./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/pthread-wmm/mix023_tso.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 6497de01 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bbdebc2-b0a9-45e5-a461-1a28f9e1790a/bin/uautomizer-verify-LYvppIcaGC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bbdebc2-b0a9-45e5-a461-1a28f9e1790a/bin/uautomizer-verify-LYvppIcaGC/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bbdebc2-b0a9-45e5-a461-1a28f9e1790a/bin/uautomizer-verify-LYvppIcaGC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bbdebc2-b0a9-45e5-a461-1a28f9e1790a/bin/uautomizer-verify-LYvppIcaGC/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread-wmm/mix023_tso.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bbdebc2-b0a9-45e5-a461-1a28f9e1790a/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bbdebc2-b0a9-45e5-a461-1a28f9e1790a/bin/uautomizer-verify-LYvppIcaGC --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 19245e5542f28ce8a07a1858e0d4c05190b543a3d82e804c6a4eebc044c13d81 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-6497de0 [2024-11-23 23:32:33,782 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-23 23:32:33,924 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bbdebc2-b0a9-45e5-a461-1a28f9e1790a/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-11-23 23:32:33,935 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-23 23:32:33,938 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-23 23:32:33,983 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-23 23:32:33,984 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-23 23:32:33,985 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-23 23:32:33,985 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-23 23:32:33,985 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-23 23:32:33,986 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-23 23:32:33,986 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-23 23:32:33,986 INFO L153 SettingsManager]: * Use SBE=true [2024-11-23 23:32:33,987 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-23 23:32:33,987 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-23 23:32:33,987 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-23 23:32:33,987 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-23 23:32:33,987 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-23 23:32:33,988 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-23 23:32:33,988 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-23 23:32:33,988 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-23 23:32:33,988 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-23 23:32:33,988 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-11-23 23:32:33,989 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-23 23:32:33,989 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-23 23:32:33,989 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-23 23:32:33,989 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-23 23:32:33,989 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-23 23:32:33,989 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-23 23:32:33,990 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-23 23:32:33,990 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-23 23:32:33,990 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-23 23:32:33,990 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-23 23:32:33,990 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-23 23:32:33,990 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-23 23:32:33,990 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-23 23:32:33,990 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-23 23:32:33,990 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-23 23:32:33,991 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-23 23:32:33,991 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-23 23:32:33,991 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-23 23:32:33,991 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-23 23:32:33,991 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-23 23:32:33,991 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-23 23:32:33,991 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-23 23:32:33,991 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-23 23:32:33,991 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_7bbdebc2-b0a9-45e5-a461-1a28f9e1790a/bin/uautomizer-verify-LYvppIcaGC 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 -> 19245e5542f28ce8a07a1858e0d4c05190b543a3d82e804c6a4eebc044c13d81 [2024-11-23 23:32:34,453 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-23 23:32:34,468 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-23 23:32:34,475 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-23 23:32:34,479 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-23 23:32:34,479 INFO L274 PluginConnector]: CDTParser initialized [2024-11-23 23:32:34,483 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bbdebc2-b0a9-45e5-a461-1a28f9e1790a/bin/uautomizer-verify-LYvppIcaGC/../../sv-benchmarks/c/pthread-wmm/mix023_tso.i [2024-11-23 23:32:38,560 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bbdebc2-b0a9-45e5-a461-1a28f9e1790a/bin/uautomizer-verify-LYvppIcaGC/data/42b0883a2/fa49cc5b4d4541d7934c8134e5c6fb5f/FLAG6623a6c2a [2024-11-23 23:32:39,005 INFO L384 CDTParser]: Found 1 translation units. [2024-11-23 23:32:39,006 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bbdebc2-b0a9-45e5-a461-1a28f9e1790a/sv-benchmarks/c/pthread-wmm/mix023_tso.i [2024-11-23 23:32:39,040 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bbdebc2-b0a9-45e5-a461-1a28f9e1790a/bin/uautomizer-verify-LYvppIcaGC/data/42b0883a2/fa49cc5b4d4541d7934c8134e5c6fb5f/FLAG6623a6c2a [2024-11-23 23:32:39,064 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bbdebc2-b0a9-45e5-a461-1a28f9e1790a/bin/uautomizer-verify-LYvppIcaGC/data/42b0883a2/fa49cc5b4d4541d7934c8134e5c6fb5f [2024-11-23 23:32:39,067 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-23 23:32:39,069 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-23 23:32:39,070 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-23 23:32:39,070 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-23 23:32:39,075 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-23 23:32:39,076 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 11:32:39" (1/1) ... [2024-11-23 23:32:39,077 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2860b371 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:32:39, skipping insertion in model container [2024-11-23 23:32:39,077 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 11:32:39" (1/1) ... [2024-11-23 23:32:39,149 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-23 23:32:39,883 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-23 23:32:39,899 INFO L200 MainTranslator]: Completed pre-run [2024-11-23 23:32:40,044 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-23 23:32:40,095 INFO L204 MainTranslator]: Completed translation [2024-11-23 23:32:40,096 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:32:40 WrapperNode [2024-11-23 23:32:40,096 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-23 23:32:40,097 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-23 23:32:40,098 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-23 23:32:40,098 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-23 23:32:40,107 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:32:40" (1/1) ... [2024-11-23 23:32:40,165 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:32:40" (1/1) ... [2024-11-23 23:32:40,265 INFO L138 Inliner]: procedures = 176, calls = 57, calls flagged for inlining = 7, calls inlined = 9, statements flattened = 2855 [2024-11-23 23:32:40,265 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-23 23:32:40,266 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-23 23:32:40,266 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-23 23:32:40,267 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-23 23:32:40,277 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:32:40" (1/1) ... [2024-11-23 23:32:40,277 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:32:40" (1/1) ... [2024-11-23 23:32:40,289 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:32:40" (1/1) ... [2024-11-23 23:32:40,290 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:32:40" (1/1) ... [2024-11-23 23:32:40,391 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:32:40" (1/1) ... [2024-11-23 23:32:40,400 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:32:40" (1/1) ... [2024-11-23 23:32:40,436 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:32:40" (1/1) ... [2024-11-23 23:32:40,455 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:32:40" (1/1) ... [2024-11-23 23:32:40,470 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:32:40" (1/1) ... [2024-11-23 23:32:40,496 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-23 23:32:40,498 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-23 23:32:40,500 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-23 23:32:40,500 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-23 23:32:40,501 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:32:40" (1/1) ... [2024-11-23 23:32:40,510 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-23 23:32:40,528 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bbdebc2-b0a9-45e5-a461-1a28f9e1790a/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 23:32:40,549 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bbdebc2-b0a9-45e5-a461-1a28f9e1790a/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-23 23:32:40,555 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bbdebc2-b0a9-45e5-a461-1a28f9e1790a/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-23 23:32:40,595 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-11-23 23:32:40,595 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-23 23:32:40,595 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2024-11-23 23:32:40,595 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2024-11-23 23:32:40,596 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2024-11-23 23:32:40,596 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2024-11-23 23:32:40,596 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2024-11-23 23:32:40,596 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2024-11-23 23:32:40,596 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2024-11-23 23:32:40,596 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2024-11-23 23:32:40,596 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-23 23:32:40,596 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-11-23 23:32:40,597 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-23 23:32:40,597 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-23 23:32:40,601 WARN L203 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-23 23:32:41,072 INFO L234 CfgBuilder]: Building ICFG [2024-11-23 23:32:41,075 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-23 23:32:46,141 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-23 23:32:46,141 INFO L283 CfgBuilder]: Performing block encoding [2024-11-23 23:33:07,916 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-23 23:33:07,916 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-23 23:33:07,917 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 11:33:07 BoogieIcfgContainer [2024-11-23 23:33:07,917 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-23 23:33:07,919 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-23 23:33:07,920 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-23 23:33:07,925 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-23 23:33:07,925 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 11:32:39" (1/3) ... [2024-11-23 23:33:07,926 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6778898 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 11:33:07, skipping insertion in model container [2024-11-23 23:33:07,926 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:32:40" (2/3) ... [2024-11-23 23:33:07,926 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6778898 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 11:33:07, skipping insertion in model container [2024-11-23 23:33:07,926 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 11:33:07" (3/3) ... [2024-11-23 23:33:07,928 INFO L128 eAbstractionObserver]: Analyzing ICFG mix023_tso.i [2024-11-23 23:33:07,946 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-23 23:33:07,950 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG mix023_tso.i that has 5 procedures, 818 locations, 1 initial locations, 0 loop locations, and 669 error locations. [2024-11-23 23:33:07,952 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-23 23:33:08,533 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-11-23 23:33:08,606 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 830 places, 820 transitions, 1656 flow [2024-11-23 23:33:09,374 INFO L124 PetriNetUnfolderBase]: 3/816 cut-off events. [2024-11-23 23:33:09,379 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-23 23:33:09,445 INFO L83 FinitePrefix]: Finished finitePrefix Result has 829 conditions, 816 events. 3/816 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 196. Compared 6586 event pairs, 0 based on Foata normal form. 0/144 useless extension candidates. Maximal degree in co-relation 760. Up to 2 conditions per place. [2024-11-23 23:33:09,446 INFO L82 GeneralOperation]: Start removeDead. Operand has 830 places, 820 transitions, 1656 flow [2024-11-23 23:33:09,558 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 826 places, 816 transitions, 1644 flow [2024-11-23 23:33:09,573 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-23 23:33:09,598 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;@4f2c3b17, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-23 23:33:09,600 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1087 error locations. [2024-11-23 23:33:09,984 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-23 23:33:09,985 INFO L124 PetriNetUnfolderBase]: 0/64 cut-off events. [2024-11-23 23:33:09,986 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-23 23:33:09,986 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-23 23:33:09,987 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] [2024-11-23 23:33:09,987 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting P0Err0ASSERT_VIOLATIONDATA_RACE === [P0Err0ASSERT_VIOLATIONDATA_RACE, P0Err1ASSERT_VIOLATIONDATA_RACE, P0Err2ASSERT_VIOLATIONDATA_RACE, P0Err3ASSERT_VIOLATIONDATA_RACE (and 1083 more)] === [2024-11-23 23:33:09,994 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:33:09,995 INFO L85 PathProgramCache]: Analyzing trace with hash -2069319239, now seen corresponding path program 1 times [2024-11-23 23:33:10,004 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:33:10,005 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1812433203] [2024-11-23 23:33:10,005 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:33:10,006 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:33:10,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:33:10,487 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 23:33:10,488 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:33:10,488 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1812433203] [2024-11-23 23:33:10,489 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1812433203] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:33:10,490 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:33:10,493 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-11-23 23:33:10,495 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [606286036] [2024-11-23 23:33:10,496 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:33:10,508 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-23 23:33:10,515 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:33:10,549 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-23 23:33:10,550 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-23 23:33:10,555 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 124 out of 820 [2024-11-23 23:33:10,561 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 826 places, 816 transitions, 1644 flow. Second operand has 2 states, 2 states have (on average 125.0) internal successors, (250), 2 states have internal predecessors, (250), 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) [2024-11-23 23:33:10,562 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-23 23:33:10,563 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 124 of 820 [2024-11-23 23:33:10,565 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand