./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/pthread-wmm/safe000_power.oepc.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 527bcce2 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_1744e7d4-73e3-4284-a3da-c4ae75f6db59/bin/uautomizer-verify-bycVGegfSx/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1744e7d4-73e3-4284-a3da-c4ae75f6db59/bin/uautomizer-verify-bycVGegfSx/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1744e7d4-73e3-4284-a3da-c4ae75f6db59/bin/uautomizer-verify-bycVGegfSx/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1744e7d4-73e3-4284-a3da-c4ae75f6db59/bin/uautomizer-verify-bycVGegfSx/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread-wmm/safe000_power.oepc.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1744e7d4-73e3-4284-a3da-c4ae75f6db59/bin/uautomizer-verify-bycVGegfSx/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1744e7d4-73e3-4284-a3da-c4ae75f6db59/bin/uautomizer-verify-bycVGegfSx --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 Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash e872da92455c9ab0fe125378ae9802f1d4dfc806cea229583fb74f8b758e929f --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 20:57:54,901 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 20:57:55,012 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1744e7d4-73e3-4284-a3da-c4ae75f6db59/bin/uautomizer-verify-bycVGegfSx/config/svcomp-DataRace-32bit-Automizer_Default.epf [2023-11-21 20:57:55,024 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 20:57:55,025 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-21 20:57:55,080 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 20:57:55,081 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-21 20:57:55,082 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-21 20:57:55,083 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 20:57:55,083 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-21 20:57:55,084 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 20:57:55,085 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 20:57:55,085 INFO L153 SettingsManager]: * Use SBE=true [2023-11-21 20:57:55,086 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 20:57:55,087 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 20:57:55,087 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-21 20:57:55,088 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 20:57:55,088 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-21 20:57:55,089 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 20:57:55,089 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 20:57:55,090 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 20:57:55,096 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 20:57:55,096 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2023-11-21 20:57:55,097 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-21 20:57:55,097 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-21 20:57:55,098 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 20:57:55,098 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 20:57:55,099 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 20:57:55,100 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-21 20:57:55,100 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-21 20:57:55,101 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-21 20:57:55,102 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 20:57:55,102 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 20:57:55,103 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 20:57:55,103 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-21 20:57:55,103 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-21 20:57:55,104 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-21 20:57:55,104 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-21 20:57:55,104 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 20:57:55,115 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-21 20:57:55,116 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-21 20:57:55,116 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_1744e7d4-73e3-4284-a3da-c4ae75f6db59/bin/uautomizer-verify-bycVGegfSx/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1744e7d4-73e3-4284-a3da-c4ae75f6db59/bin/uautomizer-verify-bycVGegfSx Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e872da92455c9ab0fe125378ae9802f1d4dfc806cea229583fb74f8b758e929f [2023-11-21 20:57:55,454 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 20:57:55,481 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 20:57:55,483 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 20:57:55,484 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 20:57:55,485 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 20:57:55,486 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1744e7d4-73e3-4284-a3da-c4ae75f6db59/bin/uautomizer-verify-bycVGegfSx/../../sv-benchmarks/c/pthread-wmm/safe000_power.oepc.i [2023-11-21 20:57:58,474 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 20:57:58,807 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 20:57:58,808 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1744e7d4-73e3-4284-a3da-c4ae75f6db59/sv-benchmarks/c/pthread-wmm/safe000_power.oepc.i [2023-11-21 20:57:58,829 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1744e7d4-73e3-4284-a3da-c4ae75f6db59/bin/uautomizer-verify-bycVGegfSx/data/3c18b3ccf/e0240d7f0d1b460caa8503f0b1725ad4/FLAG4f2327c48 [2023-11-21 20:57:58,849 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1744e7d4-73e3-4284-a3da-c4ae75f6db59/bin/uautomizer-verify-bycVGegfSx/data/3c18b3ccf/e0240d7f0d1b460caa8503f0b1725ad4 [2023-11-21 20:57:58,851 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 20:57:58,853 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 20:57:58,854 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 20:57:58,854 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 20:57:58,864 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 20:57:58,865 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 08:57:58" (1/1) ... [2023-11-21 20:57:58,866 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2ac04b72 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 08:57:58, skipping insertion in model container [2023-11-21 20:57:58,866 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 08:57:58" (1/1) ... [2023-11-21 20:57:58,948 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 20:57:59,555 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 20:57:59,569 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 20:57:59,717 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 20:57:59,759 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 20:57:59,759 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 20:57:59,767 INFO L206 MainTranslator]: Completed translation [2023-11-21 20:57:59,768 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 08:57:59 WrapperNode [2023-11-21 20:57:59,768 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 20:57:59,769 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 20:57:59,769 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 20:57:59,770 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 20:57:59,777 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 08:57:59" (1/1) ... [2023-11-21 20:57:59,834 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 08:57:59" (1/1) ... [2023-11-21 20:57:59,914 INFO L138 Inliner]: procedures = 176, calls = 85, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 797 [2023-11-21 20:57:59,914 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 20:57:59,915 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 20:57:59,915 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 20:57:59,915 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 20:57:59,943 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 08:57:59" (1/1) ... [2023-11-21 20:57:59,944 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 08:57:59" (1/1) ... [2023-11-21 20:57:59,960 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 08:57:59" (1/1) ... [2023-11-21 20:57:59,960 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 08:57:59" (1/1) ... [2023-11-21 20:58:00,034 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 08:57:59" (1/1) ... [2023-11-21 20:58:00,049 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 08:57:59" (1/1) ... [2023-11-21 20:58:00,071 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 08:57:59" (1/1) ... [2023-11-21 20:58:00,091 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 08:57:59" (1/1) ... [2023-11-21 20:58:00,108 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 20:58:00,110 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 20:58:00,110 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 20:58:00,110 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 20:58:00,111 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 08:57:59" (1/1) ... [2023-11-21 20:58:00,117 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-21 20:58:00,129 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1744e7d4-73e3-4284-a3da-c4ae75f6db59/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 20:58:00,217 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1744e7d4-73e3-4284-a3da-c4ae75f6db59/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-21 20:58:00,277 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1744e7d4-73e3-4284-a3da-c4ae75f6db59/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-21 20:58:00,309 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-21 20:58:00,309 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-21 20:58:00,309 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-21 20:58:00,309 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 20:58:00,310 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-21 20:58:00,310 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-21 20:58:00,310 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2023-11-21 20:58:00,310 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2023-11-21 20:58:00,310 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2023-11-21 20:58:00,310 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2023-11-21 20:58:00,310 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2023-11-21 20:58:00,311 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2023-11-21 20:58:00,311 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-21 20:58:00,311 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-21 20:58:00,311 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 20:58:00,311 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 20:58:00,314 WARN L212 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-21 20:58:00,588 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 20:58:00,590 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 20:58:03,352 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 20:58:47,289 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 20:58:47,289 INFO L308 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-21 20:58:47,291 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 08:58:47 BoogieIcfgContainer [2023-11-21 20:58:47,291 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 20:58:47,294 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-21 20:58:47,294 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-21 20:58:47,297 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-21 20:58:47,297 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 08:57:58" (1/3) ... [2023-11-21 20:58:47,298 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4a4124af and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 08:58:47, skipping insertion in model container [2023-11-21 20:58:47,298 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 08:57:59" (2/3) ... [2023-11-21 20:58:47,299 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4a4124af and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 08:58:47, skipping insertion in model container [2023-11-21 20:58:47,299 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 08:58:47" (3/3) ... [2023-11-21 20:58:47,300 INFO L112 eAbstractionObserver]: Analyzing ICFG safe000_power.oepc.i [2023-11-21 20:58:47,310 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-11-21 20:58:47,320 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-21 20:58:47,320 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 449 error locations. [2023-11-21 20:58:47,320 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-21 20:58:48,627 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-11-21 20:58:48,677 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 593 places, 586 transitions, 1184 flow [2023-11-21 20:58:49,302 INFO L124 PetriNetUnfolderBase]: 3/583 cut-off events. [2023-11-21 20:58:49,303 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-21 20:58:49,326 INFO L83 FinitePrefix]: Finished finitePrefix Result has 593 conditions, 583 events. 3/583 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 149. Compared 4371 event pairs, 0 based on Foata normal form. 0/131 useless extension candidates. Maximal degree in co-relation 529. Up to 2 conditions per place. [2023-11-21 20:58:49,326 INFO L82 GeneralOperation]: Start removeDead. Operand has 593 places, 586 transitions, 1184 flow [2023-11-21 20:58:49,388 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 590 places, 583 transitions, 1175 flow [2023-11-21 20:58:49,405 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-21 20:58:49,413 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=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;@7ba8ff9, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-21 20:58:49,414 INFO L358 AbstractCegarLoop]: Starting to check reachability of 762 error locations. [2023-11-21 20:58:49,431 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-11-21 20:58:49,432 INFO L124 PetriNetUnfolderBase]: 0/60 cut-off events. [2023-11-21 20:58:49,432 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-21 20:58:49,432 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-21 20:58:49,433 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 20:58:49,433 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting P0Err0ASSERT_VIOLATIONDATA_RACE === [P0Err0ASSERT_VIOLATIONDATA_RACE, P0Err1ASSERT_VIOLATIONDATA_RACE, P0Err2ASSERT_VIOLATIONDATA_RACE, P0Err3ASSERT_VIOLATIONDATA_RACE (and 758 more)] === [2023-11-21 20:58:49,445 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 20:58:49,446 INFO L85 PathProgramCache]: Analyzing trace with hash 161349713, now seen corresponding path program 1 times [2023-11-21 20:58:49,456 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 20:58:49,457 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1314730036] [2023-11-21 20:58:49,457 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 20:58:49,458 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 20:58:49,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat