./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/weaver/popl20-simple-array-sum.wvr.c --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_c1b535fe-0ece-48a3-acb4-dc3fa4c17760/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1b535fe-0ece-48a3-acb4-dc3fa4c17760/bin/uautomizer-verify-84ZbGMXZE1/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1b535fe-0ece-48a3-acb4-dc3fa4c17760/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1b535fe-0ece-48a3-acb4-dc3fa4c17760/bin/uautomizer-verify-84ZbGMXZE1/config/AutomizerReach.xml -i ../../sv-benchmarks/c/weaver/popl20-simple-array-sum.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1b535fe-0ece-48a3-acb4-dc3fa4c17760/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1b535fe-0ece-48a3-acb4-dc3fa4c17760/bin/uautomizer-verify-84ZbGMXZE1 --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 0c7c5c48eda3eba87519854c38b7495ee97c35417d2a6e287791b53fe49d6c07 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-02 05:50:39,357 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-02 05:50:39,420 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1b535fe-0ece-48a3-acb4-dc3fa4c17760/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-12-02 05:50:39,426 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-02 05:50:39,426 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-12-02 05:50:39,449 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-02 05:50:39,449 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-12-02 05:50:39,449 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-12-02 05:50:39,450 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-02 05:50:39,450 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-12-02 05:50:39,450 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-02 05:50:39,450 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-02 05:50:39,450 INFO L153 SettingsManager]: * Use SBE=true [2024-12-02 05:50:39,451 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-02 05:50:39,451 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-02 05:50:39,451 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-02 05:50:39,451 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-02 05:50:39,451 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-02 05:50:39,451 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-02 05:50:39,451 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-02 05:50:39,451 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-02 05:50:39,451 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-02 05:50:39,451 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-12-02 05:50:39,451 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-12-02 05:50:39,452 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-02 05:50:39,452 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-02 05:50:39,452 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-02 05:50:39,452 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-02 05:50:39,452 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-12-02 05:50:39,452 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 05:50:39,452 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 05:50:39,452 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 05:50:39,452 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-02 05:50:39,452 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 05:50:39,453 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 05:50:39,453 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 05:50:39,453 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-02 05:50:39,453 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-02 05:50:39,453 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-12-02 05:50:39,453 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-02 05:50:39,453 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-12-02 05:50:39,453 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-02 05:50:39,453 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-12-02 05:50:39,453 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-12-02 05:50:39,453 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-12-02 05:50:39,453 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-12-02 05:50:39,454 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_c1b535fe-0ece-48a3-acb4-dc3fa4c17760/bin/uautomizer-verify-84ZbGMXZE1 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 -> 0c7c5c48eda3eba87519854c38b7495ee97c35417d2a6e287791b53fe49d6c07 [2024-12-02 05:50:39,716 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-02 05:50:39,725 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-02 05:50:39,728 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-02 05:50:39,729 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-02 05:50:39,730 INFO L274 PluginConnector]: CDTParser initialized [2024-12-02 05:50:39,731 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1b535fe-0ece-48a3-acb4-dc3fa4c17760/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/weaver/popl20-simple-array-sum.wvr.c [2024-12-02 05:50:42,466 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1b535fe-0ece-48a3-acb4-dc3fa4c17760/bin/uautomizer-verify-84ZbGMXZE1/data/1fde669a5/de7baecb7548494d81f9392364eb66f0/FLAGab3d67709 [2024-12-02 05:50:42,664 INFO L384 CDTParser]: Found 1 translation units. [2024-12-02 05:50:42,665 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1b535fe-0ece-48a3-acb4-dc3fa4c17760/sv-benchmarks/c/weaver/popl20-simple-array-sum.wvr.c [2024-12-02 05:50:42,671 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1b535fe-0ece-48a3-acb4-dc3fa4c17760/bin/uautomizer-verify-84ZbGMXZE1/data/1fde669a5/de7baecb7548494d81f9392364eb66f0/FLAGab3d67709 [2024-12-02 05:50:43,015 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1b535fe-0ece-48a3-acb4-dc3fa4c17760/bin/uautomizer-verify-84ZbGMXZE1/data/1fde669a5/de7baecb7548494d81f9392364eb66f0 [2024-12-02 05:50:43,018 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-02 05:50:43,019 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-02 05:50:43,020 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-02 05:50:43,020 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-02 05:50:43,023 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-02 05:50:43,024 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 05:50:43" (1/1) ... [2024-12-02 05:50:43,024 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@76b19d4c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:50:43, skipping insertion in model container [2024-12-02 05:50:43,025 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 05:50:43" (1/1) ... [2024-12-02 05:50:43,040 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-02 05:50:43,215 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 05:50:43,226 INFO L200 MainTranslator]: Completed pre-run [2024-12-02 05:50:43,250 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 05:50:43,266 INFO L204 MainTranslator]: Completed translation [2024-12-02 05:50:43,266 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:50:43 WrapperNode [2024-12-02 05:50:43,266 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-02 05:50:43,268 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-02 05:50:43,268 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-02 05:50:43,268 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-02 05:50:43,273 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:50:43" (1/1) ... [2024-12-02 05:50:43,279 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:50:43" (1/1) ... [2024-12-02 05:50:43,295 INFO L138 Inliner]: procedures = 23, calls = 21, calls flagged for inlining = 8, calls inlined = 10, statements flattened = 129 [2024-12-02 05:50:43,295 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-02 05:50:43,295 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-02 05:50:43,296 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-02 05:50:43,296 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-02 05:50:43,301 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:50:43" (1/1) ... [2024-12-02 05:50:43,301 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:50:43" (1/1) ... [2024-12-02 05:50:43,304 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:50:43" (1/1) ... [2024-12-02 05:50:43,304 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:50:43" (1/1) ... [2024-12-02 05:50:43,311 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:50:43" (1/1) ... [2024-12-02 05:50:43,312 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:50:43" (1/1) ... [2024-12-02 05:50:43,316 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:50:43" (1/1) ... [2024-12-02 05:50:43,318 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:50:43" (1/1) ... [2024-12-02 05:50:43,319 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:50:43" (1/1) ... [2024-12-02 05:50:43,322 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-02 05:50:43,323 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-02 05:50:43,323 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-02 05:50:43,323 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-02 05:50:43,324 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:50:43" (1/1) ... [2024-12-02 05:50:43,329 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 05:50:43,340 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1b535fe-0ece-48a3-acb4-dc3fa4c17760/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 05:50:43,353 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1b535fe-0ece-48a3-acb4-dc3fa4c17760/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-12-02 05:50:43,355 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1b535fe-0ece-48a3-acb4-dc3fa4c17760/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-12-02 05:50:43,380 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-02 05:50:43,381 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-12-02 05:50:43,381 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-12-02 05:50:43,381 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-12-02 05:50:43,381 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-12-02 05:50:43,381 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-12-02 05:50:43,381 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-12-02 05:50:43,381 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-02 05:50:43,381 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-12-02 05:50:43,381 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-12-02 05:50:43,381 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-02 05:50:43,381 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-02 05:50:43,381 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-12-02 05:50:43,383 WARN L203 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-12-02 05:50:43,468 INFO L234 CfgBuilder]: Building ICFG [2024-12-02 05:50:43,470 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-02 05:50:43,810 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-12-02 05:50:43,810 INFO L283 CfgBuilder]: Performing block encoding [2024-12-02 05:50:43,838 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-02 05:50:43,838 INFO L312 CfgBuilder]: Removed 5 assume(true) statements. [2024-12-02 05:50:43,839 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 05:50:43 BoogieIcfgContainer [2024-12-02 05:50:43,839 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-02 05:50:43,841 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-12-02 05:50:43,841 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-12-02 05:50:43,845 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-12-02 05:50:43,846 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 05:50:43" (1/3) ... [2024-12-02 05:50:43,846 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@12683f9d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 05:50:43, skipping insertion in model container [2024-12-02 05:50:43,846 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:50:43" (2/3) ... [2024-12-02 05:50:43,847 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@12683f9d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 05:50:43, skipping insertion in model container [2024-12-02 05:50:43,847 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 05:50:43" (3/3) ... [2024-12-02 05:50:43,848 INFO L128 eAbstractionObserver]: Analyzing ICFG popl20-simple-array-sum.wvr.c [2024-12-02 05:50:43,862 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-12-02 05:50:43,864 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG popl20-simple-array-sum.wvr.c that has 4 procedures, 228 locations, 1 initial locations, 5 loop locations, and 16 error locations. [2024-12-02 05:50:43,864 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-12-02 05:50:43,938 INFO L143 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2024-12-02 05:50:43,975 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 237 places, 243 transitions, 507 flow [2024-12-02 05:50:44,053 INFO L124 PetriNetUnfolderBase]: 16/240 cut-off events. [2024-12-02 05:50:44,056 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2024-12-02 05:50:44,063 INFO L83 FinitePrefix]: Finished finitePrefix Result has 253 conditions, 240 events. 16/240 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 294 event pairs, 0 based on Foata normal form. 0/208 useless extension candidates. Maximal degree in co-relation 193. Up to 3 conditions per place. [2024-12-02 05:50:44,063 INFO L82 GeneralOperation]: Start removeDead. Operand has 237 places, 243 transitions, 507 flow [2024-12-02 05:50:44,068 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 218 places, 223 transitions, 464 flow [2024-12-02 05:50:44,075 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-12-02 05:50:44,085 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;@71a058de, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-12-02 05:50:44,085 INFO L334 AbstractCegarLoop]: Starting to check reachability of 28 error locations. [2024-12-02 05:50:44,092 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-12-02 05:50:44,093 INFO L124 PetriNetUnfolderBase]: 0/22 cut-off events. [2024-12-02 05:50:44,093 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-12-02 05:50:44,093 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-12-02 05:50:44,093 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] [2024-12-02 05:50:44,094 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2024-12-02 05:50:44,099 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 05:50:44,099 INFO L85 PathProgramCache]: Analyzing trace with hash 1652152534, now seen corresponding path program 1 times [2024-12-02 05:50:44,105 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 05:50:44,105 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [626234965] [2024-12-02 05:50:44,106 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 05:50:44,106 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 05:50:44,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 05:50:44,253 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 05:50:44,253 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 05:50:44,253 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [626234965] [2024-12-02 05:50:44,254 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [626234965] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 05:50:44,254 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 05:50:44,254 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-12-02 05:50:44,255 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [298516898] [2024-12-02 05:50:44,256 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 05:50:44,261 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 05:50:44,265 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 05:50:44,280 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 05:50:44,280 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 05:50:44,345 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 209 out of 243 [2024-12-02 05:50:44,348 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 218 places, 223 transitions, 464 flow. Second operand has 3 states, 3 states have (on average 210.33333333333334) internal successors, (631), 3 states have internal predecessors, (631), 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) [2024-12-02 05:50:44,349 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-12-02 05:50:44,349 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 209 of 243 [2024-12-02 05:50:44,350 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-12-02 05:50:44,520 INFO L124 PetriNetUnfolderBase]: 114/739 cut-off events. [2024-12-02 05:50:44,521 INFO L125 PetriNetUnfolderBase]: For 62/62 co-relation queries the response was YES. [2024-12-02 05:50:44,526 INFO L83 FinitePrefix]: Finished finitePrefix Result has 975 conditions, 739 events. 114/739 cut-off events. For 62/62 co-relation queries the response was YES. Maximal size of possible extension queue 38. Compared 4141 event pairs, 78 based on Foata normal form. 6/626 useless extension candidates. Maximal degree in co-relation 775. Up to 182 conditions per place. [2024-12-02 05:50:44,530 INFO L140 encePairwiseOnDemand]: 231/243 looper letters, 19 selfloop transitions, 2 changer transitions 4/213 dead transitions. [2024-12-02 05:50:44,530 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 219 places, 213 transitions, 486 flow [2024-12-02 05:50:44,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 05:50:44,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-12-02 05:50:44,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 658 transitions. [2024-12-02 05:50:44,544 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9026063100137174 [2024-12-02 05:50:44,546 INFO L175 Difference]: Start difference. First operand has 218 places, 223 transitions, 464 flow. Second operand 3 states and 658 transitions. [2024-12-02 05:50:44,547 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 219 places, 213 transitions, 486 flow [2024-12-02 05:50:44,552 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 213 places, 213 transitions, 474 flow, removed 0 selfloop flow, removed 6 redundant places. [2024-12-02 05:50:44,556 INFO L231 Difference]: Finished difference. Result has 213 places, 209 transitions, 428 flow [2024-12-02 05:50:44,558 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=243, PETRI_DIFFERENCE_MINUEND_FLOW=432, PETRI_DIFFERENCE_MINUEND_PLACES=211, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=213, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=211, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=428, PETRI_PLACES=213, PETRI_TRANSITIONS=209} [2024-12-02 05:50:44,560 INFO L279 CegarLoopForPetriNet]: 218 programPoint places, -5 predicate places. [2024-12-02 05:50:44,561 INFO L471 AbstractCegarLoop]: Abstraction has has 213 places, 209 transitions, 428 flow [2024-12-02 05:50:44,561 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 210.33333333333334) internal successors, (631), 3 states have internal predecessors, (631), 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) [2024-12-02 05:50:44,561 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-12-02 05:50:44,561 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] [2024-12-02 05:50:44,562 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-12-02 05:50:44,562 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2024-12-02 05:50:44,562 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 05:50:44,562 INFO L85 PathProgramCache]: Analyzing trace with hash 1853369749, now seen corresponding path program 1 times [2024-12-02 05:50:44,563 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 05:50:44,563 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1812530969] [2024-12-02 05:50:44,563 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 05:50:44,563 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 05:50:44,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 05:50:44,614 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 05:50:44,614 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 05:50:44,614 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1812530969] [2024-12-02 05:50:44,614 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1812530969] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 05:50:44,614 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 05:50:44,614 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-12-02 05:50:44,614 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [335525647] [2024-12-02 05:50:44,614 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 05:50:44,615 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 05:50:44,616 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 05:50:44,616 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 05:50:44,616 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 05:50:44,661 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 203 out of 243 [2024-12-02 05:50:44,662 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 213 places, 209 transitions, 428 flow. Second operand has 3 states, 3 states have (on average 204.0) internal successors, (612), 3 states have internal predecessors, (612), 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) [2024-12-02 05:50:44,663 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-12-02 05:50:44,663 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 203 of 243 [2024-12-02 05:50:44,663 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-12-02 05:50:44,848 INFO L124 PetriNetUnfolderBase]: 272/1184 cut-off events. [2024-12-02 05:50:44,848 INFO L125 PetriNetUnfolderBase]: For 26/26 co-relation queries the response was YES. [2024-12-02 05:50:44,851 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1595 conditions, 1184 events. 272/1184 cut-off events. For 26/26 co-relation queries the response was YES. Maximal size of possible extension queue 60. Compared 7912 event pairs, 173 based on Foata normal form. 1/1011 useless extension candidates. Maximal degree in co-relation 1564. Up to 380 conditions per place. [2024-12-02 05:50:44,856 INFO L140 encePairwiseOnDemand]: 236/243 looper letters, 20 selfloop transitions, 1 changer transitions 2/203 dead transitions. [2024-12-02 05:50:44,856 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 205 places, 203 transitions, 460 flow [2024-12-02 05:50:44,856 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 05:50:44,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-12-02 05:50:44,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 637 transitions. [2024-12-02 05:50:44,858 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8737997256515775 [2024-12-02 05:50:44,858 INFO L175 Difference]: Start difference. First operand has 213 places, 209 transitions, 428 flow. Second operand 3 states and 637 transitions. [2024-12-02 05:50:44,858 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 205 places, 203 transitions, 460 flow [2024-12-02 05:50:44,860 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 203 places, 203 transitions, 456 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-12-02 05:50:44,862 INFO L231 Difference]: Finished difference. Result has 203 places, 201 transitions, 410 flow [2024-12-02 05:50:44,863 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=243, PETRI_DIFFERENCE_MINUEND_FLOW=412, PETRI_DIFFERENCE_MINUEND_PLACES=201, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=203, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=202, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=410, PETRI_PLACES=203, PETRI_TRANSITIONS=201} [2024-12-02 05:50:44,864 INFO L279 CegarLoopForPetriNet]: 218 programPoint places, -15 predicate places. [2024-12-02 05:50:44,864 INFO L471 AbstractCegarLoop]: Abstraction has has 203 places, 201 transitions, 410 flow [2024-12-02 05:50:44,864 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 204.0) internal successors, (612), 3 states have internal predecessors, (612), 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) [2024-12-02 05:50:44,864 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-12-02 05:50:44,864 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] [2024-12-02 05:50:44,864 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-12-02 05:50:44,865 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2024-12-02 05:50:44,865 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 05:50:44,865 INFO L85 PathProgramCache]: Analyzing trace with hash -476340702, now seen corresponding path program 1 times [2024-12-02 05:50:44,865 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 05:50:44,865 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1342563902] [2024-12-02 05:50:44,865 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 05:50:44,866 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 05:50:44,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 05:50:44,946 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 05:50:44,946 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 05:50:44,946 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1342563902] [2024-12-02 05:50:44,946 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1342563902] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 05:50:44,946 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 05:50:44,946 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-12-02 05:50:44,946 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [219445948] [2024-12-02 05:50:44,947 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 05:50:44,947 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 05:50:44,947 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 05:50:44,948 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 05:50:44,948 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 05:50:44,971 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 213 out of 243 [2024-12-02 05:50:44,972 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 203 places, 201 transitions, 410 flow. Second operand has 3 states, 3 states have (on average 214.33333333333334) internal successors, (643), 3 states have internal predecessors, (643), 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) [2024-12-02 05:50:44,973 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-12-02 05:50:44,973 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 213 of 243 [2024-12-02 05:50:44,973 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-12-02 05:50:45,088 INFO L124 PetriNetUnfolderBase]: 87/645 cut-off events. [2024-12-02 05:50:45,089 INFO L125 PetriNetUnfolderBase]: For 10/10 co-relation queries the response was YES. [2024-12-02 05:50:45,090 INFO L83 FinitePrefix]: Finished finitePrefix Result has 783 conditions, 645 events. 87/645 cut-off events. For 10/10 co-relation queries the response was YES. Maximal size of possible extension queue 30. Compared 3241 event pairs, 53 based on Foata normal form. 0/578 useless extension candidates. Maximal degree in co-relation 752. Up to 117 conditions per place. [2024-12-02 05:50:45,092 INFO L140 encePairwiseOnDemand]: 240/243 looper letters, 15 selfloop transitions, 2 changer transitions 0/200 dead transitions. [2024-12-02 05:50:45,092 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 202 places, 200 transitions, 442 flow [2024-12-02 05:50:45,092 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 05:50:45,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-12-02 05:50:45,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 657 transitions. [2024-12-02 05:50:45,094 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9012345679012346 [2024-12-02 05:50:45,094 INFO L175 Difference]: Start difference. First operand has 203 places, 201 transitions, 410 flow. Second operand 3 states and 657 transitions. [2024-12-02 05:50:45,094 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 202 places, 200 transitions, 442 flow [2024-12-02 05:50:45,096 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 201 places, 200 transitions, 441 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-12-02 05:50:45,097 INFO L231 Difference]: Finished difference. Result has 201 places, 200 transitions, 411 flow [2024-12-02 05:50:45,098 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=243, PETRI_DIFFERENCE_MINUEND_FLOW=407, PETRI_DIFFERENCE_MINUEND_PLACES=199, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=200, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=198, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=411, PETRI_PLACES=201, PETRI_TRANSITIONS=200} [2024-12-02 05:50:45,098 INFO L279 CegarLoopForPetriNet]: 218 programPoint places, -17 predicate places. [2024-12-02 05:50:45,098 INFO L471 AbstractCegarLoop]: Abstraction has has 201 places, 200 transitions, 411 flow [2024-12-02 05:50:45,099 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 214.33333333333334) internal successors, (643), 3 states have internal predecessors, (643), 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) [2024-12-02 05:50:45,099 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-12-02 05:50:45,099 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 05:50:45,099 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-12-02 05:50:45,099 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2024-12-02 05:50:45,100 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 05:50:45,100 INFO L85 PathProgramCache]: Analyzing trace with hash 1977834625, now seen corresponding path program 1 times [2024-12-02 05:50:45,100 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 05:50:45,100 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [221394959] [2024-12-02 05:50:45,100 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 05:50:45,101 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 05:50:45,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 05:50:45,188 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 05:50:45,188 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 05:50:45,188 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [221394959] [2024-12-02 05:50:45,189 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [221394959] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 05:50:45,189 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 05:50:45,189 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-12-02 05:50:45,189 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [185350993] [2024-12-02 05:50:45,189 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 05:50:45,190 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 05:50:45,190 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 05:50:45,190 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 05:50:45,190 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 05:50:45,210 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 213 out of 243 [2024-12-02 05:50:45,211 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 201 places, 200 transitions, 411 flow. Second operand has 3 states, 3 states have (on average 214.33333333333334) internal successors, (643), 3 states have internal predecessors, (643), 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) [2024-12-02 05:50:45,211 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-12-02 05:50:45,211 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 213 of 243 [2024-12-02 05:50:45,211 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-12-02 05:50:45,280 INFO L124 PetriNetUnfolderBase]: 74/490 cut-off events. [2024-12-02 05:50:45,280 INFO L125 PetriNetUnfolderBase]: For 15/15 co-relation queries the response was YES. [2024-12-02 05:50:45,282 INFO L83 FinitePrefix]: Finished finitePrefix Result has 627 conditions, 490 events. 74/490 cut-off events. For 15/15 co-relation queries the response was YES. Maximal size of possible extension queue 26. Compared 2123 event pairs, 53 based on Foata normal form. 0/446 useless extension candidates. Maximal degree in co-relation 596. Up to 119 conditions per place. [2024-12-02 05:50:45,283 INFO L140 encePairwiseOnDemand]: 240/243 looper letters, 15 selfloop transitions, 2 changer transitions 0/199 dead transitions. [2024-12-02 05:50:45,283 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 202 places, 199 transitions, 443 flow [2024-12-02 05:50:45,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 05:50:45,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-12-02 05:50:45,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 657 transitions. [2024-12-02 05:50:45,286 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9012345679012346 [2024-12-02 05:50:45,286 INFO L175 Difference]: Start difference. First operand has 201 places, 200 transitions, 411 flow. Second operand 3 states and 657 transitions. [2024-12-02 05:50:45,286 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 202 places, 199 transitions, 443 flow [2024-12-02 05:50:45,287 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 200 places, 199 transitions, 439 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-12-02 05:50:45,288 INFO L231 Difference]: Finished difference. Result has 200 places, 199 transitions, 409 flow [2024-12-02 05:50:45,289 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=243, PETRI_DIFFERENCE_MINUEND_FLOW=405, PETRI_DIFFERENCE_MINUEND_PLACES=198, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=199, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=197, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=409, PETRI_PLACES=200, PETRI_TRANSITIONS=199} [2024-12-02 05:50:45,289 INFO L279 CegarLoopForPetriNet]: 218 programPoint places, -18 predicate places. [2024-12-02 05:50:45,290 INFO L471 AbstractCegarLoop]: Abstraction has has 200 places, 199 transitions, 409 flow [2024-12-02 05:50:45,290 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 214.33333333333334) internal successors, (643), 3 states have internal predecessors, (643), 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) [2024-12-02 05:50:45,290 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-12-02 05:50:45,290 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 05:50:45,290 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-12-02 05:50:45,291 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting thread1Err1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2024-12-02 05:50:45,291 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 05:50:45,291 INFO L85 PathProgramCache]: Analyzing trace with hash 28057974, now seen corresponding path program 1 times [2024-12-02 05:50:45,292 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 05:50:45,292 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1426503993] [2024-12-02 05:50:45,292 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 05:50:45,292 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 05:50:45,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 05:50:45,370 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 05:50:45,370 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 05:50:45,371 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1426503993] [2024-12-02 05:50:45,371 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1426503993] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 05:50:45,371 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 05:50:45,371 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-12-02 05:50:45,371 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [714177407] [2024-12-02 05:50:45,371 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 05:50:45,372 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 05:50:45,372 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 05:50:45,372 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 05:50:45,373 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 05:50:45,390 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 215 out of 243 [2024-12-02 05:50:45,391 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 200 places, 199 transitions, 409 flow. Second operand has 3 states, 3 states have (on average 216.0) internal successors, (648), 3 states have internal predecessors, (648), 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) [2024-12-02 05:50:45,392 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-12-02 05:50:45,392 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 215 of 243 [2024-12-02 05:50:45,392 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-12-02 05:50:45,511 INFO L124 PetriNetUnfolderBase]: 118/787 cut-off events. [2024-12-02 05:50:45,511 INFO L125 PetriNetUnfolderBase]: For 14/14 co-relation queries the response was YES. [2024-12-02 05:50:45,514 INFO L83 FinitePrefix]: Finished finitePrefix Result has 983 conditions, 787 events. 118/787 cut-off events. For 14/14 co-relation queries the response was YES. Maximal size of possible extension queue 36. Compared 4385 event pairs, 36 based on Foata normal form. 1/687 useless extension candidates. Maximal degree in co-relation 953. Up to 97 conditions per place. [2024-12-02 05:50:45,518 INFO L140 encePairwiseOnDemand]: 238/243 looper letters, 15 selfloop transitions, 2 changer transitions 2/202 dead transitions. [2024-12-02 05:50:45,518 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 200 places, 202 transitions, 455 flow [2024-12-02 05:50:45,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 05:50:45,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-12-02 05:50:45,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 666 transitions. [2024-12-02 05:50:45,521 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9135802469135802 [2024-12-02 05:50:45,521 INFO L175 Difference]: Start difference. First operand has 200 places, 199 transitions, 409 flow. Second operand 3 states and 666 transitions. [2024-12-02 05:50:45,521 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 200 places, 202 transitions, 455 flow [2024-12-02 05:50:45,523 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 198 places, 202 transitions, 451 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-12-02 05:50:45,526 INFO L231 Difference]: Finished difference. Result has 198 places, 195 transitions, 400 flow [2024-12-02 05:50:45,526 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=243, PETRI_DIFFERENCE_MINUEND_FLOW=401, PETRI_DIFFERENCE_MINUEND_PLACES=196, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=197, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=195, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=400, PETRI_PLACES=198, PETRI_TRANSITIONS=195} [2024-12-02 05:50:45,527 INFO L279 CegarLoopForPetriNet]: 218 programPoint places, -20 predicate places. [2024-12-02 05:50:45,527 INFO L471 AbstractCegarLoop]: Abstraction has has 198 places, 195 transitions, 400 flow [2024-12-02 05:50:45,527 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 216.0) internal successors, (648), 3 states have internal predecessors, (648), 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) [2024-12-02 05:50:45,528 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-12-02 05:50:45,528 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 05:50:45,528 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-12-02 05:50:45,528 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting thread1Err2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2024-12-02 05:50:45,529 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 05:50:45,529 INFO L85 PathProgramCache]: Analyzing trace with hash 1193928888, now seen corresponding path program 1 times [2024-12-02 05:50:45,529 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 05:50:45,529 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1874840025] [2024-12-02 05:50:45,530 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 05:50:45,530 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 05:50:45,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 05:50:45,611 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 05:50:45,611 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 05:50:45,611 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1874840025] [2024-12-02 05:50:45,611 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1874840025] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 05:50:45,611 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 05:50:45,612 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-12-02 05:50:45,612 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [831603106] [2024-12-02 05:50:45,612 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 05:50:45,612 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 05:50:45,613 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 05:50:45,613 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 05:50:45,614 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 05:50:45,629 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 215 out of 243 [2024-12-02 05:50:45,631 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 198 places, 195 transitions, 400 flow. Second operand has 3 states, 3 states have (on average 216.33333333333334) internal successors, (649), 3 states have internal predecessors, (649), 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) [2024-12-02 05:50:45,631 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-12-02 05:50:45,631 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 215 of 243 [2024-12-02 05:50:45,631 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-12-02 05:50:45,770 INFO L124 PetriNetUnfolderBase]: 139/685 cut-off events. [2024-12-02 05:50:45,770 INFO L125 PetriNetUnfolderBase]: For 22/22 co-relation queries the response was YES. [2024-12-02 05:50:45,773 INFO L83 FinitePrefix]: Finished finitePrefix Result has 941 conditions, 685 events. 139/685 cut-off events. For 22/22 co-relation queries the response was YES. Maximal size of possible extension queue 38. Compared 3655 event pairs, 26 based on Foata normal form. 0/617 useless extension candidates. Maximal degree in co-relation 911. Up to 205 conditions per place. [2024-12-02 05:50:45,776 INFO L140 encePairwiseOnDemand]: 239/243 looper letters, 19 selfloop transitions, 2 changer transitions 0/200 dead transitions. [2024-12-02 05:50:45,777 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 196 places, 200 transitions, 456 flow [2024-12-02 05:50:45,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 05:50:45,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-12-02 05:50:45,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 668 transitions. [2024-12-02 05:50:45,780 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9163237311385459 [2024-12-02 05:50:45,780 INFO L175 Difference]: Start difference. First operand has 198 places, 195 transitions, 400 flow. Second operand 3 states and 668 transitions. [2024-12-02 05:50:45,780 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 196 places, 200 transitions, 456 flow [2024-12-02 05:50:45,782 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 194 places, 200 transitions, 452 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-12-02 05:50:45,785 INFO L231 Difference]: Finished difference. Result has 195 places, 195 transitions, 406 flow [2024-12-02 05:50:45,786 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=243, PETRI_DIFFERENCE_MINUEND_FLOW=392, PETRI_DIFFERENCE_MINUEND_PLACES=192, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=193, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=191, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=406, PETRI_PLACES=195, PETRI_TRANSITIONS=195} [2024-12-02 05:50:45,786 INFO L279 CegarLoopForPetriNet]: 218 programPoint places, -23 predicate places. [2024-12-02 05:50:45,786 INFO L471 AbstractCegarLoop]: Abstraction has has 195 places, 195 transitions, 406 flow [2024-12-02 05:50:45,787 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 216.33333333333334) internal successors, (649), 3 states have internal predecessors, (649), 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) [2024-12-02 05:50:45,787 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-12-02 05:50:45,787 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 05:50:45,788 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-12-02 05:50:45,788 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting thread2Err1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2024-12-02 05:50:45,788 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 05:50:45,789 INFO L85 PathProgramCache]: Analyzing trace with hash 1080606644, now seen corresponding path program 1 times [2024-12-02 05:50:45,789 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 05:50:45,789 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1333749890] [2024-12-02 05:50:45,789 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 05:50:45,789 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 05:50:45,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 05:50:45,869 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 05:50:45,870 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 05:50:45,870 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1333749890] [2024-12-02 05:50:45,870 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1333749890] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 05:50:45,870 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 05:50:45,870 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-12-02 05:50:45,870 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [792119463] [2024-12-02 05:50:45,870 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 05:50:45,871 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 05:50:45,871 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 05:50:45,872 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 05:50:45,872 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 05:50:45,891 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 215 out of 243 [2024-12-02 05:50:45,893 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 195 places, 195 transitions, 406 flow. Second operand has 3 states, 3 states have (on average 216.66666666666666) internal successors, (650), 3 states have internal predecessors, (650), 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) [2024-12-02 05:50:45,893 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-12-02 05:50:45,893 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 215 of 243 [2024-12-02 05:50:45,893 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-12-02 05:50:46,090 INFO L124 PetriNetUnfolderBase]: 244/1018 cut-off events. [2024-12-02 05:50:46,090 INFO L125 PetriNetUnfolderBase]: For 58/58 co-relation queries the response was YES. [2024-12-02 05:50:46,095 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1395 conditions, 1018 events. 244/1018 cut-off events. For 58/58 co-relation queries the response was YES. Maximal size of possible extension queue 53. Compared 6167 event pairs, 56 based on Foata normal form. 0/929 useless extension candidates. Maximal degree in co-relation 1365. Up to 311 conditions per place. [2024-12-02 05:50:46,100 INFO L140 encePairwiseOnDemand]: 239/243 looper letters, 18 selfloop transitions, 2 changer transitions 0/199 dead transitions. [2024-12-02 05:50:46,100 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 195 places, 199 transitions, 457 flow [2024-12-02 05:50:46,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 05:50:46,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-12-02 05:50:46,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 667 transitions. [2024-12-02 05:50:46,103 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9149519890260631 [2024-12-02 05:50:46,103 INFO L175 Difference]: Start difference. First operand has 195 places, 195 transitions, 406 flow. Second operand 3 states and 667 transitions. [2024-12-02 05:50:46,103 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 195 places, 199 transitions, 457 flow [2024-12-02 05:50:46,105 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 195 places, 199 transitions, 457 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-12-02 05:50:46,108 INFO L231 Difference]: Finished difference. Result has 196 places, 195 transitions, 416 flow [2024-12-02 05:50:46,108 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=243, PETRI_DIFFERENCE_MINUEND_FLOW=402, PETRI_DIFFERENCE_MINUEND_PLACES=193, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=193, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=191, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=416, PETRI_PLACES=196, PETRI_TRANSITIONS=195} [2024-12-02 05:50:46,109 INFO L279 CegarLoopForPetriNet]: 218 programPoint places, -22 predicate places. [2024-12-02 05:50:46,109 INFO L471 AbstractCegarLoop]: Abstraction has has 196 places, 195 transitions, 416 flow [2024-12-02 05:50:46,109 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 216.66666666666666) internal successors, (650), 3 states have internal predecessors, (650), 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) [2024-12-02 05:50:46,109 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-12-02 05:50:46,110 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 05:50:46,110 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-12-02 05:50:46,110 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting thread1Err3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2024-12-02 05:50:46,111 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 05:50:46,111 INFO L85 PathProgramCache]: Analyzing trace with hash 198950580, now seen corresponding path program 1 times [2024-12-02 05:50:46,111 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 05:50:46,111 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2107388157] [2024-12-02 05:50:46,111 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 05:50:46,111 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 05:50:46,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 05:50:46,185 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 05:50:46,185 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 05:50:46,185 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2107388157] [2024-12-02 05:50:46,185 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2107388157] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 05:50:46,186 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 05:50:46,186 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-12-02 05:50:46,186 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [811254106] [2024-12-02 05:50:46,186 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 05:50:46,186 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 05:50:46,187 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 05:50:46,187 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 05:50:46,187 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 05:50:46,206 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 215 out of 243 [2024-12-02 05:50:46,208 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 196 places, 195 transitions, 416 flow. Second operand has 3 states, 3 states have (on average 217.0) internal successors, (651), 3 states have internal predecessors, (651), 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) [2024-12-02 05:50:46,208 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-12-02 05:50:46,208 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 215 of 243 [2024-12-02 05:50:46,208 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-12-02 05:50:46,369 INFO L124 PetriNetUnfolderBase]: 190/947 cut-off events. [2024-12-02 05:50:46,369 INFO L125 PetriNetUnfolderBase]: For 16/16 co-relation queries the response was YES. [2024-12-02 05:50:46,373 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1325 conditions, 947 events. 190/947 cut-off events. For 16/16 co-relation queries the response was YES. Maximal size of possible extension queue 53. Compared 6040 event pairs, 89 based on Foata normal form. 0/865 useless extension candidates. Maximal degree in co-relation 1294. Up to 197 conditions per place. [2024-12-02 05:50:46,373 INFO L140 encePairwiseOnDemand]: 240/243 looper letters, 0 selfloop transitions, 0 changer transitions 199/199 dead transitions. [2024-12-02 05:50:46,373 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 197 places, 199 transitions, 464 flow [2024-12-02 05:50:46,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 05:50:46,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-12-02 05:50:46,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 665 transitions. [2024-12-02 05:50:46,375 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9122085048010974 [2024-12-02 05:50:46,375 INFO L175 Difference]: Start difference. First operand has 196 places, 195 transitions, 416 flow. Second operand 3 states and 665 transitions. [2024-12-02 05:50:46,376 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 197 places, 199 transitions, 464 flow [2024-12-02 05:50:46,377 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 197 places, 199 transitions, 464 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-12-02 05:50:46,378 INFO L231 Difference]: Finished difference. Result has 197 places, 0 transitions, 0 flow [2024-12-02 05:50:46,378 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=243, PETRI_DIFFERENCE_MINUEND_FLOW=414, PETRI_DIFFERENCE_MINUEND_PLACES=195, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=194, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=194, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=197, PETRI_TRANSITIONS=0} [2024-12-02 05:50:46,379 INFO L279 CegarLoopForPetriNet]: 218 programPoint places, -21 predicate places. [2024-12-02 05:50:46,379 INFO L471 AbstractCegarLoop]: Abstraction has has 197 places, 0 transitions, 0 flow [2024-12-02 05:50:46,379 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 217.0) internal successors, (651), 3 states have internal predecessors, (651), 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) [2024-12-02 05:50:46,382 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (27 of 28 remaining) [2024-12-02 05:50:46,382 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (26 of 28 remaining) [2024-12-02 05:50:46,382 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (25 of 28 remaining) [2024-12-02 05:50:46,383 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (24 of 28 remaining) [2024-12-02 05:50:46,383 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (23 of 28 remaining) [2024-12-02 05:50:46,383 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (22 of 28 remaining) [2024-12-02 05:50:46,383 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (21 of 28 remaining) [2024-12-02 05:50:46,383 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (20 of 28 remaining) [2024-12-02 05:50:46,383 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (19 of 28 remaining) [2024-12-02 05:50:46,383 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (18 of 28 remaining) [2024-12-02 05:50:46,383 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (17 of 28 remaining) [2024-12-02 05:50:46,384 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (16 of 28 remaining) [2024-12-02 05:50:46,384 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (15 of 28 remaining) [2024-12-02 05:50:46,384 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (14 of 28 remaining) [2024-12-02 05:50:46,384 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (13 of 28 remaining) [2024-12-02 05:50:46,384 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (12 of 28 remaining) [2024-12-02 05:50:46,384 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (11 of 28 remaining) [2024-12-02 05:50:46,384 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (10 of 28 remaining) [2024-12-02 05:50:46,384 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (9 of 28 remaining) [2024-12-02 05:50:46,384 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (8 of 28 remaining) [2024-12-02 05:50:46,385 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (7 of 28 remaining) [2024-12-02 05:50:46,385 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (6 of 28 remaining) [2024-12-02 05:50:46,385 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (5 of 28 remaining) [2024-12-02 05:50:46,385 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (4 of 28 remaining) [2024-12-02 05:50:46,385 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (3 of 28 remaining) [2024-12-02 05:50:46,385 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (2 of 28 remaining) [2024-12-02 05:50:46,385 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (1 of 28 remaining) [2024-12-02 05:50:46,385 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (0 of 28 remaining) [2024-12-02 05:50:46,386 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-12-02 05:50:46,386 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 05:50:46,392 INFO L241 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-12-02 05:50:46,392 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-12-02 05:50:46,397 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 05:50:46 BasicIcfg [2024-12-02 05:50:46,397 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-12-02 05:50:46,398 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-02 05:50:46,398 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-02 05:50:46,398 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-02 05:50:46,399 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 05:50:43" (3/4) ... [2024-12-02 05:50:46,401 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-12-02 05:50:46,404 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2024-12-02 05:50:46,404 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2024-12-02 05:50:46,404 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread3 [2024-12-02 05:50:46,409 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2024-12-02 05:50:46,409 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-12-02 05:50:46,409 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-12-02 05:50:46,410 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-12-02 05:50:46,490 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1b535fe-0ece-48a3-acb4-dc3fa4c17760/bin/uautomizer-verify-84ZbGMXZE1/witness.graphml [2024-12-02 05:50:46,490 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1b535fe-0ece-48a3-acb4-dc3fa4c17760/bin/uautomizer-verify-84ZbGMXZE1/witness.yml [2024-12-02 05:50:46,490 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-02 05:50:46,491 INFO L158 Benchmark]: Toolchain (without parser) took 3471.82ms. Allocated memory was 142.6MB in the beginning and 285.2MB in the end (delta: 142.6MB). Free memory was 115.8MB in the beginning and 226.5MB in the end (delta: -110.8MB). Peak memory consumption was 27.5MB. Max. memory is 16.1GB. [2024-12-02 05:50:46,492 INFO L158 Benchmark]: CDTParser took 0.38ms. Allocated memory is still 142.6MB. Free memory is still 82.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 05:50:46,492 INFO L158 Benchmark]: CACSL2BoogieTranslator took 247.09ms. Allocated memory is still 142.6MB. Free memory was 115.8MB in the beginning and 103.5MB in the end (delta: 12.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-02 05:50:46,492 INFO L158 Benchmark]: Boogie Procedure Inliner took 27.46ms. Allocated memory is still 142.6MB. Free memory was 103.5MB in the beginning and 102.0MB in the end (delta: 1.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-02 05:50:46,492 INFO L158 Benchmark]: Boogie Preprocessor took 26.61ms. Allocated memory is still 142.6MB. Free memory was 102.0MB in the beginning and 100.7MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 05:50:46,493 INFO L158 Benchmark]: RCFGBuilder took 516.14ms. Allocated memory is still 142.6MB. Free memory was 100.7MB in the beginning and 80.1MB in the end (delta: 20.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-02 05:50:46,493 INFO L158 Benchmark]: TraceAbstraction took 2556.65ms. Allocated memory was 142.6MB in the beginning and 285.2MB in the end (delta: 142.6MB). Free memory was 79.6MB in the beginning and 232.0MB in the end (delta: -152.3MB). Peak memory consumption was 136.6MB. Max. memory is 16.1GB. [2024-12-02 05:50:46,493 INFO L158 Benchmark]: Witness Printer took 92.41ms. Allocated memory is still 285.2MB. Free memory was 232.0MB in the beginning and 226.5MB in the end (delta: 5.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 05:50:46,495 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.38ms. Allocated memory is still 142.6MB. Free memory is still 82.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 247.09ms. Allocated memory is still 142.6MB. Free memory was 115.8MB in the beginning and 103.5MB in the end (delta: 12.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 27.46ms. Allocated memory is still 142.6MB. Free memory was 103.5MB in the beginning and 102.0MB in the end (delta: 1.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 26.61ms. Allocated memory is still 142.6MB. Free memory was 102.0MB in the beginning and 100.7MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 516.14ms. Allocated memory is still 142.6MB. Free memory was 100.7MB in the beginning and 80.1MB in the end (delta: 20.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 2556.65ms. Allocated memory was 142.6MB in the beginning and 285.2MB in the end (delta: 142.6MB). Free memory was 79.6MB in the beginning and 232.0MB in the end (delta: -152.3MB). Peak memory consumption was 136.6MB. Max. memory is 16.1GB. * Witness Printer took 92.41ms. Allocated memory is still 285.2MB. Free memory was 232.0MB in the beginning and 226.5MB in the end (delta: 5.4MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 51]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 51]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 51]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 58]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 59]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 59]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 68]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 70]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 81]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 82]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 82]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 83]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 83]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 93]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 93]: 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 7 procedures, 300 locations, 28 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: 2.4s, OverallIterations: 8, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 216 SdHoareTripleChecker+Valid, 0.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 81 mSDsluCounter, 68 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 33 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 290 IncrementalHoareTripleChecker+Invalid, 323 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 33 mSolverCounterUnsat, 68 mSDtfsCounter, 290 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 16 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=464occurred in iteration=0, InterpolantAutomatonStates: 24, 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, 0.4s InterpolantComputationTime, 629 NumberOfCodeBlocks, 629 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 621 ConstructedInterpolants, 0 QuantifiedInterpolants, 637 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 8 InterpolantComputations, 8 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 16 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-12-02 05:50:46,514 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1b535fe-0ece-48a3-acb4-dc3fa4c17760/bin/uautomizer-verify-84ZbGMXZE1/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