./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/pthread-wmm/mix055_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_db119d20-7a4c-4093-8c98-62f409c44961/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db119d20-7a4c-4093-8c98-62f409c44961/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_db119d20-7a4c-4093-8c98-62f409c44961/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db119d20-7a4c-4093-8c98-62f409c44961/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread-wmm/mix055_power.oepc_pso.oepc_rmo.oepc.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db119d20-7a4c-4093-8c98-62f409c44961/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_db119d20-7a4c-4093-8c98-62f409c44961/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 b8efebf87dc67f98045ac231dc43d6a61f436e058244f16134f1d46d3b696c80 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-28 04:42:55,062 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-28 04:42:55,178 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db119d20-7a4c-4093-8c98-62f409c44961/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-11-28 04:42:55,190 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-28 04:42:55,190 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-28 04:42:55,236 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-28 04:42:55,237 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-28 04:42:55,237 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-28 04:42:55,237 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-28 04:42:55,238 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-28 04:42:55,238 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-28 04:42:55,238 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-28 04:42:55,238 INFO L153 SettingsManager]: * Use SBE=true [2024-11-28 04:42:55,238 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-28 04:42:55,238 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-28 04:42:55,239 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-28 04:42:55,239 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-28 04:42:55,239 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-28 04:42:55,239 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-28 04:42:55,239 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-28 04:42:55,239 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-28 04:42:55,239 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-28 04:42:55,239 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-11-28 04:42:55,239 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-28 04:42:55,240 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-28 04:42:55,240 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-28 04:42:55,240 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-28 04:42:55,240 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-28 04:42:55,240 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-28 04:42:55,240 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 04:42:55,240 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 04:42:55,240 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 04:42:55,241 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-28 04:42:55,241 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 04:42:55,241 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 04:42:55,241 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 04:42:55,241 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-28 04:42:55,241 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-28 04:42:55,241 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-28 04:42:55,242 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-28 04:42:55,242 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-28 04:42:55,242 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-28 04:42:55,242 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-28 04:42:55,242 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-28 04:42:55,242 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-28 04:42:55,242 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-28 04:42:55,242 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_db119d20-7a4c-4093-8c98-62f409c44961/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 -> b8efebf87dc67f98045ac231dc43d6a61f436e058244f16134f1d46d3b696c80 [2024-11-28 04:42:55,582 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-28 04:42:55,600 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-28 04:42:55,603 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-28 04:42:55,604 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-28 04:42:55,605 INFO L274 PluginConnector]: CDTParser initialized [2024-11-28 04:42:55,607 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db119d20-7a4c-4093-8c98-62f409c44961/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/pthread-wmm/mix055_power.oepc_pso.oepc_rmo.oepc.i [2024-11-28 04:42:58,925 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db119d20-7a4c-4093-8c98-62f409c44961/bin/uautomizer-verify-aQ6SnzHsRB/data/7cd603af8/6c7b83c4efba4809b20dcf3506242d06/FLAG7b925cad5 [2024-11-28 04:42:59,375 INFO L384 CDTParser]: Found 1 translation units. [2024-11-28 04:42:59,380 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db119d20-7a4c-4093-8c98-62f409c44961/sv-benchmarks/c/pthread-wmm/mix055_power.oepc_pso.oepc_rmo.oepc.i [2024-11-28 04:42:59,403 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db119d20-7a4c-4093-8c98-62f409c44961/bin/uautomizer-verify-aQ6SnzHsRB/data/7cd603af8/6c7b83c4efba4809b20dcf3506242d06/FLAG7b925cad5 [2024-11-28 04:42:59,421 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db119d20-7a4c-4093-8c98-62f409c44961/bin/uautomizer-verify-aQ6SnzHsRB/data/7cd603af8/6c7b83c4efba4809b20dcf3506242d06 [2024-11-28 04:42:59,423 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-28 04:42:59,425 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-28 04:42:59,427 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-28 04:42:59,427 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-28 04:42:59,435 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-28 04:42:59,436 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:42:59" (1/1) ... [2024-11-28 04:42:59,437 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@68d04b0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:42:59, skipping insertion in model container [2024-11-28 04:42:59,437 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:42:59" (1/1) ... [2024-11-28 04:42:59,507 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-28 04:43:00,160 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 04:43:00,173 INFO L200 MainTranslator]: Completed pre-run [2024-11-28 04:43:00,323 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 04:43:00,370 INFO L204 MainTranslator]: Completed translation [2024-11-28 04:43:00,371 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:43:00 WrapperNode [2024-11-28 04:43:00,372 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-28 04:43:00,374 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-28 04:43:00,374 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-28 04:43:00,374 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-28 04:43:00,390 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:43:00" (1/1) ... [2024-11-28 04:43:00,436 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:43:00" (1/1) ... [2024-11-28 04:43:00,497 INFO L138 Inliner]: procedures = 176, calls = 52, calls flagged for inlining = 6, calls inlined = 7, statements flattened = 496 [2024-11-28 04:43:00,498 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-28 04:43:00,498 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-28 04:43:00,498 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-28 04:43:00,498 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-28 04:43:00,518 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:43:00" (1/1) ... [2024-11-28 04:43:00,518 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:43:00" (1/1) ... [2024-11-28 04:43:00,530 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:43:00" (1/1) ... [2024-11-28 04:43:00,530 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:43:00" (1/1) ... [2024-11-28 04:43:00,567 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:43:00" (1/1) ... [2024-11-28 04:43:00,570 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:43:00" (1/1) ... [2024-11-28 04:43:00,580 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:43:00" (1/1) ... [2024-11-28 04:43:00,585 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:43:00" (1/1) ... [2024-11-28 04:43:00,593 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:43:00" (1/1) ... [2024-11-28 04:43:00,610 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-28 04:43:00,616 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-28 04:43:00,616 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-28 04:43:00,616 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-28 04:43:00,617 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:43:00" (1/1) ... [2024-11-28 04:43:00,632 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 04:43:00,657 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db119d20-7a4c-4093-8c98-62f409c44961/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:43:00,677 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db119d20-7a4c-4093-8c98-62f409c44961/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-28 04:43:00,684 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db119d20-7a4c-4093-8c98-62f409c44961/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-28 04:43:00,717 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-11-28 04:43:00,717 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-28 04:43:00,717 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2024-11-28 04:43:00,717 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2024-11-28 04:43:00,717 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2024-11-28 04:43:00,718 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2024-11-28 04:43:00,718 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2024-11-28 04:43:00,718 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2024-11-28 04:43:00,718 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2024-11-28 04:43:00,718 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2024-11-28 04:43:00,719 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-28 04:43:00,719 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-11-28 04:43:00,719 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-28 04:43:00,719 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-28 04:43:00,722 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 04:43:01,016 INFO L234 CfgBuilder]: Building ICFG [2024-11-28 04:43:01,019 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-28 04:43:03,746 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-28 04:43:03,746 INFO L283 CfgBuilder]: Performing block encoding [2024-11-28 04:43:09,520 WARN L170 LargeBlockEncoding]: Complex 2:6 sequential composition. Such compositions can cause exponential blowup and should not occur in structured programs. [2024-11-28 04:43:09,598 WARN L170 LargeBlockEncoding]: Complex 3:55 sequential composition. Such compositions can cause exponential blowup and should not occur in structured programs. [2024-11-28 04:43:10,351 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-28 04:43:10,351 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-28 04:43:10,355 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:43:10 BoogieIcfgContainer [2024-11-28 04:43:10,355 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-28 04:43:10,358 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-28 04:43:10,359 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-28 04:43:10,364 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-28 04:43:10,365 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 04:42:59" (1/3) ... [2024-11-28 04:43:10,366 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@e9037d7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 04:43:10, skipping insertion in model container [2024-11-28 04:43:10,366 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:43:00" (2/3) ... [2024-11-28 04:43:10,368 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@e9037d7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 04:43:10, skipping insertion in model container [2024-11-28 04:43:10,368 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:43:10" (3/3) ... [2024-11-28 04:43:10,370 INFO L128 eAbstractionObserver]: Analyzing ICFG mix055_power.oepc_pso.oepc_rmo.oepc.i [2024-11-28 04:43:10,391 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-28 04:43:10,395 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG mix055_power.oepc_pso.oepc_rmo.oepc.i that has 5 procedures, 406 locations, 1 initial locations, 0 loop locations, and 279 error locations. [2024-11-28 04:43:10,396 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-28 04:43:11,180 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-11-28 04:43:11,254 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 418 places, 523 transitions, 1062 flow [2024-11-28 04:43:11,770 INFO L124 PetriNetUnfolderBase]: 118/519 cut-off events. [2024-11-28 04:43:11,772 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-28 04:43:11,803 INFO L83 FinitePrefix]: Finished finitePrefix Result has 532 conditions, 519 events. 118/519 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 100. Compared 2309 event pairs, 0 based on Foata normal form. 0/122 useless extension candidates. Maximal degree in co-relation 483. Up to 3 conditions per place. [2024-11-28 04:43:11,803 INFO L82 GeneralOperation]: Start removeDead. Operand has 418 places, 523 transitions, 1062 flow [2024-11-28 04:43:11,860 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 414 places, 519 transitions, 1050 flow [2024-11-28 04:43:11,877 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-28 04:43:11,900 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;@97d1768, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-28 04:43:11,901 INFO L334 AbstractCegarLoop]: Starting to check reachability of 525 error locations. [2024-11-28 04:43:11,916 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-28 04:43:11,916 INFO L124 PetriNetUnfolderBase]: 0/44 cut-off events. [2024-11-28 04:43:11,916 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-28 04:43:11,917 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 04:43:11,917 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] [2024-11-28 04:43:11,918 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting P0Err0ASSERT_VIOLATIONDATA_RACE === [P0Err0ASSERT_VIOLATIONDATA_RACE, P0Err1ASSERT_VIOLATIONDATA_RACE, P0Err2ASSERT_VIOLATIONDATA_RACE, P0Err3ASSERT_VIOLATIONDATA_RACE (and 521 more)] === [2024-11-28 04:43:11,926 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:43:11,927 INFO L85 PathProgramCache]: Analyzing trace with hash 545883934, now seen corresponding path program 1 times [2024-11-28 04:43:11,937 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:43:11,938 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [648923547] [2024-11-28 04:43:11,938 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:43:11,939 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:43:12,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:43:12,279 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 04:43:12,279 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:43:12,280 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [648923547] [2024-11-28 04:43:12,280 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [648923547] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:43:12,281 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:43:12,281 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-11-28 04:43:12,284 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1843882645] [2024-11-28 04:43:12,285 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:43:12,294 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-28 04:43:12,300 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:43:12,330 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-28 04:43:12,331 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-28 04:43:12,334 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 104 out of 523 [2024-11-28 04:43:12,340 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 414 places, 519 transitions, 1050 flow. Second operand has 2 states, 2 states have (on average 105.0) internal successors, (210), 2 states have internal predecessors, (210), 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 04:43:12,340 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 04:43:12,340 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 104 of 523 [2024-11-28 04:43:12,343 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 04:43:30,416 INFO L124 PetriNetUnfolderBase]: 8720/22538 cut-off events. [2024-11-28 04:43:30,416 INFO L125 PetriNetUnfolderBase]: For 156/156 co-relation queries the response was YES. [2024-11-28 04:43:30,489 INFO L83 FinitePrefix]: Finished finitePrefix Result has 34231 conditions, 22538 events. 8720/22538 cut-off events. For 156/156 co-relation queries the response was YES. Maximal size of possible extension queue 879. Compared 259716 event pairs, 7720 based on Foata normal form. 1819/21918 useless extension candidates. Maximal degree in co-relation 34180. Up to 11376 conditions per place. [2024-11-28 04:43:30,599 INFO L140 encePairwiseOnDemand]: 130/523 looper letters, 25 selfloop transitions, 0 changer transitions 0/124 dead transitions. [2024-11-28 04:43:30,599 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 136 places, 124 transitions, 310 flow [2024-11-28 04:43:30,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-28 04:43:30,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2024-11-28 04:43:30,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 626 transitions. [2024-11-28 04:43:30,620 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.5984703632887189 [2024-11-28 04:43:30,622 INFO L175 Difference]: Start difference. First operand has 414 places, 519 transitions, 1050 flow. Second operand 2 states and 626 transitions. [2024-11-28 04:43:30,624 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 136 places, 124 transitions, 310 flow [2024-11-28 04:43:30,630 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 132 places, 124 transitions, 306 flow, removed 0 selfloop flow, removed 4 redundant places. [2024-11-28 04:43:30,634 INFO L231 Difference]: Finished difference. Result has 132 places, 124 transitions, 256 flow [2024-11-28 04:43:30,638 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=523, PETRI_DIFFERENCE_MINUEND_FLOW=256, PETRI_DIFFERENCE_MINUEND_PLACES=131, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=124, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=124, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=256, PETRI_PLACES=132, PETRI_TRANSITIONS=124} [2024-11-28 04:43:30,644 INFO L279 CegarLoopForPetriNet]: 414 programPoint places, -282 predicate places. [2024-11-28 04:43:30,646 INFO L471 AbstractCegarLoop]: Abstraction has has 132 places, 124 transitions, 256 flow [2024-11-28 04:43:30,646 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 105.0) internal successors, (210), 2 states have internal predecessors, (210), 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 04:43:30,647 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 04:43:30,647 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] [2024-11-28 04:43:30,647 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-28 04:43:30,648 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [P0Err0ASSERT_VIOLATIONDATA_RACE, P0Err1ASSERT_VIOLATIONDATA_RACE, P0Err2ASSERT_VIOLATIONDATA_RACE, P0Err3ASSERT_VIOLATIONDATA_RACE (and 521 more)] === [2024-11-28 04:43:30,649 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:43:30,650 INFO L85 PathProgramCache]: Analyzing trace with hash 1749837670, now seen corresponding path program 1 times [2024-11-28 04:43:30,650 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:43:30,650 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [516372943] [2024-11-28 04:43:30,651 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:43:30,651 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:43:30,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:43:30,892 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 04:43:30,892 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:43:30,892 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [516372943] [2024-11-28 04:43:30,892 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [516372943] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:43:30,892 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:43:30,893 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 04:43:30,893 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [382595938] [2024-11-28 04:43:30,893 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:43:30,894 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 04:43:30,895 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:43:30,896 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 04:43:30,896 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 04:43:30,901 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 101 out of 523 [2024-11-28 04:43:30,902 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 132 places, 124 transitions, 256 flow. Second operand has 3 states, 3 states have (on average 103.33333333333333) internal successors, (310), 3 states have internal predecessors, (310), 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 04:43:30,902 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 04:43:30,902 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 101 of 523 [2024-11-28 04:43:30,902 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand