./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/weaver/popl20-proofs-counter-add-4-semi-Q67.wvr.c --full-output --witness-type correctness_witness --witnessparser.only.consider.loop.invariants false --cacsl2boogietranslator.check.unreachability.of.reach_error.function false --validate ./goblint.2024-08-08_07-59-58.files/mutex-meet-ghost/popl20-proofs-counter-add-4-semi-Q67.wvr.yml/witness.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 7bc0c755 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/popl20-proofs-counter-add-4-semi-Q67.wvr.c ./goblint.2024-08-08_07-59-58.files/mutex-meet-ghost/popl20-proofs-counter-add-4-semi-Q67.wvr.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 --cacsl2boogietranslator.check.unreachability.of.reach_error.function false --- Real Ultimate output --- This is Ultimate 0.2.4-tmp.dk.goblint-validation-atomicfix-7bc0c75-m [2024-08-23 02:36:36,386 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-08-23 02:36:36,422 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf [2024-08-23 02:36:36,425 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-08-23 02:36:36,426 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-08-23 02:36:36,451 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-08-23 02:36:36,452 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-08-23 02:36:36,452 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-08-23 02:36:36,453 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-08-23 02:36:36,454 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-08-23 02:36:36,455 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-08-23 02:36:36,455 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-08-23 02:36:36,455 INFO L153 SettingsManager]: * Use SBE=true [2024-08-23 02:36:36,456 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-08-23 02:36:36,457 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-08-23 02:36:36,458 INFO L153 SettingsManager]: * sizeof long=4 [2024-08-23 02:36:36,458 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-08-23 02:36:36,458 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-08-23 02:36:36,458 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-08-23 02:36:36,458 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-08-23 02:36:36,459 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-08-23 02:36:36,459 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-08-23 02:36:36,462 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-08-23 02:36:36,463 INFO L153 SettingsManager]: * sizeof long double=12 [2024-08-23 02:36:36,463 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-08-23 02:36:36,463 INFO L153 SettingsManager]: * Use constant arrays=true [2024-08-23 02:36:36,463 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-08-23 02:36:36,464 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-08-23 02:36:36,464 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-08-23 02:36:36,464 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-08-23 02:36:36,464 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-08-23 02:36:36,464 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-08-23 02:36:36,465 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-08-23 02:36:36,465 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-08-23 02:36:36,465 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-08-23 02:36:36,465 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2024-08-23 02:36:36,465 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-08-23 02:36:36,465 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-08-23 02:36:36,466 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-08-23 02:36:36,466 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-08-23 02:36:36,466 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-08-23 02:36:36,469 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-08-23 02:36:36,469 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of reach_error function -> false [2024-08-23 02:36:36,685 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-08-23 02:36:36,715 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-08-23 02:36:36,717 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-08-23 02:36:36,719 INFO L270 PluginConnector]: Initializing CDTParser... [2024-08-23 02:36:36,719 INFO L274 PluginConnector]: CDTParser initialized [2024-08-23 02:36:36,720 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/weaver/popl20-proofs-counter-add-4-semi-Q67.wvr.c [2024-08-23 02:36:38,030 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-08-23 02:36:38,202 INFO L384 CDTParser]: Found 1 translation units. [2024-08-23 02:36:38,204 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-proofs-counter-add-4-semi-Q67.wvr.c [2024-08-23 02:36:38,219 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/226cf41e8/f9d6416700a442589f91e274b97d6e95/FLAGcd10bd58c [2024-08-23 02:36:38,239 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/226cf41e8/f9d6416700a442589f91e274b97d6e95 [2024-08-23 02:36:38,241 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-08-23 02:36:38,242 INFO L274 PluginConnector]: Witness Parser initialized [2024-08-23 02:36:38,242 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/./goblint.2024-08-08_07-59-58.files/mutex-meet-ghost/popl20-proofs-counter-add-4-semi-Q67.wvr.yml/witness.yml [2024-08-23 02:36:38,356 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-08-23 02:36:38,361 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-08-23 02:36:38,362 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-08-23 02:36:38,362 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-08-23 02:36:38,368 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-08-23 02:36:38,369 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.08 02:36:38" (1/2) ... [2024-08-23 02:36:38,369 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4205e158 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.08 02:36:38, skipping insertion in model container [2024-08-23 02:36:38,370 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.08 02:36:38" (1/2) ... [2024-08-23 02:36:38,371 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@219b9b0b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.08 02:36:38, skipping insertion in model container [2024-08-23 02:36:38,371 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 23.08 02:36:38" (2/2) ... [2024-08-23 02:36:38,373 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4205e158 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 23.08 02:36:38, skipping insertion in model container [2024-08-23 02:36:38,373 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 23.08 02:36:38" (2/2) ... [2024-08-23 02:36:38,373 INFO L83 nessWitnessExtractor]: Extracting all invariants from correctness witness [2024-08-23 02:36:38,398 INFO L95 edCorrectnessWitness]: Found the following entries in the witness: [2024-08-23 02:36:38,399 INFO L97 edCorrectnessWitness]: Location invariant before [L96-L96] (((((! multithreaded || 0 <= i2) && (! multithreaded || 0 <= j1)) && (! multithreaded || 0 <= counter)) && (! multithreaded || 0 <= i1)) && (! multithreaded || 0 <= j2)) && (! multithreaded || ((((0 <= i1 && 0 <= i2) && 0 <= counter) && 0 <= j1) && 0 <= j2)) [2024-08-23 02:36:38,399 INFO L97 edCorrectnessWitness]: Location invariant before [L97-L97] (((((! multithreaded || 0 <= i2) && (! multithreaded || 0 <= j1)) && (! multithreaded || 0 <= counter)) && (! multithreaded || 0 <= i1)) && (! multithreaded || 0 <= j2)) && (! multithreaded || ((((0 <= i1 && 0 <= i2) && 0 <= counter) && 0 <= j1) && 0 <= j2)) [2024-08-23 02:36:38,399 INFO L97 edCorrectnessWitness]: Location invariant before [L98-L98] (((((! multithreaded || 0 <= i2) && (! multithreaded || 0 <= j1)) && (! multithreaded || 0 <= counter)) && (! multithreaded || 0 <= i1)) && (! multithreaded || 0 <= j2)) && (! multithreaded || ((((0 <= i1 && 0 <= i2) && 0 <= counter) && 0 <= j1) && 0 <= j2)) [2024-08-23 02:36:38,400 INFO L97 edCorrectnessWitness]: Location invariant before [L99-L99] (((((! multithreaded || 0 <= i2) && (! multithreaded || 0 <= j1)) && (! multithreaded || 0 <= counter)) && (! multithreaded || 0 <= i1)) && (! multithreaded || 0 <= j2)) && (! multithreaded || ((((0 <= i1 && 0 <= i2) && 0 <= counter) && 0 <= j1) && 0 <= j2)) [2024-08-23 02:36:38,400 INFO L103 edCorrectnessWitness]: ghost_variable multithreaded = 0 [2024-08-23 02:36:38,400 INFO L106 edCorrectnessWitness]: ghost_update [L95-L95] multithreaded = 1; [2024-08-23 02:36:38,418 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-08-23 02:36:38,583 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-08-23 02:36:38,599 INFO L202 MainTranslator]: Completed pre-run Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local [2024-08-23 02:36:38,680 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-08-23 02:36:38,699 INFO L206 MainTranslator]: Completed translation [2024-08-23 02:36:38,700 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 23.08 02:36:38 WrapperNode [2024-08-23 02:36:38,700 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-08-23 02:36:38,701 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-08-23 02:36:38,701 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-08-23 02:36:38,701 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-08-23 02:36:38,707 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 23.08 02:36:38" (1/1) ... [2024-08-23 02:36:38,718 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 23.08 02:36:38" (1/1) ... [2024-08-23 02:36:38,738 INFO L138 Inliner]: procedures = 21, calls = 23, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 123 [2024-08-23 02:36:38,738 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-08-23 02:36:38,739 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-08-23 02:36:38,739 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-08-23 02:36:38,739 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-08-23 02:36:38,747 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 23.08 02:36:38" (1/1) ... [2024-08-23 02:36:38,748 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 23.08 02:36:38" (1/1) ... [2024-08-23 02:36:38,775 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 23.08 02:36:38" (1/1) ... [2024-08-23 02:36:38,780 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 23.08 02:36:38" (1/1) ... [2024-08-23 02:36:38,786 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 23.08 02:36:38" (1/1) ... [2024-08-23 02:36:38,795 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 23.08 02:36:38" (1/1) ... [2024-08-23 02:36:38,801 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 23.08 02:36:38" (1/1) ... [2024-08-23 02:36:38,802 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 23.08 02:36:38" (1/1) ... [2024-08-23 02:36:38,823 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-08-23 02:36:38,826 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-08-23 02:36:38,826 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-08-23 02:36:38,826 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-08-23 02:36:38,827 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 23.08 02:36:38" (1/1) ... [2024-08-23 02:36:38,842 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-08-23 02:36:38,849 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-23 02:36:38,861 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) [2024-08-23 02:36:38,872 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 [2024-08-23 02:36:38,890 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-08-23 02:36:38,890 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-08-23 02:36:38,890 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-08-23 02:36:38,890 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-08-23 02:36:38,890 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-08-23 02:36:38,891 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-08-23 02:36:38,891 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-08-23 02:36:38,891 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2024-08-23 02:36:38,891 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2024-08-23 02:36:38,891 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-08-23 02:36:38,891 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-08-23 02:36:38,891 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-08-23 02:36:38,891 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-08-23 02:36:38,891 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-08-23 02:36:38,893 WARN L212 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-08-23 02:36:38,989 INFO L243 CfgBuilder]: Building ICFG [2024-08-23 02:36:38,993 INFO L269 CfgBuilder]: Building CFG for each procedure with an implementation [2024-08-23 02:36:39,281 INFO L288 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-08-23 02:36:39,281 INFO L292 CfgBuilder]: Performing block encoding [2024-08-23 02:36:39,418 INFO L314 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-08-23 02:36:39,418 INFO L319 CfgBuilder]: Removed 4 assume(true) statements. [2024-08-23 02:36:39,419 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.08 02:36:39 BoogieIcfgContainer [2024-08-23 02:36:39,419 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-08-23 02:36:39,422 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-08-23 02:36:39,423 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-08-23 02:36:39,425 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-08-23 02:36:39,425 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.08 02:36:38" (1/4) ... [2024-08-23 02:36:39,426 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4ea32cf8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.08 02:36:39, skipping insertion in model container [2024-08-23 02:36:39,426 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 23.08 02:36:38" (2/4) ... [2024-08-23 02:36:39,427 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4ea32cf8 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 23.08 02:36:39, skipping insertion in model container [2024-08-23 02:36:39,427 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 23.08 02:36:38" (3/4) ... [2024-08-23 02:36:39,428 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4ea32cf8 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 23.08 02:36:39, skipping insertion in model container [2024-08-23 02:36:39,428 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.08 02:36:39" (4/4) ... [2024-08-23 02:36:39,429 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-proofs-counter-add-4-semi-Q67.wvr.c [2024-08-23 02:36:39,442 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-08-23 02:36:39,443 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2024-08-23 02:36:39,443 INFO L522 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-08-23 02:36:39,496 INFO L144 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2024-08-23 02:36:39,541 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-08-23 02:36:39,541 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-08-23 02:36:39,542 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-23 02:36:39,544 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) [2024-08-23 02:36:39,546 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 [2024-08-23 02:36:39,587 INFO L158 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-08-23 02:36:39,599 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-08-23 02:36:39,608 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;@634ad784, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-08-23 02:36:39,609 INFO L358 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2024-08-23 02:36:39,689 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 5 more)] === [2024-08-23 02:36:39,693 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-23 02:36:39,694 INFO L85 PathProgramCache]: Analyzing trace with hash -917688631, now seen corresponding path program 1 times [2024-08-23 02:36:39,700 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-23 02:36:39,700 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2063493955] [2024-08-23 02:36:39,701 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-23 02:36:39,701 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-23 02:36:39,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-23 02:36:40,008 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-23 02:36:40,008 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-23 02:36:40,009 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2063493955] [2024-08-23 02:36:40,009 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2063493955] provided 1 perfect and 0 imperfect interpolant sequences [2024-08-23 02:36:40,009 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-08-23 02:36:40,009 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-08-23 02:36:40,011 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1238115374] [2024-08-23 02:36:40,011 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-08-23 02:36:40,014 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-08-23 02:36:40,014 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-23 02:36:40,034 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-08-23 02:36:40,035 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-08-23 02:36:40,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-23 02:36:40,037 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-23 02:36:40,038 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 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) [2024-08-23 02:36:40,038 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-23 02:36:40,524 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-23 02:36:40,524 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-08-23 02:36:40,525 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 5 more)] === [2024-08-23 02:36:40,525 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-23 02:36:40,525 INFO L85 PathProgramCache]: Analyzing trace with hash 58397368, now seen corresponding path program 1 times [2024-08-23 02:36:40,525 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-23 02:36:40,526 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [793709375] [2024-08-23 02:36:40,526 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-23 02:36:40,526 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-23 02:36:40,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-23 02:36:40,889 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-23 02:36:40,889 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-23 02:36:40,889 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [793709375] [2024-08-23 02:36:40,889 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [793709375] provided 1 perfect and 0 imperfect interpolant sequences [2024-08-23 02:36:40,890 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-08-23 02:36:40,890 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-08-23 02:36:40,890 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [437185353] [2024-08-23 02:36:40,890 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-08-23 02:36:40,891 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-08-23 02:36:40,891 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-23 02:36:40,891 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-08-23 02:36:40,892 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-08-23 02:36:40,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-23 02:36:40,893 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-23 02:36:40,894 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 3.4285714285714284) internal successors, (24), 7 states have internal predecessors, (24), 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) [2024-08-23 02:36:40,894 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-08-23 02:36:40,894 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-23 02:36:41,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-23 02:36:41,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-08-23 02:36:41,710 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-08-23 02:36:41,710 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 5 more)] === [2024-08-23 02:36:41,711 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-23 02:36:41,711 INFO L85 PathProgramCache]: Analyzing trace with hash -1111599376, now seen corresponding path program 1 times [2024-08-23 02:36:41,711 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-23 02:36:41,712 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [124087147] [2024-08-23 02:36:41,712 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-23 02:36:41,712 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-23 02:36:41,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-23 02:36:41,879 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-23 02:36:41,879 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-23 02:36:41,879 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [124087147] [2024-08-23 02:36:41,880 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [124087147] provided 0 perfect and 1 imperfect interpolant sequences [2024-08-23 02:36:41,880 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [754109449] [2024-08-23 02:36:41,880 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-23 02:36:41,880 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-23 02:36:41,880 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-23 02:36:41,886 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) [2024-08-23 02:36:41,887 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-08-23 02:36:41,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-23 02:36:41,966 INFO L262 TraceCheckSpWp]: Trace formula consists of 170 conjuncts, 13 conjunts are in the unsatisfiable core [2024-08-23 02:36:41,971 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-08-23 02:36:42,353 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-23 02:36:42,354 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-08-23 02:36:42,354 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [754109449] provided 1 perfect and 0 imperfect interpolant sequences [2024-08-23 02:36:42,355 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-08-23 02:36:42,355 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [5] total 11 [2024-08-23 02:36:42,355 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [360267667] [2024-08-23 02:36:42,356 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-08-23 02:36:42,356 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-08-23 02:36:42,356 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-23 02:36:42,357 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-08-23 02:36:42,358 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=110, Unknown=0, NotChecked=0, Total=156 [2024-08-23 02:36:42,358 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-23 02:36:42,358 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-23 02:36:42,358 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 3.857142857142857) internal successors, (27), 7 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-08-23 02:36:42,358 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-08-23 02:36:42,358 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-08-23 02:36:42,359 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-23 02:36:42,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-23 02:36:42,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-08-23 02:36:42,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-08-23 02:36:42,862 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-08-23 02:36:43,045 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2024-08-23 02:36:43,046 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 5 more)] === [2024-08-23 02:36:43,047 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-23 02:36:43,047 INFO L85 PathProgramCache]: Analyzing trace with hash 618019776, now seen corresponding path program 2 times [2024-08-23 02:36:43,047 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-23 02:36:43,047 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1303819753] [2024-08-23 02:36:43,047 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-23 02:36:43,047 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-23 02:36:43,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-23 02:36:43,340 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-23 02:36:43,340 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-23 02:36:43,340 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1303819753] [2024-08-23 02:36:43,340 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1303819753] provided 0 perfect and 1 imperfect interpolant sequences [2024-08-23 02:36:43,340 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1164503542] [2024-08-23 02:36:43,340 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-08-23 02:36:43,341 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-23 02:36:43,341 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-23 02:36:43,343 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-08-23 02:36:43,345 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-08-23 02:36:43,406 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-08-23 02:36:43,406 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-08-23 02:36:43,407 INFO L262 TraceCheckSpWp]: Trace formula consists of 153 conjuncts, 8 conjunts are in the unsatisfiable core [2024-08-23 02:36:43,408 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-08-23 02:36:43,545 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-08-23 02:36:43,545 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-08-23 02:36:43,545 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1164503542] provided 1 perfect and 0 imperfect interpolant sequences [2024-08-23 02:36:43,546 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-08-23 02:36:43,546 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 9 [2024-08-23 02:36:43,546 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1168075506] [2024-08-23 02:36:43,546 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-08-23 02:36:43,546 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-08-23 02:36:43,547 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-23 02:36:43,547 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-08-23 02:36:43,547 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=76, Unknown=0, NotChecked=0, Total=110 [2024-08-23 02:36:43,547 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-23 02:36:43,547 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-23 02:36:43,548 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 5.75) internal successors, (23), 4 states have internal predecessors, (23), 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) [2024-08-23 02:36:43,548 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-08-23 02:36:43,548 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-08-23 02:36:43,548 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-08-23 02:36:43,548 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-23 02:36:44,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-23 02:36:44,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-08-23 02:36:44,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-08-23 02:36:44,027 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-23 02:36:44,029 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT (7 of 8 remaining) [2024-08-23 02:36:44,029 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT (6 of 8 remaining) [2024-08-23 02:36:44,029 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (5 of 8 remaining) [2024-08-23 02:36:44,029 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONWITNESS_INVARIANT (4 of 8 remaining) [2024-08-23 02:36:44,029 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (3 of 8 remaining) [2024-08-23 02:36:44,030 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 8 remaining) [2024-08-23 02:36:44,030 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 8 remaining) [2024-08-23 02:36:44,030 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 8 remaining) [2024-08-23 02:36:44,043 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-08-23 02:36:44,234 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-23 02:36:44,242 INFO L445 BasicCegarLoop]: Path program histogram: [2, 1, 1] [2024-08-23 02:36:44,245 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-08-23 02:36:44,245 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2024-08-23 02:36:44,247 INFO L507 ceAbstractionStarter]: Automizer considered 4 witness invariants [2024-08-23 02:36:44,247 INFO L508 ceAbstractionStarter]: WitnessConsidered=4 [2024-08-23 02:36:44,248 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.08 02:36:44 BasicIcfg [2024-08-23 02:36:44,248 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-08-23 02:36:44,248 INFO L158 Benchmark]: Toolchain (without parser) took 5887.58ms. Allocated memory was 184.5MB in the beginning and 362.8MB in the end (delta: 178.3MB). Free memory was 109.4MB in the beginning and 234.2MB in the end (delta: -124.8MB). Peak memory consumption was 129.8MB. Max. memory is 16.1GB. [2024-08-23 02:36:44,249 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 184.5MB. Free memory is still 140.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-08-23 02:36:44,249 INFO L158 Benchmark]: Witness Parser took 0.16ms. Allocated memory is still 184.5MB. Free memory is still 114.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-08-23 02:36:44,249 INFO L158 Benchmark]: CACSL2BoogieTranslator took 338.13ms. Allocated memory is still 184.5MB. Free memory was 109.2MB in the beginning and 93.8MB in the end (delta: 15.4MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-08-23 02:36:44,249 INFO L158 Benchmark]: Boogie Procedure Inliner took 38.00ms. Allocated memory is still 184.5MB. Free memory was 93.8MB in the beginning and 91.9MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-08-23 02:36:44,250 INFO L158 Benchmark]: Boogie Preprocessor took 85.99ms. Allocated memory is still 184.5MB. Free memory was 91.9MB in the beginning and 153.5MB in the end (delta: -61.6MB). Peak memory consumption was 5.0MB. Max. memory is 16.1GB. [2024-08-23 02:36:44,250 INFO L158 Benchmark]: RCFGBuilder took 593.34ms. Allocated memory is still 184.5MB. Free memory was 153.5MB in the beginning and 111.8MB in the end (delta: 41.7MB). Peak memory consumption was 39.8MB. Max. memory is 16.1GB. [2024-08-23 02:36:44,250 INFO L158 Benchmark]: TraceAbstraction took 4825.61ms. Allocated memory was 184.5MB in the beginning and 362.8MB in the end (delta: 178.3MB). Free memory was 111.6MB in the beginning and 234.2MB in the end (delta: -122.7MB). Peak memory consumption was 133.2MB. Max. memory is 16.1GB. [2024-08-23 02:36:44,252 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 184.5MB. Free memory is still 140.6MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.16ms. Allocated memory is still 184.5MB. Free memory is still 114.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 338.13ms. Allocated memory is still 184.5MB. Free memory was 109.2MB in the beginning and 93.8MB in the end (delta: 15.4MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 38.00ms. Allocated memory is still 184.5MB. Free memory was 93.8MB in the beginning and 91.9MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 85.99ms. Allocated memory is still 184.5MB. Free memory was 91.9MB in the beginning and 153.5MB in the end (delta: -61.6MB). Peak memory consumption was 5.0MB. Max. memory is 16.1GB. * RCFGBuilder took 593.34ms. Allocated memory is still 184.5MB. Free memory was 153.5MB in the beginning and 111.8MB in the end (delta: 41.7MB). Peak memory consumption was 39.8MB. Max. memory is 16.1GB. * TraceAbstraction took 4825.61ms. Allocated memory was 184.5MB in the beginning and 362.8MB in the end (delta: 178.3MB). Free memory was 111.6MB in the beginning and 234.2MB in the end (delta: -122.7MB). Peak memory consumption was 133.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 189003, independent: 170954, independent conditional: 169953, independent unconditional: 1001, dependent: 18049, dependent conditional: 18016, dependent unconditional: 33, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 173879, independent: 170954, independent conditional: 169953, independent unconditional: 1001, dependent: 2925, dependent conditional: 2892, dependent unconditional: 33, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 173879, independent: 170954, independent conditional: 169953, independent unconditional: 1001, dependent: 2925, dependent conditional: 2892, dependent unconditional: 33, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 184013, independent: 170954, independent conditional: 5432, independent unconditional: 165522, dependent: 13059, dependent conditional: 4702, dependent unconditional: 8357, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 184013, independent: 170954, independent conditional: 5432, independent unconditional: 165522, dependent: 13059, dependent conditional: 4036, dependent unconditional: 9023, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 184013, independent: 170954, independent conditional: 5432, independent unconditional: 165522, dependent: 13059, dependent conditional: 4036, dependent unconditional: 9023, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1076, independent: 974, independent conditional: 46, independent unconditional: 928, dependent: 102, dependent conditional: 69, dependent unconditional: 33, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1076, independent: 901, independent conditional: 0, independent unconditional: 901, dependent: 175, dependent conditional: 0, dependent unconditional: 175, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 175, independent: 73, independent conditional: 46, independent unconditional: 27, dependent: 102, dependent conditional: 69, dependent unconditional: 33, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 175, independent: 73, independent conditional: 46, independent unconditional: 27, dependent: 102, dependent conditional: 69, dependent unconditional: 33, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 505, independent: 215, independent conditional: 122, independent unconditional: 92, dependent: 291, dependent conditional: 172, dependent unconditional: 119, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 184013, independent: 169980, independent conditional: 5386, independent unconditional: 164594, dependent: 12957, dependent conditional: 3967, dependent unconditional: 8990, unknown: 1076, unknown conditional: 115, unknown unconditional: 961] , Statistics on independence cache: Total cache size (in pairs): 1076, Positive cache size: 974, Positive conditional cache size: 46, Positive unconditional cache size: 928, Negative cache size: 102, Negative conditional cache size: 69, Negative unconditional cache size: 33, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 666, Maximal queried relation: 4, Independence queries for same thread: 15124 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 0.3s, Number of persistent set computation: 1047, Number of trivial persistent sets: 962, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1034, independent: 1001, independent conditional: 0, independent unconditional: 1001, dependent: 33, dependent conditional: 0, dependent unconditional: 33, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 189003, independent: 170954, independent conditional: 169953, independent unconditional: 1001, dependent: 18049, dependent conditional: 18016, dependent unconditional: 33, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 173879, independent: 170954, independent conditional: 169953, independent unconditional: 1001, dependent: 2925, dependent conditional: 2892, dependent unconditional: 33, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 173879, independent: 170954, independent conditional: 169953, independent unconditional: 1001, dependent: 2925, dependent conditional: 2892, dependent unconditional: 33, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 184013, independent: 170954, independent conditional: 5432, independent unconditional: 165522, dependent: 13059, dependent conditional: 4702, dependent unconditional: 8357, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 184013, independent: 170954, independent conditional: 5432, independent unconditional: 165522, dependent: 13059, dependent conditional: 4036, dependent unconditional: 9023, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 184013, independent: 170954, independent conditional: 5432, independent unconditional: 165522, dependent: 13059, dependent conditional: 4036, dependent unconditional: 9023, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1076, independent: 974, independent conditional: 46, independent unconditional: 928, dependent: 102, dependent conditional: 69, dependent unconditional: 33, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1076, independent: 901, independent conditional: 0, independent unconditional: 901, dependent: 175, dependent conditional: 0, dependent unconditional: 175, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 175, independent: 73, independent conditional: 46, independent unconditional: 27, dependent: 102, dependent conditional: 69, dependent unconditional: 33, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 175, independent: 73, independent conditional: 46, independent unconditional: 27, dependent: 102, dependent conditional: 69, dependent unconditional: 33, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 505, independent: 215, independent conditional: 122, independent unconditional: 92, dependent: 291, dependent conditional: 172, dependent unconditional: 119, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 184013, independent: 169980, independent conditional: 5386, independent unconditional: 164594, dependent: 12957, dependent conditional: 3967, dependent unconditional: 8990, unknown: 1076, unknown conditional: 115, unknown unconditional: 961] , Statistics on independence cache: Total cache size (in pairs): 1076, Positive cache size: 974, Positive conditional cache size: 46, Positive unconditional cache size: 928, Negative cache size: 102, Negative conditional cache size: 69, Negative unconditional cache size: 33, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 666, Maximal queried relation: 4, Independence queries for same thread: 15124 - PositiveResult [Line: 96]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - PositiveResult [Line: 97]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - PositiveResult [Line: 98]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - PositiveResult [Line: 99]: 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 9 procedures, 60 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 4.7s, OverallIterations: 4, TraceHistogramMax: 0, PathProgramHistogramMax: 2, EmptinessCheckTime: 2.3s, 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: 24, 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, 1.5s InterpolantComputationTime, 136 NumberOfCodeBlocks, 131 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 130 ConstructedInterpolants, 0 QuantifiedInterpolants, 1906 SizeOfPredicates, 0 NumberOfNonLiveVariables, 323 ConjunctsInSsa, 21 ConjunctsInUnsatCore, 6 InterpolantComputations, 4 PerfectInterpolantSequences, 7/14 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 4 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-08-23 02:36:44,286 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 [2024-08-23 02:36:44,485 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE