./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/pthread-wmm/mix023_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_3660ea90-f753-411d-b556-f0965660008a/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3660ea90-f753-411d-b556-f0965660008a/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_3660ea90-f753-411d-b556-f0965660008a/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3660ea90-f753-411d-b556-f0965660008a/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread-wmm/mix023_power.oepc_pso.oepc_rmo.oepc.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3660ea90-f753-411d-b556-f0965660008a/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_3660ea90-f753-411d-b556-f0965660008a/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 b51bd5b35703bd543bead4074e6d14da7b357845ee956f8678aa2abe4dcc1210 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-28 03:02:14,712 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-28 03:02:14,810 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3660ea90-f753-411d-b556-f0965660008a/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-11-28 03:02:14,820 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-28 03:02:14,821 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-28 03:02:14,848 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-28 03:02:14,849 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-28 03:02:14,849 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-28 03:02:14,850 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-28 03:02:14,850 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-28 03:02:14,850 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-28 03:02:14,850 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-28 03:02:14,850 INFO L153 SettingsManager]: * Use SBE=true [2024-11-28 03:02:14,850 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-28 03:02:14,851 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-28 03:02:14,851 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-28 03:02:14,851 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-28 03:02:14,851 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-28 03:02:14,851 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-28 03:02:14,851 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-28 03:02:14,851 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-28 03:02:14,851 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-28 03:02:14,851 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-11-28 03:02:14,852 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-28 03:02:14,852 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-28 03:02:14,852 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-28 03:02:14,852 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-28 03:02:14,852 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-28 03:02:14,852 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-28 03:02:14,852 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 03:02:14,852 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 03:02:14,853 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 03:02:14,853 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-28 03:02:14,853 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 03:02:14,853 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 03:02:14,853 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 03:02:14,853 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-28 03:02:14,853 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-28 03:02:14,853 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-28 03:02:14,853 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-28 03:02:14,854 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-28 03:02:14,854 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-28 03:02:14,854 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-28 03:02:14,854 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-28 03:02:14,854 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-28 03:02:14,854 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-28 03:02:14,854 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_3660ea90-f753-411d-b556-f0965660008a/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 -> b51bd5b35703bd543bead4074e6d14da7b357845ee956f8678aa2abe4dcc1210 [2024-11-28 03:02:15,163 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-28 03:02:15,174 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-28 03:02:15,178 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-28 03:02:15,179 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-28 03:02:15,181 INFO L274 PluginConnector]: CDTParser initialized [2024-11-28 03:02:15,183 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3660ea90-f753-411d-b556-f0965660008a/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/pthread-wmm/mix023_power.oepc_pso.oepc_rmo.oepc.i [2024-11-28 03:02:18,066 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3660ea90-f753-411d-b556-f0965660008a/bin/uautomizer-verify-aQ6SnzHsRB/data/68bba0491/348aa24e845845658cba08253d344fb6/FLAG2a44116e3 [2024-11-28 03:02:18,442 INFO L384 CDTParser]: Found 1 translation units. [2024-11-28 03:02:18,442 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3660ea90-f753-411d-b556-f0965660008a/sv-benchmarks/c/pthread-wmm/mix023_power.oepc_pso.oepc_rmo.oepc.i [2024-11-28 03:02:18,461 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3660ea90-f753-411d-b556-f0965660008a/bin/uautomizer-verify-aQ6SnzHsRB/data/68bba0491/348aa24e845845658cba08253d344fb6/FLAG2a44116e3 [2024-11-28 03:02:18,477 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3660ea90-f753-411d-b556-f0965660008a/bin/uautomizer-verify-aQ6SnzHsRB/data/68bba0491/348aa24e845845658cba08253d344fb6 [2024-11-28 03:02:18,480 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-28 03:02:18,481 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-28 03:02:18,483 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-28 03:02:18,483 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-28 03:02:18,488 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-28 03:02:18,489 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:02:18" (1/1) ... [2024-11-28 03:02:18,493 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2683dafa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:02:18, skipping insertion in model container [2024-11-28 03:02:18,493 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:02:18" (1/1) ... [2024-11-28 03:02:18,535 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-28 03:02:19,047 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 03:02:19,056 INFO L200 MainTranslator]: Completed pre-run [2024-11-28 03:02:19,183 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 03:02:19,232 INFO L204 MainTranslator]: Completed translation [2024-11-28 03:02:19,233 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:02:19 WrapperNode [2024-11-28 03:02:19,234 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-28 03:02:19,235 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-28 03:02:19,236 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-28 03:02:19,236 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-28 03:02:19,241 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:02:19" (1/1) ... [2024-11-28 03:02:19,261 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:02:19" (1/1) ... [2024-11-28 03:02:19,298 INFO L138 Inliner]: procedures = 176, calls = 56, calls flagged for inlining = 6, calls inlined = 7, statements flattened = 510 [2024-11-28 03:02:19,298 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-28 03:02:19,299 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-28 03:02:19,299 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-28 03:02:19,299 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-28 03:02:19,307 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:02:19" (1/1) ... [2024-11-28 03:02:19,307 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:02:19" (1/1) ... [2024-11-28 03:02:19,313 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:02:19" (1/1) ... [2024-11-28 03:02:19,313 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:02:19" (1/1) ... [2024-11-28 03:02:19,333 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:02:19" (1/1) ... [2024-11-28 03:02:19,335 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:02:19" (1/1) ... [2024-11-28 03:02:19,343 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:02:19" (1/1) ... [2024-11-28 03:02:19,350 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:02:19" (1/1) ... [2024-11-28 03:02:19,358 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:02:19" (1/1) ... [2024-11-28 03:02:19,372 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-28 03:02:19,373 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-28 03:02:19,373 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-28 03:02:19,373 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-28 03:02:19,378 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:02:19" (1/1) ... [2024-11-28 03:02:19,388 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 03:02:19,405 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3660ea90-f753-411d-b556-f0965660008a/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:02:19,420 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3660ea90-f753-411d-b556-f0965660008a/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-28 03:02:19,426 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3660ea90-f753-411d-b556-f0965660008a/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-28 03:02:19,456 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-11-28 03:02:19,457 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-28 03:02:19,457 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2024-11-28 03:02:19,457 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2024-11-28 03:02:19,457 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2024-11-28 03:02:19,457 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2024-11-28 03:02:19,457 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2024-11-28 03:02:19,457 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2024-11-28 03:02:19,457 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2024-11-28 03:02:19,457 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2024-11-28 03:02:19,458 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-28 03:02:19,458 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-11-28 03:02:19,458 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-28 03:02:19,458 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-28 03:02:19,461 WARN L203 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-28 03:02:19,748 INFO L234 CfgBuilder]: Building ICFG [2024-11-28 03:02:19,751 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-28 03:02:21,751 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-28 03:02:21,752 INFO L283 CfgBuilder]: Performing block encoding [2024-11-28 03:02:27,891 WARN L170 LargeBlockEncoding]: Complex 2:22 sequential composition. Such compositions can cause exponential blowup and should not occur in structured programs. [2024-11-28 03:02:27,938 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-28 03:02:27,938 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-28 03:02:27,941 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:02:27 BoogieIcfgContainer [2024-11-28 03:02:27,941 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-28 03:02:27,944 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-28 03:02:27,944 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-28 03:02:27,950 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-28 03:02:27,950 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 03:02:18" (1/3) ... [2024-11-28 03:02:27,952 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@70851b9b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 03:02:27, skipping insertion in model container [2024-11-28 03:02:27,952 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:02:19" (2/3) ... [2024-11-28 03:02:27,952 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@70851b9b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 03:02:27, skipping insertion in model container [2024-11-28 03:02:27,954 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:02:27" (3/3) ... [2024-11-28 03:02:27,955 INFO L128 eAbstractionObserver]: Analyzing ICFG mix023_power.oepc_pso.oepc_rmo.oepc.i [2024-11-28 03:02:27,975 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-28 03:02:27,979 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG mix023_power.oepc_pso.oepc_rmo.oepc.i that has 5 procedures, 416 locations, 1 initial locations, 0 loop locations, and 285 error locations. [2024-11-28 03:02:27,979 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-28 03:02:28,373 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-11-28 03:02:28,442 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 428 places, 440 transitions, 896 flow [2024-11-28 03:02:28,800 INFO L124 PetriNetUnfolderBase]: 25/436 cut-off events. [2024-11-28 03:02:28,803 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-28 03:02:28,826 INFO L83 FinitePrefix]: Finished finitePrefix Result has 449 conditions, 436 events. 25/436 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. 0/126 useless extension candidates. Maximal degree in co-relation 398. Up to 2 conditions per place. [2024-11-28 03:02:28,826 INFO L82 GeneralOperation]: Start removeDead. Operand has 428 places, 440 transitions, 896 flow [2024-11-28 03:02:28,861 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 424 places, 436 transitions, 884 flow [2024-11-28 03:02:28,868 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-28 03:02:28,880 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;@3d1cf9ef, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-28 03:02:28,881 INFO L334 AbstractCegarLoop]: Starting to check reachability of 535 error locations. [2024-11-28 03:02:28,981 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-28 03:02:28,981 INFO L124 PetriNetUnfolderBase]: 0/47 cut-off events. [2024-11-28 03:02:28,981 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-28 03:02:28,981 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 03:02:28,982 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] [2024-11-28 03:02:28,983 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting P0Err0ASSERT_VIOLATIONDATA_RACE === [P0Err0ASSERT_VIOLATIONDATA_RACE, P0Err1ASSERT_VIOLATIONDATA_RACE, P0Err2ASSERT_VIOLATIONDATA_RACE, P0Err3ASSERT_VIOLATIONDATA_RACE (and 531 more)] === [2024-11-28 03:02:28,991 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:02:28,991 INFO L85 PathProgramCache]: Analyzing trace with hash -631066854, now seen corresponding path program 1 times [2024-11-28 03:02:29,001 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:02:29,002 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2101281565] [2024-11-28 03:02:29,002 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:02:29,002 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:02:29,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:02:29,313 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 03:02:29,313 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:02:29,313 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2101281565] [2024-11-28 03:02:29,314 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2101281565] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:02:29,316 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:02:29,316 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-11-28 03:02:29,318 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [845214556] [2024-11-28 03:02:29,319 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:02:29,326 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-28 03:02:29,334 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:02:29,364 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-28 03:02:29,365 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-28 03:02:29,367 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 106 out of 440 [2024-11-28 03:02:29,374 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 424 places, 436 transitions, 884 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) [2024-11-28 03:02:29,375 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 03:02:29,375 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 106 of 440 [2024-11-28 03:02:29,377 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 03:02:46,239 INFO L124 PetriNetUnfolderBase]: 12029/31579 cut-off events. [2024-11-28 03:02:46,240 INFO L125 PetriNetUnfolderBase]: For 186/186 co-relation queries the response was YES. [2024-11-28 03:02:46,352 INFO L83 FinitePrefix]: Finished finitePrefix Result has 47771 conditions, 31579 events. 12029/31579 cut-off events. For 186/186 co-relation queries the response was YES. Maximal size of possible extension queue 1243. Compared 387060 event pairs, 11279 based on Foata normal form. 2642/31472 useless extension candidates. Maximal degree in co-relation 47718. Up to 15815 conditions per place. [2024-11-28 03:02:46,511 INFO L140 encePairwiseOnDemand]: 133/440 looper letters, 26 selfloop transitions, 0 changer transitions 0/127 dead transitions. [2024-11-28 03:02:46,512 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 140 places, 127 transitions, 318 flow [2024-11-28 03:02:46,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-28 03:02:46,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2024-11-28 03:02:46,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 545 transitions. [2024-11-28 03:02:46,539 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.6193181818181818 [2024-11-28 03:02:46,544 INFO L175 Difference]: Start difference. First operand has 424 places, 436 transitions, 884 flow. Second operand 2 states and 545 transitions. [2024-11-28 03:02:46,545 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 140 places, 127 transitions, 318 flow [2024-11-28 03:02:46,551 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 136 places, 127 transitions, 314 flow, removed 0 selfloop flow, removed 4 redundant places. [2024-11-28 03:02:46,556 INFO L231 Difference]: Finished difference. Result has 136 places, 127 transitions, 262 flow [2024-11-28 03:02:46,560 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=440, PETRI_DIFFERENCE_MINUEND_FLOW=262, PETRI_DIFFERENCE_MINUEND_PLACES=135, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=127, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=127, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=262, PETRI_PLACES=136, PETRI_TRANSITIONS=127} [2024-11-28 03:02:46,567 INFO L279 CegarLoopForPetriNet]: 424 programPoint places, -288 predicate places. [2024-11-28 03:02:46,568 INFO L471 AbstractCegarLoop]: Abstraction has has 136 places, 127 transitions, 262 flow [2024-11-28 03:02:46,569 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) [2024-11-28 03:02:46,569 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 03:02:46,569 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] [2024-11-28 03:02:46,569 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-28 03:02:46,570 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [P0Err0ASSERT_VIOLATIONDATA_RACE, P0Err1ASSERT_VIOLATIONDATA_RACE, P0Err2ASSERT_VIOLATIONDATA_RACE, P0Err3ASSERT_VIOLATIONDATA_RACE (and 531 more)] === [2024-11-28 03:02:46,571 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:02:46,572 INFO L85 PathProgramCache]: Analyzing trace with hash 1078170770, now seen corresponding path program 1 times [2024-11-28 03:02:46,573 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:02:46,573 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [470582135] [2024-11-28 03:02:46,574 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:02:46,574 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:02:46,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:02:46,845 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 03:02:46,845 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:02:46,845 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [470582135] [2024-11-28 03:02:46,845 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [470582135] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:02:46,846 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:02:46,846 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 03:02:46,846 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1685708747] [2024-11-28 03:02:46,846 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:02:46,847 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 03:02:46,848 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:02:46,849 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 03:02:46,849 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:02:46,853 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 103 out of 440 [2024-11-28 03:02:46,854 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 136 places, 127 transitions, 262 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) [2024-11-28 03:02:46,854 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 03:02:46,854 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 103 of 440 [2024-11-28 03:02:46,854 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand