55,853 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-06 05:47:55,854 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1368474035] [2022-12-06 05:47:55,854 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-06 05:47:55,858 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-06 05:47:55,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-06 05:47:56,029 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 05:47:56,030 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-06 05:47:56,030 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1368474035] [2022-12-06 05:47:56,031 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1368474035] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-06 05:47:56,031 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-06 05:47:56,031 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-12-06 05:47:56,033 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1623820427] [2022-12-06 05:47:56,034 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-06 05:47:56,041 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-12-06 05:47:56,042 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-06 05:47:56,068 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-12-06 05:47:56,075 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-12-06 05:47:56,076 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 5 out of 36 [2022-12-06 05:47:56,077 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 05:47:56,078 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-06 05:47:56,078 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 5 of 36 [2022-12-06 05:47:56,078 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-06 05:47:56,213 INFO L130 PetriNetUnfolder]: 318/510 cut-off events. [2022-12-06 05:47:56,213 INFO L131 PetriNetUnfolder]: For 30/30 co-relation queries the response was YES. [2022-12-06 05:47:56,218 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 05:47:56,223 INFO L137 encePairwiseOnDemand]: 31/36 looper letters, 26 selfloop transitions, 0 changer transitions 0/31 dead transitions. [2022-12-06 05:47:56,223 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 33 places, 31 transitions, 123 flow [2022-12-06 05:47:56,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-06 05:47:56,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2022-12-06 05:47:56,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 41 transitions. [2022-12-06 05:47:56,233 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.5694444444444444 [2022-12-06 05:47:56,235 INFO L175 Difference]: Start difference. First operand has 35 places, 36 transitions, 81 flow. Second operand 2 states and 41 transitions. [2022-12-06 05:47:56,235 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 33 places, 31 transitions, 123 flow [2022-12-06 05:47:56,237 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 05:47:56,241 INFO L231 Difference]: Finished difference. Result has 30 places, 31 transitions, 66 flow [2022-12-06 05:47:56,242 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 05:47:56,246 INFO L294 CegarLoopForPetriNet]: 35 programPoint places, -5 predicate places. [2022-12-06 05:47:56,246 WARN L163 eatedLiptonReduction]: Counterexample is not a run of mAbstraction. Replaying acceptance of the word... [2022-12-06 05:47:56,246 INFO L89 Accepts]: Start accepts. Operand has 30 places, 31 transitions, 66 flow [2022-12-06 05:47:56,248 INFO L95 Accepts]: Finished accepts. [2022-12-06 05:47:56,248 INFO L195 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-06 05:47:56,249 INFO L167 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 30 places, 31 transitions, 66 flow [2022-12-06 05:47:56,251 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 29 places, 31 transitions, 66 flow [2022-12-06 05:47:56,256 INFO L130 PetriNetUnfolder]: 6/31 cut-off events. [2022-12-06 05:47:56,257 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-06 05:47:56,257 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 05:47:56,257 INFO L184 LiptonReduction]: Starting Lipton reduction on Petri net that has 29 places, 31 transitions, 66 flow [2022-12-06 05:47:56,257 INFO L188 LiptonReduction]: Number of co-enabled transitions 432 [2022-12-06 05:48:00,730 INFO L203 LiptonReduction]: Total number of compositions: 0 [2022-12-06 05:48:00,732 INFO L143 eatedLiptonReduction]: Time needed for LBE in milliseconds: 4486 [2022-12-06 05:48:00,732 INFO L495 AbstractCegarLoop]: Abstraction has has 29 places, 31 transitions, 66 flow [2022-12-06 05:48:00,732 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 05:48:00,732 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-06 05:48:00,732 INFO L213 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-12-06 05:48:00,733 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-06 05:48:00,733 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 05:48:00,733 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-06 05:48:00,733 INFO L85 PathProgramCache]: Analyzing trace with hash -1736105108, now seen corresponding path program 1 times [2022-12-06 05:48:00,733 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-06 05:48:00,734 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [694214774] [2022-12-06 05:48:00,734 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-06 05:48:00,734 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-06 05:48:00,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-06 05:48:00,957 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 05:48:00,958 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-06 05:48:00,958 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [694214774] [2022-12-06 05:48:00,958 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [694214774] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-06 05:48:00,958 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-06 05:48:00,958 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-06 05:48:00,958 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1083158004] [2022-12-06 05:48:00,958 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-06 05:48:00,959 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-06 05:48:00,960 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-06 05:48:00,960 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-06 05:48:00,960 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-06 05:48:00,960 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 4 out of 31 [2022-12-06 05:48:00,961 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 05:48:00,961 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-06 05:48:00,961 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 4 of 31 [2022-12-06 05:48:00,961 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-06 05:48:01,088 INFO L130 PetriNetUnfolder]: 461/787 cut-off events. [2022-12-06 05:48:01,089 INFO L131 PetriNetUnfolder]: For 6/6 co-relation queries the response was YES. [2022-12-06 05:48:01,090 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 05:48:01,093 INFO L137 encePairwiseOnDemand]: 26/31 looper letters, 41 selfloop transitions, 3 changer transitions 2/50 dead transitions. [2022-12-06 05:48:01,094 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 31 places, 50 transitions, 199 flow [2022-12-06 05:48:01,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-06 05:48:01,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-12-06 05:48:01,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 60 transitions. [2022-12-06 05:48:01,096 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.6451612903225806 [2022-12-06 05:48:01,096 INFO L175 Difference]: Start difference. First operand has 29 places, 31 transitions, 66 flow. Second operand 3 states and 60 transitions. [2022-12-06 05:48:01,096 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 31 places, 50 transitions, 199 flow [2022-12-06 05:48:01,097 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 05:48:01,099 INFO L231 Difference]: Finished difference. Result has 32 places, 31 transitions, 81 flow [2022-12-06 05:48:01,099 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 05:48:01,099 INFO L294 CegarLoopForPetriNet]: 35 programPoint places, -3 predicate places. [2022-12-06 05:48:01,100 WARN L163 eatedLiptonReduction]: Counterexample is not a run of mAbstraction. Replaying acceptance of the word... [2022-12-06 05:48:01,100 INFO L89 Accepts]: Start accepts. Operand has 32 places, 31 transitions, 81 flow [2022-12-06 05:48:01,100 INFO L95 Accepts]: Finished accepts. [2022-12-06 05:48:01,100 INFO L195 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-06 05:48:01,101 INFO L167 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 32 places, 31 transitions, 81 flow [2022-12-06 05:48:01,101 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 31 places, 31 transitions, 81 flow [2022-12-06 05:48:01,109 INFO L130 PetriNetUnfolder]: 15/65 cut-off events. [2022-12-06 05:48:01,109 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-06 05:48:01,110 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 05:48:01,111 INFO L184 LiptonReduction]: Starting Lipton reduction on Petri net that has 31 places, 31 transitions, 81 flow [2022-12-06 05:48:01,111 INFO L188 LiptonReduction]: Number of co-enabled transitions 402 [2022-12-06 05:48:01,114 INFO L203 LiptonReduction]: Total number of compositions: 0 [2022-12-06 05:48:01,115 INFO L143 eatedLiptonReduction]: Time needed for LBE in milliseconds: 15 [2022-12-06 05:48:01,115 INFO L495 AbstractCegarLoop]: Abstraction has has 31 places, 31 transitions, 81 flow [2022-12-06 05:48:01,115 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 05:48:01,115 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-06 05:48:01,116 INFO L213 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-06 05:48:01,116 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-06 05:48:01,116 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 05:48:01,116 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-06 05:48:01,117 INFO L85 PathProgramCache]: Analyzing trace with hash -1920141982, now seen corresponding path program 1 times [2022-12-06 05:48:01,117 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-06 05:48:01,117 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [601876771] [2022-12-06 05:48:01,117 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-06 05:48:01,117 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-06 05:48:01,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-06 05:48:01,288 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 05:48:01,288 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-06 05:48:01,288 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [601876771] [2022-12-06 05:48:01,288 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [601876771] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-06 05:48:01,288 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-06 05:48:01,289 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-06 05:48:01,289 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [414009254] [2022-12-06 05:48:01,289 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-06 05:48:01,290 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-06 05:48:01,292 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-06 05:48:01,293 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-06 05:48:01,293 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-06 05:48:01,293 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 5 out of 30 [2022-12-06 05:48:01,293 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 05:48:01,293 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-06 05:48:01,293 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 5 of 30 [2022-12-06 05:48:01,294 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-06 05:48:01,385 INFO L130 PetriNetUnfolder]: 193/366 cut-off events. [2022-12-06 05:48:01,385 INFO L131 PetriNetUnfolder]: For 8/8 co-relation queries the response was YES. [2022-12-06 05:48:01,387 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 05:48:01,388 INFO L137 encePairwiseOnDemand]: 24/30 looper letters, 27 selfloop transitions, 6 changer transitions 0/39 dead transitions. [2022-12-06 05:48:01,391 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 33 places, 39 transitions, 166 flow [2022-12-06 05:48:01,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-06 05:48:01,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-12-06 05:48:01,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 52 transitions. [2022-12-06 05:48:01,395 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.5777777777777777 [2022-12-06 05:48:01,395 INFO L175 Difference]: Start difference. First operand has 31 places, 31 transitions, 81 flow. Second operand 3 states and 52 transitions. [2022-12-06 05:48:01,395 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 33 places, 39 transitions, 166 flow [2022-12-06 05:48:01,396 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 05:48:01,397 INFO L231 Difference]: Finished difference. Result has 32 places, 31 transitions, 90 flow [2022-12-06 05:48:01,397 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 05:48:01,398 INFO L294 CegarLoopForPetriNet]: 35 programPoint places, -3 predicate places. [2022-12-06 05:48:01,398 WARN L163 eatedLiptonReduction]: Counterexample is not a run of mAbstraction. Replaying acceptance of the word... [2022-12-06 05:48:01,398 INFO L89 Accepts]: Start accepts. Operand has 32 places, 31 transitions, 90 flow [2022-12-06 05:48:01,399 INFO L95 Accepts]: Finished accepts. [2022-12-06 05:48:01,399 INFO L195 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-06 05:48:01,399 INFO L167 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 32 places, 31 transitions, 90 flow [2022-12-06 05:48:01,400 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 32 places, 31 transitions, 90 flow [2022-12-06 05:48:01,407 INFO L130 PetriNetUnfolder]: 16/71 cut-off events. [2022-12-06 05:48:01,407 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-06 05:48:01,407 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 05:48:01,411 INFO L184 LiptonReduction]: Starting Lipton reduction on Petri net that has 32 places, 31 transitions, 90 flow [2022-12-06 05:48:01,411 INFO L188 LiptonReduction]: Number of co-enabled transitions 238 [2022-12-06 05:48:01,932 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 05:48:01,933 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 05:48:01,935 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 05:48:01,936 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 05:48:01,939 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 05:48:01,939 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 05:48:01,942 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 05:48:01,942 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 05:48:02,312 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-12-06 05:48:02,312 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 05:48:02,315 INFO L158 Benchmark]: Toolchain (without parser) took 16719.30ms. Allocated memory was 179.3MB in the beginning and 216.0MB in the end (delta: 36.7MB). Free memory was 154.7MB in the beginning and 83.3MB in the end (delta: 71.3MB). Peak memory consumption was 109.3MB. Max. memory is 8.0GB. [2022-12-06 05:48:02,315 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 179.3MB. Free memory is still 156.6MB. There was no memory consumed. Max. memory is 8.0GB. [2022-12-06 05:48:02,316 INFO L158 Benchmark]: CACSL2BoogieTranslator took 450.96ms. Allocated memory is still 179.3MB. Free memory was 154.4MB in the beginning and 133.9MB in the end (delta: 20.5MB). Peak memory consumption was 21.0MB. Max. memory is 8.0GB. [2022-12-06 05:48:02,316 INFO L158 Benchmark]: Boogie Procedure Inliner took 72.89ms. Allocated memory is still 179.3MB. Free memory was 133.9MB in the beginning and 131.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-12-06 05:48:02,316 INFO L158 Benchmark]: Boogie Preprocessor took 42.64ms. Allocated memory is still 179.3MB. Free memory was 131.8MB in the beginning and 129.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-12-06 05:48:02,317 INFO L158 Benchmark]: RCFGBuilder took 440.31ms. Allocated memory is still 179.3MB. Free memory was 129.7MB in the beginning and 112.4MB in the end (delta: 17.3MB). Peak memory consumption was 16.8MB. Max. memory is 8.0GB. [2022-12-06 05:48:02,317 INFO L158 Benchmark]: TraceAbstraction took 15706.88ms. Allocated memory was 179.3MB in the beginning and 216.0MB in the end (delta: 36.7MB). Free memory was 111.9MB in the beginning and 83.3MB in the end (delta: 28.6MB). Peak memory consumption was 66.3MB. Max. memory is 8.0GB. [2022-12-06 05:48:02,318 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 179.3MB. Free memory is still 156.6MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 450.96ms. Allocated memory is still 179.3MB. Free memory was 154.4MB in the beginning and 133.9MB in the end (delta: 20.5MB). Peak memory consumption was 21.0MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 72.89ms. Allocated memory is still 179.3MB. Free memory was 133.9MB in the beginning and 131.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 42.64ms. Allocated memory is still 179.3MB. Free memory was 131.8MB in the beginning and 129.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 440.31ms. Allocated memory is still 179.3MB. Free memory was 129.7MB in the beginning and 112.4MB in the end (delta: 17.3MB). Peak memory consumption was 16.8MB. Max. memory is 8.0GB. * TraceAbstraction took 15706.88ms. Allocated memory was 179.3MB in the beginning and 216.0MB in the end (delta: 36.7MB). Free memory was 111.9MB in the beginning and 83.3MB in the end (delta: 28.6MB). Peak memory consumption was 66.3MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 8.8s, 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: 2363, independent: 77, independent conditional: 0, independent unconditional: 77, dependent: 143, dependent conditional: 0, dependent unconditional: 143, unknown: 2143, unknown conditional: 0, unknown unconditional: 2143] ], 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: 4.5s, 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: 4469, independent: 8, independent conditional: 0, independent unconditional: 8, dependent: 149, dependent conditional: 0, dependent unconditional: 149, unknown: 4312, unknown conditional: 0, unknown unconditional: 4312] ], 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 05:48:02,389 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...