./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/pthread-wmm/mix040_power.oepc_pso.oepc_rmo.oepc.i --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_a8c87eac-4136-4674-bd67-ff614a69d247/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8c87eac-4136-4674-bd67-ff614a69d247/bin/uautomizer-verify-aQ6SnzHsRB/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8c87eac-4136-4674-bd67-ff614a69d247/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8c87eac-4136-4674-bd67-ff614a69d247/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread-wmm/mix040_power.oepc_pso.oepc_rmo.oepc.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8c87eac-4136-4674-bd67-ff614a69d247/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8c87eac-4136-4674-bd67-ff614a69d247/bin/uautomizer-verify-aQ6SnzHsRB --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 a72b3b3683b5d2b2d35965fc1a3189152678e29fe154c9fbeb2d06d1447980e3 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-27 19:53:44,040 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-27 19:53:44,153 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8c87eac-4136-4674-bd67-ff614a69d247/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-11-27 19:53:44,164 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-27 19:53:44,164 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-27 19:53:44,186 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-27 19:53:44,187 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-27 19:53:44,187 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-27 19:53:44,187 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-27 19:53:44,187 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-27 19:53:44,188 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-27 19:53:44,188 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-27 19:53:44,188 INFO L153 SettingsManager]: * Use SBE=true [2024-11-27 19:53:44,188 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-27 19:53:44,188 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-27 19:53:44,188 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-27 19:53:44,189 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-27 19:53:44,189 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-27 19:53:44,189 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-27 19:53:44,189 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-27 19:53:44,189 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-27 19:53:44,189 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-27 19:53:44,189 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-11-27 19:53:44,190 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-27 19:53:44,190 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-27 19:53:44,190 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-27 19:53:44,190 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-27 19:53:44,190 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-27 19:53:44,190 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-27 19:53:44,190 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-27 19:53:44,191 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-27 19:53:44,191 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-27 19:53:44,191 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-27 19:53:44,191 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-27 19:53:44,191 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-27 19:53:44,191 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-27 19:53:44,192 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-27 19:53:44,192 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-27 19:53:44,192 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-27 19:53:44,192 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-27 19:53:44,192 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-27 19:53:44,192 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-27 19:53:44,192 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-27 19:53:44,192 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-27 19:53:44,193 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-27 19:53:44,193 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-27 19:53:44,193 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_a8c87eac-4136-4674-bd67-ff614a69d247/bin/uautomizer-verify-aQ6SnzHsRB 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 -> a72b3b3683b5d2b2d35965fc1a3189152678e29fe154c9fbeb2d06d1447980e3 [2024-11-27 19:53:44,490 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-27 19:53:44,505 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-27 19:53:44,509 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-27 19:53:44,511 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-27 19:53:44,511 INFO L274 PluginConnector]: CDTParser initialized [2024-11-27 19:53:44,514 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8c87eac-4136-4674-bd67-ff614a69d247/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/pthread-wmm/mix040_power.oepc_pso.oepc_rmo.oepc.i [2024-11-27 19:53:47,985 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8c87eac-4136-4674-bd67-ff614a69d247/bin/uautomizer-verify-aQ6SnzHsRB/data/876fcfe03/5f90a76da35d48308b3f8df68f31a539/FLAG6dae69f12 [2024-11-27 19:53:48,552 INFO L384 CDTParser]: Found 1 translation units. [2024-11-27 19:53:48,553 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8c87eac-4136-4674-bd67-ff614a69d247/sv-benchmarks/c/pthread-wmm/mix040_power.oepc_pso.oepc_rmo.oepc.i [2024-11-27 19:53:48,571 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8c87eac-4136-4674-bd67-ff614a69d247/bin/uautomizer-verify-aQ6SnzHsRB/data/876fcfe03/5f90a76da35d48308b3f8df68f31a539/FLAG6dae69f12 [2024-11-27 19:53:48,601 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8c87eac-4136-4674-bd67-ff614a69d247/bin/uautomizer-verify-aQ6SnzHsRB/data/876fcfe03/5f90a76da35d48308b3f8df68f31a539 [2024-11-27 19:53:48,603 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-27 19:53:48,605 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-27 19:53:48,607 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-27 19:53:48,607 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-27 19:53:48,614 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-27 19:53:48,615 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 07:53:48" (1/1) ... [2024-11-27 19:53:48,619 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@24520930 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 07:53:48, skipping insertion in model container [2024-11-27 19:53:48,620 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 07:53:48" (1/1) ... [2024-11-27 19:53:48,689 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-27 19:53:49,373 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-27 19:53:49,384 INFO L200 MainTranslator]: Completed pre-run [2024-11-27 19:53:49,489 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-27 19:53:49,545 INFO L204 MainTranslator]: Completed translation [2024-11-27 19:53:49,547 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 07:53:49 WrapperNode [2024-11-27 19:53:49,547 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-27 19:53:49,548 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-27 19:53:49,549 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-27 19:53:49,549 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-27 19:53:49,562 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 07:53:49" (1/1) ... [2024-11-27 19:53:49,604 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 07:53:49" (1/1) ... [2024-11-27 19:53:49,659 INFO L138 Inliner]: procedures = 176, calls = 56, calls flagged for inlining = 6, calls inlined = 7, statements flattened = 504 [2024-11-27 19:53:49,662 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-27 19:53:49,665 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-27 19:53:49,665 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-27 19:53:49,665 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-27 19:53:49,678 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 07:53:49" (1/1) ... [2024-11-27 19:53:49,679 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 07:53:49" (1/1) ... [2024-11-27 19:53:49,687 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 07:53:49" (1/1) ... [2024-11-27 19:53:49,688 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 07:53:49" (1/1) ... [2024-11-27 19:53:49,728 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 07:53:49" (1/1) ... [2024-11-27 19:53:49,731 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 07:53:49" (1/1) ... [2024-11-27 19:53:49,748 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 07:53:49" (1/1) ... [2024-11-27 19:53:49,754 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 07:53:49" (1/1) ... [2024-11-27 19:53:49,764 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 07:53:49" (1/1) ... [2024-11-27 19:53:49,778 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-27 19:53:49,783 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-27 19:53:49,784 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-27 19:53:49,784 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-27 19:53:49,785 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 07:53:49" (1/1) ... [2024-11-27 19:53:49,795 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-27 19:53:49,814 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8c87eac-4136-4674-bd67-ff614a69d247/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 19:53:49,832 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8c87eac-4136-4674-bd67-ff614a69d247/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-27 19:53:49,839 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8c87eac-4136-4674-bd67-ff614a69d247/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-27 19:53:49,873 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-11-27 19:53:49,873 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-27 19:53:49,873 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2024-11-27 19:53:49,873 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2024-11-27 19:53:49,874 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2024-11-27 19:53:49,874 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2024-11-27 19:53:49,874 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2024-11-27 19:53:49,874 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2024-11-27 19:53:49,874 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2024-11-27 19:53:49,874 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2024-11-27 19:53:49,875 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-27 19:53:49,875 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-11-27 19:53:49,875 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-27 19:53:49,875 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-27 19:53:49,878 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 19:53:50,191 INFO L234 CfgBuilder]: Building ICFG [2024-11-27 19:53:50,193 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-27 19:53:52,226 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-27 19:53:52,227 INFO L283 CfgBuilder]: Performing block encoding [2024-11-27 19:53:59,226 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-27 19:53:59,226 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-27 19:53:59,227 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 07:53:59 BoogieIcfgContainer [2024-11-27 19:53:59,227 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-27 19:53:59,229 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-27 19:53:59,230 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-27 19:53:59,236 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-27 19:53:59,236 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.11 07:53:48" (1/3) ... [2024-11-27 19:53:59,237 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@534e7af3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.11 07:53:59, skipping insertion in model container [2024-11-27 19:53:59,238 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 07:53:49" (2/3) ... [2024-11-27 19:53:59,240 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@534e7af3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.11 07:53:59, skipping insertion in model container [2024-11-27 19:53:59,240 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 07:53:59" (3/3) ... [2024-11-27 19:53:59,241 INFO L128 eAbstractionObserver]: Analyzing ICFG mix040_power.oepc_pso.oepc_rmo.oepc.i [2024-11-27 19:53:59,263 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-27 19:53:59,267 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG mix040_power.oepc_pso.oepc_rmo.oepc.i that has 5 procedures, 414 locations, 1 initial locations, 0 loop locations, and 283 error locations. [2024-11-27 19:53:59,267 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-27 19:53:59,790 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-11-27 19:53:59,863 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 426 places, 416 transitions, 848 flow [2024-11-27 19:54:00,196 INFO L124 PetriNetUnfolderBase]: 3/412 cut-off events. [2024-11-27 19:54:00,203 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-27 19:54:00,227 INFO L83 FinitePrefix]: Finished finitePrefix Result has 425 conditions, 412 events. 3/412 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 99. Compared 2275 event pairs, 0 based on Foata normal form. 0/126 useless extension candidates. Maximal degree in co-relation 374. Up to 2 conditions per place. [2024-11-27 19:54:00,227 INFO L82 GeneralOperation]: Start removeDead. Operand has 426 places, 416 transitions, 848 flow [2024-11-27 19:54:00,268 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 422 places, 412 transitions, 836 flow [2024-11-27 19:54:00,281 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-27 19:54:00,301 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=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;@78790d00, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-27 19:54:00,302 INFO L334 AbstractCegarLoop]: Starting to check reachability of 532 error locations. [2024-11-27 19:54:00,317 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-27 19:54:00,318 INFO L124 PetriNetUnfolderBase]: 0/47 cut-off events. [2024-11-27 19:54:00,318 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-27 19:54:00,319 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-27 19:54:00,319 INFO L206 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] [2024-11-27 19:54:00,320 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting P0Err0ASSERT_VIOLATIONDATA_RACE === [P0Err0ASSERT_VIOLATIONDATA_RACE, P0Err1ASSERT_VIOLATIONDATA_RACE, P0Err2ASSERT_VIOLATIONDATA_RACE, P0Err3ASSERT_VIOLATIONDATA_RACE (and 528 more)] === [2024-11-27 19:54:00,326 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 19:54:00,327 INFO L85 PathProgramCache]: Analyzing trace with hash 354015442, now seen corresponding path program 1 times [2024-11-27 19:54:00,338 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 19:54:00,338 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [285816522] [2024-11-27 19:54:00,339 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 19:54:00,339 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 19:54:00,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 19:54:00,691 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 19:54:00,693 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 19:54:00,694 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [285816522] [2024-11-27 19:54:00,695 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [285816522] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 19:54:00,695 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 19:54:00,695 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-11-27 19:54:00,700 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1727632828] [2024-11-27 19:54:00,700 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 19:54:00,709 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-27 19:54:00,716 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 19:54:00,752 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-27 19:54:00,753 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-27 19:54:00,755 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 106 out of 416 [2024-11-27 19:54:00,762 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 422 places, 412 transitions, 836 flow. Second operand has 2 states, 2 states have (on average 107.0) internal successors, (214), 2 states have internal predecessors, (214), 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 19:54:00,765 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-27 19:54:00,765 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 106 of 416 [2024-11-27 19:54:00,769 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-27 19:54:14,241 INFO L124 PetriNetUnfolderBase]: 10870/29690 cut-off events. [2024-11-27 19:54:14,241 INFO L125 PetriNetUnfolderBase]: For 156/156 co-relation queries the response was YES. [2024-11-27 19:54:14,329 INFO L83 FinitePrefix]: Finished finitePrefix Result has 44533 conditions, 29690 events. 10870/29690 cut-off events. For 156/156 co-relation queries the response was YES. Maximal size of possible extension queue 1206. Compared 369857 event pairs, 10870 based on Foata normal form. 2568/30313 useless extension candidates. Maximal degree in co-relation 44480. Up to 14526 conditions per place. [2024-11-27 19:54:14,470 INFO L140 encePairwiseOnDemand]: 132/416 looper letters, 25 selfloop transitions, 0 changer transitions 0/126 dead transitions. [2024-11-27 19:54:14,471 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 140 places, 126 transitions, 314 flow [2024-11-27 19:54:14,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-27 19:54:14,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2024-11-27 19:54:14,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 521 transitions. [2024-11-27 19:54:14,495 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.6262019230769231 [2024-11-27 19:54:14,499 INFO L175 Difference]: Start difference. First operand has 422 places, 412 transitions, 836 flow. Second operand 2 states and 521 transitions. [2024-11-27 19:54:14,500 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 140 places, 126 transitions, 314 flow [2024-11-27 19:54:14,506 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 136 places, 126 transitions, 310 flow, removed 0 selfloop flow, removed 4 redundant places. [2024-11-27 19:54:14,511 INFO L231 Difference]: Finished difference. Result has 136 places, 126 transitions, 260 flow [2024-11-27 19:54:14,514 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=416, PETRI_DIFFERENCE_MINUEND_FLOW=260, PETRI_DIFFERENCE_MINUEND_PLACES=135, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=126, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=126, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=260, PETRI_PLACES=136, PETRI_TRANSITIONS=126} [2024-11-27 19:54:14,522 INFO L279 CegarLoopForPetriNet]: 422 programPoint places, -286 predicate places. [2024-11-27 19:54:14,522 INFO L471 AbstractCegarLoop]: Abstraction has has 136 places, 126 transitions, 260 flow [2024-11-27 19:54:14,522 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 107.0) internal successors, (214), 2 states have internal predecessors, (214), 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 19:54:14,522 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-27 19:54:14,523 INFO L206 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 19:54:14,523 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-27 19:54:14,523 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [P0Err0ASSERT_VIOLATIONDATA_RACE, P0Err1ASSERT_VIOLATIONDATA_RACE, P0Err2ASSERT_VIOLATIONDATA_RACE, P0Err3ASSERT_VIOLATIONDATA_RACE (and 528 more)] === [2024-11-27 19:54:14,524 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 19:54:14,525 INFO L85 PathProgramCache]: Analyzing trace with hash -421754364, now seen corresponding path program 1 times [2024-11-27 19:54:14,525 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 19:54:14,525 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [981547913] [2024-11-27 19:54:14,527 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 19:54:14,527 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 19:54:14,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 19:54:14,769 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 19:54:14,769 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 19:54:14,769 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [981547913] [2024-11-27 19:54:14,769 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [981547913] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 19:54:14,770 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 19:54:14,770 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-27 19:54:14,770 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1595496003] [2024-11-27 19:54:14,770 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 19:54:14,771 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 19:54:14,772 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 19:54:14,772 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 19:54:14,773 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 19:54:14,777 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 103 out of 416 [2024-11-27 19:54:14,778 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 136 places, 126 transitions, 260 flow. Second operand has 3 states, 3 states have (on average 105.33333333333333) internal successors, (316), 3 states have internal predecessors, (316), 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 19:54:14,778 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-27 19:54:14,778 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 103 of 416 [2024-11-27 19:54:14,778 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand