./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/weaver/popl20-bad-dot-product.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_245ef9f7-6832-4f59-8544-18536513fd15/bin/ugemcutter-verify-fG3NtRWMco/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_245ef9f7-6832-4f59-8544-18536513fd15/bin/ugemcutter-verify-fG3NtRWMco/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_245ef9f7-6832-4f59-8544-18536513fd15/bin/ugemcutter-verify-fG3NtRWMco/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_245ef9f7-6832-4f59-8544-18536513fd15/bin/ugemcutter-verify-fG3NtRWMco/config/GemCutterReach.xml -i ../../sv-benchmarks/c/weaver/popl20-bad-dot-product.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_245ef9f7-6832-4f59-8544-18536513fd15/bin/ugemcutter-verify-fG3NtRWMco/config/svcomp-DataRace-32bit-GemCutter_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_245ef9f7-6832-4f59-8544-18536513fd15/bin/ugemcutter-verify-fG3NtRWMco --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 39e90898aa78f5642c5c7d6f9df6b2e15e069a046a9465d5d61576c4b07f46b8 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-27 06:38:02,706 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-27 06:38:02,802 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_245ef9f7-6832-4f59-8544-18536513fd15/bin/ugemcutter-verify-fG3NtRWMco/config/svcomp-DataRace-32bit-GemCutter_Default.epf [2024-11-27 06:38:02,808 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-27 06:38:02,808 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-27 06:38:02,832 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-27 06:38:02,833 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-27 06:38:02,833 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-27 06:38:02,834 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-27 06:38:02,834 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-27 06:38:02,834 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-27 06:38:02,835 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-27 06:38:02,835 INFO L153 SettingsManager]: * Use SBE=true [2024-11-27 06:38:02,835 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-27 06:38:02,835 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-27 06:38:02,835 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-27 06:38:02,836 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-27 06:38:02,836 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-27 06:38:02,836 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-27 06:38:02,836 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-27 06:38:02,836 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-27 06:38:02,836 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-27 06:38:02,837 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-11-27 06:38:02,837 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-27 06:38:02,837 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-27 06:38:02,837 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-27 06:38:02,837 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-27 06:38:02,837 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-27 06:38:02,837 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-27 06:38:02,838 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-27 06:38:02,838 INFO L153 SettingsManager]: * To the following directory=./dump/ [2024-11-27 06:38:02,838 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-27 06:38:02,838 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-27 06:38:02,838 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-27 06:38:02,838 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-27 06:38:02,839 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-27 06:38:02,839 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-27 06:38:02,839 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-27 06:38:02,839 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-27 06:38:02,839 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-27 06:38:02,839 INFO L153 SettingsManager]: * Abstraction used for commutativity in POR=VARIABLES_GLOBAL [2024-11-27 06:38:02,839 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-11-27 06:38:02,839 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-11-27 06:38:02,840 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-11-27 06:38:02,840 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_245ef9f7-6832-4f59-8544-18536513fd15/bin/ugemcutter-verify-fG3NtRWMco 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 -> 39e90898aa78f5642c5c7d6f9df6b2e15e069a046a9465d5d61576c4b07f46b8 [2024-11-27 06:38:03,170 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-27 06:38:03,180 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-27 06:38:03,183 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-27 06:38:03,184 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-27 06:38:03,185 INFO L274 PluginConnector]: CDTParser initialized [2024-11-27 06:38:03,186 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_245ef9f7-6832-4f59-8544-18536513fd15/bin/ugemcutter-verify-fG3NtRWMco/../../sv-benchmarks/c/weaver/popl20-bad-dot-product.wvr.c [2024-11-27 06:38:06,310 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_245ef9f7-6832-4f59-8544-18536513fd15/bin/ugemcutter-verify-fG3NtRWMco/data/d0a629149/56a7c60697e045d3b642144bc3565342/FLAG6e4dd7633 [2024-11-27 06:38:06,628 INFO L384 CDTParser]: Found 1 translation units. [2024-11-27 06:38:06,629 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_245ef9f7-6832-4f59-8544-18536513fd15/sv-benchmarks/c/weaver/popl20-bad-dot-product.wvr.c [2024-11-27 06:38:06,638 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_245ef9f7-6832-4f59-8544-18536513fd15/bin/ugemcutter-verify-fG3NtRWMco/data/d0a629149/56a7c60697e045d3b642144bc3565342/FLAG6e4dd7633 [2024-11-27 06:38:06,662 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_245ef9f7-6832-4f59-8544-18536513fd15/bin/ugemcutter-verify-fG3NtRWMco/data/d0a629149/56a7c60697e045d3b642144bc3565342 [2024-11-27 06:38:06,664 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-27 06:38:06,668 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-27 06:38:06,670 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-27 06:38:06,670 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-27 06:38:06,676 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-27 06:38:06,677 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 06:38:06" (1/1) ... [2024-11-27 06:38:06,679 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@724d747e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 06:38:06, skipping insertion in model container [2024-11-27 06:38:06,681 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 06:38:06" (1/1) ... [2024-11-27 06:38:06,712 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-27 06:38:07,015 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-27 06:38:07,031 INFO L200 MainTranslator]: Completed pre-run [2024-11-27 06:38:07,103 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-27 06:38:07,135 INFO L204 MainTranslator]: Completed translation [2024-11-27 06:38:07,136 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 06:38:07 WrapperNode [2024-11-27 06:38:07,136 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-27 06:38:07,137 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-27 06:38:07,138 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-27 06:38:07,138 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-27 06:38:07,154 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 06:38:07" (1/1) ... [2024-11-27 06:38:07,173 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 06:38:07" (1/1) ... [2024-11-27 06:38:07,232 INFO L138 Inliner]: procedures = 25, calls = 41, calls flagged for inlining = 17, calls inlined = 23, statements flattened = 413 [2024-11-27 06:38:07,236 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-27 06:38:07,237 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-27 06:38:07,237 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-27 06:38:07,237 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-27 06:38:07,251 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 06:38:07" (1/1) ... [2024-11-27 06:38:07,251 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 06:38:07" (1/1) ... [2024-11-27 06:38:07,262 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 06:38:07" (1/1) ... [2024-11-27 06:38:07,263 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 06:38:07" (1/1) ... [2024-11-27 06:38:07,297 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 06:38:07" (1/1) ... [2024-11-27 06:38:07,299 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 06:38:07" (1/1) ... [2024-11-27 06:38:07,311 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 06:38:07" (1/1) ... [2024-11-27 06:38:07,317 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 06:38:07" (1/1) ... [2024-11-27 06:38:07,319 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 06:38:07" (1/1) ... [2024-11-27 06:38:07,325 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-27 06:38:07,326 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-27 06:38:07,330 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-27 06:38:07,330 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-27 06:38:07,331 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 06:38:07" (1/1) ... [2024-11-27 06:38:07,339 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-27 06:38:07,354 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_245ef9f7-6832-4f59-8544-18536513fd15/bin/ugemcutter-verify-fG3NtRWMco/z3 [2024-11-27 06:38:07,365 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_245ef9f7-6832-4f59-8544-18536513fd15/bin/ugemcutter-verify-fG3NtRWMco/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-27 06:38:07,371 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_245ef9f7-6832-4f59-8544-18536513fd15/bin/ugemcutter-verify-fG3NtRWMco/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-27 06:38:07,395 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-27 06:38:07,396 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-11-27 06:38:07,396 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-11-27 06:38:07,396 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-11-27 06:38:07,396 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-11-27 06:38:07,396 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-11-27 06:38:07,396 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-11-27 06:38:07,396 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-27 06:38:07,396 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-27 06:38:07,396 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-11-27 06:38:07,396 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-11-27 06:38:07,396 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-27 06:38:07,396 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-27 06:38:07,397 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-27 06:38:07,397 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-27 06:38:07,398 WARN L203 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-27 06:38:07,538 INFO L234 CfgBuilder]: Building ICFG [2024-11-27 06:38:07,541 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-27 06:38:08,564 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-27 06:38:08,565 INFO L283 CfgBuilder]: Performing block encoding [2024-11-27 06:38:08,906 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-27 06:38:08,907 INFO L312 CfgBuilder]: Removed 8 assume(true) statements. [2024-11-27 06:38:08,909 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 06:38:08 BoogieIcfgContainer [2024-11-27 06:38:08,909 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-27 06:38:08,912 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-27 06:38:08,912 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-27 06:38:08,919 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-27 06:38:08,920 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.11 06:38:06" (1/3) ... [2024-11-27 06:38:08,921 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@23c04387 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.11 06:38:08, skipping insertion in model container [2024-11-27 06:38:08,921 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 06:38:07" (2/3) ... [2024-11-27 06:38:08,922 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@23c04387 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.11 06:38:08, skipping insertion in model container [2024-11-27 06:38:08,923 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 06:38:08" (3/3) ... [2024-11-27 06:38:08,924 INFO L128 eAbstractionObserver]: Analyzing ICFG popl20-bad-dot-product.wvr.c [2024-11-27 06:38:08,947 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-27 06:38:08,949 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG popl20-bad-dot-product.wvr.c that has 4 procedures, 388 locations, 1 initial locations, 8 loop locations, and 45 error locations. [2024-11-27 06:38:08,951 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-27 06:38:09,152 INFO L143 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2024-11-27 06:38:09,257 INFO L125 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-27 06:38:09,258 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-11-27 06:38:09,258 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_245ef9f7-6832-4f59-8544-18536513fd15/bin/ugemcutter-verify-fG3NtRWMco/z3 [2024-11-27 06:38:09,264 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_245ef9f7-6832-4f59-8544-18536513fd15/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-11-27 06:38:09,268 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_245ef9f7-6832-4f59-8544-18536513fd15/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2024-11-27 06:38:09,391 INFO L177 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-11-27 06:38:09,405 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == thread2Thread1of1ForFork0 ======== [2024-11-27 06:38:09,417 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;@17e9a816, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-27 06:38:09,417 INFO L334 AbstractCegarLoop]: Starting to check reachability of 10 error locations. [2024-11-27 06:38:09,918 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting thread2Err0ASSERT_VIOLATIONDATA_RACE === [thread2Err0ASSERT_VIOLATIONDATA_RACE, thread2Err1ASSERT_VIOLATIONDATA_RACE, thread2Err2ASSERT_VIOLATIONDATA_RACE, thread2Err3ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2024-11-27 06:38:09,925 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 06:38:09,926 INFO L85 PathProgramCache]: Analyzing trace with hash -1119022784, now seen corresponding path program 1 times [2024-11-27 06:38:09,936 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 06:38:09,937 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1599489118] [2024-11-27 06:38:09,937 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 06:38:09,940 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 06:38:10,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 06:38:10,279 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 06:38:10,280 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 06:38:10,280 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1599489118] [2024-11-27 06:38:10,281 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1599489118] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 06:38:10,281 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 06:38:10,282 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-27 06:38:10,283 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [857658682] [2024-11-27 06:38:10,284 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 06:38:10,289 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-27 06:38:10,289 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 06:38:10,315 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-27 06:38:10,315 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-27 06:38:10,316 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:38:10,324 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-27 06:38:10,326 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 72.5) internal successors, (145), 2 states have internal predecessors, (145), 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) [2024-11-27 06:38:10,326 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:38:10,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:38:10,414 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-27 06:38:10,414 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting thread2Err0ASSERT_VIOLATIONDATA_RACE === [thread2Err0ASSERT_VIOLATIONDATA_RACE, thread2Err1ASSERT_VIOLATIONDATA_RACE, thread2Err2ASSERT_VIOLATIONDATA_RACE, thread2Err3ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2024-11-27 06:38:10,415 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 06:38:10,415 INFO L85 PathProgramCache]: Analyzing trace with hash -49321373, now seen corresponding path program 1 times [2024-11-27 06:38:10,415 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 06:38:10,415 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [284047863] [2024-11-27 06:38:10,415 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 06:38:10,416 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 06:38:10,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 06:38:10,685 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 06:38:10,687 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 06:38:10,687 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [284047863] [2024-11-27 06:38:10,687 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [284047863] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 06:38:10,688 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 06:38:10,688 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-27 06:38:10,688 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [539829746] [2024-11-27 06:38:10,692 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 06:38:10,694 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 06:38:10,694 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 06:38:10,695 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 06:38:10,695 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 06:38:10,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:38:10,697 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-27 06:38:10,698 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 70.0) internal successors, (140), 3 states have internal predecessors, (140), 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) [2024-11-27 06:38:10,699 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:38:10,699 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:38:10,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:38:10,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 06:38:10,845 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-27 06:38:10,846 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting thread2Err1ASSERT_VIOLATIONDATA_RACE === [thread2Err0ASSERT_VIOLATIONDATA_RACE, thread2Err1ASSERT_VIOLATIONDATA_RACE, thread2Err2ASSERT_VIOLATIONDATA_RACE, thread2Err3ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2024-11-27 06:38:10,847 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 06:38:10,847 INFO L85 PathProgramCache]: Analyzing trace with hash -452872128, now seen corresponding path program 1 times [2024-11-27 06:38:10,848 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 06:38:10,848 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1072589625] [2024-11-27 06:38:10,848 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 06:38:10,848 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 06:38:10,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 06:38:11,121 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 06:38:11,122 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 06:38:11,122 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1072589625] [2024-11-27 06:38:11,122 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1072589625] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 06:38:11,122 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 06:38:11,122 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-27 06:38:11,123 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1172754233] [2024-11-27 06:38:11,123 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 06:38:11,123 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 06:38:11,124 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 06:38:11,127 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 06:38:11,127 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 06:38:11,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:38:11,128 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-27 06:38:11,128 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 71.5) internal successors, (143), 3 states have internal predecessors, (143), 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) [2024-11-27 06:38:11,129 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:38:11,129 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-27 06:38:11,129 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:38:11,503 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:38:11,503 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 06:38:11,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 06:38:11,505 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-27 06:38:11,506 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting thread2Err2ASSERT_VIOLATIONDATA_RACE === [thread2Err0ASSERT_VIOLATIONDATA_RACE, thread2Err1ASSERT_VIOLATIONDATA_RACE, thread2Err2ASSERT_VIOLATIONDATA_RACE, thread2Err3ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2024-11-27 06:38:11,506 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 06:38:11,507 INFO L85 PathProgramCache]: Analyzing trace with hash 1655793380, now seen corresponding path program 1 times [2024-11-27 06:38:11,507 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 06:38:11,507 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1487628674] [2024-11-27 06:38:11,508 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 06:38:11,508 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 06:38:11,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 06:38:12,890 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 06:38:12,892 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 06:38:12,892 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1487628674] [2024-11-27 06:38:12,893 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1487628674] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 06:38:12,893 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 06:38:12,894 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-27 06:38:12,895 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [57323898] [2024-11-27 06:38:12,895 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 06:38:12,895 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-27 06:38:12,896 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 06:38:12,896 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-27 06:38:12,899 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-27 06:38:12,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:38:12,900 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-27 06:38:12,901 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 29.8) internal successors, (149), 6 states have internal predecessors, (149), 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) [2024-11-27 06:38:12,901 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:38:12,901 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-27 06:38:12,901 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-27 06:38:12,901 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:38:13,644 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:38:13,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 06:38:13,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 06:38:13,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-27 06:38:13,647 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-27 06:38:13,648 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting thread2Err3ASSERT_VIOLATIONDATA_RACE === [thread2Err0ASSERT_VIOLATIONDATA_RACE, thread2Err1ASSERT_VIOLATIONDATA_RACE, thread2Err2ASSERT_VIOLATIONDATA_RACE, thread2Err3ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2024-11-27 06:38:13,648 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 06:38:13,648 INFO L85 PathProgramCache]: Analyzing trace with hash 2079582118, now seen corresponding path program 1 times [2024-11-27 06:38:13,648 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 06:38:13,648 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [909560813] [2024-11-27 06:38:13,649 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 06:38:13,649 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 06:38:13,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 06:38:13,777 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 06:38:13,778 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 06:38:13,778 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [909560813] [2024-11-27 06:38:13,778 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [909560813] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 06:38:13,778 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 06:38:13,778 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-27 06:38:13,778 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [562354930] [2024-11-27 06:38:13,779 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 06:38:13,779 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 06:38:13,780 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 06:38:13,781 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 06:38:13,784 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 06:38:13,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:38:13,785 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-27 06:38:13,785 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 75.5) internal successors, (151), 3 states have internal predecessors, (151), 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) [2024-11-27 06:38:13,785 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:38:13,786 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-27 06:38:13,786 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-27 06:38:13,786 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-27 06:38:13,786 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.