./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/pthread-C-DAC/pthread-demo-datarace-1.i --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/protection-local/pthread-demo-datarace-1.yml/witness.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e94c40da 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/pthread-C-DAC/pthread-demo-datarace-1.i ./goblint.2024-09-02_08-21-23.files/protection-local/pthread-demo-datarace-1.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-dev-e94c40d-m [2024-09-24 12:31:52,395 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-24 12:31:52,478 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf [2024-09-24 12:31:52,484 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-24 12:31:52,485 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-24 12:31:52,511 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-24 12:31:52,512 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-24 12:31:52,512 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-24 12:31:52,513 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-24 12:31:52,513 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-24 12:31:52,514 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-24 12:31:52,514 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-24 12:31:52,514 INFO L153 SettingsManager]: * Use SBE=true [2024-09-24 12:31:52,515 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-24 12:31:52,515 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-24 12:31:52,515 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-24 12:31:52,516 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-24 12:31:52,516 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-24 12:31:52,516 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-24 12:31:52,517 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-24 12:31:52,517 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-24 12:31:52,521 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-24 12:31:52,522 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-24 12:31:52,522 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-24 12:31:52,522 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-24 12:31:52,522 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-24 12:31:52,522 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-24 12:31:52,523 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-24 12:31:52,523 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-24 12:31:52,523 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-24 12:31:52,523 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-09-24 12:31:52,523 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-24 12:31:52,524 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-24 12:31:52,524 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-24 12:31:52,524 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-24 12:31:52,524 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2024-09-24 12:31:52,524 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-24 12:31:52,525 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-24 12:31:52,525 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-09-24 12:31:52,525 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-09-24 12:31:52,529 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-09-24 12:31:52,529 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of reach_error function -> false [2024-09-24 12:31:52,763 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-24 12:31:52,786 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-24 12:31:52,790 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-24 12:31:52,791 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-24 12:31:52,792 INFO L274 PluginConnector]: CDTParser initialized [2024-09-24 12:31:52,793 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/pthread-C-DAC/pthread-demo-datarace-1.i [2024-09-24 12:31:54,142 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-24 12:31:54,394 INFO L384 CDTParser]: Found 1 translation units. [2024-09-24 12:31:54,395 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-C-DAC/pthread-demo-datarace-1.i [2024-09-24 12:31:54,416 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/83547ed90/2752f97f17d44d6eb66c3179d1776971/FLAG949538436 [2024-09-24 12:31:54,712 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/83547ed90/2752f97f17d44d6eb66c3179d1776971 [2024-09-24 12:31:54,715 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-24 12:31:54,715 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-24 12:31:54,716 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/./goblint.2024-09-02_08-21-23.files/protection-local/pthread-demo-datarace-1.yml/witness.yml [2024-09-24 12:31:54,766 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-24 12:31:54,767 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-09-24 12:31:54,770 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-24 12:31:54,770 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-24 12:31:54,774 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-24 12:31:54,775 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.09 12:31:54" (1/2) ... [2024-09-24 12:31:54,776 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@38b4fb2d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 12:31:54, skipping insertion in model container [2024-09-24 12:31:54,776 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.09 12:31:54" (1/2) ... [2024-09-24 12:31:54,778 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@3b525723 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 12:31:54, skipping insertion in model container [2024-09-24 12:31:54,778 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 24.09 12:31:54" (2/2) ... [2024-09-24 12:31:54,778 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@38b4fb2d and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 24.09 12:31:54, skipping insertion in model container [2024-09-24 12:31:54,778 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 24.09 12:31:54" (2/2) ... [2024-09-24 12:31:54,806 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-24 12:31:54,807 INFO L1541 ArrayList]: Location invariant before [L1326-L1326] 0 <= myglobal [2024-09-24 12:31:54,807 INFO L1541 ArrayList]: Location invariant before [L1350-L1350] 0 <= myglobal [2024-09-24 12:31:54,876 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-24 12:31:55,350 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-24 12:31:55,361 INFO L200 MainTranslator]: Completed pre-run Start Parsing Local Start Parsing Local [2024-09-24 12:31:55,446 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-24 12:31:55,521 INFO L204 MainTranslator]: Completed translation [2024-09-24 12:31:55,522 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 24.09 12:31:55 WrapperNode [2024-09-24 12:31:55,522 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-24 12:31:55,523 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-09-24 12:31:55,523 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-09-24 12:31:55,523 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-09-24 12:31:55,530 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 24.09 12:31:55" (1/1) ... [2024-09-24 12:31:55,554 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 24.09 12:31:55" (1/1) ... [2024-09-24 12:31:55,584 INFO L138 Inliner]: procedures = 364, calls = 19, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 67 [2024-09-24 12:31:55,586 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-09-24 12:31:55,586 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-24 12:31:55,587 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-24 12:31:55,587 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-24 12:31:55,594 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 24.09 12:31:55" (1/1) ... [2024-09-24 12:31:55,594 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 24.09 12:31:55" (1/1) ... [2024-09-24 12:31:55,596 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 24.09 12:31:55" (1/1) ... [2024-09-24 12:31:55,600 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 24.09 12:31:55" (1/1) ... [2024-09-24 12:31:55,603 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 24.09 12:31:55" (1/1) ... [2024-09-24 12:31:55,610 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 24.09 12:31:55" (1/1) ... [2024-09-24 12:31:55,615 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 24.09 12:31:55" (1/1) ... [2024-09-24 12:31:55,617 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 24.09 12:31:55" (1/1) ... [2024-09-24 12:31:55,624 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-24 12:31:55,625 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-24 12:31:55,625 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-24 12:31:55,625 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-24 12:31:55,626 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 24.09 12:31:55" (1/1) ... [2024-09-24 12:31:55,635 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-09-24 12:31:55,643 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-24 12:31:55,658 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) [2024-09-24 12:31:55,663 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 [2024-09-24 12:31:55,709 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-09-24 12:31:55,709 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-09-24 12:31:55,709 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-24 12:31:55,710 INFO L130 BoogieDeclarations]: Found specification of procedure thread_function_mutex [2024-09-24 12:31:55,710 INFO L138 BoogieDeclarations]: Found implementation of procedure thread_function_mutex [2024-09-24 12:31:55,710 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-24 12:31:55,711 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-24 12:31:55,712 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-24 12:31:55,714 WARN L211 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-09-24 12:31:55,839 INFO L242 CfgBuilder]: Building ICFG [2024-09-24 12:31:55,841 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-24 12:31:55,992 INFO L287 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-09-24 12:31:55,992 INFO L291 CfgBuilder]: Performing block encoding [2024-09-24 12:31:56,170 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-24 12:31:56,172 INFO L318 CfgBuilder]: Removed 2 assume(true) statements. [2024-09-24 12:31:56,172 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.09 12:31:56 BoogieIcfgContainer [2024-09-24 12:31:56,173 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-24 12:31:56,174 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-09-24 12:31:56,174 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-09-24 12:31:56,178 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-09-24 12:31:56,178 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.09 12:31:54" (1/4) ... [2024-09-24 12:31:56,178 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4dbb3b7c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.09 12:31:56, skipping insertion in model container [2024-09-24 12:31:56,179 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 24.09 12:31:54" (2/4) ... [2024-09-24 12:31:56,179 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4dbb3b7c and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 24.09 12:31:56, skipping insertion in model container [2024-09-24 12:31:56,179 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 24.09 12:31:55" (3/4) ... [2024-09-24 12:31:56,179 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4dbb3b7c and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 24.09 12:31:56, skipping insertion in model container [2024-09-24 12:31:56,180 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.09 12:31:56" (4/4) ... [2024-09-24 12:31:56,181 INFO L112 eAbstractionObserver]: Analyzing ICFG pthread-demo-datarace-1.i [2024-09-24 12:31:56,193 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-09-24 12:31:56,193 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-09-24 12:31:56,193 INFO L484 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-09-24 12:31:56,231 INFO L144 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2024-09-24 12:31:56,262 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-09-24 12:31:56,263 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-09-24 12:31:56,263 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-24 12:31:56,265 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) [2024-09-24 12:31:56,266 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 [2024-09-24 12:31:56,300 INFO L157 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-09-24 12:31:56,311 INFO L335 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == thread_function_mutexThread1of1ForFork0 ======== [2024-09-24 12:31:56,315 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;@2b49215f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-09-24 12:31:56,315 INFO L337 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-09-24 12:31:56,370 INFO L399 AbstractCegarLoop]: === Iteration 1 === Targeting thread_function_mutexErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [thread_function_mutexErr0ASSERT_VIOLATIONWITNESS_INVARIANT] === [2024-09-24 12:31:56,375 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-24 12:31:56,375 INFO L85 PathProgramCache]: Analyzing trace with hash 2056789028, now seen corresponding path program 1 times [2024-09-24 12:31:56,383 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-24 12:31:56,384 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1778956670] [2024-09-24 12:31:56,384 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-24 12:31:56,384 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-24 12:31:56,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-24 12:31:56,602 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-24 12:31:56,602 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-24 12:31:56,603 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1778956670] [2024-09-24 12:31:56,603 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1778956670] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-24 12:31:56,604 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-24 12:31:56,604 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-09-24 12:31:56,605 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1112752076] [2024-09-24 12:31:56,606 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-24 12:31:56,609 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-09-24 12:31:56,610 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-24 12:31:56,638 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-09-24 12:31:56,639 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-09-24 12:31:56,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-24 12:31:56,641 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-24 12:31:56,642 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 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) [2024-09-24 12:31:56,643 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-24 12:31:56,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-24 12:31:56,711 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-09-24 12:31:56,711 INFO L399 AbstractCegarLoop]: === Iteration 2 === Targeting thread_function_mutexErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [thread_function_mutexErr0ASSERT_VIOLATIONWITNESS_INVARIANT] === [2024-09-24 12:31:56,712 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-24 12:31:56,712 INFO L85 PathProgramCache]: Analyzing trace with hash -1116038048, now seen corresponding path program 1 times [2024-09-24 12:31:56,712 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-24 12:31:56,712 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [949008050] [2024-09-24 12:31:56,713 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-24 12:31:56,713 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-24 12:31:56,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-24 12:31:56,888 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-24 12:31:56,888 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-24 12:31:56,888 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [949008050] [2024-09-24 12:31:56,888 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [949008050] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-24 12:31:56,888 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-24 12:31:56,888 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-09-24 12:31:56,889 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1836833088] [2024-09-24 12:31:56,889 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-24 12:31:56,890 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-09-24 12:31:56,890 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-24 12:31:56,890 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-09-24 12:31:56,891 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-09-24 12:31:56,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-24 12:31:56,892 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-24 12:31:56,892 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 4.75) internal successors, (19), 3 states have internal predecessors, (19), 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) [2024-09-24 12:31:56,893 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-24 12:31:56,893 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-24 12:31:57,069 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-24 12:31:57,071 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-24 12:31:57,074 INFO L785 garLoopResultBuilder]: Registering result SAFE for location thread_function_mutexErr0ASSERT_VIOLATIONWITNESS_INVARIANT (0 of 1 remaining) [2024-09-24 12:31:57,075 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-09-24 12:31:57,081 INFO L408 BasicCegarLoop]: Path program histogram: [1, 1] [2024-09-24 12:31:57,084 INFO L312 ceAbstractionStarter]: Result for error location thread_function_mutexThread1of1ForFork0 was SAFE (1/2) [2024-09-24 12:31:57,088 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-09-24 12:31:57,088 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-09-24 12:31:57,089 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-24 12:31:57,111 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-09-24 12:31:57,112 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (3)] Waiting until timeout for monitored process [2024-09-24 12:31:57,116 INFO L157 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-09-24 12:31:57,118 INFO L335 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-09-24 12:31:57,119 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;@2b49215f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-09-24 12:31:57,121 INFO L337 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-09-24 12:31:57,159 INFO L399 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-09-24 12:31:57,163 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-24 12:31:57,164 INFO L85 PathProgramCache]: Analyzing trace with hash -73956638, now seen corresponding path program 1 times [2024-09-24 12:31:57,164 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-24 12:31:57,164 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2047592465] [2024-09-24 12:31:57,164 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-24 12:31:57,164 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-24 12:31:57,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-24 12:31:57,239 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-24 12:31:57,240 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-24 12:31:57,240 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2047592465] [2024-09-24 12:31:57,240 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2047592465] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-24 12:31:57,240 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-24 12:31:57,240 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-09-24 12:31:57,241 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1578795564] [2024-09-24 12:31:57,241 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-24 12:31:57,241 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-09-24 12:31:57,241 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-24 12:31:57,242 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-09-24 12:31:57,242 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-09-24 12:31:57,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-24 12:31:57,262 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-24 12:31:57,263 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.0) internal successors, (12), 2 states have internal predecessors, (12), 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) [2024-09-24 12:31:57,263 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-24 12:31:57,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-24 12:31:57,322 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-09-24 12:31:57,323 INFO L399 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-09-24 12:31:57,323 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-24 12:31:57,323 INFO L85 PathProgramCache]: Analyzing trace with hash -565845059, now seen corresponding path program 1 times [2024-09-24 12:31:57,323 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-24 12:31:57,324 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1814181529] [2024-09-24 12:31:57,324 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-24 12:31:57,324 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-24 12:31:57,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-24 12:31:57,399 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-24 12:31:57,400 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-24 12:31:57,400 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1814181529] [2024-09-24 12:31:57,400 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1814181529] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-24 12:31:57,401 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-24 12:31:57,401 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-09-24 12:31:57,404 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [798460700] [2024-09-24 12:31:57,404 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-24 12:31:57,404 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-09-24 12:31:57,404 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-24 12:31:57,405 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-09-24 12:31:57,405 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-09-24 12:31:57,405 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-24 12:31:57,405 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-24 12:31:57,405 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 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) [2024-09-24 12:31:57,406 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-24 12:31:57,406 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-24 12:31:57,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-24 12:31:57,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-24 12:31:57,559 INFO L785 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT (1 of 2 remaining) [2024-09-24 12:31:57,559 INFO L785 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 2 remaining) [2024-09-24 12:31:57,560 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-09-24 12:31:57,561 INFO L408 BasicCegarLoop]: Path program histogram: [1, 1] [2024-09-24 12:31:57,561 INFO L312 ceAbstractionStarter]: Result for error location ULTIMATE.start was SAFE,SAFE (2/2) [2024-09-24 12:31:57,562 INFO L234 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-09-24 12:31:57,562 INFO L165 ceAbstractionStarter]: Computing trace abstraction results [2024-09-24 12:31:57,565 INFO L469 ceAbstractionStarter]: Automizer considered 2 witness invariants [2024-09-24 12:31:57,565 INFO L470 ceAbstractionStarter]: WitnessConsidered=2 [2024-09-24 12:31:57,566 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.09 12:31:57 BasicIcfg [2024-09-24 12:31:57,566 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-09-24 12:31:57,566 INFO L158 Benchmark]: Toolchain (without parser) took 2798.97ms. Allocated memory is still 161.5MB. Free memory was 90.8MB in the beginning and 102.0MB in the end (delta: -11.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-24 12:31:57,566 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 104.9MB. Free memory is still 71.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-24 12:31:57,567 INFO L158 Benchmark]: Witness Parser took 0.13ms. Allocated memory is still 161.5MB. Free memory was 92.8MB in the beginning and 92.6MB in the end (delta: 176.9kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-24 12:31:57,567 INFO L158 Benchmark]: CACSL2BoogieTranslator took 752.66ms. Allocated memory is still 161.5MB. Free memory was 90.5MB in the beginning and 96.4MB in the end (delta: -5.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-09-24 12:31:57,567 INFO L158 Benchmark]: Boogie Procedure Inliner took 62.51ms. Allocated memory is still 161.5MB. Free memory was 96.4MB in the beginning and 93.9MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-24 12:31:57,568 INFO L158 Benchmark]: Boogie Preprocessor took 38.15ms. Allocated memory is still 161.5MB. Free memory was 93.9MB in the beginning and 92.4MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-24 12:31:57,568 INFO L158 Benchmark]: RCFGBuilder took 547.66ms. Allocated memory is still 161.5MB. Free memory was 92.4MB in the beginning and 125.7MB in the end (delta: -33.3MB). Peak memory consumption was 29.9MB. Max. memory is 16.1GB. [2024-09-24 12:31:57,568 INFO L158 Benchmark]: TraceAbstraction took 1391.56ms. Allocated memory is still 161.5MB. Free memory was 124.8MB in the beginning and 102.0MB in the end (delta: 22.9MB). Peak memory consumption was 23.6MB. Max. memory is 16.1GB. [2024-09-24 12:31:57,570 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 104.9MB. Free memory is still 71.5MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.13ms. Allocated memory is still 161.5MB. Free memory was 92.8MB in the beginning and 92.6MB in the end (delta: 176.9kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 752.66ms. Allocated memory is still 161.5MB. Free memory was 90.5MB in the beginning and 96.4MB in the end (delta: -5.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 62.51ms. Allocated memory is still 161.5MB. Free memory was 96.4MB in the beginning and 93.9MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 38.15ms. Allocated memory is still 161.5MB. Free memory was 93.9MB in the beginning and 92.4MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 547.66ms. Allocated memory is still 161.5MB. Free memory was 92.4MB in the beginning and 125.7MB in the end (delta: -33.3MB). Peak memory consumption was 29.9MB. Max. memory is 16.1GB. * TraceAbstraction took 1391.56ms. Allocated memory is still 161.5MB. Free memory was 124.8MB in the beginning and 102.0MB in the end (delta: 22.9MB). Peak memory consumption was 23.6MB. 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: 552, independent: 480, independent conditional: 218, independent unconditional: 262, dependent: 72, dependent conditional: 62, dependent unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 497, independent: 480, independent conditional: 218, independent unconditional: 262, dependent: 17, dependent conditional: 7, dependent unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 497, independent: 480, independent conditional: 218, independent unconditional: 262, dependent: 17, dependent conditional: 7, dependent unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 508, independent: 480, independent conditional: 218, independent unconditional: 262, dependent: 28, dependent conditional: 18, dependent unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 508, independent: 480, independent conditional: 3, independent unconditional: 477, dependent: 28, dependent conditional: 4, dependent unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 508, independent: 480, independent conditional: 3, independent unconditional: 477, dependent: 28, dependent conditional: 4, dependent unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 218, independent: 204, independent conditional: 3, independent unconditional: 201, dependent: 14, dependent conditional: 4, dependent unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 218, independent: 193, independent conditional: 0, independent unconditional: 193, dependent: 25, dependent conditional: 0, dependent unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 25, independent: 11, independent conditional: 3, independent unconditional: 8, dependent: 14, dependent conditional: 4, dependent unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 25, independent: 11, independent conditional: 3, independent unconditional: 8, dependent: 14, dependent conditional: 4, dependent unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 75, independent: 41, independent conditional: 9, independent unconditional: 32, dependent: 34, dependent conditional: 12, dependent unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 508, independent: 276, independent conditional: 0, independent unconditional: 276, dependent: 14, dependent conditional: 0, dependent unconditional: 14, unknown: 218, unknown conditional: 7, unknown unconditional: 211] , Statistics on independence cache: Total cache size (in pairs): 218, Positive cache size: 204, Positive conditional cache size: 3, Positive unconditional cache size: 201, Negative cache size: 14, Negative conditional cache size: 4, Negative unconditional cache size: 10, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 229, Maximal queried relation: 2, Independence queries for same thread: 55, Persistent sets #1 benchmarks: Persistent set computation time: 0.1s, Number of persistent set computation: 109, Number of trivial persistent sets: 101, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 272, independent: 262, independent conditional: 0, independent unconditional: 262, dependent: 10, dependent conditional: 0, dependent unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 552, independent: 480, independent conditional: 218, independent unconditional: 262, dependent: 72, dependent conditional: 62, dependent unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 497, independent: 480, independent conditional: 218, independent unconditional: 262, dependent: 17, dependent conditional: 7, dependent unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 497, independent: 480, independent conditional: 218, independent unconditional: 262, dependent: 17, dependent conditional: 7, dependent unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 508, independent: 480, independent conditional: 218, independent unconditional: 262, dependent: 28, dependent conditional: 18, dependent unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 508, independent: 480, independent conditional: 3, independent unconditional: 477, dependent: 28, dependent conditional: 4, dependent unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 508, independent: 480, independent conditional: 3, independent unconditional: 477, dependent: 28, dependent conditional: 4, dependent unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 218, independent: 204, independent conditional: 3, independent unconditional: 201, dependent: 14, dependent conditional: 4, dependent unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 218, independent: 193, independent conditional: 0, independent unconditional: 193, dependent: 25, dependent conditional: 0, dependent unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 25, independent: 11, independent conditional: 3, independent unconditional: 8, dependent: 14, dependent conditional: 4, dependent unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 25, independent: 11, independent conditional: 3, independent unconditional: 8, dependent: 14, dependent conditional: 4, dependent unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 75, independent: 41, independent conditional: 9, independent unconditional: 32, dependent: 34, dependent conditional: 12, dependent unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 508, independent: 276, independent conditional: 0, independent unconditional: 276, dependent: 14, dependent conditional: 0, dependent unconditional: 14, unknown: 218, unknown conditional: 7, unknown unconditional: 211] , Statistics on independence cache: Total cache size (in pairs): 218, Positive cache size: 204, Positive conditional cache size: 3, Positive unconditional cache size: 201, Negative cache size: 14, Negative conditional cache size: 4, Negative unconditional cache size: 10, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 229, Maximal queried relation: 2, Independence queries for same thread: 55 - StatisticsResult: Partial order reduction statistics Independence relation #1 benchmarks: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 552, independent: 484, independent conditional: 220, independent unconditional: 264, dependent: 68, dependent conditional: 58, dependent unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 501, independent: 484, independent conditional: 220, independent unconditional: 264, dependent: 17, dependent conditional: 7, dependent unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 501, independent: 484, independent conditional: 220, independent unconditional: 264, dependent: 17, dependent conditional: 7, dependent unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 512, independent: 484, independent conditional: 220, independent unconditional: 264, dependent: 28, dependent conditional: 18, dependent unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 512, independent: 484, independent conditional: 3, independent unconditional: 481, dependent: 28, dependent conditional: 4, dependent unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 512, independent: 484, independent conditional: 3, independent unconditional: 481, dependent: 28, dependent conditional: 4, dependent unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 220, independent: 206, independent conditional: 3, independent unconditional: 203, dependent: 14, dependent conditional: 4, dependent unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 220, independent: 195, independent conditional: 0, independent unconditional: 195, dependent: 25, dependent conditional: 0, dependent unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 25, independent: 11, independent conditional: 3, independent unconditional: 8, dependent: 14, dependent conditional: 4, dependent unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 25, independent: 11, independent conditional: 3, independent unconditional: 8, dependent: 14, dependent conditional: 4, dependent unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 76, independent: 45, independent conditional: 9, independent unconditional: 36, dependent: 31, dependent conditional: 9, dependent unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 512, independent: 278, independent conditional: 0, independent unconditional: 278, dependent: 14, dependent conditional: 0, dependent unconditional: 14, unknown: 220, unknown conditional: 7, unknown unconditional: 213] , Statistics on independence cache: Total cache size (in pairs): 220, Positive cache size: 206, Positive conditional cache size: 3, Positive unconditional cache size: 203, Negative cache size: 14, Negative conditional cache size: 4, Negative unconditional cache size: 10, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 231, Maximal queried relation: 2, Independence queries for same thread: 51, Persistent sets #1 benchmarks: Persistent set computation time: 0.1s, Number of persistent set computation: 110, Number of trivial persistent sets: 102, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 274, independent: 264, independent conditional: 0, independent unconditional: 264, dependent: 10, dependent conditional: 0, dependent unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 552, independent: 484, independent conditional: 220, independent unconditional: 264, dependent: 68, dependent conditional: 58, dependent unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 501, independent: 484, independent conditional: 220, independent unconditional: 264, dependent: 17, dependent conditional: 7, dependent unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 501, independent: 484, independent conditional: 220, independent unconditional: 264, dependent: 17, dependent conditional: 7, dependent unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 512, independent: 484, independent conditional: 220, independent unconditional: 264, dependent: 28, dependent conditional: 18, dependent unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 512, independent: 484, independent conditional: 3, independent unconditional: 481, dependent: 28, dependent conditional: 4, dependent unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 512, independent: 484, independent conditional: 3, independent unconditional: 481, dependent: 28, dependent conditional: 4, dependent unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 220, independent: 206, independent conditional: 3, independent unconditional: 203, dependent: 14, dependent conditional: 4, dependent unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 220, independent: 195, independent conditional: 0, independent unconditional: 195, dependent: 25, dependent conditional: 0, dependent unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 25, independent: 11, independent conditional: 3, independent unconditional: 8, dependent: 14, dependent conditional: 4, dependent unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 25, independent: 11, independent conditional: 3, independent unconditional: 8, dependent: 14, dependent conditional: 4, dependent unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 76, independent: 45, independent conditional: 9, independent unconditional: 36, dependent: 31, dependent conditional: 9, dependent unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 512, independent: 278, independent conditional: 0, independent unconditional: 278, dependent: 14, dependent conditional: 0, dependent unconditional: 14, unknown: 220, unknown conditional: 7, unknown unconditional: 213] , Statistics on independence cache: Total cache size (in pairs): 220, Positive cache size: 206, Positive conditional cache size: 3, Positive unconditional cache size: 203, Negative cache size: 14, Negative conditional cache size: 4, Negative unconditional cache size: 10, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 231, Maximal queried relation: 2, Independence queries for same thread: 51 - PositiveResult [Line: 1326]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - PositiveResult [Line: 1350]: 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: thread_function_mutexThread1of1ForFork0 with 1 thread instances CFG has 3 procedures, 35 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 0.8s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.3s, 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: 7, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 27 NumberOfCodeBlocks, 27 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 25 ConstructedInterpolants, 0 QuantifiedInterpolants, 67 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 4/4 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 - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 3 procedures, 35 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 0.4s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.3s, 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: 7, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 27 NumberOfCodeBlocks, 27 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 25 ConstructedInterpolants, 0 QuantifiedInterpolants, 67 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 2 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-09-24 12:31:57,602 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (3)] Forceful destruction successful, exit code 0 [2024-09-24 12:31:57,805 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Forceful destruction successful, exit code 0 [2024-09-24 12:31:58,001 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