/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-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/goblint-regression/36-apron_17-traces-rpb-litmus_unknown_1_neg.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.repeated-lipton-a802222-m [2022-12-11 19:15:16,890 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-11 19:15:16,892 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-11 19:15:16,922 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-11 19:15:16,923 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-11 19:15:16,926 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-11 19:15:16,928 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-11 19:15:16,930 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-11 19:15:16,934 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-11 19:15:16,937 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-11 19:15:16,938 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-11 19:15:16,940 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-11 19:15:16,940 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-11 19:15:16,942 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-11 19:15:16,942 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-11 19:15:16,943 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-11 19:15:16,944 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-11 19:15:16,944 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-11 19:15:16,946 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-11 19:15:16,950 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-11 19:15:16,951 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-11 19:15:16,952 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-11 19:15:16,952 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-11 19:15:16,953 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-11 19:15:16,959 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-12-11 19:15:16,962 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-11 19:15:16,966 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-11 19:15:16,968 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-11 19:15:16,968 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-11 19:15:16,969 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-11 19:15:16,969 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-11 19:15:16,970 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-11 19:15:16,970 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-11 19:15:16,970 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-11 19:15:16,970 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-11 19:15:16,971 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-11 19:15:16,972 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-NoLbe.epf [2022-12-11 19:15:16,996 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-11 19:15:16,997 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-11 19:15:16,998 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-11 19:15:16,998 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-11 19:15:16,998 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-11 19:15:16,999 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-11 19:15:16,999 INFO L138 SettingsManager]: * Use SBE=true [2022-12-11 19:15:16,999 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-11 19:15:16,999 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-11 19:15:17,000 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-11 19:15:17,000 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-11 19:15:17,000 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-11 19:15:17,000 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-11 19:15:17,000 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-11 19:15:17,001 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-11 19:15:17,001 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-11 19:15:17,001 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-11 19:15:17,001 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-11 19:15:17,001 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-11 19:15:17,001 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-11 19:15:17,001 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-11 19:15:17,001 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-12-11 19:15:17,001 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-11 19:15:17,001 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-11 19:15:17,002 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-11 19:15:17,002 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-11 19:15:17,002 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-11 19:15:17,002 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-12-11 19:15:17,002 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-11 19:15:17,002 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-11 19:15:17,002 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-11 19:15:17,002 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-12-11 19:15:17,268 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-11 19:15:17,281 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-11 19:15:17,283 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-11 19:15:17,284 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-11 19:15:17,284 INFO L275 PluginConnector]: CDTParser initialized [2022-12-11 19:15:17,285 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/36-apron_17-traces-rpb-litmus_unknown_1_neg.i [2022-12-11 19:15:18,291 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-11 19:15:18,493 INFO L351 CDTParser]: Found 1 translation units. [2022-12-11 19:15:18,493 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/36-apron_17-traces-rpb-litmus_unknown_1_neg.i [2022-12-11 19:15:18,501 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e3bda36da/293519c8fc7c46f6859b6261acd7249f/FLAGd9f9b22cc [2022-12-11 19:15:18,513 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e3bda36da/293519c8fc7c46f6859b6261acd7249f [2022-12-11 19:15:18,515 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-11 19:15:18,516 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-12-11 19:15:18,517 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-11 19:15:18,517 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-11 19:15:18,518 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-11 19:15:18,519 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.12 07:15:18" (1/1) ... [2022-12-11 19:15:18,520 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2bc34101 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.12 07:15:18, skipping insertion in model container [2022-12-11 19:15:18,520 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.12 07:15:18" (1/1) ... [2022-12-11 19:15:18,524 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-11 19:15:18,550 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-11 19:15:18,672 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/36-apron_17-traces-rpb-litmus_unknown_1_neg.i[1098,1111] [2022-12-11 19:15:18,800 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-11 19:15:18,810 INFO L203 MainTranslator]: Completed pre-run [2022-12-11 19:15:18,820 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/36-apron_17-traces-rpb-litmus_unknown_1_neg.i[1098,1111] [2022-12-11 19:15:18,854 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-11 19:15:18,883 INFO L208 MainTranslator]: Completed translation [2022-12-11 19:15:18,884 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.12 07:15:18 WrapperNode [2022-12-11 19:15:18,884 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-11 19:15:18,885 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-11 19:15:18,886 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-11 19:15:18,886 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-11 19:15:18,890 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.12 07:15:18" (1/1) ... [2022-12-11 19:15:18,913 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.12 07:15:18" (1/1) ... [2022-12-11 19:15:18,932 INFO L138 Inliner]: procedures = 163, calls = 29, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 59 [2022-12-11 19:15:18,932 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-11 19:15:18,933 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-11 19:15:18,933 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-11 19:15:18,933 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-11 19:15:18,939 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.12 07:15:18" (1/1) ... [2022-12-11 19:15:18,939 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.12 07:15:18" (1/1) ... [2022-12-11 19:15:18,944 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.12 07:15:18" (1/1) ... [2022-12-11 19:15:18,944 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.12 07:15:18" (1/1) ... [2022-12-11 19:15:18,956 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.12 07:15:18" (1/1) ... [2022-12-11 19:15:18,958 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.12 07:15:18" (1/1) ... [2022-12-11 19:15:18,958 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.12 07:15:18" (1/1) ... [2022-12-11 19:15:18,959 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.12 07:15:18" (1/1) ... [2022-12-11 19:15:18,961 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-11 19:15:18,961 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-11 19:15:18,961 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-11 19:15:18,961 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-11 19:15:18,962 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.12 07:15:18" (1/1) ... [2022-12-11 19:15:18,966 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-11 19:15:18,976 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-12-11 19:15:19,047 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) [2022-12-11 19:15:19,057 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 [2022-12-11 19:15:19,090 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-11 19:15:19,090 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-12-11 19:15:19,091 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-11 19:15:19,091 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-11 19:15:19,091 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2022-12-11 19:15:19,091 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2022-12-11 19:15:19,091 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-11 19:15:19,091 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-11 19:15:19,091 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-11 19:15:19,091 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-11 19:15:19,092 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2022-12-11 19:15:19,185 INFO L236 CfgBuilder]: Building ICFG [2022-12-11 19:15:19,186 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-11 19:15:19,312 INFO L277 CfgBuilder]: Performing block encoding [2022-12-11 19:15:19,317 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-11 19:15:19,317 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-11 19:15:19,319 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.12 07:15:19 BoogieIcfgContainer [2022-12-11 19:15:19,319 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-11 19:15:19,320 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-11 19:15:19,321 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-11 19:15:19,323 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-11 19:15:19,323 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.12 07:15:18" (1/3) ... [2022-12-11 19:15:19,323 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3b812804 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.12 07:15:19, skipping insertion in model container [2022-12-11 19:15:19,323 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.12 07:15:18" (2/3) ... [2022-12-11 19:15:19,324 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3b812804 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.12 07:15:19, skipping insertion in model container [2022-12-11 19:15:19,324 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.12 07:15:19" (3/3) ... [2022-12-11 19:15:19,325 INFO L112 eAbstractionObserver]: Analyzing ICFG 36-apron_17-traces-rpb-litmus_unknown_1_neg.i [2022-12-11 19:15:19,338 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-11 19:15:19,338 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-12-11 19:15:19,338 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-12-11 19:15:19,377 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-12-11 19:15:19,399 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 74 places, 72 transitions, 149 flow [2022-12-11 19:15:19,431 INFO L130 PetriNetUnfolder]: 2/71 cut-off events. [2022-12-11 19:15:19,431 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-11 19:15:19,434 INFO L83 FinitePrefix]: Finished finitePrefix Result has 75 conditions, 71 events. 2/71 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 43 event pairs, 0 based on Foata normal form. 0/68 useless extension candidates. Maximal degree in co-relation 38. Up to 2 conditions per place. [2022-12-11 19:15:19,434 INFO L82 GeneralOperation]: Start removeDead. Operand has 74 places, 72 transitions, 149 flow [2022-12-11 19:15:19,437 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 64 places, 61 transitions, 125 flow [2022-12-11 19:15:19,444 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-11 19:15:19,448 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=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@43f89cae, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, Conditionality=CONDITIONAL_DISJUNCTIVE, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-11 19:15:19,449 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-12-11 19:15:19,462 INFO L130 PetriNetUnfolder]: 1/60 cut-off events. [2022-12-11 19:15:19,462 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-11 19:15:19,462 INFO L206 CegarLoopForPetriNet]: Found error trace [2022-12-11 19:15:19,463 INFO L214 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-11 19:15:19,463 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2022-12-11 19:15:19,467 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-11 19:15:19,467 INFO L85 PathProgramCache]: Analyzing trace with hash -632809841, now seen corresponding path program 1 times [2022-12-11 19:15:19,474 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-11 19:15:19,474 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2126963324] [2022-12-11 19:15:19,474 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-11 19:15:19,475 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-11 19:15:19,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-11 19:15:19,839 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-11 19:15:19,840 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-11 19:15:19,840 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2126963324] [2022-12-11 19:15:19,840 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2126963324] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-11 19:15:19,841 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-11 19:15:19,841 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-12-11 19:15:19,842 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [469722881] [2022-12-11 19:15:19,842 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-11 19:15:19,848 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-11 19:15:19,848 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-11 19:15:19,865 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-11 19:15:19,866 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-12-11 19:15:19,869 INFO L481 CegarLoopForPetriNet]: Number of universal loopers: 58 out of 72 [2022-12-11 19:15:19,872 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 64 places, 61 transitions, 125 flow. Second operand has 6 states, 6 states have (on average 59.5) internal successors, (357), 6 states have internal predecessors, (357), 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) [2022-12-11 19:15:19,872 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-11 19:15:19,872 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 58 of 72 [2022-12-11 19:15:19,873 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-11 19:15:19,940 INFO L130 PetriNetUnfolder]: 9/118 cut-off events. [2022-12-11 19:15:19,941 INFO L131 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2022-12-11 19:15:19,941 INFO L83 FinitePrefix]: Finished finitePrefix Result has 163 conditions, 118 events. 9/118 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 287 event pairs, 0 based on Foata normal form. 2/117 useless extension candidates. Maximal degree in co-relation 121. Up to 15 conditions per place. [2022-12-11 19:15:19,942 INFO L137 encePairwiseOnDemand]: 65/72 looper letters, 13 selfloop transitions, 3 changer transitions 8/73 dead transitions. [2022-12-11 19:15:19,942 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 69 places, 73 transitions, 195 flow [2022-12-11 19:15:19,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-11 19:15:19,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-12-11 19:15:19,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 372 transitions. [2022-12-11 19:15:19,953 INFO L526 CegarLoopForPetriNet]: DFA transition density 0.8611111111111112 [2022-12-11 19:15:19,954 INFO L175 Difference]: Start difference. First operand has 64 places, 61 transitions, 125 flow. Second operand 6 states and 372 transitions. [2022-12-11 19:15:19,954 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 69 places, 73 transitions, 195 flow [2022-12-11 19:15:19,956 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 68 places, 73 transitions, 194 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-12-11 19:15:19,958 INFO L231 Difference]: Finished difference. Result has 73 places, 61 transitions, 146 flow [2022-12-11 19:15:19,960 INFO L277 CegarLoopForPetriNet]: {PETRI_ALPHABET=72, PETRI_DIFFERENCE_MINUEND_FLOW=124, PETRI_DIFFERENCE_MINUEND_PLACES=63, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=61, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=58, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=146, PETRI_PLACES=73, PETRI_TRANSITIONS=61} [2022-12-11 19:15:19,962 INFO L295 CegarLoopForPetriNet]: 64 programPoint places, 9 predicate places. [2022-12-11 19:15:19,963 INFO L495 AbstractCegarLoop]: Abstraction has has 73 places, 61 transitions, 146 flow [2022-12-11 19:15:19,963 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 59.5) internal successors, (357), 6 states have internal predecessors, (357), 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) [2022-12-11 19:15:19,963 INFO L206 CegarLoopForPetriNet]: Found error trace [2022-12-11 19:15:19,963 INFO L214 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-11 19:15:19,963 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-11 19:15:19,964 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2022-12-11 19:15:19,964 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-11 19:15:19,964 INFO L85 PathProgramCache]: Analyzing trace with hash -2015757773, now seen corresponding path program 1 times [2022-12-11 19:15:19,965 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-11 19:15:19,965 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [86737002] [2022-12-11 19:15:19,965 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-11 19:15:19,983 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-11 19:15:20,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-11 19:15:20,005 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-11 19:15:20,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-11 19:15:20,034 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-11 19:15:20,035 INFO L360 BasicCegarLoop]: Counterexample is feasible [2022-12-11 19:15:20,036 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (1 of 2 remaining) [2022-12-11 19:15:20,037 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 2 remaining) [2022-12-11 19:15:20,037 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-11 19:15:20,037 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2022-12-11 19:15:20,041 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-12-11 19:15:20,041 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-11 19:15:20,064 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.12 07:15:20 BasicIcfg [2022-12-11 19:15:20,064 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-11 19:15:20,065 INFO L158 Benchmark]: Toolchain (without parser) took 1548.68ms. Allocated memory was 177.2MB in the beginning and 243.3MB in the end (delta: 66.1MB). Free memory was 151.8MB in the beginning and 209.2MB in the end (delta: -57.4MB). Peak memory consumption was 9.5MB. Max. memory is 8.0GB. [2022-12-11 19:15:20,065 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 177.2MB. Free memory is still 153.3MB. There was no memory consumed. Max. memory is 8.0GB. [2022-12-11 19:15:20,066 INFO L158 Benchmark]: CACSL2BoogieTranslator took 367.94ms. Allocated memory is still 177.2MB. Free memory was 151.5MB in the beginning and 132.7MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 8.0GB. [2022-12-11 19:15:20,066 INFO L158 Benchmark]: Boogie Procedure Inliner took 47.01ms. Allocated memory is still 177.2MB. Free memory was 132.7MB in the beginning and 130.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-12-11 19:15:20,066 INFO L158 Benchmark]: Boogie Preprocessor took 27.42ms. Allocated memory is still 177.2MB. Free memory was 130.6MB in the beginning and 129.0MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-12-11 19:15:20,067 INFO L158 Benchmark]: RCFGBuilder took 357.54ms. Allocated memory is still 177.2MB. Free memory was 129.0MB in the beginning and 116.4MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. [2022-12-11 19:15:20,067 INFO L158 Benchmark]: TraceAbstraction took 743.67ms. Allocated memory was 177.2MB in the beginning and 243.3MB in the end (delta: 66.1MB). Free memory was 114.8MB in the beginning and 209.2MB in the end (delta: -94.3MB). There was no memory consumed. Max. memory is 8.0GB. [2022-12-11 19:15:20,069 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 177.2MB. Free memory is still 153.3MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 367.94ms. Allocated memory is still 177.2MB. Free memory was 151.5MB in the beginning and 132.7MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 47.01ms. Allocated memory is still 177.2MB. Free memory was 132.7MB in the beginning and 130.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 27.42ms. Allocated memory is still 177.2MB. Free memory was 130.6MB in the beginning and 129.0MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 357.54ms. Allocated memory is still 177.2MB. Free memory was 129.0MB in the beginning and 116.4MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. * TraceAbstraction took 743.67ms. Allocated memory was 177.2MB in the beginning and 243.3MB in the end (delta: 66.1MB). Free memory was 114.8MB in the beginning and 209.2MB in the end (delta: -94.3MB). There was no memory consumed. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 19]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L682] 0 int g = 42; VAL [g=42] [L683] 0 pthread_mutex_t A = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; VAL [A={3:0}, g=42] [L684] 0 pthread_mutex_t B = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; VAL [A={3:0}, B={4:0}, g=42] [L694] 0 int r = __VERIFIER_nondet_int(); VAL [__VERIFIER_nondet_int()=1, A={3:0}, B={4:0}, g=42, r=1] [L695] 0 int t; VAL [A={3:0}, B={4:0}, g=42, r=1] [L696] 0 pthread_t id; VAL [A={3:0}, B={4:0}, g=42, id={5:0}, r=1] [L697] FCALL, FORK 0 pthread_create(&id, ((void *)0), t_fun, ((void *)0)) VAL [A={3:0}, arg={0:0}, B={4:0}, g=42, id={5:0}, pthread_create(&id, ((void *)0), t_fun, ((void *)0))=-1, r=1] [L700] COND TRUE 0 \read(r) VAL [A={3:0}, arg={0:0}, B={4:0}, g=42, id={5:0}, r=1] [L701] 0 g = 17 VAL [A={3:0}, arg={0:0}, B={4:0}, g=17, id={5:0}, r=1] [L705] 0 t = g [L706] CALL 0 __VERIFIER_assert(!(t == 17)) [L19] COND TRUE 0 !(cond) VAL [\old(cond)=0, A={3:0}, arg={0:0}, B={4:0}, cond=0, g=17] [L19] 0 reach_error() VAL [\old(cond)=0, A={3:0}, arg={0:0}, B={4:0}, cond=0, g=17] - UnprovableResult [Line: 697]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 3 procedures, 83 locations, 2 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 0.6s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 15 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 15 mSDsluCounter, 41 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 30 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 26 IncrementalHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 11 mSDtfsCounter, 26 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=146occurred in iteration=1, InterpolantAutomatonStates: 6, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 96 NumberOfCodeBlocks, 96 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 45 ConstructedInterpolants, 0 QuantifiedInterpolants, 122 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2022-12-11 19:15:20,090 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...