./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/pthread-wmm/mix007.oepc.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version e7bb482b Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8470dee-0627-4f02-aadc-110bb24183c7/bin/uautomizer-verify-WvqO1wxjHP/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8470dee-0627-4f02-aadc-110bb24183c7/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_f8470dee-0627-4f02-aadc-110bb24183c7/bin/uautomizer-verify-WvqO1wxjHP/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8470dee-0627-4f02-aadc-110bb24183c7/bin/uautomizer-verify-WvqO1wxjHP/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread-wmm/mix007.oepc.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8470dee-0627-4f02-aadc-110bb24183c7/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_f8470dee-0627-4f02-aadc-110bb24183c7/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 87b62b2cd45c104fec3a3f6f97bb4a2e98408c552f26c7f9920866b9b8c9b373 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-e7bb482 [2023-11-06 22:06:48,706 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-06 22:06:48,804 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8470dee-0627-4f02-aadc-110bb24183c7/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-DataRace-32bit-Automizer_Default.epf [2023-11-06 22:06:48,809 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-06 22:06:48,810 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-06 22:06:48,836 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-06 22:06:48,837 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-06 22:06:48,838 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-06 22:06:48,839 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-06 22:06:48,840 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-06 22:06:48,841 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-06 22:06:48,841 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-06 22:06:48,842 INFO L153 SettingsManager]: * Use SBE=true [2023-11-06 22:06:48,843 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-06 22:06:48,843 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-06 22:06:48,844 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-06 22:06:48,845 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-06 22:06:48,846 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-06 22:06:48,846 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-06 22:06:48,847 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-06 22:06:48,847 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-06 22:06:48,848 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-06 22:06:48,849 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2023-11-06 22:06:48,850 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-06 22:06:48,850 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-06 22:06:48,851 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-06 22:06:48,852 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-06 22:06:48,852 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-06 22:06:48,853 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-06 22:06:48,853 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-06 22:06:48,854 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 22:06:48,855 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-06 22:06:48,855 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-06 22:06:48,856 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-11-06 22:06:48,856 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-06 22:06:48,857 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-06 22:06:48,857 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-06 22:06:48,858 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-06 22:06:48,858 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-06 22:06:48,858 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-06 22:06:48,858 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-06 22:06:48,859 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_f8470dee-0627-4f02-aadc-110bb24183c7/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8470dee-0627-4f02-aadc-110bb24183c7/bin/uautomizer-verify-WvqO1wxjHP Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 87b62b2cd45c104fec3a3f6f97bb4a2e98408c552f26c7f9920866b9b8c9b373 [2023-11-06 22:06:49,212 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-06 22:06:49,255 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-06 22:06:49,259 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-06 22:06:49,260 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-06 22:06:49,261 INFO L274 PluginConnector]: CDTParser initialized [2023-11-06 22:06:49,262 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8470dee-0627-4f02-aadc-110bb24183c7/bin/uautomizer-verify-WvqO1wxjHP/../../sv-benchmarks/c/pthread-wmm/mix007.oepc.i [2023-11-06 22:06:52,452 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-06 22:06:52,842 INFO L384 CDTParser]: Found 1 translation units. [2023-11-06 22:06:52,842 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8470dee-0627-4f02-aadc-110bb24183c7/sv-benchmarks/c/pthread-wmm/mix007.oepc.i [2023-11-06 22:06:52,866 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8470dee-0627-4f02-aadc-110bb24183c7/bin/uautomizer-verify-WvqO1wxjHP/data/00089bde6/b6595b88376c4998be4a021489a86067/FLAG540626327 [2023-11-06 22:06:52,886 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8470dee-0627-4f02-aadc-110bb24183c7/bin/uautomizer-verify-WvqO1wxjHP/data/00089bde6/b6595b88376c4998be4a021489a86067 [2023-11-06 22:06:52,894 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-06 22:06:52,896 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-06 22:06:52,899 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-06 22:06:52,900 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-06 22:06:52,923 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-06 22:06:52,927 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:06:52" (1/1) ... [2023-11-06 22:06:52,928 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7aa327ed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:06:52, skipping insertion in model container [2023-11-06 22:06:52,928 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:06:52" (1/1) ... [2023-11-06 22:06:53,024 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-06 22:06:53,563 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:06:53,585 INFO L202 MainTranslator]: Completed pre-run [2023-11-06 22:06:53,734 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:06:53,790 WARN L672 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-06 22:06:53,790 WARN L672 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-06 22:06:53,798 INFO L206 MainTranslator]: Completed translation [2023-11-06 22:06:53,799 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:06:53 WrapperNode [2023-11-06 22:06:53,799 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-06 22:06:53,803 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-06 22:06:53,803 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-06 22:06:53,804 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-06 22:06:53,813 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:06:53" (1/1) ... [2023-11-06 22:06:53,877 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:06:53" (1/1) ... [2023-11-06 22:06:53,921 INFO L138 Inliner]: procedures = 177, calls = 72, calls flagged for inlining = 6, calls inlined = 7, statements flattened = 531 [2023-11-06 22:06:53,921 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-06 22:06:53,922 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-06 22:06:53,922 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-06 22:06:53,922 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-06 22:06:53,933 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:06:53" (1/1) ... [2023-11-06 22:06:53,933 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:06:53" (1/1) ... [2023-11-06 22:06:53,946 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:06:53" (1/1) ... [2023-11-06 22:06:53,946 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:06:53" (1/1) ... [2023-11-06 22:06:53,979 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:06:53" (1/1) ... [2023-11-06 22:06:53,989 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:06:53" (1/1) ... [2023-11-06 22:06:53,994 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:06:53" (1/1) ... [2023-11-06 22:06:54,000 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:06:53" (1/1) ... [2023-11-06 22:06:54,010 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-06 22:06:54,011 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-06 22:06:54,012 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-06 22:06:54,012 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-06 22:06:54,013 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:06:53" (1/1) ... [2023-11-06 22:06:54,020 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 22:06:54,044 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8470dee-0627-4f02-aadc-110bb24183c7/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:06:54,070 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8470dee-0627-4f02-aadc-110bb24183c7/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-06 22:06:54,129 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8470dee-0627-4f02-aadc-110bb24183c7/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-06 22:06:54,145 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-06 22:06:54,146 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-06 22:06:54,146 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-06 22:06:54,146 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-06 22:06:54,146 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-06 22:06:54,148 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2023-11-06 22:06:54,148 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2023-11-06 22:06:54,148 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2023-11-06 22:06:54,148 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2023-11-06 22:06:54,148 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2023-11-06 22:06:54,149 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2023-11-06 22:06:54,149 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2023-11-06 22:06:54,151 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2023-11-06 22:06:54,152 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-06 22:06:54,152 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-06 22:06:54,152 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-06 22:06:54,152 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-06 22:06:54,155 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 22:06:54,397 INFO L236 CfgBuilder]: Building ICFG [2023-11-06 22:06:54,399 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-06 22:06:56,163 INFO L277 CfgBuilder]: Performing block encoding [2023-11-06 22:07:38,460 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-06 22:07:38,460 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-06 22:07:38,464 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:07:38 BoogieIcfgContainer [2023-11-06 22:07:38,464 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-06 22:07:38,466 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-06 22:07:38,466 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-06 22:07:38,470 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-06 22:07:38,470 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 10:06:52" (1/3) ... [2023-11-06 22:07:38,471 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6cf6b881 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:07:38, skipping insertion in model container [2023-11-06 22:07:38,471 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:06:53" (2/3) ... [2023-11-06 22:07:38,472 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6cf6b881 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:07:38, skipping insertion in model container [2023-11-06 22:07:38,472 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:07:38" (3/3) ... [2023-11-06 22:07:38,473 INFO L112 eAbstractionObserver]: Analyzing ICFG mix007.oepc.i [2023-11-06 22:07:38,484 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-11-06 22:07:38,497 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-06 22:07:38,497 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 286 error locations. [2023-11-06 22:07:38,497 INFO L519 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-06 22:07:47,007 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-11-06 22:07:47,054 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 439 places, 429 transitions, 874 flow [2023-11-06 22:07:51,413 INFO L124 PetriNetUnfolderBase]: 3/425 cut-off events. [2023-11-06 22:07:51,413 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-06 22:07:51,439 INFO L83 FinitePrefix]: Finished finitePrefix Result has 438 conditions, 425 events. 3/425 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 99. Compared 2230 event pairs, 0 based on Foata normal form. 0/136 useless extension candidates. Maximal degree in co-relation 386. Up to 2 conditions per place. [2023-11-06 22:07:51,440 INFO L82 GeneralOperation]: Start removeDead. Operand has 439 places, 429 transitions, 874 flow [2023-11-06 22:07:51,486 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 435 places, 425 transitions, 862 flow [2023-11-06 22:07:51,491 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-11-06 22:07:51,512 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 435 places, 425 transitions, 862 flow [2023-11-06 22:07:51,521 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 435 places, 425 transitions, 862 flow [2023-11-06 22:07:51,522 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 435 places, 425 transitions, 862 flow [2023-11-06 22:07:55,432 INFO L124 PetriNetUnfolderBase]: 3/425 cut-off events. [2023-11-06 22:07:55,437 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-06 22:07:55,442 INFO L83 FinitePrefix]: Finished finitePrefix Result has 438 conditions, 425 events. 3/425 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 99. Compared 2237 event pairs, 0 based on Foata normal form. 0/136 useless extension candidates. Maximal degree in co-relation 386. Up to 2 conditions per place. [2023-11-06 22:07:55,492 INFO L119 LiptonReduction]: Number of co-enabled transitions 100784 [2023-11-06 22:08:18,807 INFO L134 LiptonReduction]: Checked pairs total: 1001355 [2023-11-06 22:08:18,808 INFO L136 LiptonReduction]: Total number of compositions: 188 [2023-11-06 22:08:18,834 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-06 22:08:18,844 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;@44d6af3b, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-06 22:08:18,844 INFO L358 AbstractCegarLoop]: Starting to check reachability of 537 error locations. [2023-11-06 22:08:18,849 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-11-06 22:08:18,849 INFO L124 PetriNetUnfolderBase]: 0/2 cut-off events. [2023-11-06 22:08:18,849 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-06 22:08:18,850 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-06 22:08:18,850 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1] [2023-11-06 22:08:18,851 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting P0Err5ASSERT_VIOLATIONDATA_RACE === [P0Err0ASSERT_VIOLATIONDATA_RACE, P0Err1ASSERT_VIOLATIONDATA_RACE, P0Err2ASSERT_VIOLATIONDATA_RACE, P0Err3ASSERT_VIOLATIONDATA_RACE (and 533 more)] === [2023-11-06 22:08:18,857 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:08:18,857 INFO L85 PathProgramCache]: Analyzing trace with hash 7308281, now seen corresponding path program 1 times [2023-11-06 22:08:18,874 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:08:18,875 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [698867533] [2023-11-06 22:08:18,875 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:08:18,876 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:08:19,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:08:19,351 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 22:08:19,351 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:08:19,352 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [698867533] [2023-11-06 22:08:19,353 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [698867533] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:08:19,353 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:08:19,354 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2023-11-06 22:08:19,355 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [901290741] [2023-11-06 22:08:19,356 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:08:19,366 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-06 22:08:19,375 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:08:19,407 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-06 22:08:19,408 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-06 22:08:19,411 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 116 out of 617 [2023-11-06 22:08:19,413 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 328 places, 315 transitions, 642 flow. Second operand has 2 states, 2 states have (on average 117.5) internal successors, (235), 2 states have internal predecessors, (235), 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 22:08:19,414 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-06 22:08:19,414 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 116 of 617 [2023-11-06 22:08:19,415 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand