./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/weaver/parallel-min-max-1.wvr.c --full-output --witness-type correctness_witness --witnessparser.only.consider.loop.invariants false --cacsl2boogietranslator.check.unreachability.of.reach_error.function false --validate ./goblint.2024-09-02_08-21-23.files/mutex-meet-ghost/parallel-min-max-1.wvr.yml/witness.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 4a4c57e3 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/weaver/parallel-min-max-1.wvr.c ./goblint.2024-09-02_08-21-23.files/mutex-meet-ghost/parallel-min-max-1.wvr.yml/witness.yml -s /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf --cacsl2boogietranslator.entry.function main --traceabstraction.positions.where.we.compute.the.hoare.annotation None --witnessparser.only.consider.loop.invariants false --cacsl2boogietranslator.check.unreachability.of.reach_error.function false --- Real Ultimate output --- This is Ultimate 0.2.4-wip.fs.witness-ghost-4a4c57e-m [2024-09-07 21:17:56,457 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-07 21:17:56,515 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf [2024-09-07 21:17:56,521 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-07 21:17:56,522 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-07 21:17:56,552 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-07 21:17:56,553 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-07 21:17:56,553 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-07 21:17:56,553 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-07 21:17:56,554 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-07 21:17:56,554 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-07 21:17:56,554 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-07 21:17:56,555 INFO L153 SettingsManager]: * Use SBE=true [2024-09-07 21:17:56,557 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-07 21:17:56,557 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-07 21:17:56,557 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-07 21:17:56,557 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-07 21:17:56,558 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-07 21:17:56,558 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-07 21:17:56,558 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-07 21:17:56,558 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-07 21:17:56,559 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-07 21:17:56,562 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-07 21:17:56,562 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-07 21:17:56,562 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-07 21:17:56,563 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-07 21:17:56,563 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-07 21:17:56,563 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-07 21:17:56,563 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-07 21:17:56,563 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-07 21:17:56,563 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-09-07 21:17:56,564 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-07 21:17:56,564 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-07 21:17:56,564 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-07 21:17:56,564 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-07 21:17:56,565 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2024-09-07 21:17:56,565 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-07 21:17:56,565 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-07 21:17:56,565 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-09-07 21:17:56,566 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-09-07 21:17:56,566 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-09-07 21:17:56,567 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of reach_error function -> false [2024-09-07 21:17:56,789 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-07 21:17:56,817 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-07 21:17:56,820 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-07 21:17:56,821 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-07 21:17:56,822 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-07 21:17:56,823 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/./goblint.2024-09-02_08-21-23.files/mutex-meet-ghost/parallel-min-max-1.wvr.yml/witness.yml [2024-09-07 21:17:56,919 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-07 21:17:56,919 INFO L274 PluginConnector]: CDTParser initialized [2024-09-07 21:17:56,920 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/weaver/parallel-min-max-1.wvr.c [2024-09-07 21:17:58,198 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-07 21:17:58,401 INFO L384 CDTParser]: Found 1 translation units. [2024-09-07 21:17:58,402 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/parallel-min-max-1.wvr.c [2024-09-07 21:17:58,409 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/9ba5fd7fb/ed65f85c568d49cdaea290a11273cd15/FLAG0bf9410ca [2024-09-07 21:17:58,814 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/9ba5fd7fb/ed65f85c568d49cdaea290a11273cd15 [2024-09-07 21:17:58,814 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-07 21:17:58,817 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-09-07 21:17:58,818 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-07 21:17:58,818 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-07 21:17:58,823 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-07 21:17:58,823 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 07.09 09:17:56" (1/2) ... [2024-09-07 21:17:58,824 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@18c8773b and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 07.09 09:17:58, skipping insertion in model container [2024-09-07 21:17:58,825 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 07.09 09:17:56" (1/2) ... [2024-09-07 21:17:58,826 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@4adf49a0 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 07.09 09:17:58, skipping insertion in model container [2024-09-07 21:17:58,826 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.09 09:17:58" (2/2) ... [2024-09-07 21:17:58,827 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@18c8773b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 09:17:58, skipping insertion in model container [2024-09-07 21:17:58,827 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.09 09:17:58" (2/2) ... [2024-09-07 21:17:58,856 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-07 21:17:58,856 INFO L1541 ArrayList]: Location invariant before [L110-L110] ((! multithreaded || 1 <= N) && (! multithreaded || ((((((((((((-1LL + (long long )N) + (long long )v_assert >= 0LL && (-1LL + (long long )N) + (long long )b1 >= 0LL) && (-1LL + (long long )N) + (long long )b2 >= 0LL) && (1073741823LL - (long long )N) + (long long )v_assert >= 0LL) && (1073741823LL - (long long )N) + (long long )b1 >= 0LL) && (1073741823LL - (long long )N) + (long long )b2 >= 0LL) && (1073741824LL - (long long )N) - (long long )v_assert >= 0LL) && (1073741824LL - (long long )N) - (long long )b1 >= 0LL) && (1073741824LL - (long long )N) - (long long )b2 >= 0LL) && (long long )N - (long long )v_assert >= 0LL) && (long long )N - (long long )b1 >= 0LL) && (long long )N - (long long )b2 >= 0LL))) && (! multithreaded || 1 <= N) [2024-09-07 21:17:58,856 INFO L1541 ArrayList]: Location invariant before [L109-L109] ((! multithreaded || 1 <= N) && (! multithreaded || ((((((((((((-1LL + (long long )N) + (long long )v_assert >= 0LL && (-1LL + (long long )N) + (long long )b1 >= 0LL) && (-1LL + (long long )N) + (long long )b2 >= 0LL) && (1073741823LL - (long long )N) + (long long )v_assert >= 0LL) && (1073741823LL - (long long )N) + (long long )b1 >= 0LL) && (1073741823LL - (long long )N) + (long long )b2 >= 0LL) && (1073741824LL - (long long )N) - (long long )v_assert >= 0LL) && (1073741824LL - (long long )N) - (long long )b1 >= 0LL) && (1073741824LL - (long long )N) - (long long )b2 >= 0LL) && (long long )N - (long long )v_assert >= 0LL) && (long long )N - (long long )b1 >= 0LL) && (long long )N - (long long )b2 >= 0LL))) && (! multithreaded || 1 <= N) [2024-09-07 21:17:58,856 INFO L1541 ArrayList]: Location invariant before [L108-L108] ((! multithreaded || 1 <= N) && (! multithreaded || ((((((((((((-1LL + (long long )N) + (long long )v_assert >= 0LL && (-1LL + (long long )N) + (long long )b1 >= 0LL) && (-1LL + (long long )N) + (long long )b2 >= 0LL) && (1073741823LL - (long long )N) + (long long )v_assert >= 0LL) && (1073741823LL - (long long )N) + (long long )b1 >= 0LL) && (1073741823LL - (long long )N) + (long long )b2 >= 0LL) && (1073741824LL - (long long )N) - (long long )v_assert >= 0LL) && (1073741824LL - (long long )N) - (long long )b1 >= 0LL) && (1073741824LL - (long long )N) - (long long )b2 >= 0LL) && (long long )N - (long long )v_assert >= 0LL) && (long long )N - (long long )b1 >= 0LL) && (long long )N - (long long )b2 >= 0LL))) && (! multithreaded || 1 <= N) [2024-09-07 21:17:58,857 INFO L1541 ArrayList]: ghost_variable multithreaded = 0 [2024-09-07 21:17:58,857 INFO L1541 ArrayList]: ghost_update [L107-L107] multithreaded = 1; [2024-09-07 21:17:58,896 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-07 21:17:59,188 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-07 21:17:59,208 INFO L200 MainTranslator]: Completed pre-run Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local [2024-09-07 21:17:59,332 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-07 21:17:59,344 INFO L204 MainTranslator]: Completed translation [2024-09-07 21:17:59,345 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 09:17:59 WrapperNode [2024-09-07 21:17:59,345 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-07 21:17:59,346 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-09-07 21:17:59,346 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-09-07 21:17:59,346 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-09-07 21:17:59,351 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 09:17:59" (1/1) ... [2024-09-07 21:17:59,365 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 09:17:59" (1/1) ... [2024-09-07 21:17:59,421 INFO L138 Inliner]: procedures = 24, calls = 39, calls flagged for inlining = 9, calls inlined = 9, statements flattened = 125 [2024-09-07 21:17:59,421 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-09-07 21:17:59,422 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-07 21:17:59,422 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-07 21:17:59,422 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-07 21:17:59,439 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 09:17:59" (1/1) ... [2024-09-07 21:17:59,439 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 09:17:59" (1/1) ... [2024-09-07 21:17:59,442 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 09:17:59" (1/1) ... [2024-09-07 21:17:59,447 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 09:17:59" (1/1) ... [2024-09-07 21:17:59,460 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 09:17:59" (1/1) ... [2024-09-07 21:17:59,468 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 09:17:59" (1/1) ... [2024-09-07 21:17:59,474 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 09:17:59" (1/1) ... [2024-09-07 21:17:59,475 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 09:17:59" (1/1) ... [2024-09-07 21:17:59,481 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-07 21:17:59,486 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-07 21:17:59,486 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-07 21:17:59,486 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-07 21:17:59,487 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 09:17:59" (1/1) ... [2024-09-07 21:17:59,503 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-09-07 21:17:59,512 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-07 21:17:59,525 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) [2024-09-07 21:17:59,526 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 [2024-09-07 21:17:59,565 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-07 21:17:59,565 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-09-07 21:17:59,565 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-09-07 21:17:59,566 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-09-07 21:17:59,567 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-09-07 21:17:59,567 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-09-07 21:17:59,567 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-09-07 21:17:59,567 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-07 21:17:59,567 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-09-07 21:17:59,567 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-09-07 21:17:59,567 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-09-07 21:17:59,567 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-09-07 21:17:59,568 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-07 21:17:59,569 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-07 21:17:59,569 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-09-07 21:17:59,570 WARN L211 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-09-07 21:17:59,685 INFO L242 CfgBuilder]: Building ICFG [2024-09-07 21:17:59,686 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-07 21:17:59,962 INFO L287 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-09-07 21:17:59,963 INFO L291 CfgBuilder]: Performing block encoding [2024-09-07 21:18:00,154 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-07 21:18:00,155 INFO L318 CfgBuilder]: Removed 3 assume(true) statements. [2024-09-07 21:18:00,155 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.09 09:18:00 BoogieIcfgContainer [2024-09-07 21:18:00,155 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-07 21:18:00,159 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-09-07 21:18:00,159 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-09-07 21:18:00,162 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-09-07 21:18:00,162 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 07.09 09:17:56" (1/4) ... [2024-09-07 21:18:00,163 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5f77b630 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 07.09 09:18:00, skipping insertion in model container [2024-09-07 21:18:00,164 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.09 09:17:58" (2/4) ... [2024-09-07 21:18:00,164 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5f77b630 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.09 09:18:00, skipping insertion in model container [2024-09-07 21:18:00,164 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 09:17:59" (3/4) ... [2024-09-07 21:18:00,164 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5f77b630 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.09 09:18:00, skipping insertion in model container [2024-09-07 21:18:00,164 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.09 09:18:00" (4/4) ... [2024-09-07 21:18:00,166 INFO L112 eAbstractionObserver]: Analyzing ICFG parallel-min-max-1.wvr.c [2024-09-07 21:18:00,181 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-09-07 21:18:00,182 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2024-09-07 21:18:00,182 INFO L484 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-09-07 21:18:00,229 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2024-09-07 21:18:00,265 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-09-07 21:18:00,266 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-09-07 21:18:00,266 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-07 21:18:00,267 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) [2024-09-07 21:18:00,269 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 [2024-09-07 21:18:00,300 INFO L157 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-09-07 21:18:00,313 INFO L335 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-09-07 21:18:00,321 INFO L336 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, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=None, 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;@5a0e44b9, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-09-07 21:18:00,323 INFO L337 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2024-09-07 21:18:00,446 INFO L399 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 3 more)] === [2024-09-07 21:18:00,451 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-07 21:18:00,452 INFO L85 PathProgramCache]: Analyzing trace with hash -1829104333, now seen corresponding path program 1 times [2024-09-07 21:18:00,459 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-07 21:18:00,460 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1973485689] [2024-09-07 21:18:00,460 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-07 21:18:00,461 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-07 21:18:00,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-07 21:18:00,883 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-07 21:18:00,884 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-07 21:18:00,884 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1973485689] [2024-09-07 21:18:00,885 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1973485689] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-07 21:18:00,885 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-07 21:18:00,885 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-09-07 21:18:00,887 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [86355500] [2024-09-07 21:18:00,887 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-07 21:18:00,891 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-09-07 21:18:00,892 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-07 21:18:00,913 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-09-07 21:18:00,914 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-09-07 21:18:00,915 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-07 21:18:00,916 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-07 21:18:00,917 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 2 states have internal predecessors, (10), 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) [2024-09-07 21:18:00,917 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-07 21:18:00,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-07 21:18:00,944 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-09-07 21:18:00,944 INFO L399 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 3 more)] === [2024-09-07 21:18:00,945 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-07 21:18:00,945 INFO L85 PathProgramCache]: Analyzing trace with hash -135658797, now seen corresponding path program 1 times [2024-09-07 21:18:00,945 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-07 21:18:00,945 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2124365506] [2024-09-07 21:18:00,946 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-07 21:18:00,946 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-07 21:18:00,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-07 21:18:01,285 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-07 21:18:01,285 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-07 21:18:01,285 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2124365506] [2024-09-07 21:18:01,285 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2124365506] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-07 21:18:01,286 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [361406099] [2024-09-07 21:18:01,286 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-07 21:18:01,286 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-07 21:18:01,286 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-07 21:18:01,289 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-09-07 21:18:01,292 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-09-07 21:18:01,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-07 21:18:01,367 INFO L262 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-09-07 21:18:01,371 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-07 21:18:01,568 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-07 21:18:01,569 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-07 21:18:01,867 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-07 21:18:01,868 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [361406099] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-07 21:18:01,868 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-09-07 21:18:01,868 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 10 [2024-09-07 21:18:01,868 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2086419225] [2024-09-07 21:18:01,869 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-09-07 21:18:01,869 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-09-07 21:18:01,869 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-07 21:18:01,871 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-09-07 21:18:01,871 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=83, Unknown=0, NotChecked=0, Total=132 [2024-09-07 21:18:01,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-07 21:18:01,872 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-07 21:18:01,872 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 2.272727272727273) internal successors, (25), 11 states have internal predecessors, (25), 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) [2024-09-07 21:18:01,873 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-07 21:18:01,873 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-07 21:18:02,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-07 21:18:02,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-09-07 21:18:02,545 INFO L785 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT (5 of 6 remaining) [2024-09-07 21:18:02,545 INFO L785 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT (4 of 6 remaining) [2024-09-07 21:18:02,546 INFO L785 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (3 of 6 remaining) [2024-09-07 21:18:02,546 INFO L785 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 6 remaining) [2024-09-07 21:18:02,546 INFO L785 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 6 remaining) [2024-09-07 21:18:02,546 INFO L785 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 6 remaining) [2024-09-07 21:18:02,560 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-09-07 21:18:02,750 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2024-09-07 21:18:02,758 INFO L408 BasicCegarLoop]: Path program histogram: [1, 1] [2024-09-07 21:18:02,762 INFO L234 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-09-07 21:18:02,762 INFO L165 ceAbstractionStarter]: Computing trace abstraction results [2024-09-07 21:18:02,764 INFO L469 ceAbstractionStarter]: Automizer considered 3 witness invariants [2024-09-07 21:18:02,765 INFO L470 ceAbstractionStarter]: WitnessConsidered=3 [2024-09-07 21:18:02,766 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.09 09:18:02 BasicIcfg [2024-09-07 21:18:02,766 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-09-07 21:18:02,767 INFO L158 Benchmark]: Toolchain (without parser) took 3951.80ms. Allocated memory was 159.4MB in the beginning and 213.9MB in the end (delta: 54.5MB). Free memory was 84.5MB in the beginning and 145.4MB in the end (delta: -61.0MB). Peak memory consumption was 82.8MB. Max. memory is 16.1GB. [2024-09-07 21:18:02,767 INFO L158 Benchmark]: Witness Parser took 0.17ms. Allocated memory is still 159.4MB. Free memory is still 110.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-07 21:18:02,768 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 159.4MB. Free memory was 130.4MB in the beginning and 130.2MB in the end (delta: 257.1kB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-07 21:18:02,768 INFO L158 Benchmark]: CACSL2BoogieTranslator took 527.71ms. Allocated memory is still 159.4MB. Free memory was 84.2MB in the beginning and 68.2MB in the end (delta: 16.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-09-07 21:18:02,769 INFO L158 Benchmark]: Boogie Procedure Inliner took 75.43ms. Allocated memory is still 159.4MB. Free memory was 68.2MB in the beginning and 65.7MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-07 21:18:02,772 INFO L158 Benchmark]: Boogie Preprocessor took 63.28ms. Allocated memory is still 159.4MB. Free memory was 65.7MB in the beginning and 63.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-07 21:18:02,772 INFO L158 Benchmark]: RCFGBuilder took 669.47ms. Allocated memory was 159.4MB in the beginning and 213.9MB in the end (delta: 54.5MB). Free memory was 63.6MB in the beginning and 134.6MB in the end (delta: -71.0MB). Peak memory consumption was 19.2MB. Max. memory is 16.1GB. [2024-09-07 21:18:02,772 INFO L158 Benchmark]: TraceAbstraction took 2607.19ms. Allocated memory is still 213.9MB. Free memory was 133.5MB in the beginning and 145.4MB in the end (delta: -11.9MB). Peak memory consumption was 76.2MB. Max. memory is 16.1GB. [2024-09-07 21:18:02,774 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 0.17ms. Allocated memory is still 159.4MB. Free memory is still 110.0MB. There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.13ms. Allocated memory is still 159.4MB. Free memory was 130.4MB in the beginning and 130.2MB in the end (delta: 257.1kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 527.71ms. Allocated memory is still 159.4MB. Free memory was 84.2MB in the beginning and 68.2MB in the end (delta: 16.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 75.43ms. Allocated memory is still 159.4MB. Free memory was 68.2MB in the beginning and 65.7MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 63.28ms. Allocated memory is still 159.4MB. Free memory was 65.7MB in the beginning and 63.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 669.47ms. Allocated memory was 159.4MB in the beginning and 213.9MB in the end (delta: 54.5MB). Free memory was 63.6MB in the beginning and 134.6MB in the end (delta: -71.0MB). Peak memory consumption was 19.2MB. Max. memory is 16.1GB. * TraceAbstraction took 2607.19ms. Allocated memory is still 213.9MB. Free memory was 133.5MB in the beginning and 145.4MB in the end (delta: -11.9MB). Peak memory consumption was 76.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Partial order reduction statistics Independence relation #1 benchmarks: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 4339, independent: 3939, independent conditional: 3055, independent unconditional: 884, dependent: 400, dependent conditional: 369, dependent unconditional: 31, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 4043, independent: 3939, independent conditional: 3055, independent unconditional: 884, dependent: 104, dependent conditional: 73, dependent unconditional: 31, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 4043, independent: 3939, independent conditional: 3055, independent unconditional: 884, dependent: 104, dependent conditional: 73, dependent unconditional: 31, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 4158, independent: 3939, independent conditional: 3055, independent unconditional: 884, dependent: 219, dependent conditional: 188, dependent unconditional: 31, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 4158, independent: 3939, independent conditional: 42, independent unconditional: 3897, dependent: 219, dependent conditional: 73, dependent unconditional: 146, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 4158, independent: 3939, independent conditional: 42, independent unconditional: 3897, dependent: 219, dependent conditional: 73, dependent unconditional: 146, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 880, independent: 839, independent conditional: 8, independent unconditional: 831, dependent: 41, dependent conditional: 10, dependent unconditional: 31, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 880, independent: 817, independent conditional: 0, independent unconditional: 817, dependent: 63, dependent conditional: 0, dependent unconditional: 63, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 63, independent: 22, independent conditional: 8, independent unconditional: 14, dependent: 41, dependent conditional: 10, dependent unconditional: 31, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 63, independent: 22, independent conditional: 8, independent unconditional: 14, dependent: 41, dependent conditional: 10, dependent unconditional: 31, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 290, independent: 118, independent conditional: 27, independent unconditional: 91, dependent: 172, dependent conditional: 40, dependent unconditional: 132, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 4158, independent: 3100, independent conditional: 34, independent unconditional: 3066, dependent: 178, dependent conditional: 63, dependent unconditional: 115, unknown: 880, unknown conditional: 18, unknown unconditional: 862] , Statistics on independence cache: Total cache size (in pairs): 880, Positive cache size: 839, Positive conditional cache size: 8, Positive unconditional cache size: 831, Negative cache size: 41, Negative conditional cache size: 10, Negative unconditional cache size: 31, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 3128, Maximal queried relation: 1, Independence queries for same thread: 296, Persistent sets #1 benchmarks: Persistent set computation time: 0.3s, Number of persistent set computation: 506, Number of trivial persistent sets: 340, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 915, independent: 884, independent conditional: 0, independent unconditional: 884, dependent: 31, dependent conditional: 0, dependent unconditional: 31, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 4339, independent: 3939, independent conditional: 3055, independent unconditional: 884, dependent: 400, dependent conditional: 369, dependent unconditional: 31, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 4043, independent: 3939, independent conditional: 3055, independent unconditional: 884, dependent: 104, dependent conditional: 73, dependent unconditional: 31, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 4043, independent: 3939, independent conditional: 3055, independent unconditional: 884, dependent: 104, dependent conditional: 73, dependent unconditional: 31, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 4158, independent: 3939, independent conditional: 3055, independent unconditional: 884, dependent: 219, dependent conditional: 188, dependent unconditional: 31, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 4158, independent: 3939, independent conditional: 42, independent unconditional: 3897, dependent: 219, dependent conditional: 73, dependent unconditional: 146, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 4158, independent: 3939, independent conditional: 42, independent unconditional: 3897, dependent: 219, dependent conditional: 73, dependent unconditional: 146, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 880, independent: 839, independent conditional: 8, independent unconditional: 831, dependent: 41, dependent conditional: 10, dependent unconditional: 31, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 880, independent: 817, independent conditional: 0, independent unconditional: 817, dependent: 63, dependent conditional: 0, dependent unconditional: 63, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 63, independent: 22, independent conditional: 8, independent unconditional: 14, dependent: 41, dependent conditional: 10, dependent unconditional: 31, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 63, independent: 22, independent conditional: 8, independent unconditional: 14, dependent: 41, dependent conditional: 10, dependent unconditional: 31, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 290, independent: 118, independent conditional: 27, independent unconditional: 91, dependent: 172, dependent conditional: 40, dependent unconditional: 132, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 4158, independent: 3100, independent conditional: 34, independent unconditional: 3066, dependent: 178, dependent conditional: 63, dependent unconditional: 115, unknown: 880, unknown conditional: 18, unknown unconditional: 862] , Statistics on independence cache: Total cache size (in pairs): 880, Positive cache size: 839, Positive conditional cache size: 8, Positive unconditional cache size: 831, Negative cache size: 41, Negative conditional cache size: 10, Negative unconditional cache size: 31, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 3128, Maximal queried relation: 1, Independence queries for same thread: 296 - PositiveResult [Line: 108]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - PositiveResult [Line: 109]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - PositiveResult [Line: 110]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 7 procedures, 65 locations, 6 error locations. Started 1 CEGAR loops. OverallTime: 2.5s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.8s, 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: 10, 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, 1.0s InterpolantComputationTime, 32 NumberOfCodeBlocks, 32 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 39 ConstructedInterpolants, 0 QuantifiedInterpolants, 734 SizeOfPredicates, 6 NumberOfNonLiveVariables, 108 ConjunctsInSsa, 10 ConjunctsInUnsatCore, 4 InterpolantComputations, 1 PerfectInterpolantSequences, 0/3 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 - AllSpecificationsHoldResult: All specifications hold 3 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-09-07 21:18:02,808 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Ended with exit code 0 [2024-09-07 21:18:03,004 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 Result: TRUE