./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/weaver/popl20-more-array-sum2.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_f30c5d89-b359-403e-93ae-647e55198b72/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f30c5d89-b359-403e-93ae-647e55198b72/bin/uautomizer-verify-aQ6SnzHsRB/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f30c5d89-b359-403e-93ae-647e55198b72/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f30c5d89-b359-403e-93ae-647e55198b72/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerReach.xml -i ../../sv-benchmarks/c/weaver/popl20-more-array-sum2.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f30c5d89-b359-403e-93ae-647e55198b72/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f30c5d89-b359-403e-93ae-647e55198b72/bin/uautomizer-verify-aQ6SnzHsRB --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! data-race) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 6d47c8696b49948f6f8f53dd9eda6f4e0281717fd9a29e264a19ded5493fa577 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-28 02:57:33,737 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-28 02:57:33,807 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f30c5d89-b359-403e-93ae-647e55198b72/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-11-28 02:57:33,813 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-28 02:57:33,814 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-28 02:57:33,849 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-28 02:57:33,850 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-28 02:57:33,850 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-28 02:57:33,850 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-28 02:57:33,851 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-28 02:57:33,851 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-28 02:57:33,851 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-28 02:57:33,852 INFO L153 SettingsManager]: * Use SBE=true [2024-11-28 02:57:33,852 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-28 02:57:33,852 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-28 02:57:33,852 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-28 02:57:33,852 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-28 02:57:33,853 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-28 02:57:33,853 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-28 02:57:33,853 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-28 02:57:33,853 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-28 02:57:33,853 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-28 02:57:33,853 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-11-28 02:57:33,854 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-28 02:57:33,854 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-28 02:57:33,854 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-28 02:57:33,854 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-28 02:57:33,854 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-28 02:57:33,855 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-28 02:57:33,855 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 02:57:33,855 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 02:57:33,855 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 02:57:33,855 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-28 02:57:33,855 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 02:57:33,855 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 02:57:33,856 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 02:57:33,856 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-28 02:57:33,856 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-28 02:57:33,856 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-28 02:57:33,856 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-28 02:57:33,856 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-28 02:57:33,857 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-28 02:57:33,857 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-28 02:57:33,857 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-28 02:57:33,857 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-28 02:57:33,857 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-28 02:57:33,857 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_f30c5d89-b359-403e-93ae-647e55198b72/bin/uautomizer-verify-aQ6SnzHsRB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6d47c8696b49948f6f8f53dd9eda6f4e0281717fd9a29e264a19ded5493fa577 [2024-11-28 02:57:34,238 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-28 02:57:34,255 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-28 02:57:34,258 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-28 02:57:34,261 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-28 02:57:34,261 INFO L274 PluginConnector]: CDTParser initialized [2024-11-28 02:57:34,264 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f30c5d89-b359-403e-93ae-647e55198b72/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/weaver/popl20-more-array-sum2.wvr.c [2024-11-28 02:57:37,728 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f30c5d89-b359-403e-93ae-647e55198b72/bin/uautomizer-verify-aQ6SnzHsRB/data/c3ba8d4c8/a9261a9b766e477c899e9be0d9105b1a/FLAGc037e0602 [2024-11-28 02:57:38,095 INFO L384 CDTParser]: Found 1 translation units. [2024-11-28 02:57:38,096 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f30c5d89-b359-403e-93ae-647e55198b72/sv-benchmarks/c/weaver/popl20-more-array-sum2.wvr.c [2024-11-28 02:57:38,107 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f30c5d89-b359-403e-93ae-647e55198b72/bin/uautomizer-verify-aQ6SnzHsRB/data/c3ba8d4c8/a9261a9b766e477c899e9be0d9105b1a/FLAGc037e0602 [2024-11-28 02:57:38,134 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f30c5d89-b359-403e-93ae-647e55198b72/bin/uautomizer-verify-aQ6SnzHsRB/data/c3ba8d4c8/a9261a9b766e477c899e9be0d9105b1a [2024-11-28 02:57:38,138 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-28 02:57:38,141 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-28 02:57:38,144 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-28 02:57:38,145 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-28 02:57:38,152 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-28 02:57:38,153 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 02:57:38" (1/1) ... [2024-11-28 02:57:38,156 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7e9e8e37 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:57:38, skipping insertion in model container [2024-11-28 02:57:38,156 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 02:57:38" (1/1) ... [2024-11-28 02:57:38,185 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-28 02:57:38,520 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 02:57:38,541 INFO L200 MainTranslator]: Completed pre-run [2024-11-28 02:57:38,615 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 02:57:38,638 INFO L204 MainTranslator]: Completed translation [2024-11-28 02:57:38,639 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:57:38 WrapperNode [2024-11-28 02:57:38,639 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-28 02:57:38,640 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-28 02:57:38,640 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-28 02:57:38,640 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-28 02:57:38,652 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:57:38" (1/1) ... [2024-11-28 02:57:38,670 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:57:38" (1/1) ... [2024-11-28 02:57:38,748 INFO L138 Inliner]: procedures = 24, calls = 38, calls flagged for inlining = 17, calls inlined = 29, statements flattened = 377 [2024-11-28 02:57:38,752 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-28 02:57:38,752 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-28 02:57:38,753 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-28 02:57:38,753 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-28 02:57:38,763 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:57:38" (1/1) ... [2024-11-28 02:57:38,764 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:57:38" (1/1) ... [2024-11-28 02:57:38,777 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:57:38" (1/1) ... [2024-11-28 02:57:38,781 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:57:38" (1/1) ... [2024-11-28 02:57:38,816 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:57:38" (1/1) ... [2024-11-28 02:57:38,822 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:57:38" (1/1) ... [2024-11-28 02:57:38,836 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:57:38" (1/1) ... [2024-11-28 02:57:38,838 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:57:38" (1/1) ... [2024-11-28 02:57:38,843 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:57:38" (1/1) ... [2024-11-28 02:57:38,852 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-28 02:57:38,856 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-28 02:57:38,856 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-28 02:57:38,857 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-28 02:57:38,858 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:57:38" (1/1) ... [2024-11-28 02:57:38,869 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 02:57:38,885 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f30c5d89-b359-403e-93ae-647e55198b72/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:57:38,902 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f30c5d89-b359-403e-93ae-647e55198b72/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-28 02:57:38,908 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f30c5d89-b359-403e-93ae-647e55198b72/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-28 02:57:38,948 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-28 02:57:38,948 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-11-28 02:57:38,948 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-11-28 02:57:38,949 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-11-28 02:57:38,949 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-11-28 02:57:38,949 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-11-28 02:57:38,949 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-11-28 02:57:38,949 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-28 02:57:38,949 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-28 02:57:38,949 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-11-28 02:57:38,949 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-11-28 02:57:38,949 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-28 02:57:38,949 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-28 02:57:38,949 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-28 02:57:38,949 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-28 02:57:38,953 WARN L203 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-28 02:57:39,149 INFO L234 CfgBuilder]: Building ICFG [2024-11-28 02:57:39,151 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-28 02:57:40,230 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-28 02:57:40,233 INFO L283 CfgBuilder]: Performing block encoding [2024-11-28 02:57:40,978 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-28 02:57:40,979 INFO L312 CfgBuilder]: Removed 5 assume(true) statements. [2024-11-28 02:57:40,979 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:57:40 BoogieIcfgContainer [2024-11-28 02:57:40,979 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-28 02:57:40,986 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-28 02:57:40,986 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-28 02:57:40,992 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-28 02:57:40,993 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 02:57:38" (1/3) ... [2024-11-28 02:57:40,995 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@77cab30f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 02:57:40, skipping insertion in model container [2024-11-28 02:57:40,995 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:57:38" (2/3) ... [2024-11-28 02:57:40,997 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@77cab30f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 02:57:40, skipping insertion in model container [2024-11-28 02:57:40,997 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:57:40" (3/3) ... [2024-11-28 02:57:40,999 INFO L128 eAbstractionObserver]: Analyzing ICFG popl20-more-array-sum2.wvr.c [2024-11-28 02:57:41,022 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-28 02:57:41,024 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG popl20-more-array-sum2.wvr.c that has 4 procedures, 267 locations, 1 initial locations, 5 loop locations, and 35 error locations. [2024-11-28 02:57:41,025 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-28 02:57:41,166 INFO L143 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2024-11-28 02:57:41,236 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 276 places, 283 transitions, 587 flow [2024-11-28 02:57:41,371 INFO L124 PetriNetUnfolderBase]: 17/280 cut-off events. [2024-11-28 02:57:41,373 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2024-11-28 02:57:41,381 INFO L83 FinitePrefix]: Finished finitePrefix Result has 293 conditions, 280 events. 17/280 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 323 event pairs, 0 based on Foata normal form. 0/228 useless extension candidates. Maximal degree in co-relation 232. Up to 2 conditions per place. [2024-11-28 02:57:41,381 INFO L82 GeneralOperation]: Start removeDead. Operand has 276 places, 283 transitions, 587 flow [2024-11-28 02:57:41,389 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 257 places, 263 transitions, 544 flow [2024-11-28 02:57:41,399 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-28 02:57:41,420 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;@16ba3117, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-28 02:57:41,421 INFO L334 AbstractCegarLoop]: Starting to check reachability of 60 error locations. [2024-11-28 02:57:41,430 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-28 02:57:41,430 INFO L124 PetriNetUnfolderBase]: 0/22 cut-off events. [2024-11-28 02:57:41,430 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-28 02:57:41,430 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 02:57:41,431 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] [2024-11-28 02:57:41,432 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 56 more)] === [2024-11-28 02:57:41,438 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:57:41,439 INFO L85 PathProgramCache]: Analyzing trace with hash 1286455060, now seen corresponding path program 1 times [2024-11-28 02:57:41,448 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:57:41,449 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [183889901] [2024-11-28 02:57:41,449 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:57:41,450 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:57:41,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:57:41,675 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 02:57:41,676 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:57:41,676 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [183889901] [2024-11-28 02:57:41,677 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [183889901] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:57:41,677 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:57:41,678 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 02:57:41,679 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [3031873] [2024-11-28 02:57:41,680 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:57:41,693 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 02:57:41,701 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:57:41,735 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 02:57:41,736 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 02:57:41,801 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 233 out of 283 [2024-11-28 02:57:41,809 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 257 places, 263 transitions, 544 flow. Second operand has 3 states, 3 states have (on average 234.33333333333334) internal successors, (703), 3 states have internal predecessors, (703), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:57:41,809 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 02:57:41,810 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 233 of 283 [2024-11-28 02:57:41,815 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 02:57:42,184 INFO L124 PetriNetUnfolderBase]: 59/469 cut-off events. [2024-11-28 02:57:42,184 INFO L125 PetriNetUnfolderBase]: For 48/48 co-relation queries the response was YES. [2024-11-28 02:57:42,189 INFO L83 FinitePrefix]: Finished finitePrefix Result has 598 conditions, 469 events. 59/469 cut-off events. For 48/48 co-relation queries the response was YES. Maximal size of possible extension queue 22. Compared 1648 event pairs, 38 based on Foata normal form. 30/436 useless extension candidates. Maximal degree in co-relation 272. Up to 92 conditions per place. [2024-11-28 02:57:42,197 INFO L140 encePairwiseOnDemand]: 252/283 looper letters, 16 selfloop transitions, 2 changer transitions 5/234 dead transitions. [2024-11-28 02:57:42,198 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 240 places, 234 transitions, 522 flow [2024-11-28 02:57:42,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 02:57:42,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 02:57:42,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 746 transitions. [2024-11-28 02:57:42,226 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8786808009422851 [2024-11-28 02:57:42,228 INFO L175 Difference]: Start difference. First operand has 257 places, 263 transitions, 544 flow. Second operand 3 states and 746 transitions. [2024-11-28 02:57:42,229 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 240 places, 234 transitions, 522 flow [2024-11-28 02:57:42,237 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 234 places, 234 transitions, 510 flow, removed 0 selfloop flow, removed 6 redundant places. [2024-11-28 02:57:42,248 INFO L231 Difference]: Finished difference. Result has 234 places, 229 transitions, 468 flow [2024-11-28 02:57:42,252 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=283, PETRI_DIFFERENCE_MINUEND_FLOW=474, PETRI_DIFFERENCE_MINUEND_PLACES=232, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=234, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=232, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=468, PETRI_PLACES=234, PETRI_TRANSITIONS=229} [2024-11-28 02:57:42,258 INFO L279 CegarLoopForPetriNet]: 257 programPoint places, -23 predicate places. [2024-11-28 02:57:42,258 INFO L471 AbstractCegarLoop]: Abstraction has has 234 places, 229 transitions, 468 flow [2024-11-28 02:57:42,259 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 234.33333333333334) internal successors, (703), 3 states have internal predecessors, (703), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:57:42,259 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 02:57:42,259 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] [2024-11-28 02:57:42,261 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-28 02:57:42,262 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 56 more)] === [2024-11-28 02:57:42,263 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:57:42,263 INFO L85 PathProgramCache]: Analyzing trace with hash 1584630671, now seen corresponding path program 1 times [2024-11-28 02:57:42,263 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:57:42,263 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [128470003] [2024-11-28 02:57:42,263 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:57:42,263 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:57:42,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:57:42,397 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 02:57:42,397 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:57:42,397 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [128470003] [2024-11-28 02:57:42,397 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [128470003] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:57:42,397 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:57:42,398 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 02:57:42,398 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [212802901] [2024-11-28 02:57:42,398 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:57:42,402 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 02:57:42,403 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:57:42,403 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 02:57:42,403 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 02:57:42,492 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 232 out of 283 [2024-11-28 02:57:42,494 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 234 places, 229 transitions, 468 flow. Second operand has 3 states, 3 states have (on average 233.33333333333334) internal successors, (700), 3 states have internal predecessors, (700), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:57:42,494 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 02:57:42,494 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 232 of 283 [2024-11-28 02:57:42,494 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 02:57:42,769 INFO L124 PetriNetUnfolderBase]: 63/493 cut-off events. [2024-11-28 02:57:42,770 INFO L125 PetriNetUnfolderBase]: For 9/9 co-relation queries the response was YES. [2024-11-28 02:57:42,773 INFO L83 FinitePrefix]: Finished finitePrefix Result has 610 conditions, 493 events. 63/493 cut-off events. For 9/9 co-relation queries the response was YES. Maximal size of possible extension queue 17. Compared 1700 event pairs, 34 based on Foata normal form. 0/435 useless extension candidates. Maximal degree in co-relation 579. Up to 101 conditions per place. [2024-11-28 02:57:42,779 INFO L140 encePairwiseOnDemand]: 280/283 looper letters, 17 selfloop transitions, 2 changer transitions 0/228 dead transitions. [2024-11-28 02:57:42,779 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 230 places, 228 transitions, 504 flow [2024-11-28 02:57:42,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 02:57:42,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 02:57:42,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 716 transitions. [2024-11-28 02:57:42,784 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8433451118963486 [2024-11-28 02:57:42,788 INFO L175 Difference]: Start difference. First operand has 234 places, 229 transitions, 468 flow. Second operand 3 states and 716 transitions. [2024-11-28 02:57:42,789 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 230 places, 228 transitions, 504 flow [2024-11-28 02:57:42,791 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 228 places, 228 transitions, 500 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-28 02:57:42,800 INFO L231 Difference]: Finished difference. Result has 228 places, 228 transitions, 466 flow [2024-11-28 02:57:42,804 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=283, PETRI_DIFFERENCE_MINUEND_FLOW=462, PETRI_DIFFERENCE_MINUEND_PLACES=226, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=228, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=226, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=466, PETRI_PLACES=228, PETRI_TRANSITIONS=228} [2024-11-28 02:57:42,805 INFO L279 CegarLoopForPetriNet]: 257 programPoint places, -29 predicate places. [2024-11-28 02:57:42,805 INFO L471 AbstractCegarLoop]: Abstraction has has 228 places, 228 transitions, 466 flow [2024-11-28 02:57:42,806 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 233.33333333333334) internal successors, (700), 3 states have internal predecessors, (700), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:57:42,807 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 02:57:42,807 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] [2024-11-28 02:57:42,807 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-28 02:57:42,808 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 56 more)] === [2024-11-28 02:57:42,809 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:57:42,809 INFO L85 PathProgramCache]: Analyzing trace with hash -1648050713, now seen corresponding path program 1 times [2024-11-28 02:57:42,810 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:57:42,810 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [253919595] [2024-11-28 02:57:42,810 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:57:42,810 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:57:42,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:57:42,922 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 02:57:42,924 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:57:42,924 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [253919595] [2024-11-28 02:57:42,924 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [253919595] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:57:42,925 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:57:42,925 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 02:57:42,925 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [377459564] [2024-11-28 02:57:42,925 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:57:42,926 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 02:57:42,926 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:57:42,926 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 02:57:42,926 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 02:57:42,974 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 228 out of 283 [2024-11-28 02:57:42,976 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 228 places, 228 transitions, 466 flow. Second operand has 3 states, 3 states have (on average 229.0) internal successors, (687), 3 states have internal predecessors, (687), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:57:42,979 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 02:57:42,979 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 228 of 283 [2024-11-28 02:57:42,979 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 02:57:43,221 INFO L124 PetriNetUnfolderBase]: 109/584 cut-off events. [2024-11-28 02:57:43,221 INFO L125 PetriNetUnfolderBase]: For 15/15 co-relation queries the response was YES. [2024-11-28 02:57:43,223 INFO L83 FinitePrefix]: Finished finitePrefix Result has 769 conditions, 584 events. 109/584 cut-off events. For 15/15 co-relation queries the response was YES. Maximal size of possible extension queue 29. Compared 2464 event pairs, 59 based on Foata normal form. 0/513 useless extension candidates. Maximal degree in co-relation 730. Up to 166 conditions per place. [2024-11-28 02:57:43,228 INFO L140 encePairwiseOnDemand]: 277/283 looper letters, 19 selfloop transitions, 1 changer transitions 0/223 dead transitions. [2024-11-28 02:57:43,228 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 225 places, 223 transitions, 496 flow [2024-11-28 02:57:43,229 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 02:57:43,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 02:57:43,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 709 transitions. [2024-11-28 02:57:43,234 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8351001177856302 [2024-11-28 02:57:43,235 INFO L175 Difference]: Start difference. First operand has 228 places, 228 transitions, 466 flow. Second operand 3 states and 709 transitions. [2024-11-28 02:57:43,235 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 225 places, 223 transitions, 496 flow [2024-11-28 02:57:43,240 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 223 places, 223 transitions, 492 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-28 02:57:43,246 INFO L231 Difference]: Finished difference. Result has 223 places, 223 transitions, 454 flow [2024-11-28 02:57:43,248 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=283, PETRI_DIFFERENCE_MINUEND_FLOW=452, PETRI_DIFFERENCE_MINUEND_PLACES=221, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=223, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=222, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=454, PETRI_PLACES=223, PETRI_TRANSITIONS=223} [2024-11-28 02:57:43,250 INFO L279 CegarLoopForPetriNet]: 257 programPoint places, -34 predicate places. [2024-11-28 02:57:43,250 INFO L471 AbstractCegarLoop]: Abstraction has has 223 places, 223 transitions, 454 flow [2024-11-28 02:57:43,251 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 229.0) internal successors, (687), 3 states have internal predecessors, (687), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:57:43,251 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 02:57:43,251 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] [2024-11-28 02:57:43,252 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-28 02:57:43,253 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 56 more)] === [2024-11-28 02:57:43,254 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:57:43,254 INFO L85 PathProgramCache]: Analyzing trace with hash -1331216748, now seen corresponding path program 1 times [2024-11-28 02:57:43,254 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:57:43,256 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2102883080] [2024-11-28 02:57:43,256 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:57:43,256 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:57:43,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:57:43,414 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 02:57:43,415 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:57:43,415 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2102883080] [2024-11-28 02:57:43,415 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2102883080] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:57:43,415 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:57:43,415 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 02:57:43,416 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2073909369] [2024-11-28 02:57:43,416 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:57:43,416 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 02:57:43,417 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:57:43,417 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 02:57:43,417 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 02:57:43,431 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 237 out of 283 [2024-11-28 02:57:43,433 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 223 places, 223 transitions, 454 flow. Second operand has 3 states, 3 states have (on average 238.33333333333334) internal successors, (715), 3 states have internal predecessors, (715), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:57:43,433 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 02:57:43,433 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 237 of 283 [2024-11-28 02:57:43,433 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 02:57:43,578 INFO L124 PetriNetUnfolderBase]: 31/347 cut-off events. [2024-11-28 02:57:43,579 INFO L125 PetriNetUnfolderBase]: For 5/5 co-relation queries the response was YES. [2024-11-28 02:57:43,580 INFO L83 FinitePrefix]: Finished finitePrefix Result has 407 conditions, 347 events. 31/347 cut-off events. For 5/5 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 854 event pairs, 15 based on Foata normal form. 0/317 useless extension candidates. Maximal degree in co-relation 368. Up to 48 conditions per place. [2024-11-28 02:57:43,582 INFO L140 encePairwiseOnDemand]: 280/283 looper letters, 12 selfloop transitions, 2 changer transitions 0/222 dead transitions. [2024-11-28 02:57:43,583 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 224 places, 222 transitions, 480 flow [2024-11-28 02:57:43,584 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 02:57:43,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 02:57:43,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 726 transitions. [2024-11-28 02:57:43,588 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8551236749116607 [2024-11-28 02:57:43,588 INFO L175 Difference]: Start difference. First operand has 223 places, 223 transitions, 454 flow. Second operand 3 states and 726 transitions. [2024-11-28 02:57:43,589 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 224 places, 222 transitions, 480 flow [2024-11-28 02:57:43,590 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 223 places, 222 transitions, 479 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-28 02:57:43,594 INFO L231 Difference]: Finished difference. Result has 223 places, 222 transitions, 455 flow [2024-11-28 02:57:43,594 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=283, PETRI_DIFFERENCE_MINUEND_FLOW=451, PETRI_DIFFERENCE_MINUEND_PLACES=221, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=222, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=220, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=455, PETRI_PLACES=223, PETRI_TRANSITIONS=222} [2024-11-28 02:57:43,597 INFO L279 CegarLoopForPetriNet]: 257 programPoint places, -34 predicate places. [2024-11-28 02:57:43,597 INFO L471 AbstractCegarLoop]: Abstraction has has 223 places, 222 transitions, 455 flow [2024-11-28 02:57:43,598 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 238.33333333333334) internal successors, (715), 3 states have internal predecessors, (715), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:57:43,598 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 02:57:43,598 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] [2024-11-28 02:57:43,599 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-28 02:57:43,599 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 56 more)] === [2024-11-28 02:57:43,600 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:57:43,602 INFO L85 PathProgramCache]: Analyzing trace with hash 560152718, now seen corresponding path program 1 times [2024-11-28 02:57:43,602 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:57:43,602 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1342303256] [2024-11-28 02:57:43,602 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:57:43,602 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:57:43,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:57:44,750 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 02:57:44,750 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:57:44,750 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1342303256] [2024-11-28 02:57:44,751 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1342303256] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:57:44,751 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:57:44,751 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-28 02:57:44,751 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1809082846] [2024-11-28 02:57:44,751 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:57:44,752 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-28 02:57:44,752 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:57:44,754 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-28 02:57:44,754 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-28 02:57:45,083 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 216 out of 283 [2024-11-28 02:57:45,085 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 223 places, 222 transitions, 455 flow. Second operand has 6 states, 6 states have (on average 217.5) internal successors, (1305), 6 states have internal predecessors, (1305), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:57:45,086 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 02:57:45,086 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 216 of 283 [2024-11-28 02:57:45,086 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 02:57:45,328 INFO L124 PetriNetUnfolderBase]: 31/345 cut-off events. [2024-11-28 02:57:45,329 INFO L125 PetriNetUnfolderBase]: For 5/5 co-relation queries the response was YES. [2024-11-28 02:57:45,330 INFO L83 FinitePrefix]: Finished finitePrefix Result has 428 conditions, 345 events. 31/345 cut-off events. For 5/5 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 844 event pairs, 15 based on Foata normal form. 0/317 useless extension candidates. Maximal degree in co-relation 390. Up to 61 conditions per place. [2024-11-28 02:57:45,331 INFO L140 encePairwiseOnDemand]: 271/283 looper letters, 25 selfloop transitions, 10 changer transitions 0/220 dead transitions. [2024-11-28 02:57:45,332 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 226 places, 220 transitions, 521 flow [2024-11-28 02:57:45,332 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-28 02:57:45,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-28 02:57:45,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1333 transitions. [2024-11-28 02:57:45,337 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.7850412249705536 [2024-11-28 02:57:45,337 INFO L175 Difference]: Start difference. First operand has 223 places, 222 transitions, 455 flow. Second operand 6 states and 1333 transitions. [2024-11-28 02:57:45,337 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 226 places, 220 transitions, 521 flow [2024-11-28 02:57:45,339 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 224 places, 220 transitions, 517 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-28 02:57:45,344 INFO L231 Difference]: Finished difference. Result has 224 places, 220 transitions, 467 flow [2024-11-28 02:57:45,345 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=283, PETRI_DIFFERENCE_MINUEND_FLOW=447, PETRI_DIFFERENCE_MINUEND_PLACES=219, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=220, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=210, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=467, PETRI_PLACES=224, PETRI_TRANSITIONS=220} [2024-11-28 02:57:45,345 INFO L279 CegarLoopForPetriNet]: 257 programPoint places, -33 predicate places. [2024-11-28 02:57:45,348 INFO L471 AbstractCegarLoop]: Abstraction has has 224 places, 220 transitions, 467 flow [2024-11-28 02:57:45,349 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 217.5) internal successors, (1305), 6 states have internal predecessors, (1305), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:57:45,349 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 02:57:45,349 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] [2024-11-28 02:57:45,350 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-28 02:57:45,350 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 56 more)] === [2024-11-28 02:57:45,351 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:57:45,351 INFO L85 PathProgramCache]: Analyzing trace with hash 413744869, now seen corresponding path program 1 times [2024-11-28 02:57:45,354 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:57:45,354 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [825212314] [2024-11-28 02:57:45,354 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:57:45,354 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:57:45,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:57:45,456 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 02:57:45,456 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:57:45,456 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [825212314] [2024-11-28 02:57:45,457 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [825212314] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:57:45,457 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:57:45,457 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 02:57:45,457 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1090787669] [2024-11-28 02:57:45,457 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:57:45,458 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 02:57:45,458 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:57:45,459 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 02:57:45,459 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 02:57:45,475 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 237 out of 283 [2024-11-28 02:57:45,476 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 224 places, 220 transitions, 467 flow. Second operand has 3 states, 3 states have (on average 238.33333333333334) internal successors, (715), 3 states have internal predecessors, (715), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:57:45,477 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 02:57:45,477 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 237 of 283 [2024-11-28 02:57:45,477 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 02:57:45,604 INFO L124 PetriNetUnfolderBase]: 31/344 cut-off events. [2024-11-28 02:57:45,605 INFO L125 PetriNetUnfolderBase]: For 5/5 co-relation queries the response was YES. [2024-11-28 02:57:45,606 INFO L83 FinitePrefix]: Finished finitePrefix Result has 414 conditions, 344 events. 31/344 cut-off events. For 5/5 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 851 event pairs, 15 based on Foata normal form. 0/317 useless extension candidates. Maximal degree in co-relation 381. Up to 48 conditions per place. [2024-11-28 02:57:45,607 INFO L140 encePairwiseOnDemand]: 280/283 looper letters, 12 selfloop transitions, 2 changer transitions 0/219 dead transitions. [2024-11-28 02:57:45,608 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 225 places, 219 transitions, 493 flow [2024-11-28 02:57:45,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 02:57:45,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 02:57:45,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 726 transitions. [2024-11-28 02:57:45,611 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8551236749116607 [2024-11-28 02:57:45,611 INFO L175 Difference]: Start difference. First operand has 224 places, 220 transitions, 467 flow. Second operand 3 states and 726 transitions. [2024-11-28 02:57:45,611 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 225 places, 219 transitions, 493 flow [2024-11-28 02:57:45,613 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 220 places, 219 transitions, 473 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-28 02:57:45,617 INFO L231 Difference]: Finished difference. Result has 220 places, 219 transitions, 449 flow [2024-11-28 02:57:45,617 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=283, PETRI_DIFFERENCE_MINUEND_FLOW=445, PETRI_DIFFERENCE_MINUEND_PLACES=218, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=219, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=217, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=449, PETRI_PLACES=220, PETRI_TRANSITIONS=219} [2024-11-28 02:57:45,618 INFO L279 CegarLoopForPetriNet]: 257 programPoint places, -37 predicate places. [2024-11-28 02:57:45,618 INFO L471 AbstractCegarLoop]: Abstraction has has 220 places, 219 transitions, 449 flow [2024-11-28 02:57:45,619 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 238.33333333333334) internal successors, (715), 3 states have internal predecessors, (715), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:57:45,619 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 02:57:45,619 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] [2024-11-28 02:57:45,620 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-28 02:57:45,620 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 56 more)] === [2024-11-28 02:57:45,621 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:57:45,621 INFO L85 PathProgramCache]: Analyzing trace with hash 344176833, now seen corresponding path program 1 times [2024-11-28 02:57:45,621 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:57:45,621 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [460977707] [2024-11-28 02:57:45,621 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:57:45,621 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:57:45,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:57:45,693 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 02:57:45,694 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:57:45,694 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [460977707] [2024-11-28 02:57:45,694 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [460977707] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:57:45,694 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:57:45,694 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 02:57:45,694 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1863470897] [2024-11-28 02:57:45,695 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:57:45,695 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 02:57:45,695 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:57:45,696 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 02:57:45,696 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 02:57:45,727 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 231 out of 283 [2024-11-28 02:57:45,728 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 220 places, 219 transitions, 449 flow. Second operand has 3 states, 3 states have (on average 232.0) internal successors, (696), 3 states have internal predecessors, (696), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:57:45,729 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 02:57:45,729 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 231 of 283 [2024-11-28 02:57:45,729 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 02:57:45,885 INFO L124 PetriNetUnfolderBase]: 102/538 cut-off events. [2024-11-28 02:57:45,885 INFO L125 PetriNetUnfolderBase]: For 21/21 co-relation queries the response was YES. [2024-11-28 02:57:45,889 INFO L83 FinitePrefix]: Finished finitePrefix Result has 706 conditions, 538 events. 102/538 cut-off events. For 21/21 co-relation queries the response was YES. Maximal size of possible extension queue 34. Compared 2302 event pairs, 71 based on Foata normal form. 0/503 useless extension candidates. Maximal degree in co-relation 667. Up to 150 conditions per place. [2024-11-28 02:57:45,891 INFO L140 encePairwiseOnDemand]: 278/283 looper letters, 17 selfloop transitions, 1 changer transitions 0/215 dead transitions. [2024-11-28 02:57:45,891 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 218 places, 215 transitions, 477 flow [2024-11-28 02:57:45,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 02:57:45,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 02:57:45,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 715 transitions. [2024-11-28 02:57:45,894 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8421672555948174 [2024-11-28 02:57:45,895 INFO L175 Difference]: Start difference. First operand has 220 places, 219 transitions, 449 flow. Second operand 3 states and 715 transitions. [2024-11-28 02:57:45,895 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 218 places, 215 transitions, 477 flow [2024-11-28 02:57:45,896 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 216 places, 215 transitions, 473 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-28 02:57:45,900 INFO L231 Difference]: Finished difference. Result has 216 places, 215 transitions, 439 flow [2024-11-28 02:57:45,901 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=283, PETRI_DIFFERENCE_MINUEND_FLOW=437, PETRI_DIFFERENCE_MINUEND_PLACES=214, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=215, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=214, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=439, PETRI_PLACES=216, PETRI_TRANSITIONS=215} [2024-11-28 02:57:45,903 INFO L279 CegarLoopForPetriNet]: 257 programPoint places, -41 predicate places. [2024-11-28 02:57:45,903 INFO L471 AbstractCegarLoop]: Abstraction has has 216 places, 215 transitions, 439 flow [2024-11-28 02:57:45,904 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 232.0) internal successors, (696), 3 states have internal predecessors, (696), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:57:45,904 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 02:57:45,904 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:57:45,905 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-28 02:57:45,905 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 56 more)] === [2024-11-28 02:57:45,906 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:57:45,907 INFO L85 PathProgramCache]: Analyzing trace with hash -1267560538, now seen corresponding path program 1 times [2024-11-28 02:57:45,907 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:57:45,907 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1750326885] [2024-11-28 02:57:45,908 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:57:45,908 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:57:45,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:57:46,039 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 02:57:46,041 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:57:46,041 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1750326885] [2024-11-28 02:57:46,042 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1750326885] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:57:46,042 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:57:46,042 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 02:57:46,042 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2051593165] [2024-11-28 02:57:46,042 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:57:46,043 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 02:57:46,044 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:57:46,044 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 02:57:46,044 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 02:57:46,053 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 241 out of 283 [2024-11-28 02:57:46,054 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 216 places, 215 transitions, 439 flow. Second operand has 3 states, 3 states have (on average 243.66666666666666) internal successors, (731), 3 states have internal predecessors, (731), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:57:46,055 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 02:57:46,055 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 241 of 283 [2024-11-28 02:57:46,055 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 02:57:46,195 INFO L124 PetriNetUnfolderBase]: 31/332 cut-off events. [2024-11-28 02:57:46,197 INFO L125 PetriNetUnfolderBase]: For 5/5 co-relation queries the response was YES. [2024-11-28 02:57:46,198 INFO L83 FinitePrefix]: Finished finitePrefix Result has 390 conditions, 332 events. 31/332 cut-off events. For 5/5 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 783 event pairs, 15 based on Foata normal form. 0/317 useless extension candidates. Maximal degree in co-relation 352. Up to 45 conditions per place. [2024-11-28 02:57:46,200 INFO L140 encePairwiseOnDemand]: 281/283 looper letters, 10 selfloop transitions, 1 changer transitions 0/214 dead transitions. [2024-11-28 02:57:46,200 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 217 places, 214 transitions, 459 flow [2024-11-28 02:57:46,202 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 02:57:46,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 02:57:46,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 735 transitions. [2024-11-28 02:57:46,204 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8657243816254417 [2024-11-28 02:57:46,204 INFO L175 Difference]: Start difference. First operand has 216 places, 215 transitions, 439 flow. Second operand 3 states and 735 transitions. [2024-11-28 02:57:46,204 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 217 places, 214 transitions, 459 flow [2024-11-28 02:57:46,207 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 216 places, 214 transitions, 458 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-28 02:57:46,214 INFO L231 Difference]: Finished difference. Result has 216 places, 214 transitions, 438 flow [2024-11-28 02:57:46,215 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=283, PETRI_DIFFERENCE_MINUEND_FLOW=436, PETRI_DIFFERENCE_MINUEND_PLACES=214, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=214, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=213, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=438, PETRI_PLACES=216, PETRI_TRANSITIONS=214} [2024-11-28 02:57:46,218 INFO L279 CegarLoopForPetriNet]: 257 programPoint places, -41 predicate places. [2024-11-28 02:57:46,218 INFO L471 AbstractCegarLoop]: Abstraction has has 216 places, 214 transitions, 438 flow [2024-11-28 02:57:46,219 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 243.66666666666666) internal successors, (731), 3 states have internal predecessors, (731), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:57:46,219 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 02:57:46,219 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:57:46,219 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-28 02:57:46,219 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 56 more)] === [2024-11-28 02:57:46,220 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:57:46,220 INFO L85 PathProgramCache]: Analyzing trace with hash 836320841, now seen corresponding path program 1 times [2024-11-28 02:57:46,220 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:57:46,225 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [390484835] [2024-11-28 02:57:46,225 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:57:46,225 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:57:46,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:57:46,360 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 02:57:46,361 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:57:46,361 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [390484835] [2024-11-28 02:57:46,361 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [390484835] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:57:46,361 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:57:46,361 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 02:57:46,361 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [232810770] [2024-11-28 02:57:46,362 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:57:46,362 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 02:57:46,362 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:57:46,363 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 02:57:46,363 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 02:57:46,368 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 241 out of 283 [2024-11-28 02:57:46,370 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 216 places, 214 transitions, 438 flow. Second operand has 3 states, 3 states have (on average 243.66666666666666) internal successors, (731), 3 states have internal predecessors, (731), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:57:46,371 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 02:57:46,371 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 241 of 283 [2024-11-28 02:57:46,371 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 02:57:46,497 INFO L124 PetriNetUnfolderBase]: 31/331 cut-off events. [2024-11-28 02:57:46,497 INFO L125 PetriNetUnfolderBase]: For 5/5 co-relation queries the response was YES. [2024-11-28 02:57:46,498 INFO L83 FinitePrefix]: Finished finitePrefix Result has 389 conditions, 331 events. 31/331 cut-off events. For 5/5 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 783 event pairs, 15 based on Foata normal form. 1/317 useless extension candidates. Maximal degree in co-relation 381. Up to 45 conditions per place. [2024-11-28 02:57:46,499 INFO L140 encePairwiseOnDemand]: 281/283 looper letters, 0 selfloop transitions, 0 changer transitions 213/213 dead transitions. [2024-11-28 02:57:46,499 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 217 places, 213 transitions, 456 flow [2024-11-28 02:57:46,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 02:57:46,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 02:57:46,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 734 transitions. [2024-11-28 02:57:46,503 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8645465253239105 [2024-11-28 02:57:46,503 INFO L175 Difference]: Start difference. First operand has 216 places, 214 transitions, 438 flow. Second operand 3 states and 734 transitions. [2024-11-28 02:57:46,503 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 217 places, 213 transitions, 456 flow [2024-11-28 02:57:46,506 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 216 places, 213 transitions, 455 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-28 02:57:46,508 INFO L231 Difference]: Finished difference. Result has 216 places, 0 transitions, 0 flow [2024-11-28 02:57:46,508 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=283, PETRI_DIFFERENCE_MINUEND_FLOW=435, PETRI_DIFFERENCE_MINUEND_PLACES=214, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=213, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=213, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=216, PETRI_TRANSITIONS=0} [2024-11-28 02:57:46,509 INFO L279 CegarLoopForPetriNet]: 257 programPoint places, -41 predicate places. [2024-11-28 02:57:46,509 INFO L471 AbstractCegarLoop]: Abstraction has has 216 places, 0 transitions, 0 flow [2024-11-28 02:57:46,510 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 243.66666666666666) internal successors, (731), 3 states have internal predecessors, (731), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:57:46,514 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (59 of 60 remaining) [2024-11-28 02:57:46,515 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (58 of 60 remaining) [2024-11-28 02:57:46,515 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (57 of 60 remaining) [2024-11-28 02:57:46,515 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (56 of 60 remaining) [2024-11-28 02:57:46,515 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (55 of 60 remaining) [2024-11-28 02:57:46,515 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (54 of 60 remaining) [2024-11-28 02:57:46,515 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (53 of 60 remaining) [2024-11-28 02:57:46,515 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (52 of 60 remaining) [2024-11-28 02:57:46,515 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (51 of 60 remaining) [2024-11-28 02:57:46,515 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (50 of 60 remaining) [2024-11-28 02:57:46,516 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (49 of 60 remaining) [2024-11-28 02:57:46,516 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (48 of 60 remaining) [2024-11-28 02:57:46,516 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (47 of 60 remaining) [2024-11-28 02:57:46,516 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (46 of 60 remaining) [2024-11-28 02:57:46,516 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (45 of 60 remaining) [2024-11-28 02:57:46,516 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (44 of 60 remaining) [2024-11-28 02:57:46,517 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (43 of 60 remaining) [2024-11-28 02:57:46,517 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (42 of 60 remaining) [2024-11-28 02:57:46,517 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err4ASSERT_VIOLATIONDATA_RACE (41 of 60 remaining) [2024-11-28 02:57:46,517 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err5ASSERT_VIOLATIONDATA_RACE (40 of 60 remaining) [2024-11-28 02:57:46,517 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err6ASSERT_VIOLATIONDATA_RACE (39 of 60 remaining) [2024-11-28 02:57:46,517 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err7ASSERT_VIOLATIONDATA_RACE (38 of 60 remaining) [2024-11-28 02:57:46,517 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (37 of 60 remaining) [2024-11-28 02:57:46,517 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (36 of 60 remaining) [2024-11-28 02:57:46,517 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (35 of 60 remaining) [2024-11-28 02:57:46,518 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (34 of 60 remaining) [2024-11-28 02:57:46,518 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (33 of 60 remaining) [2024-11-28 02:57:46,518 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (32 of 60 remaining) [2024-11-28 02:57:46,518 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (31 of 60 remaining) [2024-11-28 02:57:46,520 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (30 of 60 remaining) [2024-11-28 02:57:46,520 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (29 of 60 remaining) [2024-11-28 02:57:46,521 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (28 of 60 remaining) [2024-11-28 02:57:46,521 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (27 of 60 remaining) [2024-11-28 02:57:46,521 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (26 of 60 remaining) [2024-11-28 02:57:46,521 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE (25 of 60 remaining) [2024-11-28 02:57:46,521 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (24 of 60 remaining) [2024-11-28 02:57:46,521 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (23 of 60 remaining) [2024-11-28 02:57:46,521 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (22 of 60 remaining) [2024-11-28 02:57:46,521 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (21 of 60 remaining) [2024-11-28 02:57:46,521 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (20 of 60 remaining) [2024-11-28 02:57:46,521 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (19 of 60 remaining) [2024-11-28 02:57:46,522 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (18 of 60 remaining) [2024-11-28 02:57:46,522 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (17 of 60 remaining) [2024-11-28 02:57:46,522 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (16 of 60 remaining) [2024-11-28 02:57:46,522 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (15 of 60 remaining) [2024-11-28 02:57:46,522 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (14 of 60 remaining) [2024-11-28 02:57:46,522 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (13 of 60 remaining) [2024-11-28 02:57:46,522 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (12 of 60 remaining) [2024-11-28 02:57:46,522 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (11 of 60 remaining) [2024-11-28 02:57:46,522 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (10 of 60 remaining) [2024-11-28 02:57:46,522 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (9 of 60 remaining) [2024-11-28 02:57:46,522 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (8 of 60 remaining) [2024-11-28 02:57:46,523 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (7 of 60 remaining) [2024-11-28 02:57:46,523 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (6 of 60 remaining) [2024-11-28 02:57:46,523 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (5 of 60 remaining) [2024-11-28 02:57:46,523 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (4 of 60 remaining) [2024-11-28 02:57:46,523 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err4ASSERT_VIOLATIONDATA_RACE (3 of 60 remaining) [2024-11-28 02:57:46,523 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err5ASSERT_VIOLATIONDATA_RACE (2 of 60 remaining) [2024-11-28 02:57:46,523 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err6ASSERT_VIOLATIONDATA_RACE (1 of 60 remaining) [2024-11-28 02:57:46,523 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err7ASSERT_VIOLATIONDATA_RACE (0 of 60 remaining) [2024-11-28 02:57:46,523 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-28 02:57:46,524 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:57:46,532 INFO L241 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-28 02:57:46,532 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-28 02:57:46,541 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 02:57:46 BasicIcfg [2024-11-28 02:57:46,541 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-28 02:57:46,541 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-28 02:57:46,542 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-28 02:57:46,542 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-28 02:57:46,544 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:57:40" (3/4) ... [2024-11-28 02:57:46,546 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-11-28 02:57:46,550 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2024-11-28 02:57:46,550 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2024-11-28 02:57:46,550 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread3 [2024-11-28 02:57:46,558 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 23 nodes and edges [2024-11-28 02:57:46,559 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-11-28 02:57:46,559 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-28 02:57:46,559 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-28 02:57:46,693 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f30c5d89-b359-403e-93ae-647e55198b72/bin/uautomizer-verify-aQ6SnzHsRB/witness.graphml [2024-11-28 02:57:46,693 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f30c5d89-b359-403e-93ae-647e55198b72/bin/uautomizer-verify-aQ6SnzHsRB/witness.yml [2024-11-28 02:57:46,694 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-28 02:57:46,696 INFO L158 Benchmark]: Toolchain (without parser) took 8554.59ms. Allocated memory was 117.4MB in the beginning and 159.4MB in the end (delta: 41.9MB). Free memory was 93.0MB in the beginning and 102.9MB in the end (delta: -10.0MB). Peak memory consumption was 31.0MB. Max. memory is 16.1GB. [2024-11-28 02:57:46,697 INFO L158 Benchmark]: CDTParser took 0.59ms. Allocated memory is still 117.4MB. Free memory was 73.8MB in the beginning and 73.6MB in the end (delta: 146.8kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 02:57:46,698 INFO L158 Benchmark]: CACSL2BoogieTranslator took 495.55ms. Allocated memory is still 117.4MB. Free memory was 92.7MB in the beginning and 79.5MB in the end (delta: 13.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-28 02:57:46,698 INFO L158 Benchmark]: Boogie Procedure Inliner took 112.14ms. Allocated memory is still 117.4MB. Free memory was 79.5MB in the beginning and 76.5MB in the end (delta: 3.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 02:57:46,699 INFO L158 Benchmark]: Boogie Preprocessor took 102.69ms. Allocated memory is still 117.4MB. Free memory was 76.5MB in the beginning and 73.7MB in the end (delta: 2.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 02:57:46,700 INFO L158 Benchmark]: RCFGBuilder took 2123.37ms. Allocated memory is still 117.4MB. Free memory was 73.7MB in the beginning and 69.2MB in the end (delta: 4.5MB). Peak memory consumption was 53.7MB. Max. memory is 16.1GB. [2024-11-28 02:57:46,703 INFO L158 Benchmark]: TraceAbstraction took 5554.66ms. Allocated memory was 117.4MB in the beginning and 159.4MB in the end (delta: 41.9MB). Free memory was 68.5MB in the beginning and 109.7MB in the end (delta: -41.2MB). Peak memory consumption was 73.6MB. Max. memory is 16.1GB. [2024-11-28 02:57:46,703 INFO L158 Benchmark]: Witness Printer took 152.28ms. Allocated memory is still 159.4MB. Free memory was 109.7MB in the beginning and 102.9MB in the end (delta: 6.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-28 02:57:46,705 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.59ms. Allocated memory is still 117.4MB. Free memory was 73.8MB in the beginning and 73.6MB in the end (delta: 146.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 495.55ms. Allocated memory is still 117.4MB. Free memory was 92.7MB in the beginning and 79.5MB in the end (delta: 13.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 112.14ms. Allocated memory is still 117.4MB. Free memory was 79.5MB in the beginning and 76.5MB in the end (delta: 3.0MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 102.69ms. Allocated memory is still 117.4MB. Free memory was 76.5MB in the beginning and 73.7MB in the end (delta: 2.8MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 2123.37ms. Allocated memory is still 117.4MB. Free memory was 73.7MB in the beginning and 69.2MB in the end (delta: 4.5MB). Peak memory consumption was 53.7MB. Max. memory is 16.1GB. * TraceAbstraction took 5554.66ms. Allocated memory was 117.4MB in the beginning and 159.4MB in the end (delta: 41.9MB). Free memory was 68.5MB in the beginning and 109.7MB in the end (delta: -41.2MB). Peak memory consumption was 73.6MB. Max. memory is 16.1GB. * Witness Printer took 152.28ms. Allocated memory is still 159.4MB. Free memory was 109.7MB in the beginning and 102.9MB in the end (delta: 6.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 48]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: 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: 60]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 60]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 60]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 60]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 60]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 60]: 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: 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: 70]: 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: 70]: 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: 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: 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: 108]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 84]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 84]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 108]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 86]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 86]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 86]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 96]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 96]: 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, 333 locations, 60 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: 5.3s, OverallIterations: 9, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 2.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.2s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 286 SdHoareTripleChecker+Valid, 1.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 98 mSDsluCounter, 100 SdHoareTripleChecker+Invalid, 1.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 56 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 447 IncrementalHoareTripleChecker+Invalid, 503 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 56 mSolverCounterUnsat, 100 mSDtfsCounter, 447 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 22 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=544occurred in iteration=0, InterpolantAutomatonStates: 30, 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: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.7s InterpolantComputationTime, 745 NumberOfCodeBlocks, 745 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 736 ConstructedInterpolants, 0 QuantifiedInterpolants, 867 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 9 InterpolantComputations, 9 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 35 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-11-28 02:57:46,740 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f30c5d89-b359-403e-93ae-647e55198b72/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE