./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread-wmm/safe024_tso.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 4fc63b2a Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3c8e9ad-e0e9-417c-9d9f-ac5d2d4ed383/bin/ugemcutter-verify-SyDpkB78L0/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3c8e9ad-e0e9-417c-9d9f-ac5d2d4ed383/bin/ugemcutter-verify-SyDpkB78L0/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3c8e9ad-e0e9-417c-9d9f-ac5d2d4ed383/bin/ugemcutter-verify-SyDpkB78L0/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3c8e9ad-e0e9-417c-9d9f-ac5d2d4ed383/bin/ugemcutter-verify-SyDpkB78L0/config/GemCutterReach.xml -i ../../sv-benchmarks/c/pthread-wmm/safe024_tso.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3c8e9ad-e0e9-417c-9d9f-ac5d2d4ed383/bin/ugemcutter-verify-SyDpkB78L0/config/svcomp-Reach-32bit-GemCutter_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3c8e9ad-e0e9-417c-9d9f-ac5d2d4ed383/bin/ugemcutter-verify-SyDpkB78L0 --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 f830c559346dfed293d38cb3f451f57bf45496349320c2696ae4150a4c0c44e9 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4fc63b2 [2024-11-02 14:20:32,908 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-02 14:20:32,988 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3c8e9ad-e0e9-417c-9d9f-ac5d2d4ed383/bin/ugemcutter-verify-SyDpkB78L0/config/svcomp-Reach-32bit-GemCutter_Default.epf [2024-11-02 14:20:32,994 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-02 14:20:32,995 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-02 14:20:33,038 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-02 14:20:33,039 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-02 14:20:33,040 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-02 14:20:33,040 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-02 14:20:33,041 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-02 14:20:33,042 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-02 14:20:33,042 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-02 14:20:33,043 INFO L153 SettingsManager]: * Use SBE=true [2024-11-02 14:20:33,043 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-02 14:20:33,043 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-02 14:20:33,044 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-02 14:20:33,044 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-02 14:20:33,045 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-02 14:20:33,045 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-02 14:20:33,046 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-02 14:20:33,046 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-02 14:20:33,047 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-02 14:20:33,047 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-02 14:20:33,048 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-02 14:20:33,048 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-02 14:20:33,049 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-02 14:20:33,049 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-02 14:20:33,050 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-02 14:20:33,051 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-02 14:20:33,051 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-02 14:20:33,059 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-02 14:20:33,059 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-02 14:20:33,060 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-02 14:20:33,060 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-02 14:20:33,060 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-02 14:20:33,060 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2024-11-02 14:20:33,061 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-02 14:20:33,061 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-02 14:20:33,061 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-11-02 14:20:33,062 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-11-02 14:20:33,062 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-11-02 14:20:33,064 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:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3c8e9ad-e0e9-417c-9d9f-ac5d2d4ed383/bin/ugemcutter-verify-SyDpkB78L0/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3c8e9ad-e0e9-417c-9d9f-ac5d2d4ed383/bin/ugemcutter-verify-SyDpkB78L0 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> GemCutter Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f830c559346dfed293d38cb3f451f57bf45496349320c2696ae4150a4c0c44e9 [2024-11-02 14:20:33,408 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-02 14:20:33,448 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-02 14:20:33,451 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-02 14:20:33,453 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-02 14:20:33,453 INFO L274 PluginConnector]: CDTParser initialized [2024-11-02 14:20:33,455 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3c8e9ad-e0e9-417c-9d9f-ac5d2d4ed383/bin/ugemcutter-verify-SyDpkB78L0/../../sv-benchmarks/c/pthread-wmm/safe024_tso.i Unable to find full path for "g++" [2024-11-02 14:20:35,606 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-02 14:20:35,900 INFO L384 CDTParser]: Found 1 translation units. [2024-11-02 14:20:35,901 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3c8e9ad-e0e9-417c-9d9f-ac5d2d4ed383/sv-benchmarks/c/pthread-wmm/safe024_tso.i [2024-11-02 14:20:35,920 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3c8e9ad-e0e9-417c-9d9f-ac5d2d4ed383/bin/ugemcutter-verify-SyDpkB78L0/data/5006b957e/2be9def3b1104bccb50ff4f781add1c4/FLAG594f45205 [2024-11-02 14:20:35,942 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3c8e9ad-e0e9-417c-9d9f-ac5d2d4ed383/bin/ugemcutter-verify-SyDpkB78L0/data/5006b957e/2be9def3b1104bccb50ff4f781add1c4 [2024-11-02 14:20:35,947 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-02 14:20:35,948 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-02 14:20:35,953 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-02 14:20:35,953 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-02 14:20:35,961 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-02 14:20:35,962 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 02:20:35" (1/1) ... [2024-11-02 14:20:35,965 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6e29b1c3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 02:20:35, skipping insertion in model container [2024-11-02 14:20:35,966 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 02:20:35" (1/1) ... [2024-11-02 14:20:36,045 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-02 14:20:36,325 WARN L251 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_b3c8e9ad-e0e9-417c-9d9f-ac5d2d4ed383/sv-benchmarks/c/pthread-wmm/safe024_tso.i[945,958] [2024-11-02 14:20:36,625 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-02 14:20:36,640 INFO L200 MainTranslator]: Completed pre-run [2024-11-02 14:20:36,679 WARN L251 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_b3c8e9ad-e0e9-417c-9d9f-ac5d2d4ed383/sv-benchmarks/c/pthread-wmm/safe024_tso.i[945,958] [2024-11-02 14:20:36,742 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-02 14:20:36,790 INFO L204 MainTranslator]: Completed translation [2024-11-02 14:20:36,790 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 02:20:36 WrapperNode [2024-11-02 14:20:36,791 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-02 14:20:36,792 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-02 14:20:36,793 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-02 14:20:36,793 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-02 14:20:36,802 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 02:20:36" (1/1) ... [2024-11-02 14:20:36,821 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 02:20:36" (1/1) ... [2024-11-02 14:20:36,850 INFO L138 Inliner]: procedures = 175, calls = 43, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 59 [2024-11-02 14:20:36,852 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-02 14:20:36,853 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-02 14:20:36,854 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-02 14:20:36,854 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-02 14:20:36,861 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 02:20:36" (1/1) ... [2024-11-02 14:20:36,861 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 02:20:36" (1/1) ... [2024-11-02 14:20:36,864 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 02:20:36" (1/1) ... [2024-11-02 14:20:36,864 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 02:20:36" (1/1) ... [2024-11-02 14:20:36,872 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 02:20:36" (1/1) ... [2024-11-02 14:20:36,877 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 02:20:36" (1/1) ... [2024-11-02 14:20:36,879 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 02:20:36" (1/1) ... [2024-11-02 14:20:36,881 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 02:20:36" (1/1) ... [2024-11-02 14:20:36,883 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-02 14:20:36,884 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-02 14:20:36,885 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-02 14:20:36,885 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-02 14:20:36,886 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 02:20:36" (1/1) ... [2024-11-02 14:20:36,905 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-02 14:20:36,929 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3c8e9ad-e0e9-417c-9d9f-ac5d2d4ed383/bin/ugemcutter-verify-SyDpkB78L0/z3 [2024-11-02 14:20:36,963 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3c8e9ad-e0e9-417c-9d9f-ac5d2d4ed383/bin/ugemcutter-verify-SyDpkB78L0/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-02 14:20:36,972 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3c8e9ad-e0e9-417c-9d9f-ac5d2d4ed383/bin/ugemcutter-verify-SyDpkB78L0/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-02 14:20:37,050 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-11-02 14:20:37,051 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-02 14:20:37,051 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2024-11-02 14:20:37,051 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2024-11-02 14:20:37,051 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2024-11-02 14:20:37,052 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2024-11-02 14:20:37,052 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2024-11-02 14:20:37,052 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2024-11-02 14:20:37,052 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-02 14:20:37,052 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-11-02 14:20:37,056 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-02 14:20:37,056 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-02 14:20:37,058 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-02 14:20:37,271 INFO L238 CfgBuilder]: Building ICFG [2024-11-02 14:20:37,274 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-02 14:20:37,488 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-02 14:20:37,489 INFO L287 CfgBuilder]: Performing block encoding [2024-11-02 14:20:37,609 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-02 14:20:37,610 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-02 14:20:37,610 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 02:20:37 BoogieIcfgContainer [2024-11-02 14:20:37,610 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-02 14:20:37,613 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-02 14:20:37,614 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-02 14:20:37,619 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-02 14:20:37,619 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.11 02:20:35" (1/3) ... [2024-11-02 14:20:37,620 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@39d3433d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 02:20:37, skipping insertion in model container [2024-11-02 14:20:37,620 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 02:20:36" (2/3) ... [2024-11-02 14:20:37,620 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@39d3433d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 02:20:37, skipping insertion in model container [2024-11-02 14:20:37,620 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 02:20:37" (3/3) ... [2024-11-02 14:20:37,622 INFO L112 eAbstractionObserver]: Analyzing ICFG safe024_tso.i [2024-11-02 14:20:37,636 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-02 14:20:37,636 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-02 14:20:37,636 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-02 14:20:37,699 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-11-02 14:20:37,754 INFO L107 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-02 14:20:37,755 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-11-02 14:20:37,755 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3c8e9ad-e0e9-417c-9d9f-ac5d2d4ed383/bin/ugemcutter-verify-SyDpkB78L0/z3 [2024-11-02 14:20:37,758 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3c8e9ad-e0e9-417c-9d9f-ac5d2d4ed383/bin/ugemcutter-verify-SyDpkB78L0/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-11-02 14:20:37,761 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3c8e9ad-e0e9-417c-9d9f-ac5d2d4ed383/bin/ugemcutter-verify-SyDpkB78L0/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2024-11-02 14:20:37,789 INFO L157 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-11-02 14:20:37,801 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-11-02 14:20:37,808 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;@3544614b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-02 14:20:37,808 INFO L334 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2024-11-02 14:20:38,935 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-11-02 14:20:38,942 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-02 14:20:38,942 INFO L85 PathProgramCache]: Analyzing trace with hash 620144437, now seen corresponding path program 1 times [2024-11-02 14:20:38,955 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-02 14:20:38,956 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1191407254] [2024-11-02 14:20:38,956 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-02 14:20:38,957 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-02 14:20:39,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-02 14:20:39,726 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-02 14:20:39,727 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-02 14:20:39,727 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1191407254] [2024-11-02 14:20:39,728 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1191407254] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-02 14:20:39,728 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-02 14:20:39,728 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-02 14:20:39,735 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [699550192] [2024-11-02 14:20:39,735 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-02 14:20:39,741 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-02 14:20:39,742 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-02 14:20:39,776 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-02 14:20:39,801 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2024-11-02 14:20:39,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-02 14:20:39,804 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-02 14:20:39,810 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 4.333333333333333) internal successors, (26), 5 states have internal predecessors, (26), 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) [2024-11-02 14:20:39,810 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-02 14:20:40,115 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-02 14:20:40,115 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-02 14:20:40,116 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-11-02 14:20:40,116 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-02 14:20:40,117 INFO L85 PathProgramCache]: Analyzing trace with hash 1140945298, now seen corresponding path program 1 times [2024-11-02 14:20:40,117 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-02 14:20:40,117 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1931188102] [2024-11-02 14:20:40,117 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-02 14:20:40,117 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-02 14:20:40,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-02 14:20:40,422 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-02 14:20:40,422 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-02 14:20:40,422 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1931188102] [2024-11-02 14:20:40,423 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1931188102] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-02 14:20:40,423 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-02 14:20:40,423 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-02 14:20:40,423 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [517471401] [2024-11-02 14:20:40,423 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-02 14:20:40,426 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-02 14:20:40,426 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-02 14:20:40,427 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-02 14:20:40,427 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-02 14:20:40,428 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-02 14:20:40,428 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-02 14:20:40,429 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.333333333333333) internal successors, (32), 6 states have internal predecessors, (32), 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) [2024-11-02 14:20:40,429 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-02 14:20:40,429 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-02 14:20:41,346 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-02 14:20:41,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-02 14:20:41,349 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-02 14:20:41,349 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-11-02 14:20:41,350 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-02 14:20:41,350 INFO L85 PathProgramCache]: Analyzing trace with hash -314314154, now seen corresponding path program 2 times [2024-11-02 14:20:41,350 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-02 14:20:41,350 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1048336806] [2024-11-02 14:20:41,351 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-02 14:20:41,351 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-02 14:20:41,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-02 14:20:41,606 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-02 14:20:41,606 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-02 14:20:41,606 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1048336806] [2024-11-02 14:20:41,606 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1048336806] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-02 14:20:41,607 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-02 14:20:41,607 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-02 14:20:41,607 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1358124808] [2024-11-02 14:20:41,607 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-02 14:20:41,608 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-02 14:20:41,608 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-02 14:20:41,608 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-02 14:20:41,610 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-02 14:20:41,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-02 14:20:41,611 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-02 14:20:41,611 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 4.571428571428571) internal successors, (32), 6 states have internal predecessors, (32), 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) [2024-11-02 14:20:41,611 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-02 14:20:41,611 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-02 14:20:41,611 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-02 14:20:41,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-02 14:20:41,922 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-02 14:20:41,922 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-02 14:20:41,922 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-02 14:20:41,922 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-11-02 14:20:41,923 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-02 14:20:41,923 INFO L85 PathProgramCache]: Analyzing trace with hash -475723190, now seen corresponding path program 3 times [2024-11-02 14:20:41,923 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-02 14:20:41,924 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [259748870] [2024-11-02 14:20:41,924 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-02 14:20:41,924 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-02 14:20:41,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-02 14:20:42,128 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-02 14:20:42,128 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-02 14:20:42,128 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [259748870] [2024-11-02 14:20:42,129 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [259748870] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-02 14:20:42,129 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-02 14:20:42,129 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-02 14:20:42,129 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2023588247] [2024-11-02 14:20:42,129 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-02 14:20:42,130 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-02 14:20:42,130 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-02 14:20:42,131 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-02 14:20:42,131 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-02 14:20:42,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-02 14:20:42,132 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-02 14:20:42,132 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.333333333333333) internal successors, (32), 6 states have internal predecessors, (32), 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) [2024-11-02 14:20:42,132 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-02 14:20:42,132 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-02 14:20:42,133 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-02 14:20:42,133 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-02 14:20:42,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-02 14:20:42,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-02 14:20:42,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-02 14:20:42,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-02 14:20:42,400 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (3 of 4 remaining) [2024-11-02 14:20:42,401 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 4 remaining) [2024-11-02 14:20:42,402 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 4 remaining) [2024-11-02 14:20:42,403 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 4 remaining) [2024-11-02 14:20:42,403 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-02 14:20:42,412 INFO L407 BasicCegarLoop]: Path program histogram: [3, 1] [2024-11-02 14:20:42,418 INFO L239 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-02 14:20:42,419 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-02 14:20:42,446 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3c8e9ad-e0e9-417c-9d9f-ac5d2d4ed383/bin/ugemcutter-verify-SyDpkB78L0/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Ended with exit code 0 [2024-11-02 14:20:42,447 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.11 02:20:42 BasicIcfg [2024-11-02 14:20:42,448 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-02 14:20:42,448 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-02 14:20:42,448 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-02 14:20:42,449 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-02 14:20:42,449 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 02:20:37" (3/4) ... [2024-11-02 14:20:42,452 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-02 14:20:42,456 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P0 [2024-11-02 14:20:42,456 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P1 [2024-11-02 14:20:42,456 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P2 [2024-11-02 14:20:42,463 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 36 nodes and edges [2024-11-02 14:20:42,463 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2024-11-02 14:20:42,463 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2024-11-02 14:20:42,464 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2024-11-02 14:20:42,563 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3c8e9ad-e0e9-417c-9d9f-ac5d2d4ed383/bin/ugemcutter-verify-SyDpkB78L0/witness.graphml [2024-11-02 14:20:42,563 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3c8e9ad-e0e9-417c-9d9f-ac5d2d4ed383/bin/ugemcutter-verify-SyDpkB78L0/witness.yml [2024-11-02 14:20:42,563 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-02 14:20:42,564 INFO L158 Benchmark]: Toolchain (without parser) took 6615.53ms. Allocated memory was 123.7MB in the beginning and 186.6MB in the end (delta: 62.9MB). Free memory was 59.1MB in the beginning and 77.2MB in the end (delta: -18.0MB). Peak memory consumption was 46.6MB. Max. memory is 16.1GB. [2024-11-02 14:20:42,564 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 123.7MB. Free memory is still 95.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-02 14:20:42,564 INFO L158 Benchmark]: CACSL2BoogieTranslator took 838.34ms. Allocated memory was 123.7MB in the beginning and 153.1MB in the end (delta: 29.4MB). Free memory was 59.0MB in the beginning and 114.6MB in the end (delta: -55.7MB). Peak memory consumption was 26.4MB. Max. memory is 16.1GB. [2024-11-02 14:20:42,565 INFO L158 Benchmark]: Boogie Procedure Inliner took 60.48ms. Allocated memory is still 153.1MB. Free memory was 114.6MB in the beginning and 112.4MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-02 14:20:42,565 INFO L158 Benchmark]: Boogie Preprocessor took 30.10ms. Allocated memory is still 153.1MB. Free memory was 112.3MB in the beginning and 110.4MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-02 14:20:42,565 INFO L158 Benchmark]: RCFGBuilder took 726.34ms. Allocated memory is still 153.1MB. Free memory was 110.4MB in the beginning and 103.6MB in the end (delta: 6.8MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-11-02 14:20:42,566 INFO L158 Benchmark]: TraceAbstraction took 4834.42ms. Allocated memory was 153.1MB in the beginning and 186.6MB in the end (delta: 33.6MB). Free memory was 102.3MB in the beginning and 80.9MB in the end (delta: 21.4MB). Peak memory consumption was 57.4MB. Max. memory is 16.1GB. [2024-11-02 14:20:42,566 INFO L158 Benchmark]: Witness Printer took 115.00ms. Allocated memory is still 186.6MB. Free memory was 80.9MB in the beginning and 77.2MB in the end (delta: 3.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-02 14:20:42,568 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34ms. Allocated memory is still 123.7MB. Free memory is still 95.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 838.34ms. Allocated memory was 123.7MB in the beginning and 153.1MB in the end (delta: 29.4MB). Free memory was 59.0MB in the beginning and 114.6MB in the end (delta: -55.7MB). Peak memory consumption was 26.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 60.48ms. Allocated memory is still 153.1MB. Free memory was 114.6MB in the beginning and 112.4MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 30.10ms. Allocated memory is still 153.1MB. Free memory was 112.3MB in the beginning and 110.4MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 726.34ms. Allocated memory is still 153.1MB. Free memory was 110.4MB in the beginning and 103.6MB in the end (delta: 6.8MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * TraceAbstraction took 4834.42ms. Allocated memory was 153.1MB in the beginning and 186.6MB in the end (delta: 33.6MB). Free memory was 102.3MB in the beginning and 80.9MB in the end (delta: 21.4MB). Peak memory consumption was 57.4MB. Max. memory is 16.1GB. * Witness Printer took 115.00ms. Allocated memory is still 186.6MB. Free memory was 80.9MB in the beginning and 77.2MB in the end (delta: 3.8MB). Peak memory consumption was 2.1MB. 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: 9844, independent: 9651, independent conditional: 8953, independent unconditional: 698, dependent: 193, dependent conditional: 175, dependent unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 9844, independent: 9651, independent conditional: 8953, independent unconditional: 698, dependent: 193, dependent conditional: 175, dependent unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 9844, independent: 9651, independent conditional: 8953, independent unconditional: 698, dependent: 193, dependent conditional: 175, dependent unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 11220, independent: 9651, independent conditional: 8953, independent unconditional: 698, dependent: 1569, dependent conditional: 1551, dependent unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 11220, independent: 9651, independent conditional: 314, independent unconditional: 9337, dependent: 1569, dependent conditional: 42, dependent unconditional: 1527, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 11220, independent: 9651, independent conditional: 314, independent unconditional: 9337, dependent: 1569, dependent conditional: 42, dependent unconditional: 1527, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 729, independent: 708, independent conditional: 10, independent unconditional: 698, dependent: 21, dependent conditional: 3, dependent unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 729, independent: 690, independent conditional: 0, independent unconditional: 690, dependent: 39, dependent conditional: 0, dependent unconditional: 39, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 39, independent: 18, independent conditional: 10, independent unconditional: 8, dependent: 21, dependent conditional: 3, dependent unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 39, independent: 18, independent conditional: 10, independent unconditional: 8, dependent: 21, dependent conditional: 3, dependent unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 1667, independent: 654, independent conditional: 360, independent unconditional: 294, dependent: 1014, dependent conditional: 61, dependent unconditional: 953, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 11220, independent: 8943, independent conditional: 304, independent unconditional: 8639, dependent: 1548, dependent conditional: 39, dependent unconditional: 1509, unknown: 729, unknown conditional: 13, unknown unconditional: 716] , Statistics on independence cache: Total cache size (in pairs): 729, Positive cache size: 708, Positive conditional cache size: 10, Positive unconditional cache size: 698, Negative cache size: 21, Negative conditional cache size: 3, Negative unconditional cache size: 18, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 10148, Maximal queried relation: 4, Independence queries for same thread: 0, Persistent sets #1 benchmarks: Persistent set computation time: 1.4s, Number of persistent set computation: 701, Number of trivial persistent sets: 385, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 716, independent: 698, independent conditional: 0, independent unconditional: 698, 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: 9844, independent: 9651, independent conditional: 8953, independent unconditional: 698, dependent: 193, dependent conditional: 175, dependent unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 9844, independent: 9651, independent conditional: 8953, independent unconditional: 698, dependent: 193, dependent conditional: 175, dependent unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 9844, independent: 9651, independent conditional: 8953, independent unconditional: 698, dependent: 193, dependent conditional: 175, dependent unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 11220, independent: 9651, independent conditional: 8953, independent unconditional: 698, dependent: 1569, dependent conditional: 1551, dependent unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 11220, independent: 9651, independent conditional: 314, independent unconditional: 9337, dependent: 1569, dependent conditional: 42, dependent unconditional: 1527, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 11220, independent: 9651, independent conditional: 314, independent unconditional: 9337, dependent: 1569, dependent conditional: 42, dependent unconditional: 1527, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 729, independent: 708, independent conditional: 10, independent unconditional: 698, dependent: 21, dependent conditional: 3, dependent unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 729, independent: 690, independent conditional: 0, independent unconditional: 690, dependent: 39, dependent conditional: 0, dependent unconditional: 39, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 39, independent: 18, independent conditional: 10, independent unconditional: 8, dependent: 21, dependent conditional: 3, dependent unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 39, independent: 18, independent conditional: 10, independent unconditional: 8, dependent: 21, dependent conditional: 3, dependent unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 1667, independent: 654, independent conditional: 360, independent unconditional: 294, dependent: 1014, dependent conditional: 61, dependent unconditional: 953, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 11220, independent: 8943, independent conditional: 304, independent unconditional: 8639, dependent: 1548, dependent conditional: 39, dependent unconditional: 1509, unknown: 729, unknown conditional: 13, unknown unconditional: 716] , Statistics on independence cache: Total cache size (in pairs): 729, Positive cache size: 708, Positive conditional cache size: 10, Positive unconditional cache size: 698, Negative cache size: 21, Negative conditional cache size: 3, Negative unconditional cache size: 18, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 10148, Maximal queried relation: 4, Independence queries for same thread: 0 - PositiveResult [Line: 18]: 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 7 procedures, 64 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 4.6s, OverallIterations: 4, TraceHistogramMax: 0, PathProgramHistogramMax: 3, EmptinessCheckTime: 2.9s, 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: 25, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.2s InterpolantComputationTime, 122 NumberOfCodeBlocks, 122 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 118 ConstructedInterpolants, 0 QuantifiedInterpolants, 534 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 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! [2024-11-02 14:20:42,601 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3c8e9ad-e0e9-417c-9d9f-ac5d2d4ed383/bin/ugemcutter-verify-SyDpkB78L0/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