./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/goblint-regression/36-apron_11-traces-max-simple_true.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/mutex-meet-ghost/36-apron_11-traces-max-simple_true.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/goblint-regression/36-apron_11-traces-max-simple_true.i ./goblint.2024-09-02_08-21-23.files/mutex-meet-ghost/36-apron_11-traces-max-simple_true.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 [2024-09-23 00:21:02,391 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-23 00:21:02,473 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf [2024-09-23 00:21:02,478 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-23 00:21:02,478 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-23 00:21:02,508 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-23 00:21:02,510 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-23 00:21:02,511 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-23 00:21:02,512 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-23 00:21:02,513 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-23 00:21:02,513 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-23 00:21:02,514 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-23 00:21:02,514 INFO L153 SettingsManager]: * Use SBE=true [2024-09-23 00:21:02,515 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-23 00:21:02,516 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-23 00:21:02,517 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-23 00:21:02,517 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-23 00:21:02,517 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-23 00:21:02,518 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-23 00:21:02,518 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-23 00:21:02,518 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-23 00:21:02,519 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-23 00:21:02,519 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-23 00:21:02,519 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-23 00:21:02,519 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-23 00:21:02,520 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-23 00:21:02,520 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-23 00:21:02,520 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-23 00:21:02,521 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-23 00:21:02,521 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-23 00:21:02,521 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-09-23 00:21:02,522 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-23 00:21:02,522 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-23 00:21:02,522 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-23 00:21:02,522 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-23 00:21:02,523 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2024-09-23 00:21:02,523 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-23 00:21:02,523 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-23 00:21:02,524 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-09-23 00:21:02,524 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-09-23 00:21:02,524 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-09-23 00:21:02,525 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of reach_error function -> false [2024-09-23 00:21:02,805 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-23 00:21:02,836 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-23 00:21:02,840 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-23 00:21:02,842 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-23 00:21:02,842 INFO L274 PluginConnector]: CDTParser initialized [2024-09-23 00:21:02,844 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/goblint-regression/36-apron_11-traces-max-simple_true.i [2024-09-23 00:21:04,280 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-23 00:21:04,546 INFO L384 CDTParser]: Found 1 translation units. [2024-09-23 00:21:04,547 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/36-apron_11-traces-max-simple_true.i [2024-09-23 00:21:04,565 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/1b4367a40/4fa0136fd7e2492db39127d891dddd15/FLAG9990611e8 [2024-09-23 00:21:04,864 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/1b4367a40/4fa0136fd7e2492db39127d891dddd15 [2024-09-23 00:21:04,867 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-23 00:21:04,868 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-23 00:21:04,870 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/./goblint.2024-09-02_08-21-23.files/mutex-meet-ghost/36-apron_11-traces-max-simple_true.yml/witness.yml [2024-09-23 00:21:04,929 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-23 00:21:04,930 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-09-23 00:21:04,932 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-23 00:21:04,932 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-23 00:21:04,937 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-23 00:21:04,938 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.09 12:21:04" (1/2) ... [2024-09-23 00:21:04,939 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6fe05181 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.09 12:21:04, skipping insertion in model container [2024-09-23 00:21:04,939 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.09 12:21:04" (1/2) ... [2024-09-23 00:21:04,942 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@6e6d1db2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.09 12:21:04, skipping insertion in model container [2024-09-23 00:21:04,942 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 23.09 12:21:04" (2/2) ... [2024-09-23 00:21:04,943 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6fe05181 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 23.09 12:21:04, skipping insertion in model container [2024-09-23 00:21:04,943 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 23.09 12:21:04" (2/2) ... [2024-09-23 00:21:04,978 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-23 00:21:04,979 INFO L1541 ArrayList]: Location invariant before [L694-L694] (! multithreaded || (g == 1 || g == 2)) && (! multithreaded || (A_locked || (g == 1 || g == 2))) [2024-09-23 00:21:04,979 INFO L1541 ArrayList]: ghost_variable A_locked = 0 [2024-09-23 00:21:04,980 INFO L1541 ArrayList]: ghost_variable multithreaded = 0 [2024-09-23 00:21:04,980 INFO L1541 ArrayList]: ghost_update [L698-L698] A_locked = 0; [2024-09-23 00:21:04,980 INFO L1541 ArrayList]: ghost_update [L687-L687] A_locked = 0; [2024-09-23 00:21:04,980 INFO L1541 ArrayList]: ghost_update [L694-L694] A_locked = 1; [2024-09-23 00:21:04,980 INFO L1541 ArrayList]: ghost_update [L693-L693] multithreaded = 1; [2024-09-23 00:21:04,980 INFO L1541 ArrayList]: ghost_update [L684-L684] A_locked = 1; [2024-09-23 00:21:05,019 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-23 00:21:05,365 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-23 00:21:05,381 INFO L200 MainTranslator]: Completed pre-run Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local [2024-09-23 00:21:05,482 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-23 00:21:05,568 INFO L204 MainTranslator]: Completed translation [2024-09-23 00:21:05,569 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 23.09 12:21:05 WrapperNode [2024-09-23 00:21:05,569 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-23 00:21:05,570 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-09-23 00:21:05,574 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-09-23 00:21:05,574 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-09-23 00:21:05,609 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 23.09 12:21:05" (1/1) ... [2024-09-23 00:21:05,635 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 23.09 12:21:05" (1/1) ... [2024-09-23 00:21:05,656 INFO L138 Inliner]: procedures = 162, calls = 20, calls flagged for inlining = 5, calls inlined = 6, statements flattened = 71 [2024-09-23 00:21:05,656 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-09-23 00:21:05,657 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-23 00:21:05,657 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-23 00:21:05,658 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-23 00:21:05,665 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 23.09 12:21:05" (1/1) ... [2024-09-23 00:21:05,665 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 23.09 12:21:05" (1/1) ... [2024-09-23 00:21:05,668 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 23.09 12:21:05" (1/1) ... [2024-09-23 00:21:05,669 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 23.09 12:21:05" (1/1) ... [2024-09-23 00:21:05,674 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 23.09 12:21:05" (1/1) ... [2024-09-23 00:21:05,677 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 23.09 12:21:05" (1/1) ... [2024-09-23 00:21:05,678 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 23.09 12:21:05" (1/1) ... [2024-09-23 00:21:05,680 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 23.09 12:21:05" (1/1) ... [2024-09-23 00:21:05,682 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-23 00:21:05,683 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-23 00:21:05,683 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-23 00:21:05,683 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-23 00:21:05,684 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 23.09 12:21:05" (1/1) ... [2024-09-23 00:21:05,696 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-09-23 00:21:05,710 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-23 00:21:05,739 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) [2024-09-23 00:21:05,741 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 [2024-09-23 00:21:05,787 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-09-23 00:21:05,788 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-23 00:21:05,788 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2024-09-23 00:21:05,788 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2024-09-23 00:21:05,788 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-23 00:21:05,788 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-09-23 00:21:05,789 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-23 00:21:05,789 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-23 00:21:05,791 WARN L211 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-09-23 00:21:05,909 INFO L242 CfgBuilder]: Building ICFG [2024-09-23 00:21:05,911 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-23 00:21:06,068 INFO L287 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-09-23 00:21:06,069 INFO L291 CfgBuilder]: Performing block encoding [2024-09-23 00:21:06,185 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-23 00:21:06,186 INFO L318 CfgBuilder]: Removed 0 assume(true) statements. [2024-09-23 00:21:06,186 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.09 12:21:06 BoogieIcfgContainer [2024-09-23 00:21:06,187 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-23 00:21:06,188 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-09-23 00:21:06,189 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-09-23 00:21:06,192 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-09-23 00:21:06,193 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.09 12:21:04" (1/4) ... [2024-09-23 00:21:06,193 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@b6688c6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.09 12:21:06, skipping insertion in model container [2024-09-23 00:21:06,193 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 23.09 12:21:04" (2/4) ... [2024-09-23 00:21:06,194 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@b6688c6 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 23.09 12:21:06, skipping insertion in model container [2024-09-23 00:21:06,194 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 23.09 12:21:05" (3/4) ... [2024-09-23 00:21:06,194 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@b6688c6 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 23.09 12:21:06, skipping insertion in model container [2024-09-23 00:21:06,194 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.09 12:21:06" (4/4) ... [2024-09-23 00:21:06,198 INFO L112 eAbstractionObserver]: Analyzing ICFG 36-apron_11-traces-max-simple_true.i [2024-09-23 00:21:06,215 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-09-23 00:21:06,216 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-09-23 00:21:06,216 INFO L484 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-09-23 00:21:06,246 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-09-23 00:21:06,298 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-09-23 00:21:06,298 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-09-23 00:21:06,299 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-23 00:21:06,300 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) [2024-09-23 00:21:06,301 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 [2024-09-23 00:21:06,330 INFO L157 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-09-23 00:21:06,345 INFO L335 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-09-23 00:21:06,353 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;@730d4cec, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-09-23 00:21:06,353 INFO L337 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-09-23 00:21:06,454 INFO L399 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-09-23 00:21:06,460 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-23 00:21:06,461 INFO L85 PathProgramCache]: Analyzing trace with hash -597504590, now seen corresponding path program 1 times [2024-09-23 00:21:06,470 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-23 00:21:06,470 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1872430627] [2024-09-23 00:21:06,471 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-23 00:21:06,471 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-23 00:21:06,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-23 00:21:06,817 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-23 00:21:06,818 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-23 00:21:06,818 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1872430627] [2024-09-23 00:21:06,819 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1872430627] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-23 00:21:06,819 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-23 00:21:06,820 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-09-23 00:21:06,822 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [24847293] [2024-09-23 00:21:06,823 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-23 00:21:06,827 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-09-23 00:21:06,828 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-23 00:21:06,858 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-09-23 00:21:06,859 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-09-23 00:21:06,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-23 00:21:06,862 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-23 00:21:06,864 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-09-23 00:21:06,865 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-23 00:21:06,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-23 00:21:06,928 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-09-23 00:21:06,929 INFO L399 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-09-23 00:21:06,930 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-23 00:21:06,930 INFO L85 PathProgramCache]: Analyzing trace with hash 958853956, now seen corresponding path program 1 times [2024-09-23 00:21:06,930 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-23 00:21:06,931 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1321101778] [2024-09-23 00:21:06,931 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-23 00:21:06,931 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-23 00:21:06,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-23 00:21:07,037 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-23 00:21:07,038 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-23 00:21:07,039 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1321101778] [2024-09-23 00:21:07,039 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1321101778] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-23 00:21:07,039 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-23 00:21:07,040 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-09-23 00:21:07,040 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [742826739] [2024-09-23 00:21:07,041 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-23 00:21:07,042 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-09-23 00:21:07,043 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-23 00:21:07,043 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-09-23 00:21:07,044 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-09-23 00:21:07,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-23 00:21:07,044 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-23 00:21:07,045 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 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) [2024-09-23 00:21:07,045 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-23 00:21:07,045 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-23 00:21:07,090 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-23 00:21:07,092 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-23 00:21:07,095 INFO L785 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT (1 of 2 remaining) [2024-09-23 00:21:07,096 INFO L785 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 2 remaining) [2024-09-23 00:21:07,097 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-09-23 00:21:07,103 INFO L408 BasicCegarLoop]: Path program histogram: [1, 1] [2024-09-23 00:21:07,107 INFO L234 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-09-23 00:21:07,108 INFO L165 ceAbstractionStarter]: Computing trace abstraction results [2024-09-23 00:21:07,114 INFO L469 ceAbstractionStarter]: Automizer considered 1 witness invariants [2024-09-23 00:21:07,115 INFO L470 ceAbstractionStarter]: WitnessConsidered=1 [2024-09-23 00:21:07,116 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.09 12:21:07 BasicIcfg [2024-09-23 00:21:07,116 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-09-23 00:21:07,117 INFO L158 Benchmark]: Toolchain (without parser) took 2187.09ms. Allocated memory is still 169.9MB. Free memory was 118.1MB in the beginning and 65.4MB in the end (delta: 52.7MB). Peak memory consumption was 50.1MB. Max. memory is 16.1GB. [2024-09-23 00:21:07,117 INFO L158 Benchmark]: CDTParser took 0.23ms. Allocated memory is still 100.7MB. Free memory was 65.7MB in the beginning and 65.7MB in the end (delta: 77.0kB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-23 00:21:07,119 INFO L158 Benchmark]: Witness Parser took 0.13ms. Allocated memory is still 169.9MB. Free memory is still 120.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-23 00:21:07,119 INFO L158 Benchmark]: CACSL2BoogieTranslator took 637.94ms. Allocated memory is still 169.9MB. Free memory was 118.1MB in the beginning and 135.6MB in the end (delta: -17.5MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-09-23 00:21:07,119 INFO L158 Benchmark]: Boogie Procedure Inliner took 86.12ms. Allocated memory is still 169.9MB. Free memory was 135.6MB in the beginning and 133.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-23 00:21:07,120 INFO L158 Benchmark]: Boogie Preprocessor took 25.21ms. Allocated memory is still 169.9MB. Free memory was 133.5MB in the beginning and 132.5MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-23 00:21:07,120 INFO L158 Benchmark]: RCFGBuilder took 503.62ms. Allocated memory is still 169.9MB. Free memory was 132.5MB in the beginning and 109.4MB in the end (delta: 23.1MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2024-09-23 00:21:07,122 INFO L158 Benchmark]: TraceAbstraction took 927.91ms. Allocated memory is still 169.9MB. Free memory was 109.4MB in the beginning and 65.4MB in the end (delta: 44.0MB). Peak memory consumption was 44.0MB. Max. memory is 16.1GB. [2024-09-23 00:21:07,124 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23ms. Allocated memory is still 100.7MB. Free memory was 65.7MB in the beginning and 65.7MB in the end (delta: 77.0kB). There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.13ms. Allocated memory is still 169.9MB. Free memory is still 120.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 637.94ms. Allocated memory is still 169.9MB. Free memory was 118.1MB in the beginning and 135.6MB in the end (delta: -17.5MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 86.12ms. Allocated memory is still 169.9MB. Free memory was 135.6MB in the beginning and 133.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 25.21ms. Allocated memory is still 169.9MB. Free memory was 133.5MB in the beginning and 132.5MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 503.62ms. Allocated memory is still 169.9MB. Free memory was 132.5MB in the beginning and 109.4MB in the end (delta: 23.1MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * TraceAbstraction took 927.91ms. Allocated memory is still 169.9MB. Free memory was 109.4MB in the beginning and 65.4MB in the end (delta: 44.0MB). Peak memory consumption was 44.0MB. 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: 57, independent: 52, independent conditional: 15, independent unconditional: 37, dependent: 5, dependent conditional: 1, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 57, independent: 52, independent conditional: 15, independent unconditional: 37, dependent: 5, dependent conditional: 1, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 57, independent: 52, independent conditional: 15, independent unconditional: 37, dependent: 5, dependent conditional: 1, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 58, independent: 52, independent conditional: 15, independent unconditional: 37, dependent: 6, dependent conditional: 2, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 58, independent: 52, independent conditional: 0, independent unconditional: 52, dependent: 6, dependent conditional: 0, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 58, independent: 52, independent conditional: 0, independent unconditional: 52, dependent: 6, dependent conditional: 0, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 41, independent: 37, independent conditional: 0, independent unconditional: 37, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 41, independent: 27, independent conditional: 0, independent unconditional: 27, dependent: 14, dependent conditional: 0, dependent unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 14, independent: 10, independent conditional: 0, independent unconditional: 10, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 14, independent: 10, independent conditional: 0, independent unconditional: 10, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 89, independent: 75, independent conditional: 0, independent unconditional: 75, dependent: 14, dependent conditional: 0, dependent unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 58, independent: 15, independent conditional: 0, independent unconditional: 15, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 41, unknown conditional: 0, unknown unconditional: 41] , Statistics on independence cache: Total cache size (in pairs): 41, Positive cache size: 37, Positive conditional cache size: 0, Positive unconditional cache size: 37, Negative cache size: 4, Negative conditional cache size: 0, Negative unconditional cache size: 4, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 17, Maximal queried relation: 1, Independence queries for same thread: 0, Persistent sets #1 benchmarks: Persistent set computation time: 0.1s, Number of persistent set computation: 15, Number of trivial persistent sets: 15, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 41, independent: 37, independent conditional: 0, independent unconditional: 37, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 57, independent: 52, independent conditional: 15, independent unconditional: 37, dependent: 5, dependent conditional: 1, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 57, independent: 52, independent conditional: 15, independent unconditional: 37, dependent: 5, dependent conditional: 1, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 57, independent: 52, independent conditional: 15, independent unconditional: 37, dependent: 5, dependent conditional: 1, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 58, independent: 52, independent conditional: 15, independent unconditional: 37, dependent: 6, dependent conditional: 2, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 58, independent: 52, independent conditional: 0, independent unconditional: 52, dependent: 6, dependent conditional: 0, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 58, independent: 52, independent conditional: 0, independent unconditional: 52, dependent: 6, dependent conditional: 0, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 41, independent: 37, independent conditional: 0, independent unconditional: 37, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 41, independent: 27, independent conditional: 0, independent unconditional: 27, dependent: 14, dependent conditional: 0, dependent unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 14, independent: 10, independent conditional: 0, independent unconditional: 10, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 14, independent: 10, independent conditional: 0, independent unconditional: 10, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 89, independent: 75, independent conditional: 0, independent unconditional: 75, dependent: 14, dependent conditional: 0, dependent unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 58, independent: 15, independent conditional: 0, independent unconditional: 15, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 41, unknown conditional: 0, unknown unconditional: 41] , Statistics on independence cache: Total cache size (in pairs): 41, Positive cache size: 37, Positive conditional cache size: 0, Positive unconditional cache size: 37, Negative cache size: 4, Negative conditional cache size: 0, Negative unconditional cache size: 4, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 17, Maximal queried relation: 1, Independence queries for same thread: 0 - PositiveResult [Line: 694]: 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 3 procedures, 24 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.8s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.2s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 6, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 17 NumberOfCodeBlocks, 17 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 15 ConstructedInterpolants, 0 QuantifiedInterpolants, 35 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 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-09-23 00:21:07,169 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Ended with exit code 0 [2024-09-23 00:21:07,363 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