./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/pthread-wmm/mix004.oepc.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version e7bb482b 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_4b57c249-64f7-4082-bc95-1ae34873730d/bin/uautomizer-verify-WvqO1wxjHP/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b57c249-64f7-4082-bc95-1ae34873730d/bin/uautomizer-verify-WvqO1wxjHP/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b57c249-64f7-4082-bc95-1ae34873730d/bin/uautomizer-verify-WvqO1wxjHP/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b57c249-64f7-4082-bc95-1ae34873730d/bin/uautomizer-verify-WvqO1wxjHP/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread-wmm/mix004.oepc.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b57c249-64f7-4082-bc95-1ae34873730d/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b57c249-64f7-4082-bc95-1ae34873730d/bin/uautomizer-verify-WvqO1wxjHP --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! data-race) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 81dfcecae183e47a2274a923e55daf761c46d6146ab2c58970ae115599afe231 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-e7bb482 [2023-11-06 22:04:57,570 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-06 22:04:57,644 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b57c249-64f7-4082-bc95-1ae34873730d/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-DataRace-32bit-Automizer_Default.epf [2023-11-06 22:04:57,649 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-06 22:04:57,650 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-06 22:04:57,676 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-06 22:04:57,677 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-06 22:04:57,677 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-06 22:04:57,678 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-06 22:04:57,679 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-06 22:04:57,679 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-06 22:04:57,680 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-06 22:04:57,681 INFO L153 SettingsManager]: * Use SBE=true [2023-11-06 22:04:57,681 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-06 22:04:57,682 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-06 22:04:57,682 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-06 22:04:57,683 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-06 22:04:57,683 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-06 22:04:57,684 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-06 22:04:57,684 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-06 22:04:57,685 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-06 22:04:57,686 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-06 22:04:57,686 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2023-11-06 22:04:57,687 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-06 22:04:57,687 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-06 22:04:57,688 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-06 22:04:57,688 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-06 22:04:57,689 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-06 22:04:57,689 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-06 22:04:57,690 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-06 22:04:57,690 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 22:04:57,691 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-06 22:04:57,692 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-06 22:04:57,692 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-11-06 22:04:57,693 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-06 22:04:57,693 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-06 22:04:57,694 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-06 22:04:57,694 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-06 22:04:57,695 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-06 22:04:57,695 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-06 22:04:57,696 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-06 22:04:57,696 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_4b57c249-64f7-4082-bc95-1ae34873730d/bin/uautomizer-verify-WvqO1wxjHP/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b57c249-64f7-4082-bc95-1ae34873730d/bin/uautomizer-verify-WvqO1wxjHP Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 81dfcecae183e47a2274a923e55daf761c46d6146ab2c58970ae115599afe231 [2023-11-06 22:04:57,987 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-06 22:04:58,011 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-06 22:04:58,013 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-06 22:04:58,015 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-06 22:04:58,015 INFO L274 PluginConnector]: CDTParser initialized [2023-11-06 22:04:58,017 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b57c249-64f7-4082-bc95-1ae34873730d/bin/uautomizer-verify-WvqO1wxjHP/../../sv-benchmarks/c/pthread-wmm/mix004.oepc.i [2023-11-06 22:05:01,131 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-06 22:05:01,423 INFO L384 CDTParser]: Found 1 translation units. [2023-11-06 22:05:01,434 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b57c249-64f7-4082-bc95-1ae34873730d/sv-benchmarks/c/pthread-wmm/mix004.oepc.i [2023-11-06 22:05:01,453 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b57c249-64f7-4082-bc95-1ae34873730d/bin/uautomizer-verify-WvqO1wxjHP/data/801f6f8e2/bdf93baa21624d149dc65af604630957/FLAGf57a39aad [2023-11-06 22:05:01,468 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b57c249-64f7-4082-bc95-1ae34873730d/bin/uautomizer-verify-WvqO1wxjHP/data/801f6f8e2/bdf93baa21624d149dc65af604630957 [2023-11-06 22:05:01,470 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-06 22:05:01,472 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-06 22:05:01,474 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-06 22:05:01,474 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-06 22:05:01,479 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-06 22:05:01,480 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:05:01" (1/1) ... [2023-11-06 22:05:01,482 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@50107f3e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:05:01, skipping insertion in model container [2023-11-06 22:05:01,482 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:05:01" (1/1) ... [2023-11-06 22:05:01,627 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-06 22:05:02,087 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:05:02,111 INFO L202 MainTranslator]: Completed pre-run [2023-11-06 22:05:02,192 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:05:02,233 WARN L672 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-06 22:05:02,233 WARN L672 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-06 22:05:02,240 INFO L206 MainTranslator]: Completed translation [2023-11-06 22:05:02,240 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:05:02 WrapperNode [2023-11-06 22:05:02,241 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-06 22:05:02,242 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-06 22:05:02,242 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-06 22:05:02,242 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-06 22:05:02,251 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:05:02" (1/1) ... [2023-11-06 22:05:02,294 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:05:02" (1/1) ... [2023-11-06 22:05:02,339 INFO L138 Inliner]: procedures = 177, calls = 72, calls flagged for inlining = 6, calls inlined = 7, statements flattened = 532 [2023-11-06 22:05:02,340 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-06 22:05:02,341 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-06 22:05:02,341 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-06 22:05:02,341 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-06 22:05:02,351 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:05:02" (1/1) ... [2023-11-06 22:05:02,351 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:05:02" (1/1) ... [2023-11-06 22:05:02,358 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:05:02" (1/1) ... [2023-11-06 22:05:02,359 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:05:02" (1/1) ... [2023-11-06 22:05:02,386 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:05:02" (1/1) ... [2023-11-06 22:05:02,396 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:05:02" (1/1) ... [2023-11-06 22:05:02,401 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:05:02" (1/1) ... [2023-11-06 22:05:02,424 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:05:02" (1/1) ... [2023-11-06 22:05:02,434 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-06 22:05:02,435 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-06 22:05:02,438 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-06 22:05:02,438 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-06 22:05:02,439 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:05:02" (1/1) ... [2023-11-06 22:05:02,448 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 22:05:02,475 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b57c249-64f7-4082-bc95-1ae34873730d/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:05:02,493 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b57c249-64f7-4082-bc95-1ae34873730d/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-06 22:05:02,514 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b57c249-64f7-4082-bc95-1ae34873730d/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-06 22:05:02,555 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-06 22:05:02,555 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-06 22:05:02,555 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-06 22:05:02,555 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-06 22:05:02,555 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-06 22:05:02,555 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2023-11-06 22:05:02,556 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2023-11-06 22:05:02,556 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2023-11-06 22:05:02,556 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2023-11-06 22:05:02,556 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2023-11-06 22:05:02,556 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2023-11-06 22:05:02,557 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2023-11-06 22:05:02,559 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2023-11-06 22:05:02,559 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-06 22:05:02,560 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-06 22:05:02,560 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-06 22:05:02,560 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-06 22:05:02,562 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-06 22:05:02,843 INFO L236 CfgBuilder]: Building ICFG [2023-11-06 22:05:02,845 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-06 22:05:04,517 INFO L277 CfgBuilder]: Performing block encoding [2023-11-06 22:05:26,412 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-06 22:05:26,412 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-06 22:05:26,416 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:05:26 BoogieIcfgContainer [2023-11-06 22:05:26,416 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-06 22:05:26,418 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-06 22:05:26,418 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-06 22:05:26,421 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-06 22:05:26,421 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 10:05:01" (1/3) ... [2023-11-06 22:05:26,422 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7948ea00 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:05:26, skipping insertion in model container [2023-11-06 22:05:26,422 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:05:02" (2/3) ... [2023-11-06 22:05:26,423 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7948ea00 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:05:26, skipping insertion in model container [2023-11-06 22:05:26,423 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:05:26" (3/3) ... [2023-11-06 22:05:26,424 INFO L112 eAbstractionObserver]: Analyzing ICFG mix004.oepc.i [2023-11-06 22:05:26,432 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-11-06 22:05:26,440 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-06 22:05:26,440 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 287 error locations. [2023-11-06 22:05:26,440 INFO L519 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-06 22:05:32,396 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-11-06 22:05:32,444 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 441 places, 431 transitions, 878 flow [2023-11-06 22:05:34,545 INFO L124 PetriNetUnfolderBase]: 3/427 cut-off events. [2023-11-06 22:05:34,545 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-06 22:05:34,559 INFO L83 FinitePrefix]: Finished finitePrefix Result has 440 conditions, 427 events. 3/427 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 99. Compared 2219 event pairs, 0 based on Foata normal form. 0/137 useless extension candidates. Maximal degree in co-relation 387. Up to 2 conditions per place. [2023-11-06 22:05:34,559 INFO L82 GeneralOperation]: Start removeDead. Operand has 441 places, 431 transitions, 878 flow [2023-11-06 22:05:34,590 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 437 places, 427 transitions, 866 flow [2023-11-06 22:05:34,594 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-11-06 22:05:34,604 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 437 places, 427 transitions, 866 flow [2023-11-06 22:05:34,607 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 437 places, 427 transitions, 866 flow [2023-11-06 22:05:34,608 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 437 places, 427 transitions, 866 flow [2023-11-06 22:05:36,217 INFO L124 PetriNetUnfolderBase]: 3/427 cut-off events. [2023-11-06 22:05:36,217 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-06 22:05:36,223 INFO L83 FinitePrefix]: Finished finitePrefix Result has 440 conditions, 427 events. 3/427 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 99. Compared 2216 event pairs, 0 based on Foata normal form. 0/137 useless extension candidates. Maximal degree in co-relation 387. Up to 2 conditions per place. [2023-11-06 22:05:36,269 INFO L119 LiptonReduction]: Number of co-enabled transitions 101452 [2023-11-06 22:06:09,001 INFO L134 LiptonReduction]: Checked pairs total: 1024211 [2023-11-06 22:06:09,001 INFO L136 LiptonReduction]: Total number of compositions: 236 [2023-11-06 22:06:09,032 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-06 22:06:09,042 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=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, 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;@30576066, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-06 22:06:09,042 INFO L358 AbstractCegarLoop]: Starting to check reachability of 539 error locations. [2023-11-06 22:06:09,047 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-11-06 22:06:09,048 INFO L124 PetriNetUnfolderBase]: 0/2 cut-off events. [2023-11-06 22:06:09,048 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-06 22:06:09,048 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-06 22:06:09,049 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1] [2023-11-06 22:06:09,049 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting P0Err11ASSERT_VIOLATIONDATA_RACE === [P0Err0ASSERT_VIOLATIONDATA_RACE, P0Err1ASSERT_VIOLATIONDATA_RACE, P0Err2ASSERT_VIOLATIONDATA_RACE, P0Err3ASSERT_VIOLATIONDATA_RACE (and 535 more)] === [2023-11-06 22:06:09,055 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:06:09,055 INFO L85 PathProgramCache]: Analyzing trace with hash 7246359, now seen corresponding path program 1 times [2023-11-06 22:06:09,065 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:06:09,066 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1681723971] [2023-11-06 22:06:09,066 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:06:09,067 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:06:09,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:06:09,492 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:06:09,493 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:06:09,493 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1681723971] [2023-11-06 22:06:09,494 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1681723971] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:06:09,494 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:06:09,494 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2023-11-06 22:06:09,496 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [190875109] [2023-11-06 22:06:09,497 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:06:09,506 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-06 22:06:09,512 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:06:09,537 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-06 22:06:09,538 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-06 22:06:09,543 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 117 out of 667 [2023-11-06 22:06:09,547 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 329 places, 317 transitions, 646 flow. Second operand has 2 states, 2 states have (on average 118.5) internal successors, (237), 2 states have internal predecessors, (237), 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) [2023-11-06 22:06:09,547 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-06 22:06:09,547 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 117 of 667 [2023-11-06 22:06:09,548 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand