./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/pthread/bigshot_s.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fdbc7c2-57d9-4589-9b23-535cd1cc1041/bin/uautomizer-verify-BQ2R08f2Ya/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fdbc7c2-57d9-4589-9b23-535cd1cc1041/bin/uautomizer-verify-BQ2R08f2Ya/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fdbc7c2-57d9-4589-9b23-535cd1cc1041/bin/uautomizer-verify-BQ2R08f2Ya/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fdbc7c2-57d9-4589-9b23-535cd1cc1041/bin/uautomizer-verify-BQ2R08f2Ya/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread/bigshot_s.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fdbc7c2-57d9-4589-9b23-535cd1cc1041/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fdbc7c2-57d9-4589-9b23-535cd1cc1041/bin/uautomizer-verify-BQ2R08f2Ya --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 4d8c741fd238f074816319de9a9bd5d97cd9b35eb7f53a276be973ea0c31ecbe --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-29 01:11:35,780 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-29 01:11:35,844 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fdbc7c2-57d9-4589-9b23-535cd1cc1041/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-DataRace-32bit-Automizer_Default.epf [2023-11-29 01:11:35,848 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-29 01:11:35,849 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-29 01:11:35,871 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-29 01:11:35,872 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-29 01:11:35,872 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-29 01:11:35,873 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-29 01:11:35,873 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-29 01:11:35,874 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-29 01:11:35,875 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-29 01:11:35,875 INFO L153 SettingsManager]: * Use SBE=true [2023-11-29 01:11:35,876 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-29 01:11:35,876 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-29 01:11:35,877 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-29 01:11:35,877 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-29 01:11:35,878 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-29 01:11:35,878 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-29 01:11:35,879 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-29 01:11:35,879 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-29 01:11:35,880 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-29 01:11:35,880 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2023-11-29 01:11:35,881 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-29 01:11:35,881 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-29 01:11:35,881 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-29 01:11:35,882 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-29 01:11:35,882 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-29 01:11:35,883 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-29 01:11:35,883 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-29 01:11:35,884 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 01:11:35,884 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-29 01:11:35,884 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-29 01:11:35,885 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-29 01:11:35,885 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-29 01:11:35,885 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-29 01:11:35,885 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-29 01:11:35,886 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-29 01:11:35,886 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-29 01:11:35,886 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-29 01:11:35,886 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-29 01:11:35,887 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fdbc7c2-57d9-4589-9b23-535cd1cc1041/bin/uautomizer-verify-BQ2R08f2Ya/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fdbc7c2-57d9-4589-9b23-535cd1cc1041/bin/uautomizer-verify-BQ2R08f2Ya Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4d8c741fd238f074816319de9a9bd5d97cd9b35eb7f53a276be973ea0c31ecbe [2023-11-29 01:11:36,106 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-29 01:11:36,131 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-29 01:11:36,134 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-29 01:11:36,135 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-29 01:11:36,136 INFO L274 PluginConnector]: CDTParser initialized [2023-11-29 01:11:36,137 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fdbc7c2-57d9-4589-9b23-535cd1cc1041/bin/uautomizer-verify-BQ2R08f2Ya/../../sv-benchmarks/c/pthread/bigshot_s.i [2023-11-29 01:11:38,903 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-29 01:11:39,133 INFO L384 CDTParser]: Found 1 translation units. [2023-11-29 01:11:39,134 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fdbc7c2-57d9-4589-9b23-535cd1cc1041/sv-benchmarks/c/pthread/bigshot_s.i [2023-11-29 01:11:39,152 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fdbc7c2-57d9-4589-9b23-535cd1cc1041/bin/uautomizer-verify-BQ2R08f2Ya/data/15b465e35/63183460369049b2ab76d7c04d6455f9/FLAG0979f40a3 [2023-11-29 01:11:39,166 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fdbc7c2-57d9-4589-9b23-535cd1cc1041/bin/uautomizer-verify-BQ2R08f2Ya/data/15b465e35/63183460369049b2ab76d7c04d6455f9 [2023-11-29 01:11:39,168 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-29 01:11:39,169 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-29 01:11:39,171 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-29 01:11:39,171 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-29 01:11:39,176 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-29 01:11:39,176 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 01:11:39" (1/1) ... [2023-11-29 01:11:39,177 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@10ad93ed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:11:39, skipping insertion in model container [2023-11-29 01:11:39,177 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 01:11:39" (1/1) ... [2023-11-29 01:11:39,229 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-29 01:11:39,659 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 01:11:39,669 INFO L202 MainTranslator]: Completed pre-run [2023-11-29 01:11:39,716 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 01:11:39,771 INFO L206 MainTranslator]: Completed translation [2023-11-29 01:11:39,772 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:11:39 WrapperNode [2023-11-29 01:11:39,772 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-29 01:11:39,773 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-29 01:11:39,773 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-29 01:11:39,773 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-29 01:11:39,780 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:11:39" (1/1) ... [2023-11-29 01:11:39,797 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:11:39" (1/1) ... [2023-11-29 01:11:39,835 INFO L138 Inliner]: procedures = 323, calls = 34, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 97 [2023-11-29 01:11:39,835 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-29 01:11:39,836 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-29 01:11:39,836 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-29 01:11:39,836 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-29 01:11:39,843 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:11:39" (1/1) ... [2023-11-29 01:11:39,843 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:11:39" (1/1) ... [2023-11-29 01:11:39,847 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:11:39" (1/1) ... [2023-11-29 01:11:39,847 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:11:39" (1/1) ... [2023-11-29 01:11:39,854 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:11:39" (1/1) ... [2023-11-29 01:11:39,857 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:11:39" (1/1) ... [2023-11-29 01:11:39,860 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:11:39" (1/1) ... [2023-11-29 01:11:39,861 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:11:39" (1/1) ... [2023-11-29 01:11:39,864 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-29 01:11:39,865 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-29 01:11:39,865 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-29 01:11:39,865 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-29 01:11:39,866 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:11:39" (1/1) ... [2023-11-29 01:11:39,876 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 01:11:39,892 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fdbc7c2-57d9-4589-9b23-535cd1cc1041/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 01:11:39,905 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fdbc7c2-57d9-4589-9b23-535cd1cc1041/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-29 01:11:39,907 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fdbc7c2-57d9-4589-9b23-535cd1cc1041/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-29 01:11:39,934 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-29 01:11:39,935 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-29 01:11:39,935 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-29 01:11:39,935 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-29 01:11:39,935 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-11-29 01:11:39,935 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-11-29 01:11:39,935 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-11-29 01:11:39,936 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-11-29 01:11:39,936 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-29 01:11:39,936 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-29 01:11:39,936 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-29 01:11:39,936 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-29 01:11:39,936 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-29 01:11:39,936 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-29 01:11:39,938 WARN L213 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-29 01:11:40,067 INFO L241 CfgBuilder]: Building ICFG [2023-11-29 01:11:40,069 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-29 01:11:40,314 INFO L282 CfgBuilder]: Performing block encoding [2023-11-29 01:11:40,326 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-29 01:11:40,327 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-29 01:11:40,328 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 01:11:40 BoogieIcfgContainer [2023-11-29 01:11:40,329 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-29 01:11:40,331 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-29 01:11:40,331 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-29 01:11:40,335 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-29 01:11:40,335 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.11 01:11:39" (1/3) ... [2023-11-29 01:11:40,336 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@72db06e8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 01:11:40, skipping insertion in model container [2023-11-29 01:11:40,336 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:11:39" (2/3) ... [2023-11-29 01:11:40,336 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@72db06e8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 01:11:40, skipping insertion in model container [2023-11-29 01:11:40,336 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 01:11:40" (3/3) ... [2023-11-29 01:11:40,338 INFO L112 eAbstractionObserver]: Analyzing ICFG bigshot_s.i [2023-11-29 01:11:40,347 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-11-29 01:11:40,360 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-29 01:11:40,360 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 8 error locations. [2023-11-29 01:11:40,360 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-29 01:11:40,434 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2023-11-29 01:11:40,473 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 128 places, 127 transitions, 268 flow [2023-11-29 01:11:40,522 INFO L124 PetriNetUnfolderBase]: 6/125 cut-off events. [2023-11-29 01:11:40,522 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2023-11-29 01:11:40,527 INFO L83 FinitePrefix]: Finished finitePrefix Result has 134 conditions, 125 events. 6/125 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 122 event pairs, 0 based on Foata normal form. 0/111 useless extension candidates. Maximal degree in co-relation 83. Up to 2 conditions per place. [2023-11-29 01:11:40,527 INFO L82 GeneralOperation]: Start removeDead. Operand has 128 places, 127 transitions, 268 flow [2023-11-29 01:11:40,532 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 102 places, 98 transitions, 208 flow [2023-11-29 01:11:40,543 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-29 01:11:40,550 INFO L357 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, mHoare=true, 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;@188d0af8, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-29 01:11:40,550 INFO L358 AbstractCegarLoop]: Starting to check reachability of 13 error locations. [2023-11-29 01:11:40,560 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-11-29 01:11:40,560 INFO L124 PetriNetUnfolderBase]: 0/35 cut-off events. [2023-11-29 01:11:40,560 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-29 01:11:40,561 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 01:11:40,561 INFO L208 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] [2023-11-29 01:11:40,562 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting thread1Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread2Err0ASSERT_VIOLATIONDATA_RACE, thread2Err1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (and 9 more)] === [2023-11-29 01:11:40,567 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:11:40,567 INFO L85 PathProgramCache]: Analyzing trace with hash -204060612, now seen corresponding path program 1 times [2023-11-29 01:11:40,576 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:11:40,577 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [458421363] [2023-11-29 01:11:40,577 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:11:40,577 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:11:40,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:11:40,822 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 01:11:40,823 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:11:40,823 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [458421363] [2023-11-29 01:11:40,824 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [458421363] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 01:11:40,824 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 01:11:40,824 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 01:11:40,826 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [116503537] [2023-11-29 01:11:40,826 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 01:11:40,835 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 01:11:40,842 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:11:40,870 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 01:11:40,870 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 01:11:40,909 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 110 out of 127 [2023-11-29 01:11:40,913 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 102 places, 98 transitions, 208 flow. Second operand has 3 states, 3 states have (on average 111.33333333333333) internal successors, (334), 3 states have internal predecessors, (334), 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) [2023-11-29 01:11:40,913 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 01:11:40,913 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 110 of 127 [2023-11-29 01:11:40,914 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 01:11:40,953 INFO L124 PetriNetUnfolderBase]: 2/96 cut-off events. [2023-11-29 01:11:40,954 INFO L125 PetriNetUnfolderBase]: For 10/12 co-relation queries the response was YES. [2023-11-29 01:11:40,954 INFO L83 FinitePrefix]: Finished finitePrefix Result has 118 conditions, 96 events. 2/96 cut-off events. For 10/12 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 79 event pairs, 0 based on Foata normal form. 1/89 useless extension candidates. Maximal degree in co-relation 61. Up to 11 conditions per place. [2023-11-29 01:11:40,956 INFO L140 encePairwiseOnDemand]: 123/127 looper letters, 10 selfloop transitions, 2 changer transitions 0/96 dead transitions. [2023-11-29 01:11:40,956 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 103 places, 96 transitions, 228 flow [2023-11-29 01:11:40,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 01:11:40,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 01:11:40,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 344 transitions. [2023-11-29 01:11:40,972 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9028871391076115 [2023-11-29 01:11:40,973 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 344 transitions. [2023-11-29 01:11:40,974 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 344 transitions. [2023-11-29 01:11:40,976 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 01:11:40,979 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 344 transitions. [2023-11-29 01:11:40,983 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 114.66666666666667) internal successors, (344), 3 states have internal predecessors, (344), 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) [2023-11-29 01:11:40,989 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 127.0) internal successors, (508), 4 states have internal predecessors, (508), 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) [2023-11-29 01:11:40,990 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 127.0) internal successors, (508), 4 states have internal predecessors, (508), 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) [2023-11-29 01:11:40,992 INFO L175 Difference]: Start difference. First operand has 102 places, 98 transitions, 208 flow. Second operand 3 states and 344 transitions. [2023-11-29 01:11:40,993 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 103 places, 96 transitions, 228 flow [2023-11-29 01:11:40,996 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 99 places, 96 transitions, 220 flow, removed 0 selfloop flow, removed 4 redundant places. [2023-11-29 01:11:41,000 INFO L231 Difference]: Finished difference. Result has 99 places, 96 transitions, 200 flow [2023-11-29 01:11:41,002 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=127, PETRI_DIFFERENCE_MINUEND_FLOW=196, PETRI_DIFFERENCE_MINUEND_PLACES=97, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=96, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=94, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=200, PETRI_PLACES=99, PETRI_TRANSITIONS=96} [2023-11-29 01:11:41,006 INFO L281 CegarLoopForPetriNet]: 102 programPoint places, -3 predicate places. [2023-11-29 01:11:41,006 INFO L495 AbstractCegarLoop]: Abstraction has has 99 places, 96 transitions, 200 flow [2023-11-29 01:11:41,007 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 111.33333333333333) internal successors, (334), 3 states have internal predecessors, (334), 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) [2023-11-29 01:11:41,007 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 01:11:41,007 INFO L208 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] [2023-11-29 01:11:41,007 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-29 01:11:41,008 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread2Err0ASSERT_VIOLATIONDATA_RACE, thread2Err1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (and 9 more)] === [2023-11-29 01:11:41,008 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:11:41,008 INFO L85 PathProgramCache]: Analyzing trace with hash 355325371, now seen corresponding path program 1 times [2023-11-29 01:11:41,009 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:11:41,009 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1446863713] [2023-11-29 01:11:41,009 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:11:41,009 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:11:41,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:11:41,528 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 01:11:41,529 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:11:41,529 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1446863713] [2023-11-29 01:11:41,529 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1446863713] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 01:11:41,529 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 01:11:41,530 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-29 01:11:41,530 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1983957654] [2023-11-29 01:11:41,530 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 01:11:41,531 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 01:11:41,532 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:11:41,532 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 01:11:41,533 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-29 01:11:41,697 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 109 out of 127 [2023-11-29 01:11:41,698 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 99 places, 96 transitions, 200 flow. Second operand has 6 states, 6 states have (on average 110.33333333333333) internal successors, (662), 6 states have internal predecessors, (662), 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) [2023-11-29 01:11:41,699 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 01:11:41,699 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 109 of 127 [2023-11-29 01:11:41,699 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 01:11:41,738 INFO L124 PetriNetUnfolderBase]: 2/95 cut-off events. [2023-11-29 01:11:41,739 INFO L125 PetriNetUnfolderBase]: For 2/7 co-relation queries the response was YES. [2023-11-29 01:11:41,739 INFO L83 FinitePrefix]: Finished finitePrefix Result has 113 conditions, 95 events. 2/95 cut-off events. For 2/7 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 76 event pairs, 0 based on Foata normal form. 4/92 useless extension candidates. Maximal degree in co-relation 72. Up to 5 conditions per place. [2023-11-29 01:11:41,740 INFO L140 encePairwiseOnDemand]: 122/127 looper letters, 7 selfloop transitions, 4 changer transitions 0/95 dead transitions. [2023-11-29 01:11:41,740 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 103 places, 95 transitions, 220 flow [2023-11-29 01:11:41,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 01:11:41,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-29 01:11:41,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 666 transitions. [2023-11-29 01:11:41,745 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8740157480314961 [2023-11-29 01:11:41,745 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 666 transitions. [2023-11-29 01:11:41,745 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 666 transitions. [2023-11-29 01:11:41,746 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 01:11:41,746 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 666 transitions. [2023-11-29 01:11:41,749 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 111.0) internal successors, (666), 6 states have internal predecessors, (666), 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) [2023-11-29 01:11:41,753 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 127.0) internal successors, (889), 7 states have internal predecessors, (889), 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) [2023-11-29 01:11:41,754 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 127.0) internal successors, (889), 7 states have internal predecessors, (889), 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) [2023-11-29 01:11:41,755 INFO L175 Difference]: Start difference. First operand has 99 places, 96 transitions, 200 flow. Second operand 6 states and 666 transitions. [2023-11-29 01:11:41,755 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 103 places, 95 transitions, 220 flow [2023-11-29 01:11:41,757 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 101 places, 95 transitions, 216 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 01:11:41,759 INFO L231 Difference]: Finished difference. Result has 101 places, 95 transitions, 202 flow [2023-11-29 01:11:41,760 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=127, PETRI_DIFFERENCE_MINUEND_FLOW=194, PETRI_DIFFERENCE_MINUEND_PLACES=96, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=95, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=91, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=202, PETRI_PLACES=101, PETRI_TRANSITIONS=95} [2023-11-29 01:11:41,761 INFO L281 CegarLoopForPetriNet]: 102 programPoint places, -1 predicate places. [2023-11-29 01:11:41,761 INFO L495 AbstractCegarLoop]: Abstraction has has 101 places, 95 transitions, 202 flow [2023-11-29 01:11:41,762 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 110.33333333333333) internal successors, (662), 6 states have internal predecessors, (662), 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) [2023-11-29 01:11:41,762 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 01:11:41,762 INFO L208 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] [2023-11-29 01:11:41,763 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-29 01:11:41,763 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting thread2Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread2Err0ASSERT_VIOLATIONDATA_RACE, thread2Err1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (and 9 more)] === [2023-11-29 01:11:41,764 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:11:41,764 INFO L85 PathProgramCache]: Analyzing trace with hash 377689697, now seen corresponding path program 1 times [2023-11-29 01:11:41,765 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:11:41,765 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [772927402] [2023-11-29 01:11:41,765 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:11:41,765 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:11:41,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:11:41,841 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 01:11:41,841 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:11:41,841 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [772927402] [2023-11-29 01:11:41,842 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [772927402] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 01:11:41,842 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 01:11:41,842 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 01:11:41,842 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [817651606] [2023-11-29 01:11:41,843 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 01:11:41,843 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 01:11:41,844 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:11:41,844 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 01:11:41,845 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 01:11:41,865 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 106 out of 127 [2023-11-29 01:11:41,866 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 101 places, 95 transitions, 202 flow. Second operand has 3 states, 3 states have (on average 108.0) internal successors, (324), 3 states have internal predecessors, (324), 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) [2023-11-29 01:11:41,866 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 01:11:41,866 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 106 of 127 [2023-11-29 01:11:41,866 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 01:11:41,904 INFO L124 PetriNetUnfolderBase]: 2/91 cut-off events. [2023-11-29 01:11:41,904 INFO L125 PetriNetUnfolderBase]: For 2/6 co-relation queries the response was YES. [2023-11-29 01:11:41,904 INFO L83 FinitePrefix]: Finished finitePrefix Result has 113 conditions, 91 events. 2/91 cut-off events. For 2/6 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 65 event pairs, 0 based on Foata normal form. 1/89 useless extension candidates. Maximal degree in co-relation 73. Up to 9 conditions per place. [2023-11-29 01:11:41,905 INFO L140 encePairwiseOnDemand]: 122/127 looper letters, 12 selfloop transitions, 1 changer transitions 0/91 dead transitions. [2023-11-29 01:11:41,905 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 99 places, 91 transitions, 220 flow [2023-11-29 01:11:41,906 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 01:11:41,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 01:11:41,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 335 transitions. [2023-11-29 01:11:41,908 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8792650918635171 [2023-11-29 01:11:41,908 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 335 transitions. [2023-11-29 01:11:41,908 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 335 transitions. [2023-11-29 01:11:41,909 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 01:11:41,909 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 335 transitions. [2023-11-29 01:11:41,910 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 111.66666666666667) internal successors, (335), 3 states have internal predecessors, (335), 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) [2023-11-29 01:11:41,912 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 127.0) internal successors, (508), 4 states have internal predecessors, (508), 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) [2023-11-29 01:11:41,912 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 127.0) internal successors, (508), 4 states have internal predecessors, (508), 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) [2023-11-29 01:11:41,913 INFO L175 Difference]: Start difference. First operand has 101 places, 95 transitions, 202 flow. Second operand 3 states and 335 transitions. [2023-11-29 01:11:41,913 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 99 places, 91 transitions, 220 flow [2023-11-29 01:11:41,914 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 95 places, 91 transitions, 213 flow, removed 0 selfloop flow, removed 4 redundant places. [2023-11-29 01:11:41,916 INFO L231 Difference]: Finished difference. Result has 95 places, 91 transitions, 189 flow [2023-11-29 01:11:41,917 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=127, PETRI_DIFFERENCE_MINUEND_FLOW=187, PETRI_DIFFERENCE_MINUEND_PLACES=93, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=91, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=90, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=189, PETRI_PLACES=95, PETRI_TRANSITIONS=91} [2023-11-29 01:11:41,918 INFO L281 CegarLoopForPetriNet]: 102 programPoint places, -7 predicate places. [2023-11-29 01:11:41,918 INFO L495 AbstractCegarLoop]: Abstraction has has 95 places, 91 transitions, 189 flow [2023-11-29 01:11:41,919 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 108.0) internal successors, (324), 3 states have internal predecessors, (324), 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) [2023-11-29 01:11:41,919 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 01:11:41,919 INFO L208 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] [2023-11-29 01:11:41,919 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-29 01:11:41,920 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread2Err0ASSERT_VIOLATIONDATA_RACE, thread2Err1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (and 9 more)] === [2023-11-29 01:11:41,920 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:11:41,920 INFO L85 PathProgramCache]: Analyzing trace with hash 1966376406, now seen corresponding path program 1 times [2023-11-29 01:11:41,921 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:11:41,921 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1976534877] [2023-11-29 01:11:41,921 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:11:41,921 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:11:41,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:11:42,435 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 01:11:42,435 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:11:42,436 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1976534877] [2023-11-29 01:11:42,436 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1976534877] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 01:11:42,436 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 01:11:42,436 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-29 01:11:42,437 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1006378854] [2023-11-29 01:11:42,437 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 01:11:42,437 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 01:11:42,438 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:11:42,438 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 01:11:42,439 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-29 01:11:42,581 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 109 out of 127 [2023-11-29 01:11:42,583 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 95 places, 91 transitions, 189 flow. Second operand has 6 states, 6 states have (on average 110.66666666666667) internal successors, (664), 6 states have internal predecessors, (664), 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) [2023-11-29 01:11:42,583 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 01:11:42,583 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 109 of 127 [2023-11-29 01:11:42,583 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 01:11:42,618 INFO L124 PetriNetUnfolderBase]: 2/90 cut-off events. [2023-11-29 01:11:42,618 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2023-11-29 01:11:42,619 INFO L83 FinitePrefix]: Finished finitePrefix Result has 108 conditions, 90 events. 2/90 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 61 event pairs, 0 based on Foata normal form. 0/88 useless extension candidates. Maximal degree in co-relation 69. Up to 6 conditions per place. [2023-11-29 01:11:42,619 INFO L140 encePairwiseOnDemand]: 122/127 looper letters, 7 selfloop transitions, 4 changer transitions 0/90 dead transitions. [2023-11-29 01:11:42,619 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 99 places, 90 transitions, 209 flow [2023-11-29 01:11:42,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 01:11:42,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-29 01:11:42,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 666 transitions. [2023-11-29 01:11:42,623 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8740157480314961 [2023-11-29 01:11:42,623 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 666 transitions. [2023-11-29 01:11:42,623 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 666 transitions. [2023-11-29 01:11:42,624 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 01:11:42,624 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 666 transitions. [2023-11-29 01:11:42,626 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 111.0) internal successors, (666), 6 states have internal predecessors, (666), 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) [2023-11-29 01:11:42,629 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 127.0) internal successors, (889), 7 states have internal predecessors, (889), 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) [2023-11-29 01:11:42,630 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 127.0) internal successors, (889), 7 states have internal predecessors, (889), 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) [2023-11-29 01:11:42,630 INFO L175 Difference]: Start difference. First operand has 95 places, 91 transitions, 189 flow. Second operand 6 states and 666 transitions. [2023-11-29 01:11:42,630 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 99 places, 90 transitions, 209 flow [2023-11-29 01:11:42,631 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 98 places, 90 transitions, 208 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-11-29 01:11:42,634 INFO L231 Difference]: Finished difference. Result has 98 places, 90 transitions, 194 flow [2023-11-29 01:11:42,634 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=127, PETRI_DIFFERENCE_MINUEND_FLOW=186, PETRI_DIFFERENCE_MINUEND_PLACES=93, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=90, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=86, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=194, PETRI_PLACES=98, PETRI_TRANSITIONS=90} [2023-11-29 01:11:42,635 INFO L281 CegarLoopForPetriNet]: 102 programPoint places, -4 predicate places. [2023-11-29 01:11:42,635 INFO L495 AbstractCegarLoop]: Abstraction has has 98 places, 90 transitions, 194 flow [2023-11-29 01:11:42,636 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 110.66666666666667) internal successors, (664), 6 states have internal predecessors, (664), 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) [2023-11-29 01:11:42,636 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 01:11:42,636 INFO L208 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] [2023-11-29 01:11:42,636 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-29 01:11:42,637 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread2Err0ASSERT_VIOLATIONDATA_RACE, thread2Err1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (and 9 more)] === [2023-11-29 01:11:42,637 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:11:42,637 INFO L85 PathProgramCache]: Analyzing trace with hash -110397610, now seen corresponding path program 1 times [2023-11-29 01:11:42,637 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:11:42,638 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [987112295] [2023-11-29 01:11:42,638 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:11:42,638 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:11:42,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:11:42,762 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 01:11:42,762 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:11:42,763 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [987112295] [2023-11-29 01:11:42,763 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [987112295] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 01:11:42,763 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 01:11:42,763 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-29 01:11:42,763 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [370207028] [2023-11-29 01:11:42,763 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 01:11:42,764 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-29 01:11:42,764 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:11:42,765 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-29 01:11:42,765 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-29 01:11:42,790 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 114 out of 127 [2023-11-29 01:11:42,791 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 98 places, 90 transitions, 194 flow. Second operand has 4 states, 4 states have (on average 116.25) internal successors, (465), 4 states have internal predecessors, (465), 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) [2023-11-29 01:11:42,792 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 01:11:42,792 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 114 of 127 [2023-11-29 01:11:42,792 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 01:11:42,850 INFO L124 PetriNetUnfolderBase]: 1/89 cut-off events. [2023-11-29 01:11:42,851 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2023-11-29 01:11:42,851 INFO L83 FinitePrefix]: Finished finitePrefix Result has 108 conditions, 89 events. 1/89 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 2. Compared 35 event pairs, 0 based on Foata normal form. 1/89 useless extension candidates. Maximal degree in co-relation 84. Up to 4 conditions per place. [2023-11-29 01:11:42,851 INFO L140 encePairwiseOnDemand]: 123/127 looper letters, 5 selfloop transitions, 3 changer transitions 0/89 dead transitions. [2023-11-29 01:11:42,851 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 102 places, 89 transitions, 208 flow [2023-11-29 01:11:42,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-29 01:11:42,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2023-11-29 01:11:42,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 579 transitions. [2023-11-29 01:11:42,854 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9118110236220472 [2023-11-29 01:11:42,854 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 579 transitions. [2023-11-29 01:11:42,855 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 579 transitions. [2023-11-29 01:11:42,855 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 01:11:42,855 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 579 transitions. [2023-11-29 01:11:42,858 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 115.8) internal successors, (579), 5 states have internal predecessors, (579), 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) [2023-11-29 01:11:42,860 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 127.0) internal successors, (762), 6 states have internal predecessors, (762), 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) [2023-11-29 01:11:42,860 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 127.0) internal successors, (762), 6 states have internal predecessors, (762), 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) [2023-11-29 01:11:42,860 INFO L175 Difference]: Start difference. First operand has 98 places, 90 transitions, 194 flow. Second operand 5 states and 579 transitions. [2023-11-29 01:11:42,860 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 102 places, 89 transitions, 208 flow [2023-11-29 01:11:42,861 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 98 places, 89 transitions, 201 flow, removed 0 selfloop flow, removed 4 redundant places. [2023-11-29 01:11:42,863 INFO L231 Difference]: Finished difference. Result has 98 places, 89 transitions, 191 flow [2023-11-29 01:11:42,863 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=127, PETRI_DIFFERENCE_MINUEND_FLOW=185, PETRI_DIFFERENCE_MINUEND_PLACES=94, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=89, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=86, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=191, PETRI_PLACES=98, PETRI_TRANSITIONS=89} [2023-11-29 01:11:42,864 INFO L281 CegarLoopForPetriNet]: 102 programPoint places, -4 predicate places. [2023-11-29 01:11:42,864 INFO L495 AbstractCegarLoop]: Abstraction has has 98 places, 89 transitions, 191 flow [2023-11-29 01:11:42,865 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 116.25) internal successors, (465), 4 states have internal predecessors, (465), 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) [2023-11-29 01:11:42,865 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 01:11:42,865 INFO L208 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] [2023-11-29 01:11:42,865 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-29 01:11:42,865 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread2Err0ASSERT_VIOLATIONDATA_RACE, thread2Err1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (and 9 more)] === [2023-11-29 01:11:42,866 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:11:42,866 INFO L85 PathProgramCache]: Analyzing trace with hash -230706897, now seen corresponding path program 1 times [2023-11-29 01:11:42,866 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:11:42,866 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [721101713] [2023-11-29 01:11:42,866 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:11:42,866 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:11:42,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:11:43,007 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 01:11:43,008 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:11:43,008 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [721101713] [2023-11-29 01:11:43,008 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [721101713] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 01:11:43,008 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 01:11:43,008 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 01:11:43,009 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1377448940] [2023-11-29 01:11:43,009 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 01:11:43,009 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 01:11:43,010 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:11:43,010 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 01:11:43,010 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 01:11:43,052 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 114 out of 127 [2023-11-29 01:11:43,053 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 98 places, 89 transitions, 191 flow. Second operand has 3 states, 3 states have (on average 116.66666666666667) internal successors, (350), 3 states have internal predecessors, (350), 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) [2023-11-29 01:11:43,053 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 01:11:43,053 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 114 of 127 [2023-11-29 01:11:43,053 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 01:11:43,071 INFO L124 PetriNetUnfolderBase]: 1/88 cut-off events. [2023-11-29 01:11:43,071 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2023-11-29 01:11:43,072 INFO L83 FinitePrefix]: Finished finitePrefix Result has 106 conditions, 88 events. 1/88 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 2. Compared 35 event pairs, 0 based on Foata normal form. 1/88 useless extension candidates. Maximal degree in co-relation 68. Up to 7 conditions per place. [2023-11-29 01:11:43,072 INFO L140 encePairwiseOnDemand]: 125/127 looper letters, 0 selfloop transitions, 0 changer transitions 88/88 dead transitions. [2023-11-29 01:11:43,072 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 99 places, 88 transitions, 203 flow [2023-11-29 01:11:43,073 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 01:11:43,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 01:11:43,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 350 transitions. [2023-11-29 01:11:43,074 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9186351706036745 [2023-11-29 01:11:43,074 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 350 transitions. [2023-11-29 01:11:43,074 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 350 transitions. [2023-11-29 01:11:43,075 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 01:11:43,075 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 350 transitions. [2023-11-29 01:11:43,076 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 116.66666666666667) internal successors, (350), 3 states have internal predecessors, (350), 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) [2023-11-29 01:11:43,077 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 127.0) internal successors, (508), 4 states have internal predecessors, (508), 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) [2023-11-29 01:11:43,077 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 127.0) internal successors, (508), 4 states have internal predecessors, (508), 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) [2023-11-29 01:11:43,078 INFO L175 Difference]: Start difference. First operand has 98 places, 89 transitions, 191 flow. Second operand 3 states and 350 transitions. [2023-11-29 01:11:43,078 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 99 places, 88 transitions, 203 flow [2023-11-29 01:11:43,079 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 96 places, 88 transitions, 198 flow, removed 0 selfloop flow, removed 3 redundant places. [2023-11-29 01:11:43,079 INFO L231 Difference]: Finished difference. Result has 96 places, 0 transitions, 0 flow [2023-11-29 01:11:43,080 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=127, PETRI_DIFFERENCE_MINUEND_FLOW=184, PETRI_DIFFERENCE_MINUEND_PLACES=94, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=88, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=88, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=96, PETRI_TRANSITIONS=0} [2023-11-29 01:11:43,080 INFO L281 CegarLoopForPetriNet]: 102 programPoint places, -6 predicate places. [2023-11-29 01:11:43,081 INFO L495 AbstractCegarLoop]: Abstraction has has 96 places, 0 transitions, 0 flow [2023-11-29 01:11:43,081 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 116.66666666666667) internal successors, (350), 3 states have internal predecessors, (350), 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) [2023-11-29 01:11:43,083 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (12 of 13 remaining) [2023-11-29 01:11:43,084 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (11 of 13 remaining) [2023-11-29 01:11:43,084 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (10 of 13 remaining) [2023-11-29 01:11:43,084 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (9 of 13 remaining) [2023-11-29 01:11:43,085 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (8 of 13 remaining) [2023-11-29 01:11:43,085 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (7 of 13 remaining) [2023-11-29 01:11:43,085 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (6 of 13 remaining) [2023-11-29 01:11:43,085 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (5 of 13 remaining) [2023-11-29 01:11:43,085 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (4 of 13 remaining) [2023-11-29 01:11:43,086 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (3 of 13 remaining) [2023-11-29 01:11:43,086 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (2 of 13 remaining) [2023-11-29 01:11:43,086 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (1 of 13 remaining) [2023-11-29 01:11:43,086 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (0 of 13 remaining) [2023-11-29 01:11:43,086 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-11-29 01:11:43,087 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1] [2023-11-29 01:11:43,092 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-11-29 01:11:43,092 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-29 01:11:43,098 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.11 01:11:43 BasicIcfg [2023-11-29 01:11:43,098 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-29 01:11:43,099 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-29 01:11:43,099 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-29 01:11:43,099 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-29 01:11:43,099 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 01:11:40" (3/4) ... [2023-11-29 01:11:43,101 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-29 01:11:43,105 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2023-11-29 01:11:43,105 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2023-11-29 01:11:43,111 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2023-11-29 01:11:43,111 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2023-11-29 01:11:43,111 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-11-29 01:11:43,112 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-29 01:11:43,112 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-29 01:11:43,202 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fdbc7c2-57d9-4589-9b23-535cd1cc1041/bin/uautomizer-verify-BQ2R08f2Ya/witness.graphml [2023-11-29 01:11:43,203 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fdbc7c2-57d9-4589-9b23-535cd1cc1041/bin/uautomizer-verify-BQ2R08f2Ya/witness.yml [2023-11-29 01:11:43,203 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-29 01:11:43,204 INFO L158 Benchmark]: Toolchain (without parser) took 4034.34ms. Allocated memory was 123.7MB in the beginning and 148.9MB in the end (delta: 25.2MB). Free memory was 85.7MB in the beginning and 67.7MB in the end (delta: 18.1MB). Peak memory consumption was 44.3MB. Max. memory is 16.1GB. [2023-11-29 01:11:43,205 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 123.7MB. Free memory was 95.8MB in the beginning and 95.7MB in the end (delta: 151.5kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-29 01:11:43,205 INFO L158 Benchmark]: CACSL2BoogieTranslator took 601.35ms. Allocated memory is still 123.7MB. Free memory was 85.4MB in the beginning and 52.4MB in the end (delta: 32.9MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2023-11-29 01:11:43,205 INFO L158 Benchmark]: Boogie Procedure Inliner took 62.74ms. Allocated memory is still 123.7MB. Free memory was 52.4MB in the beginning and 94.0MB in the end (delta: -41.6MB). Peak memory consumption was 7.6MB. Max. memory is 16.1GB. [2023-11-29 01:11:43,206 INFO L158 Benchmark]: Boogie Preprocessor took 28.74ms. Allocated memory is still 123.7MB. Free memory was 94.0MB in the beginning and 92.1MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-29 01:11:43,206 INFO L158 Benchmark]: RCFGBuilder took 463.64ms. Allocated memory is still 123.7MB. Free memory was 92.1MB in the beginning and 75.3MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-29 01:11:43,207 INFO L158 Benchmark]: TraceAbstraction took 2767.37ms. Allocated memory was 123.7MB in the beginning and 148.9MB in the end (delta: 25.2MB). Free memory was 74.9MB in the beginning and 71.8MB in the end (delta: 3.1MB). Peak memory consumption was 28.2MB. Max. memory is 16.1GB. [2023-11-29 01:11:43,207 INFO L158 Benchmark]: Witness Printer took 104.46ms. Allocated memory is still 148.9MB. Free memory was 71.8MB in the beginning and 67.7MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-29 01:11:43,209 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 123.7MB. Free memory was 95.8MB in the beginning and 95.7MB in the end (delta: 151.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 601.35ms. Allocated memory is still 123.7MB. Free memory was 85.4MB in the beginning and 52.4MB in the end (delta: 32.9MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 62.74ms. Allocated memory is still 123.7MB. Free memory was 52.4MB in the beginning and 94.0MB in the end (delta: -41.6MB). Peak memory consumption was 7.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 28.74ms. Allocated memory is still 123.7MB. Free memory was 94.0MB in the beginning and 92.1MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 463.64ms. Allocated memory is still 123.7MB. Free memory was 92.1MB in the beginning and 75.3MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 2767.37ms. Allocated memory was 123.7MB in the beginning and 148.9MB in the end (delta: 25.2MB). Free memory was 74.9MB in the beginning and 71.8MB in the end (delta: 3.1MB). Peak memory consumption was 28.2MB. Max. memory is 16.1GB. * Witness Printer took 104.46ms. Allocated memory is still 148.9MB. Free memory was 71.8MB in the beginning and 67.7MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 1111]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1116]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1116]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1123]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1125]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1126]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1126]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1126]: there are no data races For all program executions holds that there are no data races at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 160 locations, 13 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 2.6s, OverallIterations: 6, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 271 SdHoareTripleChecker+Valid, 0.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 116 mSDsluCounter, 56 SdHoareTripleChecker+Invalid, 0.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 3 mSDsCounter, 75 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 394 IncrementalHoareTripleChecker+Invalid, 469 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 75 mSolverCounterUnsat, 53 mSDtfsCounter, 394 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 23 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=208occurred in iteration=0, InterpolantAutomatonStates: 26, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.4s InterpolantComputationTime, 329 NumberOfCodeBlocks, 329 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 323 ConstructedInterpolants, 0 QuantifiedInterpolants, 597 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 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 - AllSpecificationsHoldResult: All specifications hold 8 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2023-11-29 01:11:43,227 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fdbc7c2-57d9-4589-9b23-535cd1cc1041/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE