./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/goblint-regression/13-privatized_36-traces-ex-3_true.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6497de01 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3eabba19-2f3e-40b1-844b-e5a71772485d/bin/ugemcutter-verify-Z6otQMs9Ca/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3eabba19-2f3e-40b1-844b-e5a71772485d/bin/ugemcutter-verify-Z6otQMs9Ca/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3eabba19-2f3e-40b1-844b-e5a71772485d/bin/ugemcutter-verify-Z6otQMs9Ca/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3eabba19-2f3e-40b1-844b-e5a71772485d/bin/ugemcutter-verify-Z6otQMs9Ca/config/GemCutterReach.xml -i ../../sv-benchmarks/c/goblint-regression/13-privatized_36-traces-ex-3_true.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3eabba19-2f3e-40b1-844b-e5a71772485d/bin/ugemcutter-verify-Z6otQMs9Ca/config/svcomp-Reach-32bit-GemCutter_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3eabba19-2f3e-40b1-844b-e5a71772485d/bin/ugemcutter-verify-Z6otQMs9Ca --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer GemCutter --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 00ab4006d72abca4f35a64fe9dabb6d6d9b6871c611e836e638cfc5bf3cdc124 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-6497de0 [2024-11-23 11:32:20,966 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-23 11:32:21,027 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3eabba19-2f3e-40b1-844b-e5a71772485d/bin/ugemcutter-verify-Z6otQMs9Ca/config/svcomp-Reach-32bit-GemCutter_Default.epf [2024-11-23 11:32:21,032 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-23 11:32:21,033 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-23 11:32:21,068 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-23 11:32:21,069 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-23 11:32:21,069 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-23 11:32:21,069 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-23 11:32:21,070 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-23 11:32:21,070 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-23 11:32:21,071 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-23 11:32:21,071 INFO L153 SettingsManager]: * Use SBE=true [2024-11-23 11:32:21,071 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-23 11:32:21,071 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-23 11:32:21,071 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-23 11:32:21,071 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-23 11:32:21,071 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-23 11:32:21,072 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-23 11:32:21,072 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-23 11:32:21,072 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-23 11:32:21,072 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-23 11:32:21,072 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-23 11:32:21,072 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-23 11:32:21,072 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-23 11:32:21,072 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-23 11:32:21,072 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-23 11:32:21,072 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-23 11:32:21,073 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-23 11:32:21,073 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-23 11:32:21,073 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-23 11:32:21,073 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-23 11:32:21,073 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-23 11:32:21,073 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-23 11:32:21,073 INFO L153 SettingsManager]: * Commutativity condition synthesis=NECESSARY_AND_SUFFICIENT [2024-11-23 11:32:21,073 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-23 11:32:21,073 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-23 11:32:21,073 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2024-11-23 11:32:21,074 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-23 11:32:21,074 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-23 11:32:21,076 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-11-23 11:32:21,076 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-11-23 11:32:21,076 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-11-23 11:32:21,076 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3eabba19-2f3e-40b1-844b-e5a71772485d/bin/ugemcutter-verify-Z6otQMs9Ca Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> GemCutter Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 00ab4006d72abca4f35a64fe9dabb6d6d9b6871c611e836e638cfc5bf3cdc124 [2024-11-23 11:32:21,442 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-23 11:32:21,465 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-23 11:32:21,478 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-23 11:32:21,479 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-23 11:32:21,479 INFO L274 PluginConnector]: CDTParser initialized [2024-11-23 11:32:21,485 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3eabba19-2f3e-40b1-844b-e5a71772485d/bin/ugemcutter-verify-Z6otQMs9Ca/../../sv-benchmarks/c/goblint-regression/13-privatized_36-traces-ex-3_true.i [2024-11-23 11:32:24,590 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3eabba19-2f3e-40b1-844b-e5a71772485d/bin/ugemcutter-verify-Z6otQMs9Ca/data/333158f79/4691354927da4184a097922b5438b28e/FLAGce8e7cf6b [2024-11-23 11:32:24,913 INFO L384 CDTParser]: Found 1 translation units. [2024-11-23 11:32:24,913 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3eabba19-2f3e-40b1-844b-e5a71772485d/sv-benchmarks/c/goblint-regression/13-privatized_36-traces-ex-3_true.i [2024-11-23 11:32:24,927 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3eabba19-2f3e-40b1-844b-e5a71772485d/bin/ugemcutter-verify-Z6otQMs9Ca/data/333158f79/4691354927da4184a097922b5438b28e/FLAGce8e7cf6b [2024-11-23 11:32:24,950 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3eabba19-2f3e-40b1-844b-e5a71772485d/bin/ugemcutter-verify-Z6otQMs9Ca/data/333158f79/4691354927da4184a097922b5438b28e [2024-11-23 11:32:24,954 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-23 11:32:24,956 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-23 11:32:24,958 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-23 11:32:24,959 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-23 11:32:24,964 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-23 11:32:24,965 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 11:32:24" (1/1) ... [2024-11-23 11:32:24,966 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@613a7dd1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:32:24, skipping insertion in model container [2024-11-23 11:32:24,967 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 11:32:24" (1/1) ... [2024-11-23 11:32:25,018 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-23 11:32:25,220 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3eabba19-2f3e-40b1-844b-e5a71772485d/sv-benchmarks/c/goblint-regression/13-privatized_36-traces-ex-3_true.i[1088,1101] [2024-11-23 11:32:25,452 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-23 11:32:25,476 INFO L200 MainTranslator]: Completed pre-run [2024-11-23 11:32:25,489 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3eabba19-2f3e-40b1-844b-e5a71772485d/sv-benchmarks/c/goblint-regression/13-privatized_36-traces-ex-3_true.i[1088,1101] [2024-11-23 11:32:25,523 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-23 11:32:25,563 INFO L204 MainTranslator]: Completed translation [2024-11-23 11:32:25,564 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:32:25 WrapperNode [2024-11-23 11:32:25,564 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-23 11:32:25,565 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-23 11:32:25,565 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-23 11:32:25,565 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-23 11:32:25,572 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:32:25" (1/1) ... [2024-11-23 11:32:25,585 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:32:25" (1/1) ... [2024-11-23 11:32:25,605 INFO L138 Inliner]: procedures = 162, calls = 28, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 50 [2024-11-23 11:32:25,605 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-23 11:32:25,606 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-23 11:32:25,606 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-23 11:32:25,606 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-23 11:32:25,611 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:32:25" (1/1) ... [2024-11-23 11:32:25,611 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:32:25" (1/1) ... [2024-11-23 11:32:25,614 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:32:25" (1/1) ... [2024-11-23 11:32:25,614 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:32:25" (1/1) ... [2024-11-23 11:32:25,619 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:32:25" (1/1) ... [2024-11-23 11:32:25,619 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:32:25" (1/1) ... [2024-11-23 11:32:25,621 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:32:25" (1/1) ... [2024-11-23 11:32:25,622 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:32:25" (1/1) ... [2024-11-23 11:32:25,623 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:32:25" (1/1) ... [2024-11-23 11:32:25,625 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-23 11:32:25,626 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-23 11:32:25,626 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-23 11:32:25,627 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-23 11:32:25,628 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:32:25" (1/1) ... [2024-11-23 11:32:25,633 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-23 11:32:25,651 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3eabba19-2f3e-40b1-844b-e5a71772485d/bin/ugemcutter-verify-Z6otQMs9Ca/z3 [2024-11-23 11:32:25,663 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3eabba19-2f3e-40b1-844b-e5a71772485d/bin/ugemcutter-verify-Z6otQMs9Ca/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-23 11:32:25,667 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3eabba19-2f3e-40b1-844b-e5a71772485d/bin/ugemcutter-verify-Z6otQMs9Ca/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-23 11:32:25,691 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-11-23 11:32:25,691 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-23 11:32:25,691 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2024-11-23 11:32:25,691 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2024-11-23 11:32:25,692 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-23 11:32:25,692 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-11-23 11:32:25,692 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-23 11:32:25,692 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-23 11:32:25,693 WARN L203 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-23 11:32:25,805 INFO L234 CfgBuilder]: Building ICFG [2024-11-23 11:32:25,807 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-23 11:32:25,959 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-23 11:32:25,959 INFO L283 CfgBuilder]: Performing block encoding [2024-11-23 11:32:26,103 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-23 11:32:26,103 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-23 11:32:26,103 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 11:32:26 BoogieIcfgContainer [2024-11-23 11:32:26,104 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-23 11:32:26,106 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-23 11:32:26,106 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-23 11:32:26,111 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-23 11:32:26,111 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 11:32:24" (1/3) ... [2024-11-23 11:32:26,112 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4fecfba7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 11:32:26, skipping insertion in model container [2024-11-23 11:32:26,112 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:32:25" (2/3) ... [2024-11-23 11:32:26,112 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4fecfba7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 11:32:26, skipping insertion in model container [2024-11-23 11:32:26,112 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 11:32:26" (3/3) ... [2024-11-23 11:32:26,114 INFO L128 eAbstractionObserver]: Analyzing ICFG 13-privatized_36-traces-ex-3_true.i [2024-11-23 11:32:26,129 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-23 11:32:26,131 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG 13-privatized_36-traces-ex-3_true.i that has 2 procedures, 26 locations, 1 initial locations, 0 loop locations, and 1 error locations. [2024-11-23 11:32:26,131 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-23 11:32:26,193 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-11-23 11:32:26,260 INFO L125 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-23 11:32:26,262 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-11-23 11:32:26,262 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3eabba19-2f3e-40b1-844b-e5a71772485d/bin/ugemcutter-verify-Z6otQMs9Ca/z3 [2024-11-23 11:32:26,266 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3eabba19-2f3e-40b1-844b-e5a71772485d/bin/ugemcutter-verify-Z6otQMs9Ca/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-11-23 11:32:26,268 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3eabba19-2f3e-40b1-844b-e5a71772485d/bin/ugemcutter-verify-Z6otQMs9Ca/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2024-11-23 11:32:26,356 INFO L177 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-11-23 11:32:26,375 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-11-23 11:32:26,384 INFO L333 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=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@4073d1f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-23 11:32:26,384 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-11-23 11:32:26,649 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-11-23 11:32:26,649 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-23 11:32:26,649 INFO L139 ounterexampleChecker]: Examining path program with hash -583969233, occurence #1 [2024-11-23 11:32:26,649 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-11-23 11:32:26,649 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-23 11:32:26,654 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 11:32:26,655 INFO L85 PathProgramCache]: Analyzing trace with hash -344678324, now seen corresponding path program 1 times [2024-11-23 11:32:26,662 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 11:32:26,663 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1328963400] [2024-11-23 11:32:26,663 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 11:32:26,663 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 11:32:26,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 11:32:27,147 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 11:32:27,148 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 11:32:27,149 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1328963400] [2024-11-23 11:32:27,150 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1328963400] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 11:32:27,150 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 11:32:27,151 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-23 11:32:27,152 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1837801269] [2024-11-23 11:32:27,152 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 11:32:27,156 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-23 11:32:27,157 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 11:32:27,182 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-23 11:32:27,182 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-23 11:32:27,183 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-23 11:32:27,185 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-23 11:32:27,189 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.0) internal successors, (20), 4 states have internal predecessors, (20), 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) [2024-11-23 11:32:27,190 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-23 11:32:27,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-23 11:32:27,510 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-23 11:32:27,511 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-11-23 11:32:27,511 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-23 11:32:27,511 INFO L139 ounterexampleChecker]: Examining path program with hash 1221871801, occurence #1 [2024-11-23 11:32:27,511 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-11-23 11:32:27,511 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-23 11:32:27,512 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 11:32:27,512 INFO L85 PathProgramCache]: Analyzing trace with hash -1674098688, now seen corresponding path program 2 times [2024-11-23 11:32:27,512 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 11:32:27,512 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [62001223] [2024-11-23 11:32:27,512 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-23 11:32:27,512 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 11:32:27,554 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-23 11:32:27,555 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-23 11:32:27,863 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 11:32:27,863 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 11:32:27,864 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [62001223] [2024-11-23 11:32:27,864 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [62001223] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 11:32:27,864 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 11:32:27,865 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-23 11:32:27,865 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1464304641] [2024-11-23 11:32:27,865 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 11:32:27,866 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-23 11:32:27,867 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 11:32:27,867 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-23 11:32:27,867 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-23 11:32:27,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-23 11:32:27,868 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-23 11:32:27,868 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 4.0) internal successors, (20), 4 states have internal predecessors, (20), 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) [2024-11-23 11:32:27,868 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-23 11:32:27,868 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-23 11:32:28,339 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-23 11:32:28,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-23 11:32:28,342 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (1 of 2 remaining) [2024-11-23 11:32:28,342 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 2 remaining) [2024-11-23 11:32:28,343 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-23 11:32:28,348 INFO L422 BasicCegarLoop]: Path program histogram: [2] [2024-11-23 11:32:28,351 INFO L241 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-23 11:32:28,351 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-23 11:32:28,365 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3eabba19-2f3e-40b1-844b-e5a71772485d/bin/ugemcutter-verify-Z6otQMs9Ca/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Ended with exit code 0 [2024-11-23 11:32:28,365 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 11:32:28 BasicIcfg [2024-11-23 11:32:28,366 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-23 11:32:28,366 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-23 11:32:28,366 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-23 11:32:28,366 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-23 11:32:28,367 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 11:32:26" (3/4) ... [2024-11-23 11:32:28,371 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-11-23 11:32:28,374 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure t_fun [2024-11-23 11:32:28,379 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 29 nodes and edges [2024-11-23 11:32:28,380 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2024-11-23 11:32:28,380 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-23 11:32:28,380 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-23 11:32:28,453 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3eabba19-2f3e-40b1-844b-e5a71772485d/bin/ugemcutter-verify-Z6otQMs9Ca/witness.graphml [2024-11-23 11:32:28,453 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3eabba19-2f3e-40b1-844b-e5a71772485d/bin/ugemcutter-verify-Z6otQMs9Ca/witness.yml [2024-11-23 11:32:28,453 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-23 11:32:28,455 INFO L158 Benchmark]: Toolchain (without parser) took 3498.82ms. Allocated memory is still 142.6MB. Free memory was 117.9MB in the beginning and 68.0MB in the end (delta: 50.0MB). Peak memory consumption was 48.5MB. Max. memory is 16.1GB. [2024-11-23 11:32:28,455 INFO L158 Benchmark]: CDTParser took 0.92ms. Allocated memory is still 142.6MB. Free memory is still 79.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-23 11:32:28,456 INFO L158 Benchmark]: CACSL2BoogieTranslator took 606.32ms. Allocated memory is still 142.6MB. Free memory was 117.7MB in the beginning and 98.2MB in the end (delta: 19.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-23 11:32:28,456 INFO L158 Benchmark]: Boogie Procedure Inliner took 39.99ms. Allocated memory is still 142.6MB. Free memory was 98.0MB in the beginning and 96.5MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-23 11:32:28,457 INFO L158 Benchmark]: Boogie Preprocessor took 20.03ms. Allocated memory is still 142.6MB. Free memory was 96.5MB in the beginning and 95.5MB in the end (delta: 1.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-23 11:32:28,457 INFO L158 Benchmark]: RCFGBuilder took 477.39ms. Allocated memory is still 142.6MB. Free memory was 95.5MB in the beginning and 72.8MB in the end (delta: 22.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-23 11:32:28,458 INFO L158 Benchmark]: TraceAbstraction took 2260.09ms. Allocated memory is still 142.6MB. Free memory was 72.3MB in the beginning and 71.8MB in the end (delta: 555.7kB). Peak memory consumption was 14.9MB. Max. memory is 16.1GB. [2024-11-23 11:32:28,458 INFO L158 Benchmark]: Witness Printer took 87.28ms. Allocated memory is still 142.6MB. Free memory was 71.8MB in the beginning and 68.0MB in the end (delta: 3.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-23 11:32:28,460 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.92ms. Allocated memory is still 142.6MB. Free memory is still 79.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 606.32ms. Allocated memory is still 142.6MB. Free memory was 117.7MB in the beginning and 98.2MB in the end (delta: 19.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 39.99ms. Allocated memory is still 142.6MB. Free memory was 98.0MB in the beginning and 96.5MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 20.03ms. Allocated memory is still 142.6MB. Free memory was 96.5MB in the beginning and 95.5MB in the end (delta: 1.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 477.39ms. Allocated memory is still 142.6MB. Free memory was 95.5MB in the beginning and 72.8MB in the end (delta: 22.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 2260.09ms. Allocated memory is still 142.6MB. Free memory was 72.3MB in the beginning and 71.8MB in the end (delta: 555.7kB). Peak memory consumption was 14.9MB. Max. memory is 16.1GB. * Witness Printer took 87.28ms. Allocated memory is still 142.6MB. Free memory was 71.8MB in the beginning and 68.0MB in the end (delta: 3.8MB). There was no memory consumed. 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: 283, independent: 260, independent conditional: 95, independent unconditional: 165, dependent: 23, dependent conditional: 5, dependent unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 283, independent: 260, independent conditional: 95, independent unconditional: 165, dependent: 23, dependent conditional: 5, dependent unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 283, independent: 260, independent conditional: 95, independent unconditional: 165, dependent: 23, dependent conditional: 5, dependent unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 290, independent: 260, independent conditional: 95, independent unconditional: 165, dependent: 30, dependent conditional: 12, dependent unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 290, independent: 260, independent conditional: 2, independent unconditional: 258, dependent: 30, dependent conditional: 2, dependent unconditional: 28, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 290, independent: 260, independent conditional: 2, independent unconditional: 258, dependent: 30, dependent conditional: 2, dependent unconditional: 28, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 187, independent: 167, independent conditional: 2, independent unconditional: 165, dependent: 20, dependent conditional: 2, dependent unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 187, independent: 152, independent conditional: 0, independent unconditional: 152, dependent: 35, dependent conditional: 0, dependent unconditional: 35, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 35, independent: 15, independent conditional: 2, independent unconditional: 13, dependent: 20, dependent conditional: 2, dependent unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 35, independent: 15, independent conditional: 2, independent unconditional: 13, dependent: 20, dependent conditional: 2, dependent unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 776, independent: 338, independent conditional: 46, independent unconditional: 292, dependent: 438, dependent conditional: 32, dependent unconditional: 406, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Symbolic Condition Computations: 0, Symbolic Conditions with UNKNOWN Satisfiability: 0, Protected Queries: 0 ], Cache Queries: [ total: 290, independent: 93, independent conditional: 0, independent unconditional: 93, dependent: 10, dependent conditional: 0, dependent unconditional: 10, unknown: 187, unknown conditional: 4, unknown unconditional: 183] , Statistics on independence cache: Total cache size (in pairs): 187, Positive cache size: 167, Positive conditional cache size: 2, Positive unconditional cache size: 165, Negative cache size: 20, Negative conditional cache size: 2, Negative unconditional cache size: 18, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 103, Maximal queried relation: 1, Independence queries for same thread: 0, Persistent sets #1 benchmarks: Persistent set computation time: 0.7s, Number of persistent set computation: 75, Number of trivial persistent sets: 75, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 183, independent: 165, independent conditional: 0, independent unconditional: 165, dependent: 18, dependent conditional: 0, dependent unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 283, independent: 260, independent conditional: 95, independent unconditional: 165, dependent: 23, dependent conditional: 5, dependent unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 283, independent: 260, independent conditional: 95, independent unconditional: 165, dependent: 23, dependent conditional: 5, dependent unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 283, independent: 260, independent conditional: 95, independent unconditional: 165, dependent: 23, dependent conditional: 5, dependent unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 290, independent: 260, independent conditional: 95, independent unconditional: 165, dependent: 30, dependent conditional: 12, dependent unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 290, independent: 260, independent conditional: 2, independent unconditional: 258, dependent: 30, dependent conditional: 2, dependent unconditional: 28, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 290, independent: 260, independent conditional: 2, independent unconditional: 258, dependent: 30, dependent conditional: 2, dependent unconditional: 28, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 187, independent: 167, independent conditional: 2, independent unconditional: 165, dependent: 20, dependent conditional: 2, dependent unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 187, independent: 152, independent conditional: 0, independent unconditional: 152, dependent: 35, dependent conditional: 0, dependent unconditional: 35, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 35, independent: 15, independent conditional: 2, independent unconditional: 13, dependent: 20, dependent conditional: 2, dependent unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 35, independent: 15, independent conditional: 2, independent unconditional: 13, dependent: 20, dependent conditional: 2, dependent unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 776, independent: 338, independent conditional: 46, independent unconditional: 292, dependent: 438, dependent conditional: 32, dependent unconditional: 406, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Symbolic Condition Computations: 0, Symbolic Conditions with UNKNOWN Satisfiability: 0, Protected Queries: 0 ], Cache Queries: [ total: 290, independent: 93, independent conditional: 0, independent unconditional: 93, dependent: 10, dependent conditional: 0, dependent unconditional: 10, unknown: 187, unknown conditional: 4, unknown unconditional: 183] , Statistics on independence cache: Total cache size (in pairs): 187, Positive cache size: 167, Positive conditional cache size: 2, Positive unconditional cache size: 165, Negative cache size: 20, Negative conditional cache size: 2, Negative unconditional cache size: 18, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 103, Maximal queried relation: 1, Independence queries for same thread: 0 - PositiveResult [Line: 19]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 3 procedures, 37 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 2.0s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 2, EmptinessCheckTime: 1.1s, 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: 8, 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, 0.7s InterpolantComputationTime, 40 NumberOfCodeBlocks, 40 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 38 ConstructedInterpolants, 0 QuantifiedInterpolants, 168 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, ConComCheckerStatistics: SuccessfulCommutativityProofs: 0, ConComChecker Statistics: CheckTime [ms]: 0, ConditionCalculationTime [ms]: 0, ConditionCalculations: 0, QuantifiedConditions: 0, TraceChecks: 0, UnknownTraceChecks: 0, ImperfectProofs: 0 - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-11-23 11:32:28,486 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3eabba19-2f3e-40b1-844b-e5a71772485d/bin/ugemcutter-verify-Z6otQMs9Ca/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