./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/goblint-regression/13-privatized_40-traces-ex-6_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/13-privatized_40-traces-ex-6_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/13-privatized_40-traces-ex-6_true.i ./goblint.2024-09-02_08-21-23.files/mutex-meet-ghost/13-privatized_40-traces-ex-6_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 00:20:21,992 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-23 00:20:22,065 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf [2024-09-23 00:20:22,070 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-23 00:20:22,071 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-23 00:20:22,094 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-23 00:20:22,096 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-23 00:20:22,097 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-23 00:20:22,097 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-23 00:20:22,099 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-23 00:20:22,099 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-23 00:20:22,099 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-23 00:20:22,101 INFO L153 SettingsManager]: * Use SBE=true [2024-09-23 00:20:22,101 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-23 00:20:22,101 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-23 00:20:22,103 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-23 00:20:22,103 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-23 00:20:22,103 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-23 00:20:22,104 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-23 00:20:22,104 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-23 00:20:22,104 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-23 00:20:22,105 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-23 00:20:22,105 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-23 00:20:22,105 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-23 00:20:22,106 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-23 00:20:22,106 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-23 00:20:22,106 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-23 00:20:22,107 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-23 00:20:22,107 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-23 00:20:22,107 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-23 00:20:22,107 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-09-23 00:20:22,108 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-23 00:20:22,108 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-23 00:20:22,108 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-23 00:20:22,109 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-23 00:20:22,109 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2024-09-23 00:20:22,109 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-23 00:20:22,109 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-23 00:20:22,110 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-09-23 00:20:22,110 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-09-23 00:20:22,110 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-09-23 00:20:22,111 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of reach_error function -> false [2024-09-23 00:20:22,400 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-23 00:20:22,423 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-23 00:20:22,426 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-23 00:20:22,427 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-23 00:20:22,428 INFO L274 PluginConnector]: CDTParser initialized [2024-09-23 00:20:22,429 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/goblint-regression/13-privatized_40-traces-ex-6_true.i [2024-09-23 00:20:23,809 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-23 00:20:24,084 INFO L384 CDTParser]: Found 1 translation units. [2024-09-23 00:20:24,084 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_40-traces-ex-6_true.i [2024-09-23 00:20:24,103 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/f7d83ae16/ff507703ca2844a480eb8aa73969a3dc/FLAG2824dd3df [2024-09-23 00:20:24,120 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/f7d83ae16/ff507703ca2844a480eb8aa73969a3dc [2024-09-23 00:20:24,123 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-23 00:20:24,124 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-23 00:20:24,126 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/./goblint.2024-09-02_08-21-23.files/mutex-meet-ghost/13-privatized_40-traces-ex-6_true.yml/witness.yml [2024-09-23 00:20:24,203 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-23 00:20:24,204 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-09-23 00:20:24,205 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-23 00:20:24,205 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-23 00:20:24,212 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-23 00:20:24,212 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.09 12:20:24" (1/2) ... [2024-09-23 00:20:24,213 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@371e900e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.09 12:20:24, skipping insertion in model container [2024-09-23 00:20:24,213 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.09 12:20:24" (1/2) ... [2024-09-23 00:20:24,215 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@3ab4ed95 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.09 12:20:24, skipping insertion in model container [2024-09-23 00:20:24,215 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 23.09 12:20:24" (2/2) ... [2024-09-23 00:20:24,216 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@371e900e and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 23.09 12:20:24, skipping insertion in model container [2024-09-23 00:20:24,216 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 23.09 12:20:24" (2/2) ... [2024-09-23 00:20:24,246 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-23 00:20:24,247 INFO L1541 ArrayList]: Location invariant before [L696-L696] (! multithreaded || (g == 1 || g == 2)) && (! multithreaded || (D_locked || g == 2)) [2024-09-23 00:20:24,247 INFO L1541 ArrayList]: ghost_variable multithreaded = 0 [2024-09-23 00:20:24,248 INFO L1541 ArrayList]: ghost_variable A_locked = 0 [2024-09-23 00:20:24,248 INFO L1541 ArrayList]: ghost_variable D_locked = 0 [2024-09-23 00:20:24,248 INFO L1541 ArrayList]: ghost_update [L696-L696] D_locked = 1; [2024-09-23 00:20:24,248 INFO L1541 ArrayList]: ghost_update [L685-L685] D_locked = 1; [2024-09-23 00:20:24,248 INFO L1541 ArrayList]: ghost_update [L686-L686] A_locked = 1; [2024-09-23 00:20:24,248 INFO L1541 ArrayList]: ghost_update [L690-L690] D_locked = 0; [2024-09-23 00:20:24,248 INFO L1541 ArrayList]: ghost_update [L697-L697] A_locked = 1; [2024-09-23 00:20:24,249 INFO L1541 ArrayList]: ghost_update [L695-L695] multithreaded = 1; [2024-09-23 00:20:24,249 INFO L1541 ArrayList]: ghost_update [L698-L698] D_locked = 0; [2024-09-23 00:20:24,249 INFO L1541 ArrayList]: ghost_update [L688-L688] A_locked = 0; [2024-09-23 00:20:24,286 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-23 00:20:24,572 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-23 00:20:24,598 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 Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local [2024-09-23 00:20:24,694 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-23 00:20:24,733 INFO L204 MainTranslator]: Completed translation [2024-09-23 00:20:24,735 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 23.09 12:20:24 WrapperNode [2024-09-23 00:20:24,735 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-23 00:20:24,736 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-09-23 00:20:24,736 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-09-23 00:20:24,736 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-09-23 00:20:24,742 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 12:20:24" (1/1) ... [2024-09-23 00:20:24,757 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 12:20:24" (1/1) ... [2024-09-23 00:20:24,782 INFO L138 Inliner]: procedures = 162, calls = 28, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 59 [2024-09-23 00:20:24,783 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-09-23 00:20:24,784 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-23 00:20:24,784 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-23 00:20:24,784 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-23 00:20:24,792 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 12:20:24" (1/1) ... [2024-09-23 00:20:24,792 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 12:20:24" (1/1) ... [2024-09-23 00:20:24,798 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 12:20:24" (1/1) ... [2024-09-23 00:20:24,801 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 12:20:24" (1/1) ... [2024-09-23 00:20:24,809 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 12:20:24" (1/1) ... [2024-09-23 00:20:24,810 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 12:20:24" (1/1) ... [2024-09-23 00:20:24,815 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 12:20:24" (1/1) ... [2024-09-23 00:20:24,816 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 12:20:24" (1/1) ... [2024-09-23 00:20:24,818 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-23 00:20:24,819 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-23 00:20:24,819 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-23 00:20:24,819 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-23 00:20:24,824 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 12:20:24" (1/1) ... [2024-09-23 00:20:24,832 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-09-23 00:20:24,841 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-23 00:20:24,858 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 00:20:24,863 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 00:20:24,932 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-09-23 00:20:24,932 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-23 00:20:24,933 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2024-09-23 00:20:24,933 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2024-09-23 00:20:24,933 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-23 00:20:24,933 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-09-23 00:20:24,933 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-23 00:20:24,933 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-23 00:20:24,934 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 00:20:25,092 INFO L242 CfgBuilder]: Building ICFG [2024-09-23 00:20:25,094 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-23 00:20:25,256 INFO L287 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-09-23 00:20:25,257 INFO L291 CfgBuilder]: Performing block encoding [2024-09-23 00:20:25,408 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-23 00:20:25,409 INFO L318 CfgBuilder]: Removed 0 assume(true) statements. [2024-09-23 00:20:25,409 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.09 12:20:25 BoogieIcfgContainer [2024-09-23 00:20:25,409 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-23 00:20:25,411 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-09-23 00:20:25,411 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-09-23 00:20:25,416 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-09-23 00:20:25,416 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.09 12:20:24" (1/4) ... [2024-09-23 00:20:25,417 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4d1e126c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.09 12:20:25, skipping insertion in model container [2024-09-23 00:20:25,417 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 23.09 12:20:24" (2/4) ... [2024-09-23 00:20:25,417 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4d1e126c and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 23.09 12:20:25, skipping insertion in model container [2024-09-23 00:20:25,417 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 12:20:24" (3/4) ... [2024-09-23 00:20:25,418 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4d1e126c and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 23.09 12:20:25, skipping insertion in model container [2024-09-23 00:20:25,418 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.09 12:20:25" (4/4) ... [2024-09-23 00:20:25,420 INFO L112 eAbstractionObserver]: Analyzing ICFG 13-privatized_40-traces-ex-6_true.i [2024-09-23 00:20:25,438 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-09-23 00:20:25,438 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-09-23 00:20:25,438 INFO L484 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-09-23 00:20:25,475 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-09-23 00:20:25,519 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-09-23 00:20:25,519 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-09-23 00:20:25,519 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-23 00:20:25,522 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 00:20:25,523 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 00:20:25,564 INFO L157 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-09-23 00:20:25,576 INFO L335 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-09-23 00:20:25,585 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;@57946ee8, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-09-23 00:20:25,585 INFO L337 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-09-23 00:20:25,687 INFO L399 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-09-23 00:20:25,692 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-23 00:20:25,692 INFO L85 PathProgramCache]: Analyzing trace with hash 724953341, now seen corresponding path program 1 times [2024-09-23 00:20:25,701 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-23 00:20:25,701 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1161467590] [2024-09-23 00:20:25,702 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-23 00:20:25,702 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-23 00:20:25,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-23 00:20:26,047 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 00:20:26,048 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-23 00:20:26,048 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1161467590] [2024-09-23 00:20:26,049 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1161467590] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-23 00:20:26,049 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-23 00:20:26,049 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-09-23 00:20:26,050 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [884850186] [2024-09-23 00:20:26,051 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-23 00:20:26,054 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-09-23 00:20:26,055 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-23 00:20:26,092 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-09-23 00:20:26,093 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-09-23 00:20:26,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-23 00:20:26,096 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-23 00:20:26,097 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 7.0) internal successors, (14), 3 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-09-23 00:20:26,097 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-23 00:20:26,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-23 00:20:26,162 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-09-23 00:20:26,162 INFO L399 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-09-23 00:20:26,163 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-23 00:20:26,163 INFO L85 PathProgramCache]: Analyzing trace with hash 2140947392, now seen corresponding path program 1 times [2024-09-23 00:20:26,163 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-23 00:20:26,164 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1798828366] [2024-09-23 00:20:26,164 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-23 00:20:26,164 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-23 00:20:26,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-23 00:20:26,356 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 00:20:26,357 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-23 00:20:26,357 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1798828366] [2024-09-23 00:20:26,357 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1798828366] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-23 00:20:26,357 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-23 00:20:26,358 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-09-23 00:20:26,358 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1993265931] [2024-09-23 00:20:26,358 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-23 00:20:26,361 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-09-23 00:20:26,361 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-23 00:20:26,362 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-09-23 00:20:26,362 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-09-23 00:20:26,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-23 00:20:26,363 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-23 00:20:26,363 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 2.75) internal successors, (11), 5 states have internal predecessors, (11), 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 00:20:26,364 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-23 00:20:26,364 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-23 00:20:26,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-23 00:20:26,453 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-23 00:20:26,456 INFO L785 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT (1 of 2 remaining) [2024-09-23 00:20:26,457 INFO L785 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 2 remaining) [2024-09-23 00:20:26,457 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-09-23 00:20:26,464 INFO L408 BasicCegarLoop]: Path program histogram: [1, 1] [2024-09-23 00:20:26,468 INFO L234 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-09-23 00:20:26,468 INFO L165 ceAbstractionStarter]: Computing trace abstraction results [2024-09-23 00:20:26,470 INFO L469 ceAbstractionStarter]: Automizer considered 1 witness invariants [2024-09-23 00:20:26,470 INFO L470 ceAbstractionStarter]: WitnessConsidered=1 [2024-09-23 00:20:26,471 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.09 12:20:26 BasicIcfg [2024-09-23 00:20:26,471 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-09-23 00:20:26,473 INFO L158 Benchmark]: Toolchain (without parser) took 2267.86ms. Allocated memory was 153.1MB in the beginning and 190.8MB in the end (delta: 37.7MB). Free memory was 115.5MB in the beginning and 136.4MB in the end (delta: -20.9MB). Peak memory consumption was 16.3MB. Max. memory is 16.1GB. [2024-09-23 00:20:26,473 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 153.1MB. Free memory is still 125.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-23 00:20:26,473 INFO L158 Benchmark]: Witness Parser took 0.17ms. Allocated memory is still 153.1MB. Free memory was 118.2MB in the beginning and 118.1MB in the end (delta: 181.6kB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-23 00:20:26,474 INFO L158 Benchmark]: CACSL2BoogieTranslator took 529.98ms. Allocated memory is still 153.1MB. Free memory was 115.5MB in the beginning and 90.9MB in the end (delta: 24.5MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2024-09-23 00:20:26,476 INFO L158 Benchmark]: Boogie Procedure Inliner took 47.14ms. Allocated memory is still 153.1MB. Free memory was 90.9MB in the beginning and 89.3MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-23 00:20:26,477 INFO L158 Benchmark]: Boogie Preprocessor took 34.24ms. Allocated memory is still 153.1MB. Free memory was 88.8MB in the beginning and 87.7MB in the end (delta: 1.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-23 00:20:26,478 INFO L158 Benchmark]: RCFGBuilder took 590.64ms. Allocated memory is still 153.1MB. Free memory was 87.7MB in the beginning and 99.2MB in the end (delta: -11.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-09-23 00:20:26,479 INFO L158 Benchmark]: TraceAbstraction took 1060.71ms. Allocated memory was 153.1MB in the beginning and 190.8MB in the end (delta: 37.7MB). Free memory was 98.6MB in the beginning and 136.4MB in the end (delta: -37.8MB). Peak memory consumption was 2.3MB. Max. memory is 16.1GB. [2024-09-23 00:20:26,484 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 153.1MB. Free memory is still 125.0MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.17ms. Allocated memory is still 153.1MB. Free memory was 118.2MB in the beginning and 118.1MB in the end (delta: 181.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 529.98ms. Allocated memory is still 153.1MB. Free memory was 115.5MB in the beginning and 90.9MB in the end (delta: 24.5MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 47.14ms. Allocated memory is still 153.1MB. Free memory was 90.9MB in the beginning and 89.3MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 34.24ms. Allocated memory is still 153.1MB. Free memory was 88.8MB in the beginning and 87.7MB in the end (delta: 1.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 590.64ms. Allocated memory is still 153.1MB. Free memory was 87.7MB in the beginning and 99.2MB in the end (delta: -11.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * TraceAbstraction took 1060.71ms. Allocated memory was 153.1MB in the beginning and 190.8MB in the end (delta: 37.7MB). Free memory was 98.6MB in the beginning and 136.4MB in the end (delta: -37.8MB). Peak memory consumption was 2.3MB. 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: 101, independent: 90, independent conditional: 27, independent unconditional: 63, dependent: 11, dependent conditional: 1, dependent unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 101, independent: 90, independent conditional: 27, independent unconditional: 63, dependent: 11, dependent conditional: 1, dependent unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 101, independent: 90, independent conditional: 27, independent unconditional: 63, dependent: 11, dependent conditional: 1, dependent unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 102, independent: 90, independent conditional: 27, independent unconditional: 63, dependent: 12, dependent conditional: 2, dependent unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 102, independent: 90, independent conditional: 0, independent unconditional: 90, dependent: 12, dependent conditional: 0, dependent unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 102, independent: 90, independent conditional: 0, independent unconditional: 90, dependent: 12, dependent conditional: 0, dependent unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 73, independent: 63, independent conditional: 0, independent unconditional: 63, dependent: 10, dependent conditional: 0, dependent unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 73, independent: 58, independent conditional: 0, independent unconditional: 58, dependent: 15, dependent conditional: 0, dependent unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 15, independent: 5, independent conditional: 0, independent unconditional: 5, dependent: 10, dependent conditional: 0, dependent unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 15, independent: 5, independent conditional: 0, independent unconditional: 5, dependent: 10, dependent conditional: 0, dependent unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 84, independent: 26, independent conditional: 0, independent unconditional: 26, dependent: 58, dependent conditional: 0, dependent unconditional: 58, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 102, independent: 27, independent conditional: 0, independent unconditional: 27, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 73, unknown conditional: 0, unknown unconditional: 73] , Statistics on independence cache: Total cache size (in pairs): 73, Positive cache size: 63, Positive conditional cache size: 0, Positive unconditional cache size: 63, Negative cache size: 10, Negative conditional cache size: 0, Negative unconditional cache size: 10, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 29, 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: 23, Number of trivial persistent sets: 23, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 73, independent: 63, independent conditional: 0, independent unconditional: 63, 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: 101, independent: 90, independent conditional: 27, independent unconditional: 63, dependent: 11, dependent conditional: 1, dependent unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 101, independent: 90, independent conditional: 27, independent unconditional: 63, dependent: 11, dependent conditional: 1, dependent unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 101, independent: 90, independent conditional: 27, independent unconditional: 63, dependent: 11, dependent conditional: 1, dependent unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 102, independent: 90, independent conditional: 27, independent unconditional: 63, dependent: 12, dependent conditional: 2, dependent unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 102, independent: 90, independent conditional: 0, independent unconditional: 90, dependent: 12, dependent conditional: 0, dependent unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 102, independent: 90, independent conditional: 0, independent unconditional: 90, dependent: 12, dependent conditional: 0, dependent unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 73, independent: 63, independent conditional: 0, independent unconditional: 63, dependent: 10, dependent conditional: 0, dependent unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 73, independent: 58, independent conditional: 0, independent unconditional: 58, dependent: 15, dependent conditional: 0, dependent unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 15, independent: 5, independent conditional: 0, independent unconditional: 5, dependent: 10, dependent conditional: 0, dependent unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 15, independent: 5, independent conditional: 0, independent unconditional: 5, dependent: 10, dependent conditional: 0, dependent unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 84, independent: 26, independent conditional: 0, independent unconditional: 26, dependent: 58, dependent conditional: 0, dependent unconditional: 58, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 102, independent: 27, independent conditional: 0, independent unconditional: 27, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 73, unknown conditional: 0, unknown unconditional: 73] , Statistics on independence cache: Total cache size (in pairs): 73, Positive cache size: 63, Positive conditional cache size: 0, Positive unconditional cache size: 63, Negative cache size: 10, Negative conditional cache size: 0, Negative unconditional cache size: 10, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 29, Maximal queried relation: 1, Independence queries for same thread: 0 - PositiveResult [Line: 696]: 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, 34 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.9s, 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: 9, 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, 0.4s InterpolantComputationTime, 25 NumberOfCodeBlocks, 25 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 23 ConstructedInterpolants, 0 QuantifiedInterpolants, 61 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 00:20:26,525 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 00:20:26,724 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