./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/pthread-wmm/safe022_tso.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_6ceb9a62-113b-4209-b473-54bff1157883/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ceb9a62-113b-4209-b473-54bff1157883/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_6ceb9a62-113b-4209-b473-54bff1157883/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ceb9a62-113b-4209-b473-54bff1157883/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread-wmm/safe022_tso.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ceb9a62-113b-4209-b473-54bff1157883/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_6ceb9a62-113b-4209-b473-54bff1157883/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 cfc87f4ca115dcc389a4b05cbc106fd8bac1a9e17a58d50108d65580024dc2f5 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-28 04:37:56,021 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-28 04:37:56,100 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ceb9a62-113b-4209-b473-54bff1157883/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-11-28 04:37:56,105 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-28 04:37:56,105 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-28 04:37:56,145 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-28 04:37:56,146 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-28 04:37:56,146 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-28 04:37:56,146 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-28 04:37:56,148 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-28 04:37:56,148 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-28 04:37:56,148 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-28 04:37:56,148 INFO L153 SettingsManager]: * Use SBE=true [2024-11-28 04:37:56,149 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-28 04:37:56,149 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-28 04:37:56,149 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-28 04:37:56,149 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-28 04:37:56,149 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-28 04:37:56,149 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-28 04:37:56,149 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-28 04:37:56,149 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-28 04:37:56,149 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-28 04:37:56,150 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-11-28 04:37:56,150 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-28 04:37:56,150 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-28 04:37:56,150 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-28 04:37:56,150 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-28 04:37:56,150 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-28 04:37:56,150 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-28 04:37:56,150 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 04:37:56,150 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 04:37:56,151 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 04:37:56,151 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-28 04:37:56,151 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 04:37:56,151 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 04:37:56,151 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 04:37:56,151 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-28 04:37:56,151 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-28 04:37:56,151 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-28 04:37:56,153 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-28 04:37:56,153 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-28 04:37:56,153 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-28 04:37:56,153 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-28 04:37:56,154 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-28 04:37:56,154 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-28 04:37:56,154 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-28 04:37:56,154 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_6ceb9a62-113b-4209-b473-54bff1157883/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 -> cfc87f4ca115dcc389a4b05cbc106fd8bac1a9e17a58d50108d65580024dc2f5 [2024-11-28 04:37:56,457 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-28 04:37:56,470 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-28 04:37:56,472 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-28 04:37:56,474 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-28 04:37:56,476 INFO L274 PluginConnector]: CDTParser initialized [2024-11-28 04:37:56,477 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ceb9a62-113b-4209-b473-54bff1157883/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/pthread-wmm/safe022_tso.i [2024-11-28 04:37:59,713 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ceb9a62-113b-4209-b473-54bff1157883/bin/uautomizer-verify-aQ6SnzHsRB/data/f27e0d584/c82263209f1c45ba85c9bfb7accd6779/FLAGcc99e8e87 [2024-11-28 04:38:00,168 INFO L384 CDTParser]: Found 1 translation units. [2024-11-28 04:38:00,172 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ceb9a62-113b-4209-b473-54bff1157883/sv-benchmarks/c/pthread-wmm/safe022_tso.i [2024-11-28 04:38:00,194 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ceb9a62-113b-4209-b473-54bff1157883/bin/uautomizer-verify-aQ6SnzHsRB/data/f27e0d584/c82263209f1c45ba85c9bfb7accd6779/FLAGcc99e8e87 [2024-11-28 04:38:00,220 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ceb9a62-113b-4209-b473-54bff1157883/bin/uautomizer-verify-aQ6SnzHsRB/data/f27e0d584/c82263209f1c45ba85c9bfb7accd6779 [2024-11-28 04:38:00,224 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-28 04:38:00,226 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-28 04:38:00,227 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-28 04:38:00,227 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-28 04:38:00,233 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-28 04:38:00,234 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:38:00" (1/1) ... [2024-11-28 04:38:00,237 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7f426b02 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:38:00, skipping insertion in model container [2024-11-28 04:38:00,237 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:38:00" (1/1) ... [2024-11-28 04:38:00,293 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-28 04:38:00,697 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 04:38:00,706 INFO L200 MainTranslator]: Completed pre-run [2024-11-28 04:38:00,757 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 04:38:00,798 INFO L204 MainTranslator]: Completed translation [2024-11-28 04:38:00,799 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:38:00 WrapperNode [2024-11-28 04:38:00,800 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-28 04:38:00,801 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-28 04:38:00,801 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-28 04:38:00,801 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-28 04:38:00,808 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:38:00" (1/1) ... [2024-11-28 04:38:00,819 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:38:00" (1/1) ... [2024-11-28 04:38:00,843 INFO L138 Inliner]: procedures = 174, calls = 33, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 74 [2024-11-28 04:38:00,844 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-28 04:38:00,844 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-28 04:38:00,844 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-28 04:38:00,844 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-28 04:38:00,854 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:38:00" (1/1) ... [2024-11-28 04:38:00,854 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:38:00" (1/1) ... [2024-11-28 04:38:00,857 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:38:00" (1/1) ... [2024-11-28 04:38:00,861 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:38:00" (1/1) ... [2024-11-28 04:38:00,870 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:38:00" (1/1) ... [2024-11-28 04:38:00,876 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:38:00" (1/1) ... [2024-11-28 04:38:00,878 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:38:00" (1/1) ... [2024-11-28 04:38:00,882 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:38:00" (1/1) ... [2024-11-28 04:38:00,883 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:38:00" (1/1) ... [2024-11-28 04:38:00,889 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-28 04:38:00,890 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-28 04:38:00,890 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-28 04:38:00,890 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-28 04:38:00,891 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:38:00" (1/1) ... [2024-11-28 04:38:00,904 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 04:38:00,918 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ceb9a62-113b-4209-b473-54bff1157883/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:38:00,934 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ceb9a62-113b-4209-b473-54bff1157883/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-28 04:38:00,938 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ceb9a62-113b-4209-b473-54bff1157883/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-28 04:38:00,966 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-11-28 04:38:00,966 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-28 04:38:00,967 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2024-11-28 04:38:00,967 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2024-11-28 04:38:00,967 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2024-11-28 04:38:00,967 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2024-11-28 04:38:00,967 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-28 04:38:00,967 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-11-28 04:38:00,967 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-28 04:38:00,967 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-28 04:38:00,969 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 04:38:01,142 INFO L234 CfgBuilder]: Building ICFG [2024-11-28 04:38:01,144 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-28 04:38:01,512 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-28 04:38:01,512 INFO L283 CfgBuilder]: Performing block encoding [2024-11-28 04:38:01,650 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-28 04:38:01,650 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-28 04:38:01,651 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:38:01 BoogieIcfgContainer [2024-11-28 04:38:01,651 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-28 04:38:01,654 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-28 04:38:01,654 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-28 04:38:01,661 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-28 04:38:01,661 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 04:38:00" (1/3) ... [2024-11-28 04:38:01,662 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2883a235 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 04:38:01, skipping insertion in model container [2024-11-28 04:38:01,662 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:38:00" (2/3) ... [2024-11-28 04:38:01,662 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2883a235 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 04:38:01, skipping insertion in model container [2024-11-28 04:38:01,663 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:38:01" (3/3) ... [2024-11-28 04:38:01,664 INFO L128 eAbstractionObserver]: Analyzing ICFG safe022_tso.i [2024-11-28 04:38:01,684 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-28 04:38:01,686 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG safe022_tso.i that has 3 procedures, 92 locations, 1 initial locations, 0 loop locations, and 17 error locations. [2024-11-28 04:38:01,687 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-28 04:38:01,752 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-11-28 04:38:01,815 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 98 places, 94 transitions, 196 flow [2024-11-28 04:38:01,919 INFO L124 PetriNetUnfolderBase]: 3/92 cut-off events. [2024-11-28 04:38:01,921 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-28 04:38:01,931 INFO L83 FinitePrefix]: Finished finitePrefix Result has 99 conditions, 92 events. 3/92 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 103 event pairs, 0 based on Foata normal form. 0/72 useless extension candidates. Maximal degree in co-relation 74. Up to 2 conditions per place. [2024-11-28 04:38:01,931 INFO L82 GeneralOperation]: Start removeDead. Operand has 98 places, 94 transitions, 196 flow [2024-11-28 04:38:01,936 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 96 places, 92 transitions, 190 flow [2024-11-28 04:38:01,945 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-28 04:38:01,958 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;@58302e41, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-28 04:38:01,959 INFO L334 AbstractCegarLoop]: Starting to check reachability of 29 error locations. [2024-11-28 04:38:01,968 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-28 04:38:01,968 INFO L124 PetriNetUnfolderBase]: 0/23 cut-off events. [2024-11-28 04:38:01,968 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-28 04:38:01,968 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 04:38:01,969 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] [2024-11-28 04:38:01,969 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting P0Err0ASSERT_VIOLATIONDATA_RACE === [P0Err0ASSERT_VIOLATIONDATA_RACE, P0Err1ASSERT_VIOLATIONDATA_RACE, P0Err2ASSERT_VIOLATIONDATA_RACE, P0Err3ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2024-11-28 04:38:01,975 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:38:01,975 INFO L85 PathProgramCache]: Analyzing trace with hash -1878132047, now seen corresponding path program 1 times [2024-11-28 04:38:01,984 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:38:01,985 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1824282437] [2024-11-28 04:38:01,985 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:38:01,986 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:38:02,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:38:02,146 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 04:38:02,146 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:38:02,147 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1824282437] [2024-11-28 04:38:02,147 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1824282437] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:38:02,147 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:38:02,148 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-11-28 04:38:02,149 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1223955121] [2024-11-28 04:38:02,150 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:38:02,157 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-28 04:38:02,162 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:38:02,184 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-28 04:38:02,185 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-28 04:38:02,187 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 65 out of 94 [2024-11-28 04:38:02,190 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 96 places, 92 transitions, 190 flow. Second operand has 2 states, 2 states have (on average 66.0) internal successors, (132), 2 states have internal predecessors, (132), 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 04:38:02,190 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 04:38:02,190 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 65 of 94 [2024-11-28 04:38:02,191 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 04:38:02,323 INFO L124 PetriNetUnfolderBase]: 60/219 cut-off events. [2024-11-28 04:38:02,323 INFO L125 PetriNetUnfolderBase]: For 5/5 co-relation queries the response was YES. [2024-11-28 04:38:02,324 INFO L83 FinitePrefix]: Finished finitePrefix Result has 345 conditions, 219 events. 60/219 cut-off events. For 5/5 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 933 event pairs, 60 based on Foata normal form. 12/209 useless extension candidates. Maximal degree in co-relation 318. Up to 113 conditions per place. [2024-11-28 04:38:02,327 INFO L140 encePairwiseOnDemand]: 76/94 looper letters, 10 selfloop transitions, 0 changer transitions 0/72 dead transitions. [2024-11-28 04:38:02,327 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 80 places, 72 transitions, 170 flow [2024-11-28 04:38:02,329 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-28 04:38:02,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2024-11-28 04:38:02,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 158 transitions. [2024-11-28 04:38:02,343 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8404255319148937 [2024-11-28 04:38:02,345 INFO L175 Difference]: Start difference. First operand has 96 places, 92 transitions, 190 flow. Second operand 2 states and 158 transitions. [2024-11-28 04:38:02,346 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 80 places, 72 transitions, 170 flow [2024-11-28 04:38:02,350 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 78 places, 72 transitions, 168 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-28 04:38:02,353 INFO L231 Difference]: Finished difference. Result has 78 places, 72 transitions, 148 flow [2024-11-28 04:38:02,356 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=94, PETRI_DIFFERENCE_MINUEND_FLOW=148, PETRI_DIFFERENCE_MINUEND_PLACES=77, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=72, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=72, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=148, PETRI_PLACES=78, PETRI_TRANSITIONS=72} [2024-11-28 04:38:02,360 INFO L279 CegarLoopForPetriNet]: 96 programPoint places, -18 predicate places. [2024-11-28 04:38:02,360 INFO L471 AbstractCegarLoop]: Abstraction has has 78 places, 72 transitions, 148 flow [2024-11-28 04:38:02,361 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 66.0) internal successors, (132), 2 states have internal predecessors, (132), 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 04:38:02,361 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 04:38:02,361 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] [2024-11-28 04:38:02,361 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-28 04:38:02,361 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [P0Err0ASSERT_VIOLATIONDATA_RACE, P0Err1ASSERT_VIOLATIONDATA_RACE, P0Err2ASSERT_VIOLATIONDATA_RACE, P0Err3ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2024-11-28 04:38:02,362 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:38:02,362 INFO L85 PathProgramCache]: Analyzing trace with hash -1271285390, now seen corresponding path program 1 times [2024-11-28 04:38:02,362 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:38:02,362 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [263954573] [2024-11-28 04:38:02,363 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:38:02,363 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:38:02,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:38:02,454 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 04:38:02,454 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:38:02,455 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [263954573] [2024-11-28 04:38:02,455 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [263954573] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:38:02,455 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:38:02,455 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 04:38:02,455 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1464841863] [2024-11-28 04:38:02,455 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:38:02,457 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 04:38:02,457 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:38:02,458 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 04:38:02,458 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 04:38:02,462 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 62 out of 94 [2024-11-28 04:38:02,463 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 78 places, 72 transitions, 148 flow. Second operand has 3 states, 3 states have (on average 63.666666666666664) internal successors, (191), 3 states have internal predecessors, (191), 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 04:38:02,463 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 04:38:02,463 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 62 of 94 [2024-11-28 04:38:02,463 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 04:38:02,636 INFO L124 PetriNetUnfolderBase]: 108/641 cut-off events. [2024-11-28 04:38:02,637 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-28 04:38:02,641 INFO L83 FinitePrefix]: Finished finitePrefix Result has 846 conditions, 641 events. 108/641 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 28. Compared 4107 event pairs, 36 based on Foata normal form. 0/589 useless extension candidates. Maximal degree in co-relation 843. Up to 120 conditions per place. [2024-11-28 04:38:02,646 INFO L140 encePairwiseOnDemand]: 92/94 looper letters, 17 selfloop transitions, 1 changer transitions 0/77 dead transitions. [2024-11-28 04:38:02,647 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 79 places, 77 transitions, 194 flow [2024-11-28 04:38:02,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 04:38:02,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 04:38:02,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 205 transitions. [2024-11-28 04:38:02,650 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.7269503546099291 [2024-11-28 04:38:02,651 INFO L175 Difference]: Start difference. First operand has 78 places, 72 transitions, 148 flow. Second operand 3 states and 205 transitions. [2024-11-28 04:38:02,651 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 79 places, 77 transitions, 194 flow [2024-11-28 04:38:02,653 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 79 places, 77 transitions, 194 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-28 04:38:02,655 INFO L231 Difference]: Finished difference. Result has 79 places, 71 transitions, 148 flow [2024-11-28 04:38:02,657 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=94, PETRI_DIFFERENCE_MINUEND_FLOW=146, PETRI_DIFFERENCE_MINUEND_PLACES=77, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=71, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=70, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=148, PETRI_PLACES=79, PETRI_TRANSITIONS=71} [2024-11-28 04:38:02,658 INFO L279 CegarLoopForPetriNet]: 96 programPoint places, -17 predicate places. [2024-11-28 04:38:02,658 INFO L471 AbstractCegarLoop]: Abstraction has has 79 places, 71 transitions, 148 flow [2024-11-28 04:38:02,659 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 63.666666666666664) internal successors, (191), 3 states have internal predecessors, (191), 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 04:38:02,659 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 04:38:02,659 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] [2024-11-28 04:38:02,659 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-28 04:38:02,659 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [P0Err0ASSERT_VIOLATIONDATA_RACE, P0Err1ASSERT_VIOLATIONDATA_RACE, P0Err2ASSERT_VIOLATIONDATA_RACE, P0Err3ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2024-11-28 04:38:02,660 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:38:02,661 INFO L85 PathProgramCache]: Analyzing trace with hash 1241802017, now seen corresponding path program 1 times [2024-11-28 04:38:02,661 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:38:02,661 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1995052235] [2024-11-28 04:38:02,662 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:38:02,662 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:38:02,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:38:02,820 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 04:38:02,820 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:38:02,853 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1995052235] [2024-11-28 04:38:02,853 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1995052235] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:38:02,853 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:38:02,853 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 04:38:02,853 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2145501245] [2024-11-28 04:38:02,853 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:38:02,854 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 04:38:02,854 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:38:02,854 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 04:38:02,854 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 04:38:02,865 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 62 out of 94 [2024-11-28 04:38:02,866 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 79 places, 71 transitions, 148 flow. Second operand has 3 states, 3 states have (on average 64.0) internal successors, (192), 3 states have internal predecessors, (192), 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 04:38:02,866 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 04:38:02,866 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 62 of 94 [2024-11-28 04:38:02,866 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 04:38:02,986 INFO L124 PetriNetUnfolderBase]: 108/490 cut-off events. [2024-11-28 04:38:02,987 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-28 04:38:02,989 INFO L83 FinitePrefix]: Finished finitePrefix Result has 697 conditions, 490 events. 108/490 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 26. Compared 2878 event pairs, 60 based on Foata normal form. 0/455 useless extension candidates. Maximal degree in co-relation 693. Up to 113 conditions per place. [2024-11-28 04:38:02,990 INFO L140 encePairwiseOnDemand]: 92/94 looper letters, 0 selfloop transitions, 0 changer transitions 76/76 dead transitions. [2024-11-28 04:38:02,990 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 80 places, 76 transitions, 194 flow [2024-11-28 04:38:02,991 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 04:38:02,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 04:38:02,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 205 transitions. [2024-11-28 04:38:02,993 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.7269503546099291 [2024-11-28 04:38:02,993 INFO L175 Difference]: Start difference. First operand has 79 places, 71 transitions, 148 flow. Second operand 3 states and 205 transitions. [2024-11-28 04:38:02,993 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 80 places, 76 transitions, 194 flow [2024-11-28 04:38:02,994 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 79 places, 76 transitions, 193 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-28 04:38:02,998 INFO L231 Difference]: Finished difference. Result has 79 places, 0 transitions, 0 flow [2024-11-28 04:38:02,998 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=94, PETRI_DIFFERENCE_MINUEND_FLOW=145, PETRI_DIFFERENCE_MINUEND_PLACES=77, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=70, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=70, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=79, PETRI_TRANSITIONS=0} [2024-11-28 04:38:02,999 INFO L279 CegarLoopForPetriNet]: 96 programPoint places, -17 predicate places. [2024-11-28 04:38:02,999 INFO L471 AbstractCegarLoop]: Abstraction has has 79 places, 0 transitions, 0 flow [2024-11-28 04:38:03,000 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 64.0) internal successors, (192), 3 states have internal predecessors, (192), 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 04:38:03,004 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONDATA_RACE (28 of 29 remaining) [2024-11-28 04:38:03,005 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONDATA_RACE (27 of 29 remaining) [2024-11-28 04:38:03,005 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P0Err2ASSERT_VIOLATIONDATA_RACE (26 of 29 remaining) [2024-11-28 04:38:03,005 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P0Err3ASSERT_VIOLATIONDATA_RACE (25 of 29 remaining) [2024-11-28 04:38:03,005 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONDATA_RACE (24 of 29 remaining) [2024-11-28 04:38:03,007 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONDATA_RACE (23 of 29 remaining) [2024-11-28 04:38:03,007 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err2ASSERT_VIOLATIONDATA_RACE (22 of 29 remaining) [2024-11-28 04:38:03,008 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err3ASSERT_VIOLATIONDATA_RACE (21 of 29 remaining) [2024-11-28 04:38:03,008 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err4ASSERT_VIOLATIONDATA_RACE (20 of 29 remaining) [2024-11-28 04:38:03,008 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err5ASSERT_VIOLATIONDATA_RACE (19 of 29 remaining) [2024-11-28 04:38:03,008 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (18 of 29 remaining) [2024-11-28 04:38:03,008 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (17 of 29 remaining) [2024-11-28 04:38:03,008 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (16 of 29 remaining) [2024-11-28 04:38:03,008 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (15 of 29 remaining) [2024-11-28 04:38:03,009 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (14 of 29 remaining) [2024-11-28 04:38:03,009 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (13 of 29 remaining) [2024-11-28 04:38:03,011 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (12 of 29 remaining) [2024-11-28 04:38:03,011 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (11 of 29 remaining) [2024-11-28 04:38:03,011 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (10 of 29 remaining) [2024-11-28 04:38:03,011 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONDATA_RACE (9 of 29 remaining) [2024-11-28 04:38:03,011 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONDATA_RACE (8 of 29 remaining) [2024-11-28 04:38:03,012 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P0Err2ASSERT_VIOLATIONDATA_RACE (7 of 29 remaining) [2024-11-28 04:38:03,012 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P0Err3ASSERT_VIOLATIONDATA_RACE (6 of 29 remaining) [2024-11-28 04:38:03,012 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONDATA_RACE (5 of 29 remaining) [2024-11-28 04:38:03,012 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONDATA_RACE (4 of 29 remaining) [2024-11-28 04:38:03,012 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err2ASSERT_VIOLATIONDATA_RACE (3 of 29 remaining) [2024-11-28 04:38:03,014 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err3ASSERT_VIOLATIONDATA_RACE (2 of 29 remaining) [2024-11-28 04:38:03,014 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err4ASSERT_VIOLATIONDATA_RACE (1 of 29 remaining) [2024-11-28 04:38:03,014 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err5ASSERT_VIOLATIONDATA_RACE (0 of 29 remaining) [2024-11-28 04:38:03,014 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-28 04:38:03,015 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2024-11-28 04:38:03,022 INFO L241 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-28 04:38:03,023 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-28 04:38:03,031 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 04:38:03 BasicIcfg [2024-11-28 04:38:03,034 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-28 04:38:03,034 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-28 04:38:03,035 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-28 04:38:03,035 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-28 04:38:03,036 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:38:01" (3/4) ... [2024-11-28 04:38:03,038 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-11-28 04:38:03,042 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P0 [2024-11-28 04:38:03,042 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P1 [2024-11-28 04:38:03,048 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 19 nodes and edges [2024-11-28 04:38:03,048 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-11-28 04:38:03,048 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2024-11-28 04:38:03,049 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-28 04:38:03,132 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ceb9a62-113b-4209-b473-54bff1157883/bin/uautomizer-verify-aQ6SnzHsRB/witness.graphml [2024-11-28 04:38:03,132 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ceb9a62-113b-4209-b473-54bff1157883/bin/uautomizer-verify-aQ6SnzHsRB/witness.yml [2024-11-28 04:38:03,132 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-28 04:38:03,133 INFO L158 Benchmark]: Toolchain (without parser) took 2907.71ms. Allocated memory is still 117.4MB. Free memory was 90.5MB in the beginning and 66.8MB in the end (delta: 23.7MB). Peak memory consumption was 23.7MB. Max. memory is 16.1GB. [2024-11-28 04:38:03,134 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 83.9MB. Free memory is still 41.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 04:38:03,135 INFO L158 Benchmark]: CACSL2BoogieTranslator took 572.99ms. Allocated memory is still 117.4MB. Free memory was 90.5MB in the beginning and 70.4MB in the end (delta: 20.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-28 04:38:03,135 INFO L158 Benchmark]: Boogie Procedure Inliner took 42.86ms. Allocated memory is still 117.4MB. Free memory was 70.4MB in the beginning and 68.5MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 04:38:03,137 INFO L158 Benchmark]: Boogie Preprocessor took 45.21ms. Allocated memory is still 117.4MB. Free memory was 68.5MB in the beginning and 67.5MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 04:38:03,137 INFO L158 Benchmark]: RCFGBuilder took 760.80ms. Allocated memory is still 117.4MB. Free memory was 67.5MB in the beginning and 45.7MB in the end (delta: 21.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-28 04:38:03,137 INFO L158 Benchmark]: TraceAbstraction took 1380.05ms. Allocated memory is still 117.4MB. Free memory was 45.2MB in the beginning and 71.1MB in the end (delta: -25.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 04:38:03,138 INFO L158 Benchmark]: Witness Printer took 97.78ms. Allocated memory is still 117.4MB. Free memory was 71.1MB in the beginning and 66.8MB in the end (delta: 4.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 04:38:03,140 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 83.9MB. Free memory is still 41.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 572.99ms. Allocated memory is still 117.4MB. Free memory was 90.5MB in the beginning and 70.4MB in the end (delta: 20.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 42.86ms. Allocated memory is still 117.4MB. Free memory was 70.4MB in the beginning and 68.5MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 45.21ms. Allocated memory is still 117.4MB. Free memory was 68.5MB in the beginning and 67.5MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 760.80ms. Allocated memory is still 117.4MB. Free memory was 67.5MB in the beginning and 45.7MB in the end (delta: 21.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 1380.05ms. Allocated memory is still 117.4MB. Free memory was 45.2MB in the beginning and 71.1MB in the end (delta: -25.8MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 97.78ms. Allocated memory is still 117.4MB. Free memory was 71.1MB in the beginning and 66.8MB in the end (delta: 4.3MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 722]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 725]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 730]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 730]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 737]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 737]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 740]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 740]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 745]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 745]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 765]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 765]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 767]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 771]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 771]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 771]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 773]: there are no data races For all program executions holds that there are no data races at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 120 locations, 29 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 1.2s, OverallIterations: 3, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 19 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 13 mSDsluCounter, 6 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 65 IncrementalHoareTripleChecker+Invalid, 67 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 6 mSDtfsCounter, 65 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=190occurred in iteration=0, InterpolantAutomatonStates: 8, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 96 NumberOfCodeBlocks, 96 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 93 ConstructedInterpolants, 0 QuantifiedInterpolants, 97 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 17 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-11-28 04:38:03,161 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ceb9a62-113b-4209-b473-54bff1157883/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE