./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/goblint-regression/36-apron_17-traces-rpb-litmus_unknown_1_neg.i --full-output --witness-type correctness_witness --witnessparser.only.consider.loop.invariants false --validate ./goblint.2024-06-19_11-23-25.files/protection/36-apron_17-traces-rpb-litmus_unknown_1_neg.yml/witness.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 2520d7ca Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/GemCutterReachWitnessValidation.xml -i ../../../trunk/examples/svcomp/goblint-regression/36-apron_17-traces-rpb-litmus_unknown_1_neg.i ./goblint.2024-06-19_11-23-25.files/protection/36-apron_17-traces-rpb-litmus_unknown_1_neg.yml/witness.yml -s /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf --cacsl2boogietranslator.entry.function main --traceabstraction.compute.hoare.annotation.of.negated.interpolant.automaton,.abstraction.and.cfg false --witnessparser.only.consider.loop.invariants false --- Real Ultimate output --- This is Ultimate 0.2.4-tmp.fs.goblint-validation-2520d7c-m [2024-07-17 12:37:47,906 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-07-17 12:37:47,979 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf [2024-07-17 12:37:47,985 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-07-17 12:37:47,986 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-07-17 12:37:48,023 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-07-17 12:37:48,024 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-07-17 12:37:48,025 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-07-17 12:37:48,025 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-07-17 12:37:48,030 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-07-17 12:37:48,031 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-07-17 12:37:48,031 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-07-17 12:37:48,031 INFO L153 SettingsManager]: * Use SBE=true [2024-07-17 12:37:48,031 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-07-17 12:37:48,031 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-07-17 12:37:48,032 INFO L153 SettingsManager]: * sizeof long=4 [2024-07-17 12:37:48,032 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-07-17 12:37:48,032 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-07-17 12:37:48,032 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-07-17 12:37:48,032 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-07-17 12:37:48,032 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-07-17 12:37:48,036 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-07-17 12:37:48,036 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-07-17 12:37:48,037 INFO L153 SettingsManager]: * sizeof long double=12 [2024-07-17 12:37:48,037 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-07-17 12:37:48,037 INFO L153 SettingsManager]: * Use constant arrays=true [2024-07-17 12:37:48,038 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-07-17 12:37:48,038 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-07-17 12:37:48,038 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-07-17 12:37:48,038 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-07-17 12:37:48,039 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-07-17 12:37:48,040 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-07-17 12:37:48,040 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-07-17 12:37:48,040 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-07-17 12:37:48,040 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-07-17 12:37:48,041 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2024-07-17 12:37:48,041 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-07-17 12:37:48,041 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-07-17 12:37:48,041 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-07-17 12:37:48,041 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-07-17 12:37:48,042 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-07-17 12:37:48,042 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-07-17 12:37:48,042 INFO L153 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/UGemCutter-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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false [2024-07-17 12:37:48,331 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-07-17 12:37:48,350 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-07-17 12:37:48,354 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-07-17 12:37:48,355 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-07-17 12:37:48,356 INFO L274 PluginConnector]: Witness Parser initialized [2024-07-17 12:37:48,357 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/./goblint.2024-06-19_11-23-25.files/protection/36-apron_17-traces-rpb-litmus_unknown_1_neg.yml/witness.yml [2024-07-17 12:37:48,491 INFO L270 PluginConnector]: Initializing CDTParser... [2024-07-17 12:37:48,491 INFO L274 PluginConnector]: CDTParser initialized [2024-07-17 12:37:48,492 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/goblint-regression/36-apron_17-traces-rpb-litmus_unknown_1_neg.i [2024-07-17 12:37:49,619 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-07-17 12:37:49,870 INFO L384 CDTParser]: Found 1 translation units. [2024-07-17 12:37:49,871 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/36-apron_17-traces-rpb-litmus_unknown_1_neg.i [2024-07-17 12:37:49,881 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/498ecbad7/63e3646e80ac48a580e5ae6ebf7237db/FLAGd0780c23c [2024-07-17 12:37:49,891 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/498ecbad7/63e3646e80ac48a580e5ae6ebf7237db [2024-07-17 12:37:49,892 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-07-17 12:37:49,892 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-07-17 12:37:49,894 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-07-17 12:37:49,894 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-07-17 12:37:49,898 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-07-17 12:37:49,899 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 17.07 12:37:48" (1/2) ... [2024-07-17 12:37:49,900 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@44d4eed and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 17.07 12:37:49, skipping insertion in model container [2024-07-17 12:37:49,900 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 17.07 12:37:48" (1/2) ... [2024-07-17 12:37:49,901 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@27c67fb3 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 17.07 12:37:49, skipping insertion in model container [2024-07-17 12:37:49,901 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.07 12:37:49" (2/2) ... [2024-07-17 12:37:49,902 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@44d4eed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 12:37:49, skipping insertion in model container [2024-07-17 12:37:49,902 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.07 12:37:49" (2/2) ... [2024-07-17 12:37:49,902 INFO L83 nessWitnessExtractor]: Extracting all invariants from correctness witness [2024-07-17 12:37:49,936 INFO L95 edCorrectnessWitness]: Found the following entries in the witness: [2024-07-17 12:37:49,937 INFO L97 edCorrectnessWitness]: Location invariant before [L698-L698] ! multithreaded || (g == 17 || g == 42) [2024-07-17 12:37:49,938 INFO L103 edCorrectnessWitness]: ghost_variable A_locked = 0 [2024-07-17 12:37:49,938 INFO L103 edCorrectnessWitness]: ghost_variable multithreaded = 0 [2024-07-17 12:37:49,938 INFO L103 edCorrectnessWitness]: ghost_variable B_locked = 0 [2024-07-17 12:37:49,938 INFO L106 edCorrectnessWitness]: ghost_update [L686-L686] A_locked = 1; [2024-07-17 12:37:49,939 INFO L106 edCorrectnessWitness]: ghost_update [L697-L697] multithreaded = 1; [2024-07-17 12:37:49,939 INFO L106 edCorrectnessWitness]: ghost_update [L703-L703] B_locked = 1; [2024-07-17 12:37:49,940 INFO L106 edCorrectnessWitness]: ghost_update [L699-L699] B_locked = 1; [2024-07-17 12:37:49,940 INFO L106 edCorrectnessWitness]: ghost_update [L689-L689] B_locked = 0; [2024-07-17 12:37:49,940 INFO L106 edCorrectnessWitness]: ghost_update [L707-L707] B_locked = 0; [2024-07-17 12:37:49,940 INFO L106 edCorrectnessWitness]: ghost_update [L690-L690] A_locked = 0; [2024-07-17 12:37:49,940 INFO L106 edCorrectnessWitness]: ghost_update [L687-L687] B_locked = 1; [2024-07-17 12:37:49,941 INFO L106 edCorrectnessWitness]: ghost_update [L708-L708] A_locked = 0; [2024-07-17 12:37:49,941 INFO L106 edCorrectnessWitness]: ghost_update [L702-L702] B_locked = 0; [2024-07-17 12:37:49,941 INFO L106 edCorrectnessWitness]: ghost_update [L698-L698] A_locked = 1; [2024-07-17 12:37:50,006 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-07-17 12:37:50,191 WARN L247 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] [2024-07-17 12:37:50,329 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-07-17 12:37:50,342 INFO L202 MainTranslator]: Completed pre-run Start Parsing Local Start Parsing Local Start Parsing Local [2024-07-17 12:37:50,377 WARN L247 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] Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local [2024-07-17 12:37:50,461 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-07-17 12:37:50,509 INFO L206 MainTranslator]: Completed translation [2024-07-17 12:37:50,509 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 12:37:50 WrapperNode [2024-07-17 12:37:50,510 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-07-17 12:37:50,511 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-07-17 12:37:50,511 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-07-17 12:37:50,512 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-07-17 12:37:50,518 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 12:37:50" (1/1) ... [2024-07-17 12:37:50,545 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 12:37:50" (1/1) ... [2024-07-17 12:37:50,570 INFO L138 Inliner]: procedures = 163, calls = 30, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 76 [2024-07-17 12:37:50,571 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-07-17 12:37:50,572 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-07-17 12:37:50,572 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-07-17 12:37:50,572 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-07-17 12:37:50,581 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 12:37:50" (1/1) ... [2024-07-17 12:37:50,581 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 12:37:50" (1/1) ... [2024-07-17 12:37:50,583 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 12:37:50" (1/1) ... [2024-07-17 12:37:50,583 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 12:37:50" (1/1) ... [2024-07-17 12:37:50,587 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 12:37:50" (1/1) ... [2024-07-17 12:37:50,588 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 12:37:50" (1/1) ... [2024-07-17 12:37:50,589 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 12:37:50" (1/1) ... [2024-07-17 12:37:50,590 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 12:37:50" (1/1) ... [2024-07-17 12:37:50,598 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-07-17 12:37:50,598 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-07-17 12:37:50,598 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-07-17 12:37:50,598 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-07-17 12:37:50,599 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 12:37:50" (1/1) ... [2024-07-17 12:37:50,607 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-07-17 12:37:50,615 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-07-17 12:37:50,628 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-07-17 12:37:50,629 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-07-17 12:37:50,658 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-07-17 12:37:50,658 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-07-17 12:37:50,658 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2024-07-17 12:37:50,659 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2024-07-17 12:37:50,659 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-07-17 12:37:50,659 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-07-17 12:37:50,659 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-07-17 12:37:50,659 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-07-17 12:37:50,661 WARN L214 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-07-17 12:37:50,754 INFO L244 CfgBuilder]: Building ICFG [2024-07-17 12:37:50,756 INFO L270 CfgBuilder]: Building CFG for each procedure with an implementation [2024-07-17 12:37:50,897 INFO L289 CfgBuilder]: Ommited future-live optimization because the input is a concurrent program. [2024-07-17 12:37:50,898 INFO L293 CfgBuilder]: Performing block encoding [2024-07-17 12:37:51,066 INFO L315 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-07-17 12:37:51,067 INFO L320 CfgBuilder]: Removed 0 assume(true) statements. [2024-07-17 12:37:51,067 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.07 12:37:51 BoogieIcfgContainer [2024-07-17 12:37:51,068 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-07-17 12:37:51,070 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-07-17 12:37:51,070 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-07-17 12:37:51,073 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-07-17 12:37:51,073 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 17.07 12:37:48" (1/4) ... [2024-07-17 12:37:51,074 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@398a260a and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 17.07 12:37:51, skipping insertion in model container [2024-07-17 12:37:51,074 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.07 12:37:49" (2/4) ... [2024-07-17 12:37:51,074 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@398a260a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.07 12:37:51, skipping insertion in model container [2024-07-17 12:37:51,074 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 12:37:50" (3/4) ... [2024-07-17 12:37:51,075 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@398a260a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.07 12:37:51, skipping insertion in model container [2024-07-17 12:37:51,075 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.07 12:37:51" (4/4) ... [2024-07-17 12:37:51,076 INFO L112 eAbstractionObserver]: Analyzing ICFG 36-apron_17-traces-rpb-litmus_unknown_1_neg.i [2024-07-17 12:37:51,090 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-07-17 12:37:51,091 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-07-17 12:37:51,091 INFO L522 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-07-17 12:37:51,128 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-07-17 12:37:51,170 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-07-17 12:37:51,171 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-07-17 12:37:51,171 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-07-17 12:37:51,177 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-07-17 12:37:51,220 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2024-07-17 12:37:51,233 INFO L158 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-07-17 12:37:51,242 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-07-17 12:37:51,248 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=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, 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;@c0633a2, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-07-17 12:37:51,248 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2024-07-17 12:37:51,336 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-07-17 12:37:51,341 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-07-17 12:37:51,341 INFO L85 PathProgramCache]: Analyzing trace with hash -190032051, now seen corresponding path program 1 times [2024-07-17 12:37:51,349 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-07-17 12:37:51,349 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [859164634] [2024-07-17 12:37:51,349 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-07-17 12:37:51,350 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-07-17 12:37:51,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-07-17 12:37:51,703 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-07-17 12:37:51,704 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-07-17 12:37:51,704 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [859164634] [2024-07-17 12:37:51,705 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [859164634] provided 1 perfect and 0 imperfect interpolant sequences [2024-07-17 12:37:51,705 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-07-17 12:37:51,706 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-07-17 12:37:51,707 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1235905270] [2024-07-17 12:37:51,707 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-07-17 12:37:51,711 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-07-17 12:37:51,712 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-07-17 12:37:51,732 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-07-17 12:37:51,733 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-07-17 12:37:51,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-07-17 12:37:51,735 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-07-17 12:37:51,737 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 7.0) internal successors, (14), 3 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-07-17 12:37:51,737 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-07-17 12:37:51,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-07-17 12:37:51,792 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-07-17 12:37:51,793 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-07-17 12:37:51,793 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-07-17 12:37:51,793 INFO L85 PathProgramCache]: Analyzing trace with hash 280020356, now seen corresponding path program 1 times [2024-07-17 12:37:51,793 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-07-17 12:37:51,794 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [680976725] [2024-07-17 12:37:51,794 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-07-17 12:37:51,794 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-07-17 12:37:51,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-07-17 12:37:51,996 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-07-17 12:37:51,997 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-07-17 12:37:51,997 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [680976725] [2024-07-17 12:37:51,997 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [680976725] provided 1 perfect and 0 imperfect interpolant sequences [2024-07-17 12:37:51,997 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-07-17 12:37:51,998 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-07-17 12:37:51,998 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1140258031] [2024-07-17 12:37:51,998 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-07-17 12:37:51,999 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-07-17 12:37:51,999 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-07-17 12:37:52,000 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-07-17 12:37:52,000 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-07-17 12:37:52,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-07-17 12:37:52,001 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-07-17 12:37:52,001 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.5) internal successors, (22), 4 states have internal predecessors, (22), 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) [2024-07-17 12:37:52,002 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-07-17 12:37:52,002 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-07-17 12:37:52,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-07-17 12:37:52,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-07-17 12:37:52,096 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-07-17 12:37:52,097 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-07-17 12:37:52,097 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-07-17 12:37:52,097 INFO L85 PathProgramCache]: Analyzing trace with hash 442389900, now seen corresponding path program 1 times [2024-07-17 12:37:52,097 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-07-17 12:37:52,098 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1134451027] [2024-07-17 12:37:52,098 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-07-17 12:37:52,099 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-07-17 12:37:52,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-07-17 12:37:52,156 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-07-17 12:37:52,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-07-17 12:37:52,214 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-07-17 12:37:52,214 INFO L360 BasicCegarLoop]: Counterexample is feasible [2024-07-17 12:37:52,216 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (2 of 3 remaining) [2024-07-17 12:37:52,221 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT (1 of 3 remaining) [2024-07-17 12:37:52,222 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 3 remaining) [2024-07-17 12:37:52,223 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-07-17 12:37:52,234 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2024-07-17 12:37:52,238 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-07-17 12:37:52,239 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2024-07-17 12:37:52,279 INFO L507 ceAbstractionStarter]: Automizer considered 1 witness invariants [2024-07-17 12:37:52,284 INFO L508 ceAbstractionStarter]: WitnessConsidered=1 [2024-07-17 12:37:52,285 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 17.07 12:37:52 BasicIcfg [2024-07-17 12:37:52,286 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-07-17 12:37:52,286 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-07-17 12:37:52,286 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-07-17 12:37:52,286 INFO L274 PluginConnector]: Witness Printer initialized [2024-07-17 12:37:52,287 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.07 12:37:51" (4/5) ... [2024-07-17 12:37:52,288 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2024-07-17 12:37:52,356 INFO L149 WitnessManager]: Wrote witness to /storage/repos/sv-benchmarks/c/goblint-regression/36-apron_17-traces-rpb-litmus_unknown_1_neg.i-witness.graphml [2024-07-17 12:37:52,356 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-07-17 12:37:52,357 INFO L158 Benchmark]: Toolchain (without parser) took 2464.52ms. Allocated memory was 167.8MB in the beginning and 226.5MB in the end (delta: 58.7MB). Free memory was 87.9MB in the beginning and 143.5MB in the end (delta: -55.6MB). Peak memory consumption was 3.3MB. Max. memory is 16.1GB. [2024-07-17 12:37:52,358 INFO L158 Benchmark]: Witness Parser took 0.19ms. Allocated memory is still 167.8MB. Free memory is still 120.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-07-17 12:37:52,358 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 167.8MB. Free memory was 135.7MB in the beginning and 135.6MB in the end (delta: 118.5kB). There was no memory consumed. Max. memory is 16.1GB. [2024-07-17 12:37:52,359 INFO L158 Benchmark]: CACSL2BoogieTranslator took 616.44ms. Allocated memory was 167.8MB in the beginning and 226.5MB in the end (delta: 58.7MB). Free memory was 87.6MB in the beginning and 179.1MB in the end (delta: -91.5MB). Peak memory consumption was 11.8MB. Max. memory is 16.1GB. [2024-07-17 12:37:52,359 INFO L158 Benchmark]: Boogie Procedure Inliner took 59.78ms. Allocated memory is still 226.5MB. Free memory was 179.1MB in the beginning and 177.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-07-17 12:37:52,360 INFO L158 Benchmark]: Boogie Preprocessor took 26.01ms. Allocated memory is still 226.5MB. Free memory was 177.0MB in the beginning and 175.7MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-07-17 12:37:52,362 INFO L158 Benchmark]: RCFGBuilder took 469.44ms. Allocated memory is still 226.5MB. Free memory was 175.7MB in the beginning and 147.6MB in the end (delta: 28.1MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2024-07-17 12:37:52,363 INFO L158 Benchmark]: TraceAbstraction took 1216.05ms. Allocated memory is still 226.5MB. Free memory was 146.6MB in the beginning and 147.7MB in the end (delta: -1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-07-17 12:37:52,363 INFO L158 Benchmark]: Witness Printer took 70.44ms. Allocated memory is still 226.5MB. Free memory was 147.7MB in the beginning and 143.5MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-07-17 12:37:52,366 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Witness Parser took 0.19ms. Allocated memory is still 167.8MB. Free memory is still 120.2MB. There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.17ms. Allocated memory is still 167.8MB. Free memory was 135.7MB in the beginning and 135.6MB in the end (delta: 118.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 616.44ms. Allocated memory was 167.8MB in the beginning and 226.5MB in the end (delta: 58.7MB). Free memory was 87.6MB in the beginning and 179.1MB in the end (delta: -91.5MB). Peak memory consumption was 11.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 59.78ms. Allocated memory is still 226.5MB. Free memory was 179.1MB in the beginning and 177.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 26.01ms. Allocated memory is still 226.5MB. Free memory was 177.0MB in the beginning and 175.7MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 469.44ms. Allocated memory is still 226.5MB. Free memory was 175.7MB in the beginning and 147.6MB in the end (delta: 28.1MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. * TraceAbstraction took 1216.05ms. Allocated memory is still 226.5MB. Free memory was 146.6MB in the beginning and 147.7MB in the end (delta: -1.1MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 70.44ms. Allocated memory is still 226.5MB. Free memory was 147.7MB in the beginning and 143.5MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 163, independent: 153, independent conditional: 27, independent unconditional: 126, dependent: 10, dependent conditional: 5, dependent unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 158, independent: 153, independent conditional: 27, independent unconditional: 126, dependent: 5, dependent conditional: 0, dependent unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 158, independent: 153, independent conditional: 27, independent unconditional: 126, dependent: 5, dependent conditional: 0, dependent unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 158, independent: 153, independent conditional: 0, independent unconditional: 153, dependent: 5, dependent conditional: 0, dependent unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 158, independent: 153, independent conditional: 0, independent unconditional: 153, dependent: 5, dependent conditional: 0, dependent unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 158, independent: 153, independent conditional: 0, independent unconditional: 153, dependent: 5, dependent conditional: 0, dependent unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 131, independent: 126, independent conditional: 0, independent unconditional: 126, dependent: 5, dependent conditional: 0, dependent unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 131, independent: 122, independent conditional: 0, independent unconditional: 122, dependent: 9, dependent conditional: 0, dependent unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 9, independent: 4, independent conditional: 0, independent unconditional: 4, dependent: 5, dependent conditional: 0, dependent unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 9, independent: 4, independent conditional: 0, independent unconditional: 4, dependent: 5, dependent conditional: 0, dependent unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 57, independent: 43, independent conditional: 0, independent unconditional: 43, dependent: 15, dependent conditional: 0, dependent unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 158, independent: 27, independent conditional: 0, independent unconditional: 27, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 131, unknown conditional: 0, unknown unconditional: 131] , Statistics on independence cache: Total cache size (in pairs): 131, Positive cache size: 126, Positive conditional cache size: 0, Positive unconditional cache size: 126, Negative cache size: 5, Negative conditional cache size: 0, Negative unconditional cache size: 5, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: 0, Independence queries for same thread: 5 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 0.1s, Number of persistent set computation: 26, Number of trivial persistent sets: 26, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 131, independent: 126, independent conditional: 0, independent unconditional: 126, dependent: 5, dependent conditional: 0, dependent unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 163, independent: 153, independent conditional: 27, independent unconditional: 126, dependent: 10, dependent conditional: 5, dependent unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 158, independent: 153, independent conditional: 27, independent unconditional: 126, dependent: 5, dependent conditional: 0, dependent unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 158, independent: 153, independent conditional: 27, independent unconditional: 126, dependent: 5, dependent conditional: 0, dependent unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 158, independent: 153, independent conditional: 0, independent unconditional: 153, dependent: 5, dependent conditional: 0, dependent unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 158, independent: 153, independent conditional: 0, independent unconditional: 153, dependent: 5, dependent conditional: 0, dependent unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 158, independent: 153, independent conditional: 0, independent unconditional: 153, dependent: 5, dependent conditional: 0, dependent unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 131, independent: 126, independent conditional: 0, independent unconditional: 126, dependent: 5, dependent conditional: 0, dependent unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 131, independent: 122, independent conditional: 0, independent unconditional: 122, dependent: 9, dependent conditional: 0, dependent unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 9, independent: 4, independent conditional: 0, independent unconditional: 4, dependent: 5, dependent conditional: 0, dependent unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 9, independent: 4, independent conditional: 0, independent unconditional: 4, dependent: 5, dependent conditional: 0, dependent unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 57, independent: 43, independent conditional: 0, independent unconditional: 43, dependent: 15, dependent conditional: 0, dependent unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 158, independent: 27, independent conditional: 0, independent unconditional: 27, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 131, unknown conditional: 0, unknown unconditional: 131] , Statistics on independence cache: Total cache size (in pairs): 131, Positive cache size: 126, Positive conditional cache size: 0, Positive unconditional cache size: 126, Negative cache size: 5, Negative conditional cache size: 0, Negative unconditional cache size: 5, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: 0, Independence queries for same thread: 5 - CounterExampleResult [Line: 19]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L1] 0 //@ ghost int A_locked = 0; [L1] 0 //@ ghost int multithreaded = 0; [L1] 0 //@ ghost int B_locked = 0; [L682] 0 int g = 42; [L683] 0 pthread_mutex_t A = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; [L684] 0 pthread_mutex_t B = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; [L694] 0 int r = __VERIFIER_nondet_int(); [L695] 0 int t; [L696] 0 pthread_t id; [L697] 0 //@ ghost multithreaded = 1; VAL [A={3:0}, B={4:0}, g=42, id=-1, r=1] [L697] FCALL, FORK 0 pthread_create(&id, ((void *)0), t_fun, ((void *)0)) VAL [A={3:0}, B={4:0}, \old(arg)={0:0}, g=42, id=-1, r=1] [L686] 1 //@ ghost A_locked = 1; [L687] 1 //@ ghost B_locked = 1; [L688] 1 g = 42 VAL [A={3:0}, B={4:0}, \old(arg)={0:0}, arg={0:0}, g=42] [L689] 1 //@ ghost B_locked = 0; [L690] 1 //@ ghost A_locked = 0; [L691] 1 return ((void *)0); [L698] 0 //@ assert (!multithreaded || ((g == 17) || (g == 42))); VAL [A={3:0}, B={4:0}, \old(arg)={0:0}, \result={0:0}, arg={0:0}, g=42, id=-1, r=1] [L698] 0 //@ ghost A_locked = 1; [L699] 0 //@ ghost B_locked = 1; [L700] COND TRUE 0 \read(r) [L701] 0 g = 17 VAL [A={3:0}, B={4:0}, \old(arg)={0:0}, \result={0:0}, arg={0:0}, g=17, id=-1, r=1] [L702] 0 //@ ghost B_locked = 0; [L703] 0 //@ ghost B_locked = 1; [L705] 0 t = g [L706] CALL 0 __VERIFIER_assert(!(t == 17)) [L19] COND TRUE 0 !(cond) VAL [A={3:0}, B={4:0}, \old(arg)={0:0}, \old(cond)=0, \result={0:0}, arg={0:0}, cond=0, g=17] [L19] 0 reach_error() VAL [A={3:0}, B={4:0}, \old(arg)={0:0}, \old(cond)=0, \result={0:0}, arg={0:0}, cond=0, g=17] - UnprovableResult [Line: 698]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 697]: Unable to prove that petrification did provide enough thread instances (tool internal message) Unable to prove that petrification did provide enough thread instances (tool internal message) Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 3 procedures, 46 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 1.0s, OverallIterations: 3, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.2s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 7, 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, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 62 NumberOfCodeBlocks, 62 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 34 ConstructedInterpolants, 0 QuantifiedInterpolants, 73 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 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! [2024-07-17 12:37:52,401 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Forceful destruction successful, exit code 0 [2024-07-17 12:37:52,595 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE