/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/weaver/chl-sre-trans.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.repeated-lipton-8d0d62b [2022-12-06 05:14:08,652 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-06 05:14:08,654 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-06 05:14:08,686 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-06 05:14:08,687 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-06 05:14:08,689 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-06 05:14:08,690 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-06 05:14:08,692 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-06 05:14:08,693 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-06 05:14:08,694 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-06 05:14:08,695 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-06 05:14:08,697 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-06 05:14:08,698 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-06 05:14:08,702 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-06 05:14:08,704 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-06 05:14:08,706 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-06 05:14:08,707 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-06 05:14:08,708 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-06 05:14:08,709 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-06 05:14:08,711 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-06 05:14:08,712 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-06 05:14:08,714 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-06 05:14:08,716 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-06 05:14:08,727 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-06 05:14:08,730 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-06 05:14:08,730 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-06 05:14:08,730 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-06 05:14:08,731 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-06 05:14:08,732 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-06 05:14:08,732 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-06 05:14:08,733 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-06 05:14:08,734 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-06 05:14:08,735 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-06 05:14:08,736 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-06 05:14:08,737 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-06 05:14:08,737 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-06 05:14:08,737 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-06 05:14:08,738 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-06 05:14:08,738 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-06 05:14:08,738 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-06 05:14:08,739 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-06 05:14:08,740 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 05:14:08,779 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-06 05:14:08,779 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-06 05:14:08,780 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-06 05:14:08,781 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-06 05:14:08,781 INFO L138 SettingsManager]: * Use SBE=true [2022-12-06 05:14:08,781 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-06 05:14:08,782 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-06 05:14:08,782 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-06 05:14:08,782 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-06 05:14:08,782 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-06 05:14:08,782 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-06 05:14:08,782 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-06 05:14:08,783 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-06 05:14:08,783 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-06 05:14:08,783 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-06 05:14:08,783 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-06 05:14:08,783 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-06 05:14:08,783 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-06 05:14:08,784 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-06 05:14:08,784 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-12-06 05:14:08,784 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-06 05:14:08,784 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-06 05:14:08,784 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-06 05:14:08,784 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-06 05:14:08,785 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-06 05:14:08,785 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-06 05:14:08,785 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-06 05:14:08,785 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=REPEATED_LIPTON_PN [2022-12-06 05:14:08,785 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-12-06 05:14:09,094 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-06 05:14:09,117 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-06 05:14:09,119 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-06 05:14:09,120 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-06 05:14:09,120 INFO L275 PluginConnector]: CDTParser initialized [2022-12-06 05:14:09,121 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/chl-sre-trans.wvr.c [2022-12-06 05:14:10,306 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-06 05:14:10,513 INFO L351 CDTParser]: Found 1 translation units. [2022-12-06 05:14:10,514 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/chl-sre-trans.wvr.c [2022-12-06 05:14:10,519 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/164748dc9/a2fd529ee8e048668d285f18b84b4d42/FLAGc757cc677 [2022-12-06 05:14:10,533 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/164748dc9/a2fd529ee8e048668d285f18b84b4d42 [2022-12-06 05:14:10,535 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-06 05:14:10,537 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-12-06 05:14:10,538 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-06 05:14:10,538 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-06 05:14:10,542 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-06 05:14:10,543 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 05:14:10" (1/1) ... [2022-12-06 05:14:10,544 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@282a24e4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:14:10, skipping insertion in model container [2022-12-06 05:14:10,544 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 05:14:10" (1/1) ... [2022-12-06 05:14:10,550 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-06 05:14:10,570 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-06 05:14:10,745 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/chl-sre-trans.wvr.c[2272,2285] [2022-12-06 05:14:10,749 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-06 05:14:10,761 INFO L203 MainTranslator]: Completed pre-run [2022-12-06 05:14:10,796 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/chl-sre-trans.wvr.c[2272,2285] [2022-12-06 05:14:10,797 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-06 05:14:10,809 INFO L208 MainTranslator]: Completed translation [2022-12-06 05:14:10,810 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:14:10 WrapperNode [2022-12-06 05:14:10,810 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-06 05:14:10,811 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-06 05:14:10,811 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-06 05:14:10,812 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-06 05:14:10,818 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:14:10" (1/1) ... [2022-12-06 05:14:10,832 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:14:10" (1/1) ... [2022-12-06 05:14:10,853 INFO L138 Inliner]: procedures = 22, calls = 25, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 70 [2022-12-06 05:14:10,854 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-06 05:14:10,855 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-06 05:14:10,855 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-06 05:14:10,855 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-06 05:14:10,862 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:14:10" (1/1) ... [2022-12-06 05:14:10,862 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:14:10" (1/1) ... [2022-12-06 05:14:10,867 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:14:10" (1/1) ... [2022-12-06 05:14:10,867 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:14:10" (1/1) ... [2022-12-06 05:14:10,881 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:14:10" (1/1) ... [2022-12-06 05:14:10,883 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:14:10" (1/1) ... [2022-12-06 05:14:10,886 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:14:10" (1/1) ... [2022-12-06 05:14:10,887 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:14:10" (1/1) ... [2022-12-06 05:14:10,889 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-06 05:14:10,889 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-06 05:14:10,890 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-06 05:14:10,890 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-06 05:14:10,890 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:14:10" (1/1) ... [2022-12-06 05:14:10,895 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-06 05:14:10,910 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-12-06 05:14:10,925 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 05:14:10,946 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 05:14:10,970 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-06 05:14:10,970 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-12-06 05:14:10,970 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-12-06 05:14:10,970 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-12-06 05:14:10,970 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-12-06 05:14:10,970 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-12-06 05:14:10,971 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-12-06 05:14:10,971 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-06 05:14:10,971 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-06 05:14:10,971 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-06 05:14:10,971 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-06 05:14:10,971 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-06 05:14:10,971 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-06 05:14:10,971 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-06 05:14:10,973 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 05:14:11,051 INFO L236 CfgBuilder]: Building ICFG [2022-12-06 05:14:11,053 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-06 05:14:11,212 INFO L277 CfgBuilder]: Performing block encoding [2022-12-06 05:14:11,217 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-06 05:14:11,218 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-06 05:14:11,219 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 05:14:11 BoogieIcfgContainer [2022-12-06 05:14:11,219 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-06 05:14:11,221 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-06 05:14:11,221 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-06 05:14:11,223 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-06 05:14:11,223 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.12 05:14:10" (1/3) ... [2022-12-06 05:14:11,224 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@648b358e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.12 05:14:11, skipping insertion in model container [2022-12-06 05:14:11,224 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:14:10" (2/3) ... [2022-12-06 05:14:11,224 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@648b358e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.12 05:14:11, skipping insertion in model container [2022-12-06 05:14:11,224 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 05:14:11" (3/3) ... [2022-12-06 05:14:11,225 INFO L112 eAbstractionObserver]: Analyzing ICFG chl-sre-trans.wvr.c [2022-12-06 05:14:11,267 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-06 05:14:11,268 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-12-06 05:14:11,268 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-12-06 05:14:11,374 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2022-12-06 05:14:11,418 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 90 places, 81 transitions, 186 flow [2022-12-06 05:14:11,489 INFO L130 PetriNetUnfolder]: 1/78 cut-off events. [2022-12-06 05:14:11,490 INFO L131 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2022-12-06 05:14:11,497 INFO L83 FinitePrefix]: Finished finitePrefix Result has 91 conditions, 78 events. 1/78 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 2. Compared 20 event pairs, 0 based on Foata normal form. 0/76 useless extension candidates. Maximal degree in co-relation 33. Up to 2 conditions per place. [2022-12-06 05:14:11,497 INFO L82 GeneralOperation]: Start removeDead. Operand has 90 places, 81 transitions, 186 flow [2022-12-06 05:14:11,503 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 77 places, 68 transitions, 154 flow [2022-12-06 05:14:11,504 INFO L195 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-06 05:14:11,527 INFO L167 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 77 places, 68 transitions, 154 flow [2022-12-06 05:14:11,535 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 77 places, 68 transitions, 154 flow [2022-12-06 05:14:11,579 INFO L130 PetriNetUnfolder]: 1/68 cut-off events. [2022-12-06 05:14:11,579 INFO L131 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2022-12-06 05:14:11,580 INFO L83 FinitePrefix]: Finished finitePrefix Result has 81 conditions, 68 events. 1/68 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 2. Compared 19 event pairs, 0 based on Foata normal form. 0/67 useless extension candidates. Maximal degree in co-relation 23. Up to 2 conditions per place. [2022-12-06 05:14:11,581 INFO L184 LiptonReduction]: Starting Lipton reduction on Petri net that has 77 places, 68 transitions, 154 flow [2022-12-06 05:14:11,582 INFO L188 LiptonReduction]: Number of co-enabled transitions 270 [2022-12-06 05:14:14,113 INFO L203 LiptonReduction]: Total number of compositions: 52 [2022-12-06 05:14:14,126 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-06 05:14:14,131 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;@4b7987b0, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, Conditionality=CONDITIONAL_DISJUNCTIVE, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-06 05:14:14,131 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2022-12-06 05:14:14,135 INFO L130 PetriNetUnfolder]: 0/15 cut-off events. [2022-12-06 05:14:14,135 INFO L131 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2022-12-06 05:14:14,136 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-06 05:14:14,139 INFO L213 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-06 05:14:14,140 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2022-12-06 05:14:14,144 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-06 05:14:14,144 INFO L85 PathProgramCache]: Analyzing trace with hash -1713612685, now seen corresponding path program 1 times [2022-12-06 05:14:14,151 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-06 05:14:14,151 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [219438156] [2022-12-06 05:14:14,151 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-06 05:14:14,152 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-06 05:14:14,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-06 05:14:14,944 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 05:14:14,945 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-06 05:14:14,945 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [219438156] [2022-12-06 05:14:14,945 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [219438156] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-06 05:14:14,945 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-06 05:14:14,946 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-06 05:14:14,947 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1720961364] [2022-12-06 05:14:14,947 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-06 05:14:14,954 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-06 05:14:14,954 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-06 05:14:14,976 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-06 05:14:14,977 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-06 05:14:14,978 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 0 out of 16 [2022-12-06 05:14:14,979 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 26 places, 16 transitions, 50 flow. Second operand has 5 states, 4 states have (on average 4.0) internal successors, (16), 5 states have internal predecessors, (16), 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 05:14:14,979 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-06 05:14:14,979 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 0 of 16 [2022-12-06 05:14:14,980 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-06 05:14:15,239 INFO L130 PetriNetUnfolder]: 38/100 cut-off events. [2022-12-06 05:14:15,239 INFO L131 PetriNetUnfolder]: For 25/25 co-relation queries the response was YES. [2022-12-06 05:14:15,240 INFO L83 FinitePrefix]: Finished finitePrefix Result has 233 conditions, 100 events. 38/100 cut-off events. For 25/25 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 285 event pairs, 3 based on Foata normal form. 1/101 useless extension candidates. Maximal degree in co-relation 169. Up to 32 conditions per place. [2022-12-06 05:14:15,241 INFO L137 encePairwiseOnDemand]: 11/16 looper letters, 32 selfloop transitions, 5 changer transitions 7/44 dead transitions. [2022-12-06 05:14:15,241 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 31 places, 44 transitions, 224 flow [2022-12-06 05:14:15,243 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-06 05:14:15,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-12-06 05:14:15,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 45 transitions. [2022-12-06 05:14:15,251 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.46875 [2022-12-06 05:14:15,252 INFO L175 Difference]: Start difference. First operand has 26 places, 16 transitions, 50 flow. Second operand 6 states and 45 transitions. [2022-12-06 05:14:15,253 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 31 places, 44 transitions, 224 flow [2022-12-06 05:14:15,256 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 25 places, 44 transitions, 192 flow, removed 0 selfloop flow, removed 6 redundant places. [2022-12-06 05:14:15,257 INFO L231 Difference]: Finished difference. Result has 27 places, 18 transitions, 57 flow [2022-12-06 05:14:15,259 INFO L276 CegarLoopForPetriNet]: {PETRI_ALPHABET=16, PETRI_DIFFERENCE_MINUEND_FLOW=38, PETRI_DIFFERENCE_MINUEND_PLACES=20, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=16, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=13, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=57, PETRI_PLACES=27, PETRI_TRANSITIONS=18} [2022-12-06 05:14:15,261 INFO L294 CegarLoopForPetriNet]: 26 programPoint places, 1 predicate places. [2022-12-06 05:14:15,262 WARN L163 eatedLiptonReduction]: Counterexample is not a run of mAbstraction. Replaying acceptance of the word... [2022-12-06 05:14:15,262 INFO L89 Accepts]: Start accepts. Operand has 27 places, 18 transitions, 57 flow [2022-12-06 05:14:15,265 INFO L95 Accepts]: Finished accepts. [2022-12-06 05:14:15,265 INFO L195 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-06 05:14:15,265 INFO L167 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 27 places, 18 transitions, 57 flow [2022-12-06 05:14:15,267 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 26 places, 18 transitions, 57 flow [2022-12-06 05:14:15,271 INFO L130 PetriNetUnfolder]: 0/27 cut-off events. [2022-12-06 05:14:15,271 INFO L131 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2022-12-06 05:14:15,272 INFO L83 FinitePrefix]: Finished finitePrefix Result has 43 conditions, 27 events. 0/27 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 32 event pairs, 0 based on Foata normal form. 0/26 useless extension candidates. Maximal degree in co-relation 0. Up to 3 conditions per place. [2022-12-06 05:14:15,272 INFO L184 LiptonReduction]: Starting Lipton reduction on Petri net that has 26 places, 18 transitions, 57 flow [2022-12-06 05:14:15,272 INFO L188 LiptonReduction]: Number of co-enabled transitions 40 [2022-12-06 05:14:15,281 ERROR L112 fgCompositionFactory]: Composing non-subsequent actions: [221] $Ultimate##0-->thread3EXIT: Formula: (and (= |v_thread3Thread1of1ForFork0_#res.offset_7| 0) (= v_~result_5~0_16 (let ((.cse0 (not (= (mod v_~sponsored_2~0_21 256) 0)))) (ite (= (ite (not (= (mod v_~sponsored_0~0_19 256) 0)) 1 0) (ite .cse0 1 0)) 0 (ite .cse0 (- 1) 1)))) (= |v_thread3Thread1of1ForFork0_#res.base_7| 0)) InVars {~sponsored_0~0=v_~sponsored_0~0_19, ~sponsored_2~0=v_~sponsored_2~0_21} OutVars{~result_5~0=v_~result_5~0_16, thread3Thread1of1ForFork0_#res.offset=|v_thread3Thread1of1ForFork0_#res.offset_7|, thread3Thread1of1ForFork0_#res.base=|v_thread3Thread1of1ForFork0_#res.base_7|, ~sponsored_0~0=v_~sponsored_0~0_19, ~sponsored_2~0=v_~sponsored_2~0_21} AuxVars[] AssignedVars[~result_5~0, thread3Thread1of1ForFork0_#res.offset, thread3Thread1of1ForFork0_#res.base] and [220] $Ultimate##0-->thread1EXIT: Formula: (and (= |v_thread1Thread1of1ForFork1_#res.base_7| 0) (= |v_thread1Thread1of1ForFork1_#res.offset_7| 0) (= v_~result_3~0_10 (let ((.cse0 (not (= (mod v_~sponsored_1~0_23 256) 0)))) (ite (= (ite .cse0 1 0) (ite (not (= 0 (mod v_~sponsored_0~0_17 256))) 1 0)) 0 (ite .cse0 (- 1) 1))))) InVars {~sponsored_0~0=v_~sponsored_0~0_17, ~sponsored_1~0=v_~sponsored_1~0_23} OutVars{thread1Thread1of1ForFork1_#res.base=|v_thread1Thread1of1ForFork1_#res.base_7|, ~sponsored_0~0=v_~sponsored_0~0_17, ~sponsored_1~0=v_~sponsored_1~0_23, thread1Thread1of1ForFork1_#res.offset=|v_thread1Thread1of1ForFork1_#res.offset_7|, ~result_3~0=v_~result_3~0_10} AuxVars[] AssignedVars[thread1Thread1of1ForFork1_#res.base, thread1Thread1of1ForFork1_#res.offset, ~result_3~0] [2022-12-06 05:14:15,324 ERROR L112 fgCompositionFactory]: Composing non-subsequent actions: [221] $Ultimate##0-->thread3EXIT: Formula: (and (= |v_thread3Thread1of1ForFork0_#res.offset_7| 0) (= v_~result_5~0_16 (let ((.cse0 (not (= (mod v_~sponsored_2~0_21 256) 0)))) (ite (= (ite (not (= (mod v_~sponsored_0~0_19 256) 0)) 1 0) (ite .cse0 1 0)) 0 (ite .cse0 (- 1) 1)))) (= |v_thread3Thread1of1ForFork0_#res.base_7| 0)) InVars {~sponsored_0~0=v_~sponsored_0~0_19, ~sponsored_2~0=v_~sponsored_2~0_21} OutVars{~result_5~0=v_~result_5~0_16, thread3Thread1of1ForFork0_#res.offset=|v_thread3Thread1of1ForFork0_#res.offset_7|, thread3Thread1of1ForFork0_#res.base=|v_thread3Thread1of1ForFork0_#res.base_7|, ~sponsored_0~0=v_~sponsored_0~0_19, ~sponsored_2~0=v_~sponsored_2~0_21} AuxVars[] AssignedVars[~result_5~0, thread3Thread1of1ForFork0_#res.offset, thread3Thread1of1ForFork0_#res.base] and [220] $Ultimate##0-->thread1EXIT: Formula: (and (= |v_thread1Thread1of1ForFork1_#res.base_7| 0) (= |v_thread1Thread1of1ForFork1_#res.offset_7| 0) (= v_~result_3~0_10 (let ((.cse0 (not (= (mod v_~sponsored_1~0_23 256) 0)))) (ite (= (ite .cse0 1 0) (ite (not (= 0 (mod v_~sponsored_0~0_17 256))) 1 0)) 0 (ite .cse0 (- 1) 1))))) InVars {~sponsored_0~0=v_~sponsored_0~0_17, ~sponsored_1~0=v_~sponsored_1~0_23} OutVars{thread1Thread1of1ForFork1_#res.base=|v_thread1Thread1of1ForFork1_#res.base_7|, ~sponsored_0~0=v_~sponsored_0~0_17, ~sponsored_1~0=v_~sponsored_1~0_23, thread1Thread1of1ForFork1_#res.offset=|v_thread1Thread1of1ForFork1_#res.offset_7|, ~result_3~0=v_~result_3~0_10} AuxVars[] AssignedVars[thread1Thread1of1ForFork1_#res.base, thread1Thread1of1ForFork1_#res.offset, ~result_3~0] [2022-12-06 05:14:15,375 ERROR L799 SequenceRule]: Run adaptation not supported for post-scripts [2022-12-06 05:14:15,376 INFO L203 LiptonReduction]: Total number of compositions: 1 [2022-12-06 05:14:15,377 ERROR L123 eatedLiptonReduction]: Lipton reduction run adaptation of counterexample failed. [2022-12-06 05:14:15,377 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-06 05:14:15,378 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.AssertionError: Lipton reduction run adaptation failed, and the cached counterexample word contains letters no longer in the reduced abstraction's alphabet! at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.concurrency.CegarLoopForPetriNetWithRepeatedLiptonReduction.applyLargeBlockEncoding(CegarLoopForPetriNetWithRepeatedLiptonReduction.java:125) 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 05:14:15,383 INFO L158 Benchmark]: Toolchain (without parser) took 4845.80ms. Allocated memory was 178.3MB in the beginning and 213.9MB in the end (delta: 35.7MB). Free memory was 154.8MB in the beginning and 148.7MB in the end (delta: 6.1MB). Peak memory consumption was 42.2MB. Max. memory is 8.0GB. [2022-12-06 05:14:15,383 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 178.3MB. Free memory is still 155.5MB. There was no memory consumed. Max. memory is 8.0GB. [2022-12-06 05:14:15,383 INFO L158 Benchmark]: CACSL2BoogieTranslator took 272.60ms. Allocated memory is still 178.3MB. Free memory was 154.8MB in the beginning and 143.7MB in the end (delta: 11.0MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB. [2022-12-06 05:14:15,384 INFO L158 Benchmark]: Boogie Procedure Inliner took 42.92ms. Allocated memory is still 178.3MB. Free memory was 143.7MB in the beginning and 142.2MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-12-06 05:14:15,384 INFO L158 Benchmark]: Boogie Preprocessor took 34.31ms. Allocated memory is still 178.3MB. Free memory was 142.2MB in the beginning and 140.7MB in the end (delta: 1.5MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-12-06 05:14:15,385 INFO L158 Benchmark]: RCFGBuilder took 330.00ms. Allocated memory is still 178.3MB. Free memory was 140.7MB in the beginning and 128.5MB in the end (delta: 12.2MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. [2022-12-06 05:14:15,385 INFO L158 Benchmark]: TraceAbstraction took 4161.06ms. Allocated memory was 178.3MB in the beginning and 213.9MB in the end (delta: 35.7MB). Free memory was 127.5MB in the beginning and 148.7MB in the end (delta: -21.2MB). Peak memory consumption was 14.9MB. Max. memory is 8.0GB. [2022-12-06 05:14:15,388 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 178.3MB. Free memory is still 155.5MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 272.60ms. Allocated memory is still 178.3MB. Free memory was 154.8MB in the beginning and 143.7MB in the end (delta: 11.0MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 42.92ms. Allocated memory is still 178.3MB. Free memory was 143.7MB in the beginning and 142.2MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 34.31ms. Allocated memory is still 178.3MB. Free memory was 142.2MB in the beginning and 140.7MB in the end (delta: 1.5MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 330.00ms. Allocated memory is still 178.3MB. Free memory was 140.7MB in the beginning and 128.5MB in the end (delta: 12.2MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. * TraceAbstraction took 4161.06ms. Allocated memory was 178.3MB in the beginning and 213.9MB in the end (delta: 35.7MB). Free memory was 127.5MB in the beginning and 148.7MB in the end (delta: -21.2MB). Peak memory consumption was 14.9MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2.5s, 77 PlacesBefore, 26 PlacesAfterwards, 68 TransitionsBefore, 16 TransitionsAfterwards, 270 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 33 TrivialYvCompositions, 18 ConcurrentYvCompositions, 1 ChoiceCompositions, 52 TotalNumberOfCompositions, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 117, independent: 117, independent conditional: 117, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 117, independent: 117, independent conditional: 0, independent unconditional: 117, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 117, independent: 117, independent conditional: 0, independent unconditional: 117, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 117, independent: 117, independent conditional: 0, independent unconditional: 117, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 117, independent: 117, independent conditional: 0, independent unconditional: 117, 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: 117, independent: 117, independent conditional: 0, independent unconditional: 117, 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: 117, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 117, unknown conditional: 0, unknown unconditional: 117] , Statistics on independence cache: Total cache size (in pairs): 171, Positive cache size: 171, Positive conditional cache size: 0, Positive unconditional cache size: 171, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: -1 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 0.1s, 26 PlacesBefore, 25 PlacesAfterwards, 18 TransitionsBefore, 17 TransitionsAfterwards, 40 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 1 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 8, independent: 8, independent conditional: 8, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 8, independent: 8, independent conditional: 2, independent unconditional: 6, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 8, independent: 8, independent conditional: 2, independent unconditional: 6, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 8, independent: 8, independent conditional: 2, independent unconditional: 6, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 8, independent: 8, independent conditional: 2, independent unconditional: 6, 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: 8, independent: 8, independent conditional: 0, independent unconditional: 8, 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: 8, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 8, unknown conditional: 2, unknown unconditional: 6] , Statistics on independence cache: Total cache size (in pairs): 8, Positive cache size: 8, Positive conditional cache size: 2, Positive unconditional cache size: 6, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: 0 - ExceptionOrErrorResult: AssertionError: Lipton reduction run adaptation failed, and the cached counterexample word contains letters no longer in the reduced abstraction's alphabet! de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: AssertionError: Lipton reduction run adaptation failed, and the cached counterexample word contains letters no longer in the reduced abstraction's alphabet!: de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.concurrency.CegarLoopForPetriNetWithRepeatedLiptonReduction.applyLargeBlockEncoding(CegarLoopForPetriNetWithRepeatedLiptonReduction.java:125) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2022-12-06 05:14:15,412 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request...