./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread-wmm/rfi000_tso.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a0165632 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_0f76ea60-aabd-48e9-9ab0-73f2670c2aee/bin/ugemcutter-verify-v6A4Riy6iL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f76ea60-aabd-48e9-9ab0-73f2670c2aee/bin/ugemcutter-verify-v6A4Riy6iL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f76ea60-aabd-48e9-9ab0-73f2670c2aee/bin/ugemcutter-verify-v6A4Riy6iL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f76ea60-aabd-48e9-9ab0-73f2670c2aee/bin/ugemcutter-verify-v6A4Riy6iL/config/GemCutterReach.xml -i ../../sv-benchmarks/c/pthread-wmm/rfi000_tso.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f76ea60-aabd-48e9-9ab0-73f2670c2aee/bin/ugemcutter-verify-v6A4Riy6iL/config/svcomp-Reach-32bit-GemCutter_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f76ea60-aabd-48e9-9ab0-73f2670c2aee/bin/ugemcutter-verify-v6A4Riy6iL --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 5128c539cd3051e20c09e1924eb0951d5be697be251e10d3c281464ed4c436cd --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 12:04:32,160 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 12:04:32,255 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f76ea60-aabd-48e9-9ab0-73f2670c2aee/bin/ugemcutter-verify-v6A4Riy6iL/config/svcomp-Reach-32bit-GemCutter_Default.epf [2024-11-08 12:04:32,259 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 12:04:32,262 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-08 12:04:32,318 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 12:04:32,318 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-08 12:04:32,319 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-08 12:04:32,320 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 12:04:32,321 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-08 12:04:32,322 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 12:04:32,323 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 12:04:32,324 INFO L153 SettingsManager]: * Use SBE=true [2024-11-08 12:04:32,324 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 12:04:32,324 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 12:04:32,325 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 12:04:32,325 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 12:04:32,325 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 12:04:32,326 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 12:04:32,326 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 12:04:32,330 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 12:04:32,344 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 12:04:32,345 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 12:04:32,345 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 12:04:32,345 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 12:04:32,346 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 12:04:32,346 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 12:04:32,346 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-08 12:04:32,346 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-08 12:04:32,346 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-08 12:04:32,347 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-08 12:04:32,347 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 12:04:32,347 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 12:04:32,347 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 12:04:32,348 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-08 12:04:32,348 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2024-11-08 12:04:32,348 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 12:04:32,349 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-08 12:04:32,349 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-11-08 12:04:32,349 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-11-08 12:04:32,350 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-11-08 12:04:32,350 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_0f76ea60-aabd-48e9-9ab0-73f2670c2aee/bin/ugemcutter-verify-v6A4Riy6iL/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f76ea60-aabd-48e9-9ab0-73f2670c2aee/bin/ugemcutter-verify-v6A4Riy6iL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> GemCutter Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5128c539cd3051e20c09e1924eb0951d5be697be251e10d3c281464ed4c436cd [2024-11-08 12:04:32,622 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 12:04:32,659 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 12:04:32,662 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 12:04:32,664 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 12:04:32,665 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 12:04:32,666 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f76ea60-aabd-48e9-9ab0-73f2670c2aee/bin/ugemcutter-verify-v6A4Riy6iL/../../sv-benchmarks/c/pthread-wmm/rfi000_tso.i Unable to find full path for "g++" [2024-11-08 12:04:34,676 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 12:04:35,074 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 12:04:35,078 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f76ea60-aabd-48e9-9ab0-73f2670c2aee/sv-benchmarks/c/pthread-wmm/rfi000_tso.i [2024-11-08 12:04:35,098 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f76ea60-aabd-48e9-9ab0-73f2670c2aee/bin/ugemcutter-verify-v6A4Riy6iL/data/db9778d26/6f190c90715c4033813e8745f292570f/FLAG843c38ed6 [2024-11-08 12:04:35,120 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f76ea60-aabd-48e9-9ab0-73f2670c2aee/bin/ugemcutter-verify-v6A4Riy6iL/data/db9778d26/6f190c90715c4033813e8745f292570f [2024-11-08 12:04:35,123 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 12:04:35,127 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 12:04:35,128 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 12:04:35,129 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 12:04:35,135 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 12:04:35,136 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 12:04:35" (1/1) ... [2024-11-08 12:04:35,138 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4567a27e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 12:04:35, skipping insertion in model container [2024-11-08 12:04:35,139 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 12:04:35" (1/1) ... [2024-11-08 12:04:35,200 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 12:04:35,465 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_0f76ea60-aabd-48e9-9ab0-73f2670c2aee/sv-benchmarks/c/pthread-wmm/rfi000_tso.i[944,957] [2024-11-08 12:04:35,740 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 12:04:35,752 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 12:04:35,766 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_0f76ea60-aabd-48e9-9ab0-73f2670c2aee/sv-benchmarks/c/pthread-wmm/rfi000_tso.i[944,957] [2024-11-08 12:04:35,851 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 12:04:35,889 INFO L204 MainTranslator]: Completed translation [2024-11-08 12:04:35,890 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 12:04:35 WrapperNode [2024-11-08 12:04:35,890 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 12:04:35,891 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 12:04:35,891 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 12:04:35,892 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 12:04:35,899 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 12:04:35" (1/1) ... [2024-11-08 12:04:35,915 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 12:04:35" (1/1) ... [2024-11-08 12:04:35,953 INFO L138 Inliner]: procedures = 174, calls = 37, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 167 [2024-11-08 12:04:35,954 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 12:04:35,954 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 12:04:35,955 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 12:04:35,955 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 12:04:35,965 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 12:04:35" (1/1) ... [2024-11-08 12:04:35,966 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 12:04:35" (1/1) ... [2024-11-08 12:04:35,969 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 12:04:35" (1/1) ... [2024-11-08 12:04:35,970 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 12:04:35" (1/1) ... [2024-11-08 12:04:35,979 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 12:04:35" (1/1) ... [2024-11-08 12:04:35,980 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 12:04:35" (1/1) ... [2024-11-08 12:04:35,983 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 12:04:35" (1/1) ... [2024-11-08 12:04:35,985 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 12:04:35" (1/1) ... [2024-11-08 12:04:35,989 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 12:04:35,990 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 12:04:35,990 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 12:04:35,990 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 12:04:35,991 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 12:04:35" (1/1) ... [2024-11-08 12:04:36,001 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-08 12:04:36,025 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f76ea60-aabd-48e9-9ab0-73f2670c2aee/bin/ugemcutter-verify-v6A4Riy6iL/z3 [2024-11-08 12:04:36,038 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f76ea60-aabd-48e9-9ab0-73f2670c2aee/bin/ugemcutter-verify-v6A4Riy6iL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-08 12:04:36,040 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f76ea60-aabd-48e9-9ab0-73f2670c2aee/bin/ugemcutter-verify-v6A4Riy6iL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-08 12:04:36,063 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-11-08 12:04:36,063 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 12:04:36,063 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2024-11-08 12:04:36,064 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2024-11-08 12:04:36,064 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2024-11-08 12:04:36,064 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2024-11-08 12:04:36,064 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-08 12:04:36,064 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-11-08 12:04:36,064 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 12:04:36,065 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 12:04:36,066 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-08 12:04:36,205 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 12:04:36,207 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 12:04:36,610 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-08 12:04:36,611 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 12:04:36,966 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 12:04:36,966 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-08 12:04:36,967 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 12:04:36 BoogieIcfgContainer [2024-11-08 12:04:36,967 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 12:04:36,971 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-08 12:04:36,971 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-08 12:04:36,974 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-08 12:04:36,975 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.11 12:04:35" (1/3) ... [2024-11-08 12:04:36,976 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@22efe6af and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 12:04:36, skipping insertion in model container [2024-11-08 12:04:36,976 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 12:04:35" (2/3) ... [2024-11-08 12:04:36,977 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@22efe6af and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 12:04:36, skipping insertion in model container [2024-11-08 12:04:36,978 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 12:04:36" (3/3) ... [2024-11-08 12:04:36,979 INFO L112 eAbstractionObserver]: Analyzing ICFG rfi000_tso.i [2024-11-08 12:04:36,998 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-08 12:04:36,998 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-11-08 12:04:36,998 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-08 12:04:37,062 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-11-08 12:04:37,118 INFO L107 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-08 12:04:37,118 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-11-08 12:04:37,119 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f76ea60-aabd-48e9-9ab0-73f2670c2aee/bin/ugemcutter-verify-v6A4Riy6iL/z3 [2024-11-08 12:04:37,120 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f76ea60-aabd-48e9-9ab0-73f2670c2aee/bin/ugemcutter-verify-v6A4Riy6iL/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-11-08 12:04:37,121 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f76ea60-aabd-48e9-9ab0-73f2670c2aee/bin/ugemcutter-verify-v6A4Riy6iL/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2024-11-08 12:04:37,147 INFO L157 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-11-08 12:04:37,161 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == P1Thread1of1ForFork0 ======== [2024-11-08 12:04:37,166 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;@79c3e97a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-08 12:04:37,167 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-08 12:04:45,369 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting P1Err0ASSERT_VIOLATIONERROR_FUNCTION === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 12:04:45,376 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 12:04:45,376 INFO L85 PathProgramCache]: Analyzing trace with hash -710585529, now seen corresponding path program 1 times [2024-11-08 12:04:45,386 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 12:04:45,386 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1907101653] [2024-11-08 12:04:45,387 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 12:04:45,387 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 12:04:45,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:04:45,992 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 12:04:45,993 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 12:04:45,993 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1907101653] [2024-11-08 12:04:45,995 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1907101653] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 12:04:45,995 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 12:04:45,995 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-11-08 12:04:45,997 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [21260137] [2024-11-08 12:04:45,998 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 12:04:46,004 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 12:04:46,004 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 12:04:46,032 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 12:04:46,033 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 12:04:46,034 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-08 12:04:46,036 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-08 12:04:46,037 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 12:04:46,037 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-08 12:06:33,335 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 12:06:33,338 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-08 12:06:33,339 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-08 12:06:33,346 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-08 12:06:33,350 INFO L317 ceAbstractionStarter]: Result for error location P1Thread1of1ForFork0 was SAFE (1/2) [2024-11-08 12:06:33,357 INFO L107 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-08 12:06:33,360 INFO L157 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-11-08 12:06:33,364 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-11-08 12:06:33,365 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;@79c3e97a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-08 12:06:33,366 INFO L334 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2024-11-08 12:06:33,375 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-11-08 12:06:33,376 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 12:06:33,376 INFO L85 PathProgramCache]: Analyzing trace with hash 1528932901, now seen corresponding path program 1 times [2024-11-08 12:06:33,376 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 12:06:33,377 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1200055077] [2024-11-08 12:06:33,377 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 12:06:33,377 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 12:06:33,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:06:33,845 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 12:06:33,845 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 12:06:33,845 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1200055077] [2024-11-08 12:06:33,846 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1200055077] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 12:06:33,846 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 12:06:33,846 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-08 12:06:33,846 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1439119660] [2024-11-08 12:06:33,846 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 12:06:33,847 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 12:06:33,847 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 12:06:33,847 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 12:06:33,847 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 12:06:33,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-08 12:06:33,848 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-08 12:06:33,848 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.0) internal successors, (15), 2 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 12:06:33,848 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-08 12:07:00,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 12:07:00,050 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-08 12:07:00,050 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-11-08 12:07:00,050 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 12:07:00,051 INFO L85 PathProgramCache]: Analyzing trace with hash 1853724622, now seen corresponding path program 1 times [2024-11-08 12:07:00,051 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 12:07:00,051 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1250265392] [2024-11-08 12:07:00,051 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 12:07:00,052 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 12:07:00,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:07:00,601 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 12:07:00,602 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 12:07:00,602 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1250265392] [2024-11-08 12:07:00,602 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1250265392] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 12:07:00,603 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 12:07:00,603 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-08 12:07:00,603 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [388429254] [2024-11-08 12:07:00,604 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 12:07:00,605 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-08 12:07:00,605 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 12:07:00,606 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-08 12:07:00,607 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-08 12:07:00,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-08 12:07:00,608 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-08 12:07:00,608 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) [2024-11-08 12:07:00,608 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-08 12:07:00,609 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-08 12:07:00,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 12:07:00,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-08 12:07:00,772 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-08 12:07:00,772 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-11-08 12:07:00,773 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 12:07:00,773 INFO L85 PathProgramCache]: Analyzing trace with hash -482919392, now seen corresponding path program 1 times [2024-11-08 12:07:00,773 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 12:07:00,773 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [741195376] [2024-11-08 12:07:00,773 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 12:07:00,774 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 12:07:00,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:07:01,395 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 12:07:01,395 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 12:07:01,395 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [741195376] [2024-11-08 12:07:01,396 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [741195376] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 12:07:01,396 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 12:07:01,396 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-08 12:07:01,396 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1555905329] [2024-11-08 12:07:01,396 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 12:07:01,397 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-08 12:07:01,397 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 12:07:01,397 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-08 12:07:01,398 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-08 12:07:01,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-08 12:07:01,398 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-08 12:07:01,398 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.0) internal successors, (25), 5 states have internal predecessors, (25), 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) [2024-11-08 12:07:01,399 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-08 12:07:01,399 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-08 12:07:01,400 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-08 12:07:47,182 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 12:07:47,183 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-08 12:07:47,183 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-08 12:07:47,183 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-08 12:07:47,184 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-11-08 12:07:47,184 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 12:07:47,186 INFO L85 PathProgramCache]: Analyzing trace with hash 129303546, now seen corresponding path program 2 times [2024-11-08 12:07:47,186 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 12:07:47,186 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [719363974] [2024-11-08 12:07:47,187 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 12:07:47,190 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 12:07:47,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:07:51,441 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 12:07:51,442 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 12:07:51,442 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [719363974] [2024-11-08 12:07:51,442 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [719363974] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 12:07:51,442 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 12:07:51,443 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-11-08 12:07:51,443 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1776550151] [2024-11-08 12:07:51,443 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 12:07:51,443 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-08 12:07:51,443 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 12:07:51,444 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-08 12:07:51,444 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2024-11-08 12:07:51,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-08 12:07:51,445 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-08 12:07:51,445 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 2.0833333333333335) internal successors, (25), 11 states have internal predecessors, (25), 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) [2024-11-08 12:07:51,445 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-08 12:07:51,445 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-08 12:07:51,446 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-08 12:07:51,446 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-08 12:08:14,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 12:08:14,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-08 12:08:14,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-08 12:08:14,998 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-08 12:08:14,998 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-08 12:08:14,998 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-11-08 12:08:14,999 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 12:08:14,999 INFO L85 PathProgramCache]: Analyzing trace with hash -364858848, now seen corresponding path program 3 times [2024-11-08 12:08:14,999 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 12:08:14,999 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [771849442] [2024-11-08 12:08:14,999 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 12:08:14,999 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 12:08:15,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:08:19,584 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 12:08:19,584 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 12:08:19,585 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [771849442] [2024-11-08 12:08:19,585 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [771849442] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 12:08:19,585 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 12:08:19,586 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-11-08 12:08:19,586 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [907486426] [2024-11-08 12:08:19,587 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 12:08:19,587 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-08 12:08:19,587 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 12:08:19,588 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-08 12:08:19,588 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=109, Unknown=0, NotChecked=0, Total=132 [2024-11-08 12:08:19,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-08 12:08:19,589 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-08 12:08:19,589 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 2.0833333333333335) internal successors, (25), 11 states have internal predecessors, (25), 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) [2024-11-08 12:08:19,590 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-08 12:08:19,591 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-08 12:08:19,591 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-08 12:08:19,591 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-11-08 12:08:19,591 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-08 12:08:43,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 12:08:43,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-08 12:08:43,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-08 12:08:43,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-08 12:08:43,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-08 12:08:43,845 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 3 remaining) [2024-11-08 12:08:43,845 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 3 remaining) [2024-11-08 12:08:43,846 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 3 remaining) [2024-11-08 12:08:43,846 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-08 12:08:43,848 INFO L407 BasicCegarLoop]: Path program histogram: [3, 1, 1] [2024-11-08 12:08:43,848 INFO L317 ceAbstractionStarter]: Result for error location ULTIMATE.start was SAFE,SAFE,SAFE (2/2) [2024-11-08 12:08:43,849 INFO L239 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-08 12:08:43,849 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-08 12:08:43,880 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f76ea60-aabd-48e9-9ab0-73f2670c2aee/bin/ugemcutter-verify-v6A4Riy6iL/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Ended with exit code 0 [2024-11-08 12:08:43,881 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.11 12:08:43 BasicIcfg [2024-11-08 12:08:43,881 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-08 12:08:43,882 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 12:08:43,882 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 12:08:43,882 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 12:08:43,883 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 12:04:36" (3/4) ... [2024-11-08 12:08:43,885 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-08 12:08:43,888 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P0 [2024-11-08 12:08:43,888 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P1 [2024-11-08 12:08:43,893 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 74 nodes and edges [2024-11-08 12:08:43,894 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 15 nodes and edges [2024-11-08 12:08:43,894 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-11-08 12:08:43,894 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2024-11-08 12:08:43,980 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f76ea60-aabd-48e9-9ab0-73f2670c2aee/bin/ugemcutter-verify-v6A4Riy6iL/witness.graphml [2024-11-08 12:08:43,980 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f76ea60-aabd-48e9-9ab0-73f2670c2aee/bin/ugemcutter-verify-v6A4Riy6iL/witness.yml [2024-11-08 12:08:43,981 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 12:08:43,981 INFO L158 Benchmark]: Toolchain (without parser) took 248854.44ms. Allocated memory was 138.4MB in the beginning and 861.9MB in the end (delta: 723.5MB). Free memory was 105.8MB in the beginning and 486.9MB in the end (delta: -381.0MB). Peak memory consumption was 343.0MB. Max. memory is 16.1GB. [2024-11-08 12:08:43,982 INFO L158 Benchmark]: CDTParser took 0.36ms. Allocated memory is still 138.4MB. Free memory is still 105.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 12:08:43,982 INFO L158 Benchmark]: CACSL2BoogieTranslator took 761.99ms. Allocated memory is still 138.4MB. Free memory was 105.8MB in the beginning and 77.6MB in the end (delta: 28.2MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2024-11-08 12:08:43,983 INFO L158 Benchmark]: Boogie Procedure Inliner took 62.89ms. Allocated memory is still 138.4MB. Free memory was 77.6MB in the beginning and 73.9MB in the end (delta: 3.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-08 12:08:43,983 INFO L158 Benchmark]: Boogie Preprocessor took 34.96ms. Allocated memory is still 138.4MB. Free memory was 73.9MB in the beginning and 71.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 12:08:43,983 INFO L158 Benchmark]: RCFGBuilder took 977.15ms. Allocated memory is still 138.4MB. Free memory was 71.8MB in the beginning and 67.5MB in the end (delta: 4.3MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-11-08 12:08:43,984 INFO L158 Benchmark]: TraceAbstraction took 246910.67ms. Allocated memory was 138.4MB in the beginning and 861.9MB in the end (delta: 723.5MB). Free memory was 66.8MB in the beginning and 492.1MB in the end (delta: -425.3MB). Peak memory consumption was 492.9MB. Max. memory is 16.1GB. [2024-11-08 12:08:43,984 INFO L158 Benchmark]: Witness Printer took 98.82ms. Allocated memory is still 861.9MB. Free memory was 491.1MB in the beginning and 486.9MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-08 12:08:43,986 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36ms. Allocated memory is still 138.4MB. Free memory is still 105.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 761.99ms. Allocated memory is still 138.4MB. Free memory was 105.8MB in the beginning and 77.6MB in the end (delta: 28.2MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 62.89ms. Allocated memory is still 138.4MB. Free memory was 77.6MB in the beginning and 73.9MB in the end (delta: 3.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 34.96ms. Allocated memory is still 138.4MB. Free memory was 73.9MB in the beginning and 71.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 977.15ms. Allocated memory is still 138.4MB. Free memory was 71.8MB in the beginning and 67.5MB in the end (delta: 4.3MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * TraceAbstraction took 246910.67ms. Allocated memory was 138.4MB in the beginning and 861.9MB in the end (delta: 723.5MB). Free memory was 66.8MB in the beginning and 492.1MB in the end (delta: -425.3MB). Peak memory consumption was 492.9MB. Max. memory is 16.1GB. * Witness Printer took 98.82ms. Allocated memory is still 861.9MB. Free memory was 491.1MB in the beginning and 486.9MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. 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: 888, independent: 794, independent conditional: 464, independent unconditional: 330, dependent: 94, dependent conditional: 69, dependent unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 880, independent: 794, independent conditional: 464, independent unconditional: 330, dependent: 86, dependent conditional: 61, dependent unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 880, independent: 794, independent conditional: 464, independent unconditional: 330, dependent: 86, dependent conditional: 61, dependent unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 987, independent: 794, independent conditional: 464, independent unconditional: 330, dependent: 193, dependent conditional: 168, dependent unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 987, independent: 794, independent conditional: 46, independent unconditional: 748, dependent: 193, dependent conditional: 44, dependent unconditional: 149, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 987, independent: 794, independent conditional: 46, independent unconditional: 748, dependent: 193, dependent conditional: 44, dependent unconditional: 149, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 370, independent: 334, independent conditional: 4, independent unconditional: 330, dependent: 36, dependent conditional: 8, dependent unconditional: 28, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 370, independent: 328, independent conditional: 0, independent unconditional: 328, dependent: 42, dependent conditional: 0, dependent unconditional: 42, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 42, independent: 6, independent conditional: 4, independent unconditional: 2, dependent: 36, dependent conditional: 8, dependent unconditional: 28, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 42, independent: 6, independent conditional: 4, independent unconditional: 2, dependent: 36, dependent conditional: 8, dependent unconditional: 28, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 115266, independent: 8170, independent conditional: 8015, independent unconditional: 155, dependent: 107096, dependent conditional: 28337, dependent unconditional: 78759, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 987, independent: 460, independent conditional: 42, independent unconditional: 418, dependent: 157, dependent conditional: 36, dependent unconditional: 121, unknown: 370, unknown conditional: 12, unknown unconditional: 358] , Statistics on independence cache: Total cache size (in pairs): 370, Positive cache size: 334, Positive conditional cache size: 4, Positive unconditional cache size: 330, Negative cache size: 36, Negative conditional cache size: 8, Negative unconditional cache size: 28, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 542, Maximal queried relation: 1, Independence queries for same thread: 8, Persistent sets #1 benchmarks: Persistent set computation time: 75.5s, Number of persistent set computation: 118, Number of trivial persistent sets: 84, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 355, independent: 330, independent conditional: 0, independent unconditional: 330, dependent: 25, dependent conditional: 0, dependent unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 888, independent: 794, independent conditional: 464, independent unconditional: 330, dependent: 94, dependent conditional: 69, dependent unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 880, independent: 794, independent conditional: 464, independent unconditional: 330, dependent: 86, dependent conditional: 61, dependent unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 880, independent: 794, independent conditional: 464, independent unconditional: 330, dependent: 86, dependent conditional: 61, dependent unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 987, independent: 794, independent conditional: 464, independent unconditional: 330, dependent: 193, dependent conditional: 168, dependent unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 987, independent: 794, independent conditional: 46, independent unconditional: 748, dependent: 193, dependent conditional: 44, dependent unconditional: 149, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 987, independent: 794, independent conditional: 46, independent unconditional: 748, dependent: 193, dependent conditional: 44, dependent unconditional: 149, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 370, independent: 334, independent conditional: 4, independent unconditional: 330, dependent: 36, dependent conditional: 8, dependent unconditional: 28, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 370, independent: 328, independent conditional: 0, independent unconditional: 328, dependent: 42, dependent conditional: 0, dependent unconditional: 42, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 42, independent: 6, independent conditional: 4, independent unconditional: 2, dependent: 36, dependent conditional: 8, dependent unconditional: 28, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 42, independent: 6, independent conditional: 4, independent unconditional: 2, dependent: 36, dependent conditional: 8, dependent unconditional: 28, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 115266, independent: 8170, independent conditional: 8015, independent unconditional: 155, dependent: 107096, dependent conditional: 28337, dependent unconditional: 78759, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 987, independent: 460, independent conditional: 42, independent unconditional: 418, dependent: 157, dependent conditional: 36, dependent unconditional: 121, unknown: 370, unknown conditional: 12, unknown unconditional: 358] , Statistics on independence cache: Total cache size (in pairs): 370, Positive cache size: 334, Positive conditional cache size: 4, Positive unconditional cache size: 330, Negative cache size: 36, Negative conditional cache size: 8, Negative unconditional cache size: 28, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 542, Maximal queried relation: 1, Independence queries for same thread: 8 - StatisticsResult: Partial order reduction statistics Independence relation #1 benchmarks: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 1908, independent: 1745, independent conditional: 1438, independent unconditional: 307, dependent: 163, dependent conditional: 132, dependent unconditional: 31, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1880, independent: 1745, independent conditional: 1438, independent unconditional: 307, dependent: 135, dependent conditional: 104, dependent unconditional: 31, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 1880, independent: 1745, independent conditional: 1438, independent unconditional: 307, dependent: 135, dependent conditional: 104, dependent unconditional: 31, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2273, independent: 1745, independent conditional: 1438, independent unconditional: 307, dependent: 528, dependent conditional: 497, dependent unconditional: 31, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 2273, independent: 1745, independent conditional: 88, independent unconditional: 1657, dependent: 528, dependent conditional: 74, dependent unconditional: 454, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2273, independent: 1745, independent conditional: 88, independent unconditional: 1657, dependent: 528, dependent conditional: 74, dependent unconditional: 454, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 100, independent: 76, independent conditional: 8, independent unconditional: 68, dependent: 24, dependent conditional: 9, dependent unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 100, independent: 67, independent conditional: 0, independent unconditional: 67, dependent: 33, dependent conditional: 0, dependent unconditional: 33, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 33, independent: 9, independent conditional: 8, independent unconditional: 1, dependent: 24, dependent conditional: 9, dependent unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 33, independent: 9, independent conditional: 8, independent unconditional: 1, dependent: 24, dependent conditional: 9, dependent unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 117938, independent: 21276, independent conditional: 21272, independent unconditional: 4, dependent: 96662, dependent conditional: 26251, dependent unconditional: 70411, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 2273, independent: 1669, independent conditional: 80, independent unconditional: 1589, dependent: 504, dependent conditional: 65, dependent unconditional: 439, unknown: 100, unknown conditional: 17, unknown unconditional: 83] , Statistics on independence cache: Total cache size (in pairs): 458, Positive cache size: 406, Positive conditional cache size: 8, Positive unconditional cache size: 398, Negative cache size: 52, Negative conditional cache size: 9, Negative unconditional cache size: 43, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 1773, Maximal queried relation: 5, Independence queries for same thread: 28, Persistent sets #1 benchmarks: Persistent set computation time: 70.4s, Number of persistent set computation: 156, Number of trivial persistent sets: 90, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 338, independent: 307, independent conditional: 0, independent unconditional: 307, dependent: 31, dependent conditional: 0, dependent unconditional: 31, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 1908, independent: 1745, independent conditional: 1438, independent unconditional: 307, dependent: 163, dependent conditional: 132, dependent unconditional: 31, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1880, independent: 1745, independent conditional: 1438, independent unconditional: 307, dependent: 135, dependent conditional: 104, dependent unconditional: 31, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 1880, independent: 1745, independent conditional: 1438, independent unconditional: 307, dependent: 135, dependent conditional: 104, dependent unconditional: 31, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2273, independent: 1745, independent conditional: 1438, independent unconditional: 307, dependent: 528, dependent conditional: 497, dependent unconditional: 31, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 2273, independent: 1745, independent conditional: 88, independent unconditional: 1657, dependent: 528, dependent conditional: 74, dependent unconditional: 454, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2273, independent: 1745, independent conditional: 88, independent unconditional: 1657, dependent: 528, dependent conditional: 74, dependent unconditional: 454, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 100, independent: 76, independent conditional: 8, independent unconditional: 68, dependent: 24, dependent conditional: 9, dependent unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 100, independent: 67, independent conditional: 0, independent unconditional: 67, dependent: 33, dependent conditional: 0, dependent unconditional: 33, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 33, independent: 9, independent conditional: 8, independent unconditional: 1, dependent: 24, dependent conditional: 9, dependent unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 33, independent: 9, independent conditional: 8, independent unconditional: 1, dependent: 24, dependent conditional: 9, dependent unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 117938, independent: 21276, independent conditional: 21272, independent unconditional: 4, dependent: 96662, dependent conditional: 26251, dependent unconditional: 70411, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 2273, independent: 1669, independent conditional: 80, independent unconditional: 1589, dependent: 504, dependent conditional: 65, dependent unconditional: 439, unknown: 100, unknown conditional: 17, unknown unconditional: 83] , Statistics on independence cache: Total cache size (in pairs): 458, Positive cache size: 406, Positive conditional cache size: 8, Positive unconditional cache size: 398, Negative cache size: 52, Negative conditional cache size: 9, Negative unconditional cache size: 43, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 1773, Maximal queried relation: 5, Independence queries for same thread: 28 - 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 - 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: P1Thread1of1ForFork0 with 1 thread instances CFG has 5 procedures, 51 locations, 5 error locations. Started 1 CEGAR loops. OverallTime: 116.2s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 115.5s, 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: 3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 7 NumberOfCodeBlocks, 7 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 6 ConstructedInterpolants, 0 QuantifiedInterpolants, 54 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 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 - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 5 procedures, 51 locations, 5 error locations. Started 1 CEGAR loops. OverallTime: 130.5s, OverallIterations: 5, TraceHistogramMax: 0, PathProgramHistogramMax: 3, EmptinessCheckTime: 120.0s, 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: 34, 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, 0.7s SatisfiabilityAnalysisTime, 9.7s InterpolantComputationTime, 110 NumberOfCodeBlocks, 110 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 105 ConstructedInterpolants, 0 QuantifiedInterpolants, 1602 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 2 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-11-08 12:08:44,022 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f76ea60-aabd-48e9-9ab0-73f2670c2aee/bin/ugemcutter-verify-v6A4Riy6iL/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