./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/pthread-wmm/rfi002_power.oepc_power.opt_pso.oepc_pso.opt_rmo.oepc_rmo.opt.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 0e0057cc 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_7276e52b-693e-4f73-9c78-49daea5942e2/bin/ugemcutter-verify-oI9GxRtH0S/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7276e52b-693e-4f73-9c78-49daea5942e2/bin/ugemcutter-verify-oI9GxRtH0S/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7276e52b-693e-4f73-9c78-49daea5942e2/bin/ugemcutter-verify-oI9GxRtH0S/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7276e52b-693e-4f73-9c78-49daea5942e2/bin/ugemcutter-verify-oI9GxRtH0S/config/GemCutterReach.xml -i ../../sv-benchmarks/c/pthread-wmm/rfi002_power.oepc_power.opt_pso.oepc_pso.opt_rmo.oepc_rmo.opt.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7276e52b-693e-4f73-9c78-49daea5942e2/bin/ugemcutter-verify-oI9GxRtH0S/config/svcomp-DataRace-32bit-GemCutter_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7276e52b-693e-4f73-9c78-49daea5942e2/bin/ugemcutter-verify-oI9GxRtH0S --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! data-race) ) --witnessprinter.graph.data.producer GemCutter --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 9d6df98e8ac4880739ff8c7fa9cf00b32c56a4c64770b2bc9bcfef3d013872fa --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 22:08:06,250 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 22:08:06,340 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7276e52b-693e-4f73-9c78-49daea5942e2/bin/ugemcutter-verify-oI9GxRtH0S/config/svcomp-DataRace-32bit-GemCutter_Default.epf [2023-11-24 22:08:06,350 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 22:08:06,351 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-24 22:08:06,391 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 22:08:06,396 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-24 22:08:06,396 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-24 22:08:06,398 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 22:08:06,403 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-24 22:08:06,404 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 22:08:06,404 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 22:08:06,405 INFO L153 SettingsManager]: * Use SBE=true [2023-11-24 22:08:06,407 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 22:08:06,407 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 22:08:06,408 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 22:08:06,408 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 22:08:06,409 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 22:08:06,409 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 22:08:06,410 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 22:08:06,410 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 22:08:06,411 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 22:08:06,411 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2023-11-24 22:08:06,412 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-24 22:08:06,412 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 22:08:06,412 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 22:08:06,413 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 22:08:06,413 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 22:08:06,414 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-24 22:08:06,414 INFO L153 SettingsManager]: * To the following directory=./dump/ [2023-11-24 22:08:06,416 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-24 22:08:06,416 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-24 22:08:06,416 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 22:08:06,417 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 22:08:06,417 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 22:08:06,417 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-24 22:08:06,417 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 22:08:06,418 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-24 22:08:06,418 INFO L153 SettingsManager]: * Abstraction used for commutativity in POR=VARIABLES_GLOBAL [2023-11-24 22:08:06,418 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2023-11-24 22:08:06,418 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 22:08:06,419 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2023-11-24 22:08:06,419 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2023-11-24 22:08:06,419 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_7276e52b-693e-4f73-9c78-49daea5942e2/bin/ugemcutter-verify-oI9GxRtH0S/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7276e52b-693e-4f73-9c78-49daea5942e2/bin/ugemcutter-verify-oI9GxRtH0S Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> GemCutter Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9d6df98e8ac4880739ff8c7fa9cf00b32c56a4c64770b2bc9bcfef3d013872fa [2023-11-24 22:08:06,740 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 22:08:06,767 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 22:08:06,772 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 22:08:06,773 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 22:08:06,774 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 22:08:06,776 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7276e52b-693e-4f73-9c78-49daea5942e2/bin/ugemcutter-verify-oI9GxRtH0S/../../sv-benchmarks/c/pthread-wmm/rfi002_power.oepc_power.opt_pso.oepc_pso.opt_rmo.oepc_rmo.opt.i [2023-11-24 22:08:10,141 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 22:08:10,424 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 22:08:10,428 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7276e52b-693e-4f73-9c78-49daea5942e2/sv-benchmarks/c/pthread-wmm/rfi002_power.oepc_power.opt_pso.oepc_pso.opt_rmo.oepc_rmo.opt.i [2023-11-24 22:08:10,447 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7276e52b-693e-4f73-9c78-49daea5942e2/bin/ugemcutter-verify-oI9GxRtH0S/data/3acc3745f/7103b1ea36b34be08b40986c7c7fe863/FLAGc17993fe5 [2023-11-24 22:08:10,468 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7276e52b-693e-4f73-9c78-49daea5942e2/bin/ugemcutter-verify-oI9GxRtH0S/data/3acc3745f/7103b1ea36b34be08b40986c7c7fe863 [2023-11-24 22:08:10,471 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 22:08:10,473 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 22:08:10,474 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 22:08:10,475 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 22:08:10,482 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 22:08:10,486 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:08:10" (1/1) ... [2023-11-24 22:08:10,490 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3adf4eb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:08:10, skipping insertion in model container [2023-11-24 22:08:10,491 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:08:10" (1/1) ... [2023-11-24 22:08:10,573 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 22:08:11,192 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:08:11,207 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 22:08:11,369 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:08:11,426 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:08:11,426 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:08:11,435 INFO L206 MainTranslator]: Completed translation [2023-11-24 22:08:11,435 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:08:11 WrapperNode [2023-11-24 22:08:11,436 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 22:08:11,437 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 22:08:11,437 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 22:08:11,438 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 22:08:11,446 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:08:11" (1/1) ... [2023-11-24 22:08:11,508 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:08:11" (1/1) ... [2023-11-24 22:08:11,589 INFO L138 Inliner]: procedures = 175, calls = 48, calls flagged for inlining = 6, calls inlined = 7, statements flattened = 1385 [2023-11-24 22:08:11,589 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 22:08:11,590 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 22:08:11,590 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 22:08:11,590 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 22:08:11,601 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:08:11" (1/1) ... [2023-11-24 22:08:11,602 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:08:11" (1/1) ... [2023-11-24 22:08:11,609 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:08:11" (1/1) ... [2023-11-24 22:08:11,609 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:08:11" (1/1) ... [2023-11-24 22:08:11,679 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:08:11" (1/1) ... [2023-11-24 22:08:11,708 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:08:11" (1/1) ... [2023-11-24 22:08:11,727 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:08:11" (1/1) ... [2023-11-24 22:08:11,735 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:08:11" (1/1) ... [2023-11-24 22:08:11,762 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 22:08:11,763 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 22:08:11,763 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 22:08:11,764 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 22:08:11,765 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:08:11" (1/1) ... [2023-11-24 22:08:11,776 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-24 22:08:11,787 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7276e52b-693e-4f73-9c78-49daea5942e2/bin/ugemcutter-verify-oI9GxRtH0S/z3 [2023-11-24 22:08:11,812 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7276e52b-693e-4f73-9c78-49daea5942e2/bin/ugemcutter-verify-oI9GxRtH0S/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-24 22:08:11,835 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7276e52b-693e-4f73-9c78-49daea5942e2/bin/ugemcutter-verify-oI9GxRtH0S/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-24 22:08:11,858 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-24 22:08:11,858 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-24 22:08:11,858 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 22:08:11,859 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-24 22:08:11,859 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-24 22:08:11,859 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2023-11-24 22:08:11,859 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2023-11-24 22:08:11,859 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2023-11-24 22:08:11,859 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2023-11-24 22:08:11,861 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 22:08:11,862 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-24 22:08:11,862 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 22:08:11,863 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 22:08:11,865 WARN L213 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-24 22:08:12,088 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 22:08:12,090 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 22:08:14,481 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 22:08:24,841 WARN L1821 r$LargeBlockEncoding]: Complex 2:9 sequential composition. Such compositions can cause exponential blowup and should not occur in structured programs. [2023-11-24 22:08:25,001 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 22:08:25,002 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-24 22:08:25,004 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:08:25 BoogieIcfgContainer [2023-11-24 22:08:25,004 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 22:08:25,007 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-24 22:08:25,007 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-24 22:08:25,011 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-24 22:08:25,011 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.11 10:08:10" (1/3) ... [2023-11-24 22:08:25,012 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2e07fb40 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 10:08:25, skipping insertion in model container [2023-11-24 22:08:25,013 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:08:11" (2/3) ... [2023-11-24 22:08:25,013 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2e07fb40 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 10:08:25, skipping insertion in model container [2023-11-24 22:08:25,013 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:08:25" (3/3) ... [2023-11-24 22:08:25,015 INFO L112 eAbstractionObserver]: Analyzing ICFG rfi002_power.oepc_power.opt_pso.oepc_pso.opt_rmo.oepc_rmo.opt.i [2023-11-24 22:08:25,026 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-11-24 22:08:25,038 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-24 22:08:25,039 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 430 error locations. [2023-11-24 22:08:25,039 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-24 22:08:25,514 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-11-24 22:08:25,578 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-24 22:08:25,578 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2023-11-24 22:08:25,579 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7276e52b-693e-4f73-9c78-49daea5942e2/bin/ugemcutter-verify-oI9GxRtH0S/z3 [2023-11-24 22:08:25,584 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7276e52b-693e-4f73-9c78-49daea5942e2/bin/ugemcutter-verify-oI9GxRtH0S/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2023-11-24 22:08:25,596 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7276e52b-693e-4f73-9c78-49daea5942e2/bin/ugemcutter-verify-oI9GxRtH0S/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2023-11-24 22:08:25,654 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2023-11-24 22:08:25,669 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == P1Thread1of1ForFork0 ======== [2023-11-24 22:08:25,677 INFO L357 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, mHoare=true, 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;@40a8da78, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-24 22:08:25,678 INFO L358 AbstractCegarLoop]: Starting to check reachability of 144 error locations. [2023-11-24 22:08:34,812 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting P1Err0ASSERT_VIOLATIONDATA_RACE === [P1Err0ASSERT_VIOLATIONDATA_RACE, P1Err1ASSERT_VIOLATIONDATA_RACE, P1Err2ASSERT_VIOLATIONDATA_RACE, P1Err3ASSERT_VIOLATIONDATA_RACE (and 140 more)] === [2023-11-24 22:08:34,822 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 22:08:34,823 INFO L85 PathProgramCache]: Analyzing trace with hash 1411818967, now seen corresponding path program 1 times [2023-11-24 22:08:34,833 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-24 22:08:34,834 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2004540555] [2023-11-24 22:08:34,835 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 22:08:34,835 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:08:35,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:08:35,176 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:08:35,177 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-24 22:08:35,177 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2004540555] [2023-11-24 22:08:35,178 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2004540555] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-24 22:08:35,178 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-24 22:08:35,179 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-24 22:08:35,180 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [258374000] [2023-11-24 22:08:35,181 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-24 22:08:35,186 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-24 22:08:35,186 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-24 22:08:35,214 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-24 22:08:35,215 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-24 22:08:35,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-24 22:08:35,222 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-11-24 22:08:35,223 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 24.0) internal successors, (48), 2 states have internal predecessors, (48), 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) [2023-11-24 22:08:35,223 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-24 22:08:48,590 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-24 22:08:48,594 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONDATA_RACE (143 of 144 remaining) [2023-11-24 22:08:48,595 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONDATA_RACE (142 of 144 remaining) [2023-11-24 22:08:48,596 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err2ASSERT_VIOLATIONDATA_RACE (141 of 144 remaining) [2023-11-24 22:08:48,596 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err3ASSERT_VIOLATIONDATA_RACE (140 of 144 remaining) [2023-11-24 22:08:48,596 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err4ASSERT_VIOLATIONDATA_RACE (139 of 144 remaining) [2023-11-24 22:08:48,597 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err5ASSERT_VIOLATIONDATA_RACE (138 of 144 remaining) [2023-11-24 22:08:48,597 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err6ASSERT_VIOLATIONDATA_RACE (137 of 144 remaining) [2023-11-24 22:08:48,597 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err7ASSERT_VIOLATIONDATA_RACE (136 of 144 remaining) [2023-11-24 22:08:48,598 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err8ASSERT_VIOLATIONDATA_RACE (135 of 144 remaining) [2023-11-24 22:08:48,599 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err9ASSERT_VIOLATIONDATA_RACE (134 of 144 remaining) [2023-11-24 22:08:48,600 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err10ASSERT_VIOLATIONDATA_RACE (133 of 144 remaining) [2023-11-24 22:08:48,600 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err11ASSERT_VIOLATIONDATA_RACE (132 of 144 remaining) [2023-11-24 22:08:48,600 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err12ASSERT_VIOLATIONDATA_RACE (131 of 144 remaining) [2023-11-24 22:08:48,601 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err13ASSERT_VIOLATIONDATA_RACE (130 of 144 remaining) [2023-11-24 22:08:48,601 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err14ASSERT_VIOLATIONDATA_RACE (129 of 144 remaining) [2023-11-24 22:08:48,602 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err15ASSERT_VIOLATIONDATA_RACE (128 of 144 remaining) [2023-11-24 22:08:48,602 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err16ASSERT_VIOLATIONDATA_RACE (127 of 144 remaining) [2023-11-24 22:08:48,604 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err17ASSERT_VIOLATIONDATA_RACE (126 of 144 remaining) [2023-11-24 22:08:48,604 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err18ASSERT_VIOLATIONDATA_RACE (125 of 144 remaining) [2023-11-24 22:08:48,605 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err19ASSERT_VIOLATIONDATA_RACE (124 of 144 remaining) [2023-11-24 22:08:48,605 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err20ASSERT_VIOLATIONDATA_RACE (123 of 144 remaining) [2023-11-24 22:08:48,605 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err21ASSERT_VIOLATIONDATA_RACE (122 of 144 remaining) [2023-11-24 22:08:48,606 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err22ASSERT_VIOLATIONDATA_RACE (121 of 144 remaining) [2023-11-24 22:08:48,606 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err23ASSERT_VIOLATIONDATA_RACE (120 of 144 remaining) [2023-11-24 22:08:48,607 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err24ASSERT_VIOLATIONDATA_RACE (119 of 144 remaining) [2023-11-24 22:08:48,607 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err25ASSERT_VIOLATIONDATA_RACE (118 of 144 remaining) [2023-11-24 22:08:48,608 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err26ASSERT_VIOLATIONDATA_RACE (117 of 144 remaining) [2023-11-24 22:08:48,613 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err27ASSERT_VIOLATIONDATA_RACE (116 of 144 remaining) [2023-11-24 22:08:48,614 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err28ASSERT_VIOLATIONDATA_RACE (115 of 144 remaining) [2023-11-24 22:08:48,614 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err30ASSERT_VIOLATIONDATA_RACE (114 of 144 remaining) [2023-11-24 22:08:48,614 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err31ASSERT_VIOLATIONDATA_RACE (113 of 144 remaining) [2023-11-24 22:08:48,615 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err33ASSERT_VIOLATIONDATA_RACE (112 of 144 remaining) [2023-11-24 22:08:48,615 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err32ASSERT_VIOLATIONDATA_RACE (111 of 144 remaining) [2023-11-24 22:08:48,615 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err29ASSERT_VIOLATIONDATA_RACE (110 of 144 remaining) [2023-11-24 22:08:48,615 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err34ASSERT_VIOLATIONDATA_RACE (109 of 144 remaining) [2023-11-24 22:08:48,616 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err35ASSERT_VIOLATIONDATA_RACE (108 of 144 remaining) [2023-11-24 22:08:48,616 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err37ASSERT_VIOLATIONDATA_RACE (107 of 144 remaining) [2023-11-24 22:08:48,616 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err38ASSERT_VIOLATIONDATA_RACE (106 of 144 remaining) [2023-11-24 22:08:48,617 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err39ASSERT_VIOLATIONDATA_RACE (105 of 144 remaining) [2023-11-24 22:08:48,617 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err40ASSERT_VIOLATIONDATA_RACE (104 of 144 remaining) [2023-11-24 22:08:48,617 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err41ASSERT_VIOLATIONDATA_RACE (103 of 144 remaining) [2023-11-24 22:08:48,618 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err43ASSERT_VIOLATIONDATA_RACE (102 of 144 remaining) [2023-11-24 22:08:48,618 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err44ASSERT_VIOLATIONDATA_RACE (101 of 144 remaining) [2023-11-24 22:08:48,618 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err46ASSERT_VIOLATIONDATA_RACE (100 of 144 remaining) [2023-11-24 22:08:48,618 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err45ASSERT_VIOLATIONDATA_RACE (99 of 144 remaining) [2023-11-24 22:08:48,619 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err42ASSERT_VIOLATIONDATA_RACE (98 of 144 remaining) [2023-11-24 22:08:48,619 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err36ASSERT_VIOLATIONDATA_RACE (97 of 144 remaining) [2023-11-24 22:08:48,620 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err47ASSERT_VIOLATIONDATA_RACE (96 of 144 remaining) [2023-11-24 22:08:48,620 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err48ASSERT_VIOLATIONDATA_RACE (95 of 144 remaining) [2023-11-24 22:08:48,620 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err50ASSERT_VIOLATIONDATA_RACE (94 of 144 remaining) [2023-11-24 22:08:48,621 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err51ASSERT_VIOLATIONDATA_RACE (93 of 144 remaining) [2023-11-24 22:08:48,621 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err52ASSERT_VIOLATIONDATA_RACE (92 of 144 remaining) [2023-11-24 22:08:48,621 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err53ASSERT_VIOLATIONDATA_RACE (91 of 144 remaining) [2023-11-24 22:08:48,621 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err54ASSERT_VIOLATIONDATA_RACE (90 of 144 remaining) [2023-11-24 22:08:48,622 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err56ASSERT_VIOLATIONDATA_RACE (89 of 144 remaining) [2023-11-24 22:08:48,622 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err57ASSERT_VIOLATIONDATA_RACE (88 of 144 remaining) [2023-11-24 22:08:48,622 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err59ASSERT_VIOLATIONDATA_RACE (87 of 144 remaining) [2023-11-24 22:08:48,623 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err58ASSERT_VIOLATIONDATA_RACE (86 of 144 remaining) [2023-11-24 22:08:48,623 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err55ASSERT_VIOLATIONDATA_RACE (85 of 144 remaining) [2023-11-24 22:08:48,628 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err49ASSERT_VIOLATIONDATA_RACE (84 of 144 remaining) [2023-11-24 22:08:48,628 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err60ASSERT_VIOLATIONDATA_RACE (83 of 144 remaining) [2023-11-24 22:08:48,629 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err61ASSERT_VIOLATIONDATA_RACE (82 of 144 remaining) [2023-11-24 22:08:48,629 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err63ASSERT_VIOLATIONDATA_RACE (81 of 144 remaining) [2023-11-24 22:08:48,630 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err64ASSERT_VIOLATIONDATA_RACE (80 of 144 remaining) [2023-11-24 22:08:48,630 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err65ASSERT_VIOLATIONDATA_RACE (79 of 144 remaining) [2023-11-24 22:08:48,630 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err66ASSERT_VIOLATIONDATA_RACE (78 of 144 remaining) [2023-11-24 22:08:48,631 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err67ASSERT_VIOLATIONDATA_RACE (77 of 144 remaining) [2023-11-24 22:08:48,632 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err69ASSERT_VIOLATIONDATA_RACE (76 of 144 remaining) [2023-11-24 22:08:48,632 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err70ASSERT_VIOLATIONDATA_RACE (75 of 144 remaining) [2023-11-24 22:08:48,632 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err71ASSERT_VIOLATIONDATA_RACE (74 of 144 remaining) [2023-11-24 22:08:48,632 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err68ASSERT_VIOLATIONDATA_RACE (73 of 144 remaining) [2023-11-24 22:08:48,633 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err62ASSERT_VIOLATIONDATA_RACE (72 of 144 remaining) [2023-11-24 22:08:48,633 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err72ASSERT_VIOLATIONDATA_RACE (71 of 144 remaining) [2023-11-24 22:08:48,633 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err73ASSERT_VIOLATIONDATA_RACE (70 of 144 remaining) [2023-11-24 22:08:48,634 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err75ASSERT_VIOLATIONDATA_RACE (69 of 144 remaining) [2023-11-24 22:08:48,634 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err76ASSERT_VIOLATIONDATA_RACE (68 of 144 remaining) [2023-11-24 22:08:48,634 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err77ASSERT_VIOLATIONDATA_RACE (67 of 144 remaining) [2023-11-24 22:08:48,635 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err78ASSERT_VIOLATIONDATA_RACE (66 of 144 remaining) [2023-11-24 22:08:48,636 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err79ASSERT_VIOLATIONDATA_RACE (65 of 144 remaining) [2023-11-24 22:08:48,638 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err81ASSERT_VIOLATIONDATA_RACE (64 of 144 remaining) [2023-11-24 22:08:48,639 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err82ASSERT_VIOLATIONDATA_RACE (63 of 144 remaining) [2023-11-24 22:08:48,640 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err80ASSERT_VIOLATIONDATA_RACE (62 of 144 remaining) [2023-11-24 22:08:48,640 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err74ASSERT_VIOLATIONDATA_RACE (61 of 144 remaining) [2023-11-24 22:08:48,640 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err83ASSERT_VIOLATIONDATA_RACE (60 of 144 remaining) [2023-11-24 22:08:48,640 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err84ASSERT_VIOLATIONDATA_RACE (59 of 144 remaining) [2023-11-24 22:08:48,642 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err86ASSERT_VIOLATIONDATA_RACE (58 of 144 remaining) [2023-11-24 22:08:48,642 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err87ASSERT_VIOLATIONDATA_RACE (57 of 144 remaining) [2023-11-24 22:08:48,642 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err88ASSERT_VIOLATIONDATA_RACE (56 of 144 remaining) [2023-11-24 22:08:48,648 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err89ASSERT_VIOLATIONDATA_RACE (55 of 144 remaining) [2023-11-24 22:08:48,649 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err90ASSERT_VIOLATIONDATA_RACE (54 of 144 remaining) [2023-11-24 22:08:48,649 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err92ASSERT_VIOLATIONDATA_RACE (53 of 144 remaining) [2023-11-24 22:08:48,649 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err93ASSERT_VIOLATIONDATA_RACE (52 of 144 remaining) [2023-11-24 22:08:48,649 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err94ASSERT_VIOLATIONDATA_RACE (51 of 144 remaining) [2023-11-24 22:08:48,650 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err91ASSERT_VIOLATIONDATA_RACE (50 of 144 remaining) [2023-11-24 22:08:48,650 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err85ASSERT_VIOLATIONDATA_RACE (49 of 144 remaining) [2023-11-24 22:08:48,650 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err95ASSERT_VIOLATIONDATA_RACE (48 of 144 remaining) [2023-11-24 22:08:48,650 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err96ASSERT_VIOLATIONDATA_RACE (47 of 144 remaining) [2023-11-24 22:08:48,651 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err98ASSERT_VIOLATIONDATA_RACE (46 of 144 remaining) [2023-11-24 22:08:48,651 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err99ASSERT_VIOLATIONDATA_RACE (45 of 144 remaining) [2023-11-24 22:08:48,651 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err100ASSERT_VIOLATIONDATA_RACE (44 of 144 remaining) [2023-11-24 22:08:48,652 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err101ASSERT_VIOLATIONDATA_RACE (43 of 144 remaining) [2023-11-24 22:08:48,652 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err102ASSERT_VIOLATIONDATA_RACE (42 of 144 remaining) [2023-11-24 22:08:48,653 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err104ASSERT_VIOLATIONDATA_RACE (41 of 144 remaining) [2023-11-24 22:08:48,653 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err105ASSERT_VIOLATIONDATA_RACE (40 of 144 remaining) [2023-11-24 22:08:48,654 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err103ASSERT_VIOLATIONDATA_RACE (39 of 144 remaining) [2023-11-24 22:08:48,654 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err97ASSERT_VIOLATIONDATA_RACE (38 of 144 remaining) [2023-11-24 22:08:48,654 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err106ASSERT_VIOLATIONDATA_RACE (37 of 144 remaining) [2023-11-24 22:08:48,654 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err107ASSERT_VIOLATIONDATA_RACE (36 of 144 remaining) [2023-11-24 22:08:48,655 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err108ASSERT_VIOLATIONDATA_RACE (35 of 144 remaining) [2023-11-24 22:08:48,655 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err109ASSERT_VIOLATIONDATA_RACE (34 of 144 remaining) [2023-11-24 22:08:48,655 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err111ASSERT_VIOLATIONDATA_RACE (33 of 144 remaining) [2023-11-24 22:08:48,655 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err110ASSERT_VIOLATIONDATA_RACE (32 of 144 remaining) [2023-11-24 22:08:48,656 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err112ASSERT_VIOLATIONDATA_RACE (31 of 144 remaining) [2023-11-24 22:08:48,656 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err113ASSERT_VIOLATIONDATA_RACE (30 of 144 remaining) [2023-11-24 22:08:48,656 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err114ASSERT_VIOLATIONDATA_RACE (29 of 144 remaining) [2023-11-24 22:08:48,657 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err115ASSERT_VIOLATIONDATA_RACE (28 of 144 remaining) [2023-11-24 22:08:48,657 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err117ASSERT_VIOLATIONDATA_RACE (27 of 144 remaining) [2023-11-24 22:08:48,657 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err118ASSERT_VIOLATIONDATA_RACE (26 of 144 remaining) [2023-11-24 22:08:48,657 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err120ASSERT_VIOLATIONDATA_RACE (25 of 144 remaining) [2023-11-24 22:08:48,658 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err119ASSERT_VIOLATIONDATA_RACE (24 of 144 remaining) [2023-11-24 22:08:48,658 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err116ASSERT_VIOLATIONDATA_RACE (23 of 144 remaining) [2023-11-24 22:08:48,658 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err121ASSERT_VIOLATIONDATA_RACE (22 of 144 remaining) [2023-11-24 22:08:48,658 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err122ASSERT_VIOLATIONDATA_RACE (21 of 144 remaining) [2023-11-24 22:08:48,659 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err123ASSERT_VIOLATIONDATA_RACE (20 of 144 remaining) [2023-11-24 22:08:48,659 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err124ASSERT_VIOLATIONDATA_RACE (19 of 144 remaining) [2023-11-24 22:08:48,659 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err125ASSERT_VIOLATIONDATA_RACE (18 of 144 remaining) [2023-11-24 22:08:48,659 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err126ASSERT_VIOLATIONDATA_RACE (17 of 144 remaining) [2023-11-24 22:08:48,660 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err127ASSERT_VIOLATIONDATA_RACE (16 of 144 remaining) [2023-11-24 22:08:48,660 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err128ASSERT_VIOLATIONDATA_RACE (15 of 144 remaining) [2023-11-24 22:08:48,660 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err129ASSERT_VIOLATIONDATA_RACE (14 of 144 remaining) [2023-11-24 22:08:48,660 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err130ASSERT_VIOLATIONDATA_RACE (13 of 144 remaining) [2023-11-24 22:08:48,661 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err131ASSERT_VIOLATIONDATA_RACE (12 of 144 remaining) [2023-11-24 22:08:48,661 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err132ASSERT_VIOLATIONDATA_RACE (11 of 144 remaining) [2023-11-24 22:08:48,661 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err133ASSERT_VIOLATIONDATA_RACE (10 of 144 remaining) [2023-11-24 22:08:48,662 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err134ASSERT_VIOLATIONDATA_RACE (9 of 144 remaining) [2023-11-24 22:08:48,662 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err135ASSERT_VIOLATIONDATA_RACE (8 of 144 remaining) [2023-11-24 22:08:48,662 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err136ASSERT_VIOLATIONDATA_RACE (7 of 144 remaining) [2023-11-24 22:08:48,662 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err137ASSERT_VIOLATIONDATA_RACE (6 of 144 remaining) [2023-11-24 22:08:48,663 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err138ASSERT_VIOLATIONDATA_RACE (5 of 144 remaining) [2023-11-24 22:08:48,663 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err139ASSERT_VIOLATIONDATA_RACE (4 of 144 remaining) [2023-11-24 22:08:48,663 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err140ASSERT_VIOLATIONDATA_RACE (3 of 144 remaining) [2023-11-24 22:08:48,663 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err141ASSERT_VIOLATIONDATA_RACE (2 of 144 remaining) [2023-11-24 22:08:48,664 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err142ASSERT_VIOLATIONDATA_RACE (1 of 144 remaining) [2023-11-24 22:08:48,664 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err143ASSERT_VIOLATIONDATA_RACE (0 of 144 remaining) [2023-11-24 22:08:48,664 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-24 22:08:48,679 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-11-24 22:08:48,681 INFO L307 ceAbstractionStarter]: Result for error location P1Thread1of1ForFork0 was SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE (1/3) [2023-11-24 22:08:48,695 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-24 22:08:48,696 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2023-11-24 22:08:48,696 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7276e52b-693e-4f73-9c78-49daea5942e2/bin/ugemcutter-verify-oI9GxRtH0S/z3 [2023-11-24 22:08:48,740 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7276e52b-693e-4f73-9c78-49daea5942e2/bin/ugemcutter-verify-oI9GxRtH0S/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2023-11-24 22:08:48,751 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2023-11-24 22:08:48,756 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2023-11-24 22:08:48,757 INFO L357 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, mHoare=true, 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;@40a8da78, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-24 22:08:48,757 INFO L358 AbstractCegarLoop]: Starting to check reachability of 133 error locations. [2023-11-24 22:08:48,760 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7276e52b-693e-4f73-9c78-49daea5942e2/bin/ugemcutter-verify-oI9GxRtH0S/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (3)] Waiting until timeout for monitored process [2023-11-24 22:08:54,073 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 130 more)] === [2023-11-24 22:08:54,074 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 22:08:54,074 INFO L85 PathProgramCache]: Analyzing trace with hash 236559022, now seen corresponding path program 1 times [2023-11-24 22:08:54,075 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-24 22:08:54,075 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [55083730] [2023-11-24 22:08:54,075 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 22:08:54,075 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:08:54,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:08:54,176 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:08:54,176 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-24 22:08:54,177 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [55083730] [2023-11-24 22:08:54,177 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [55083730] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-24 22:08:54,177 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-24 22:08:54,177 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2023-11-24 22:08:54,178 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [723350938] [2023-11-24 22:08:54,178 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-24 22:08:54,178 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-24 22:08:54,178 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-24 22:08:54,179 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-24 22:08:54,180 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-24 22:08:54,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-24 22:08:54,182 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-11-24 22:08:54,182 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 1 states have (on average 47.0) internal successors, (47), 2 states have internal predecessors, (47), 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) [2023-11-24 22:08:54,182 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-24 22:08:54,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-24 22:08:54,210 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-24 22:08:54,210 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 130 more)] === [2023-11-24 22:08:54,211 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 22:08:54,211 INFO L85 PathProgramCache]: Analyzing trace with hash -299595633, now seen corresponding path program 1 times [2023-11-24 22:08:54,211 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-24 22:08:54,212 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [424522252] [2023-11-24 22:08:54,212 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 22:08:54,212 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:08:54,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:08:54,350 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:08:54,351 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-24 22:08:54,351 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [424522252] [2023-11-24 22:08:54,351 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [424522252] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-24 22:08:54,351 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-24 22:08:54,352 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-24 22:08:54,352 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1307446640] [2023-11-24 22:08:54,352 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-24 22:08:54,353 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-24 22:08:54,353 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-24 22:08:54,354 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-24 22:08:54,355 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-24 22:08:54,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-24 22:08:54,357 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-11-24 22:08:54,358 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 24.5) internal successors, (49), 3 states have internal predecessors, (49), 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) [2023-11-24 22:08:54,358 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-24 22:08:54,362 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.