./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/weaver/popl20-more-array-sum-alt2.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 4fc63b2a Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad49f11d-096c-4d76-a8e9-9ffacd728985/bin/uautomizer-verify-4GaUIPS5ZU/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad49f11d-096c-4d76-a8e9-9ffacd728985/bin/uautomizer-verify-4GaUIPS5ZU/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad49f11d-096c-4d76-a8e9-9ffacd728985/bin/uautomizer-verify-4GaUIPS5ZU/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad49f11d-096c-4d76-a8e9-9ffacd728985/bin/uautomizer-verify-4GaUIPS5ZU/config/AutomizerReach.xml -i ../../sv-benchmarks/c/weaver/popl20-more-array-sum-alt2.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad49f11d-096c-4d76-a8e9-9ffacd728985/bin/uautomizer-verify-4GaUIPS5ZU/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad49f11d-096c-4d76-a8e9-9ffacd728985/bin/uautomizer-verify-4GaUIPS5ZU --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 1d936eafcc314e66bb4cd572754c58bf1f2fc59d35c83764f43dae769bce220a --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4fc63b2 [2024-10-31 22:05:26,894 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-31 22:05:27,010 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad49f11d-096c-4d76-a8e9-9ffacd728985/bin/uautomizer-verify-4GaUIPS5ZU/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-10-31 22:05:27,020 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-31 22:05:27,021 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-31 22:05:27,067 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-31 22:05:27,068 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-31 22:05:27,068 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-31 22:05:27,069 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-31 22:05:27,070 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-31 22:05:27,070 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-31 22:05:27,071 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-31 22:05:27,072 INFO L153 SettingsManager]: * Use SBE=true [2024-10-31 22:05:27,074 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-31 22:05:27,075 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-31 22:05:27,075 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-31 22:05:27,075 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-31 22:05:27,080 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-31 22:05:27,080 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-31 22:05:27,081 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-31 22:05:27,081 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-31 22:05:27,082 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-31 22:05:27,082 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-10-31 22:05:27,082 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-31 22:05:27,083 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-31 22:05:27,083 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-31 22:05:27,083 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-31 22:05:27,083 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-31 22:05:27,084 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-31 22:05:27,084 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-31 22:05:27,084 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-31 22:05:27,085 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-31 22:05:27,088 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-31 22:05:27,089 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-31 22:05:27,089 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-31 22:05:27,090 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-31 22:05:27,090 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-31 22:05:27,090 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-31 22:05:27,091 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-31 22:05:27,091 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-31 22:05:27,091 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-31 22:05:27,092 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_ad49f11d-096c-4d76-a8e9-9ffacd728985/bin/uautomizer-verify-4GaUIPS5ZU/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad49f11d-096c-4d76-a8e9-9ffacd728985/bin/uautomizer-verify-4GaUIPS5ZU Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1d936eafcc314e66bb4cd572754c58bf1f2fc59d35c83764f43dae769bce220a [2024-10-31 22:05:27,455 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-31 22:05:27,486 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-31 22:05:27,490 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-31 22:05:27,492 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-31 22:05:27,493 INFO L274 PluginConnector]: CDTParser initialized [2024-10-31 22:05:27,495 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad49f11d-096c-4d76-a8e9-9ffacd728985/bin/uautomizer-verify-4GaUIPS5ZU/../../sv-benchmarks/c/weaver/popl20-more-array-sum-alt2.wvr.c Unable to find full path for "g++" [2024-10-31 22:05:29,887 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-31 22:05:30,125 INFO L384 CDTParser]: Found 1 translation units. [2024-10-31 22:05:30,126 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad49f11d-096c-4d76-a8e9-9ffacd728985/sv-benchmarks/c/weaver/popl20-more-array-sum-alt2.wvr.c [2024-10-31 22:05:30,138 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad49f11d-096c-4d76-a8e9-9ffacd728985/bin/uautomizer-verify-4GaUIPS5ZU/data/83f529a5d/3001c3c96e574df5bcc2db5aa34007d3/FLAG99c1f7bf9 [2024-10-31 22:05:30,161 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad49f11d-096c-4d76-a8e9-9ffacd728985/bin/uautomizer-verify-4GaUIPS5ZU/data/83f529a5d/3001c3c96e574df5bcc2db5aa34007d3 [2024-10-31 22:05:30,165 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-31 22:05:30,170 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-31 22:05:30,172 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-31 22:05:30,174 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-31 22:05:30,181 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-31 22:05:30,182 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 10:05:30" (1/1) ... [2024-10-31 22:05:30,184 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@459d09a5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:05:30, skipping insertion in model container [2024-10-31 22:05:30,184 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 10:05:30" (1/1) ... [2024-10-31 22:05:30,223 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-31 22:05:30,569 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 22:05:30,579 INFO L200 MainTranslator]: Completed pre-run [2024-10-31 22:05:30,635 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 22:05:30,663 INFO L204 MainTranslator]: Completed translation [2024-10-31 22:05:30,664 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:05:30 WrapperNode [2024-10-31 22:05:30,664 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-31 22:05:30,665 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-31 22:05:30,665 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-31 22:05:30,666 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-31 22:05:30,675 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:05:30" (1/1) ... [2024-10-31 22:05:30,691 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:05:30" (1/1) ... [2024-10-31 22:05:30,742 INFO L138 Inliner]: procedures = 24, calls = 31, calls flagged for inlining = 13, calls inlined = 17, statements flattened = 266 [2024-10-31 22:05:30,742 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-31 22:05:30,747 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-31 22:05:30,747 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-31 22:05:30,748 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-31 22:05:30,759 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:05:30" (1/1) ... [2024-10-31 22:05:30,759 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:05:30" (1/1) ... [2024-10-31 22:05:30,764 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:05:30" (1/1) ... [2024-10-31 22:05:30,764 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:05:30" (1/1) ... [2024-10-31 22:05:30,776 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:05:30" (1/1) ... [2024-10-31 22:05:30,780 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:05:30" (1/1) ... [2024-10-31 22:05:30,783 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:05:30" (1/1) ... [2024-10-31 22:05:30,785 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:05:30" (1/1) ... [2024-10-31 22:05:30,788 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-31 22:05:30,790 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-31 22:05:30,790 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-31 22:05:30,790 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-31 22:05:30,791 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:05:30" (1/1) ... [2024-10-31 22:05:30,805 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-31 22:05:30,827 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad49f11d-096c-4d76-a8e9-9ffacd728985/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:05:30,846 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad49f11d-096c-4d76-a8e9-9ffacd728985/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-31 22:05:30,849 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad49f11d-096c-4d76-a8e9-9ffacd728985/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-31 22:05:30,894 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-31 22:05:30,895 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-10-31 22:05:30,895 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-10-31 22:05:30,895 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-10-31 22:05:30,895 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-10-31 22:05:30,896 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-10-31 22:05:30,896 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-10-31 22:05:30,896 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-10-31 22:05:30,896 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-10-31 22:05:30,896 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-10-31 22:05:30,897 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-10-31 22:05:30,897 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-10-31 22:05:30,897 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-31 22:05:30,897 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-31 22:05:30,898 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-10-31 22:05:30,900 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-10-31 22:05:31,060 INFO L238 CfgBuilder]: Building ICFG [2024-10-31 22:05:31,063 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-31 22:05:31,704 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-10-31 22:05:31,704 INFO L287 CfgBuilder]: Performing block encoding [2024-10-31 22:05:32,038 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-31 22:05:32,038 INFO L316 CfgBuilder]: Removed 4 assume(true) statements. [2024-10-31 22:05:32,038 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 10:05:32 BoogieIcfgContainer [2024-10-31 22:05:32,039 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-31 22:05:32,044 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-31 22:05:32,045 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-31 22:05:32,048 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-31 22:05:32,048 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.10 10:05:30" (1/3) ... [2024-10-31 22:05:32,049 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2c816b80 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.10 10:05:32, skipping insertion in model container [2024-10-31 22:05:32,050 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:05:30" (2/3) ... [2024-10-31 22:05:32,050 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2c816b80 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.10 10:05:32, skipping insertion in model container [2024-10-31 22:05:32,050 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 10:05:32" (3/3) ... [2024-10-31 22:05:32,052 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-more-array-sum-alt2.wvr.c [2024-10-31 22:05:32,073 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-31 22:05:32,074 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 26 error locations. [2024-10-31 22:05:32,075 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-10-31 22:05:32,171 INFO L143 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2024-10-31 22:05:32,224 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 216 places, 219 transitions, 459 flow [2024-10-31 22:05:32,346 INFO L124 PetriNetUnfolderBase]: 13/216 cut-off events. [2024-10-31 22:05:32,347 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2024-10-31 22:05:32,352 INFO L83 FinitePrefix]: Finished finitePrefix Result has 229 conditions, 216 events. 13/216 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 252 event pairs, 0 based on Foata normal form. 0/177 useless extension candidates. Maximal degree in co-relation 170. Up to 2 conditions per place. [2024-10-31 22:05:32,353 INFO L82 GeneralOperation]: Start removeDead. Operand has 216 places, 219 transitions, 459 flow [2024-10-31 22:05:32,358 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 197 places, 199 transitions, 416 flow [2024-10-31 22:05:32,367 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-31 22:05:32,374 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;@d642fc6, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-31 22:05:32,374 INFO L334 AbstractCegarLoop]: Starting to check reachability of 45 error locations. [2024-10-31 22:05:32,380 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-10-31 22:05:32,380 INFO L124 PetriNetUnfolderBase]: 0/21 cut-off events. [2024-10-31 22:05:32,380 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-10-31 22:05:32,381 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 22:05:32,381 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:05:32,382 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 41 more)] === [2024-10-31 22:05:32,387 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:05:32,388 INFO L85 PathProgramCache]: Analyzing trace with hash -1197444582, now seen corresponding path program 1 times [2024-10-31 22:05:32,395 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:05:32,396 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1103430746] [2024-10-31 22:05:32,396 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:05:32,396 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:05:32,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:05:32,573 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:05:32,573 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:05:32,574 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1103430746] [2024-10-31 22:05:32,574 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1103430746] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:05:32,574 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:05:32,575 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-31 22:05:32,577 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [678117915] [2024-10-31 22:05:32,578 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:05:32,586 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 22:05:32,592 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:05:32,623 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 22:05:32,624 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 22:05:32,678 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 178 out of 219 [2024-10-31 22:05:32,685 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 197 places, 199 transitions, 416 flow. Second operand has 3 states, 3 states have (on average 179.33333333333334) internal successors, (538), 3 states have internal predecessors, (538), 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) [2024-10-31 22:05:32,686 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 22:05:32,686 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 178 of 219 [2024-10-31 22:05:32,687 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 22:05:32,905 INFO L124 PetriNetUnfolderBase]: 58/414 cut-off events. [2024-10-31 22:05:32,905 INFO L125 PetriNetUnfolderBase]: For 48/48 co-relation queries the response was YES. [2024-10-31 22:05:32,910 INFO L83 FinitePrefix]: Finished finitePrefix Result has 543 conditions, 414 events. 58/414 cut-off events. For 48/48 co-relation queries the response was YES. Maximal size of possible extension queue 22. Compared 1642 event pairs, 38 based on Foata normal form. 27/383 useless extension candidates. Maximal degree in co-relation 272. Up to 92 conditions per place. [2024-10-31 22:05:32,913 INFO L140 encePairwiseOnDemand]: 197/219 looper letters, 16 selfloop transitions, 2 changer transitions 3/179 dead transitions. [2024-10-31 22:05:32,913 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 186 places, 179 transitions, 412 flow [2024-10-31 22:05:32,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 22:05:32,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-31 22:05:32,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 572 transitions. [2024-10-31 22:05:32,931 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8706240487062404 [2024-10-31 22:05:32,935 INFO L175 Difference]: Start difference. First operand has 197 places, 199 transitions, 416 flow. Second operand 3 states and 572 transitions. [2024-10-31 22:05:32,936 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 186 places, 179 transitions, 412 flow [2024-10-31 22:05:32,940 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 180 places, 179 transitions, 400 flow, removed 0 selfloop flow, removed 6 redundant places. [2024-10-31 22:05:32,946 INFO L231 Difference]: Finished difference. Result has 180 places, 176 transitions, 362 flow [2024-10-31 22:05:32,948 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=219, PETRI_DIFFERENCE_MINUEND_FLOW=364, PETRI_DIFFERENCE_MINUEND_PLACES=178, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=179, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=177, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=362, PETRI_PLACES=180, PETRI_TRANSITIONS=176} [2024-10-31 22:05:32,954 INFO L277 CegarLoopForPetriNet]: 197 programPoint places, -17 predicate places. [2024-10-31 22:05:32,954 INFO L471 AbstractCegarLoop]: Abstraction has has 180 places, 176 transitions, 362 flow [2024-10-31 22:05:32,955 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 179.33333333333334) internal successors, (538), 3 states have internal predecessors, (538), 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) [2024-10-31 22:05:32,955 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 22:05:32,955 INFO L204 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] [2024-10-31 22:05:32,957 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-31 22:05:32,957 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 41 more)] === [2024-10-31 22:05:32,958 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:05:32,958 INFO L85 PathProgramCache]: Analyzing trace with hash 2070360033, now seen corresponding path program 1 times [2024-10-31 22:05:32,958 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:05:32,959 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1715392627] [2024-10-31 22:05:32,959 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:05:32,960 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:05:32,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:05:33,034 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:05:33,034 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:05:33,035 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1715392627] [2024-10-31 22:05:33,035 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1715392627] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:05:33,035 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:05:33,036 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-31 22:05:33,036 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1822635783] [2024-10-31 22:05:33,036 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:05:33,037 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 22:05:33,039 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:05:33,039 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 22:05:33,043 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 22:05:33,093 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 178 out of 219 [2024-10-31 22:05:33,094 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 180 places, 176 transitions, 362 flow. Second operand has 3 states, 3 states have (on average 179.33333333333334) internal successors, (538), 3 states have internal predecessors, (538), 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) [2024-10-31 22:05:33,094 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 22:05:33,095 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 178 of 219 [2024-10-31 22:05:33,095 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 22:05:33,218 INFO L124 PetriNetUnfolderBase]: 62/440 cut-off events. [2024-10-31 22:05:33,218 INFO L125 PetriNetUnfolderBase]: For 9/9 co-relation queries the response was YES. [2024-10-31 22:05:33,222 INFO L83 FinitePrefix]: Finished finitePrefix Result has 556 conditions, 440 events. 62/440 cut-off events. For 9/9 co-relation queries the response was YES. Maximal size of possible extension queue 17. Compared 1681 event pairs, 34 based on Foata normal form. 0/386 useless extension candidates. Maximal degree in co-relation 526. Up to 100 conditions per place. [2024-10-31 22:05:33,224 INFO L140 encePairwiseOnDemand]: 216/219 looper letters, 16 selfloop transitions, 2 changer transitions 0/175 dead transitions. [2024-10-31 22:05:33,225 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 178 places, 175 transitions, 396 flow [2024-10-31 22:05:33,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 22:05:33,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-31 22:05:33,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 553 transitions. [2024-10-31 22:05:33,232 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8417047184170472 [2024-10-31 22:05:33,232 INFO L175 Difference]: Start difference. First operand has 180 places, 176 transitions, 362 flow. Second operand 3 states and 553 transitions. [2024-10-31 22:05:33,233 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 178 places, 175 transitions, 396 flow [2024-10-31 22:05:33,235 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 176 places, 175 transitions, 392 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-31 22:05:33,239 INFO L231 Difference]: Finished difference. Result has 176 places, 175 transitions, 360 flow [2024-10-31 22:05:33,240 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=219, PETRI_DIFFERENCE_MINUEND_FLOW=356, PETRI_DIFFERENCE_MINUEND_PLACES=174, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=175, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=173, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=360, PETRI_PLACES=176, PETRI_TRANSITIONS=175} [2024-10-31 22:05:33,241 INFO L277 CegarLoopForPetriNet]: 197 programPoint places, -21 predicate places. [2024-10-31 22:05:33,241 INFO L471 AbstractCegarLoop]: Abstraction has has 176 places, 175 transitions, 360 flow [2024-10-31 22:05:33,242 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 179.33333333333334) internal successors, (538), 3 states have internal predecessors, (538), 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) [2024-10-31 22:05:33,243 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 22:05:33,243 INFO L204 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] [2024-10-31 22:05:33,243 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-31 22:05:33,243 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 41 more)] === [2024-10-31 22:05:33,244 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:05:33,246 INFO L85 PathProgramCache]: Analyzing trace with hash 334671783, now seen corresponding path program 1 times [2024-10-31 22:05:33,246 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:05:33,247 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1328131969] [2024-10-31 22:05:33,247 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:05:33,247 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:05:33,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:05:33,327 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:05:33,327 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:05:33,327 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1328131969] [2024-10-31 22:05:33,328 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1328131969] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:05:33,328 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:05:33,328 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-31 22:05:33,328 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1476464886] [2024-10-31 22:05:33,328 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:05:33,329 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 22:05:33,329 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:05:33,329 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 22:05:33,330 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 22:05:33,355 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 176 out of 219 [2024-10-31 22:05:33,356 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 176 places, 175 transitions, 360 flow. Second operand has 3 states, 3 states have (on average 177.0) internal successors, (531), 3 states have internal predecessors, (531), 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) [2024-10-31 22:05:33,357 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 22:05:33,358 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 176 of 219 [2024-10-31 22:05:33,358 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 22:05:33,525 INFO L124 PetriNetUnfolderBase]: 108/532 cut-off events. [2024-10-31 22:05:33,526 INFO L125 PetriNetUnfolderBase]: For 15/15 co-relation queries the response was YES. [2024-10-31 22:05:33,528 INFO L83 FinitePrefix]: Finished finitePrefix Result has 715 conditions, 532 events. 108/532 cut-off events. For 15/15 co-relation queries the response was YES. Maximal size of possible extension queue 29. Compared 2424 event pairs, 59 based on Foata normal form. 0/464 useless extension candidates. Maximal degree in co-relation 677. Up to 164 conditions per place. [2024-10-31 22:05:33,531 INFO L140 encePairwiseOnDemand]: 214/219 looper letters, 17 selfloop transitions, 1 changer transitions 0/171 dead transitions. [2024-10-31 22:05:33,531 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 174 places, 171 transitions, 388 flow [2024-10-31 22:05:33,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 22:05:33,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-31 22:05:33,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 550 transitions. [2024-10-31 22:05:33,533 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.837138508371385 [2024-10-31 22:05:33,533 INFO L175 Difference]: Start difference. First operand has 176 places, 175 transitions, 360 flow. Second operand 3 states and 550 transitions. [2024-10-31 22:05:33,534 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 174 places, 171 transitions, 388 flow [2024-10-31 22:05:33,535 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 172 places, 171 transitions, 384 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-31 22:05:33,538 INFO L231 Difference]: Finished difference. Result has 172 places, 171 transitions, 350 flow [2024-10-31 22:05:33,538 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=219, PETRI_DIFFERENCE_MINUEND_FLOW=348, PETRI_DIFFERENCE_MINUEND_PLACES=170, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=171, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=170, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=350, PETRI_PLACES=172, PETRI_TRANSITIONS=171} [2024-10-31 22:05:33,542 INFO L277 CegarLoopForPetriNet]: 197 programPoint places, -25 predicate places. [2024-10-31 22:05:33,542 INFO L471 AbstractCegarLoop]: Abstraction has has 172 places, 171 transitions, 350 flow [2024-10-31 22:05:33,543 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 177.0) internal successors, (531), 3 states have internal predecessors, (531), 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) [2024-10-31 22:05:33,543 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 22:05:33,543 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:05:33,543 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-31 22:05:33,543 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 41 more)] === [2024-10-31 22:05:33,544 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:05:33,544 INFO L85 PathProgramCache]: Analyzing trace with hash 828223402, now seen corresponding path program 1 times [2024-10-31 22:05:33,544 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:05:33,544 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1468354608] [2024-10-31 22:05:33,544 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:05:33,545 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:05:33,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:05:34,350 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:05:34,350 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:05:34,351 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1468354608] [2024-10-31 22:05:34,351 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1468354608] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:05:34,351 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:05:34,351 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-31 22:05:34,351 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1847726765] [2024-10-31 22:05:34,352 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:05:34,352 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-31 22:05:34,352 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:05:34,354 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-31 22:05:34,354 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-10-31 22:05:34,459 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 175 out of 219 [2024-10-31 22:05:34,460 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 172 places, 171 transitions, 350 flow. Second operand has 6 states, 6 states have (on average 176.5) internal successors, (1059), 6 states have internal predecessors, (1059), 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) [2024-10-31 22:05:34,461 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 22:05:34,461 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 175 of 219 [2024-10-31 22:05:34,461 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 22:05:34,577 INFO L124 PetriNetUnfolderBase]: 30/295 cut-off events. [2024-10-31 22:05:34,578 INFO L125 PetriNetUnfolderBase]: For 5/5 co-relation queries the response was YES. [2024-10-31 22:05:34,579 INFO L83 FinitePrefix]: Finished finitePrefix Result has 363 conditions, 295 events. 30/295 cut-off events. For 5/5 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 833 event pairs, 15 based on Foata normal form. 0/268 useless extension candidates. Maximal degree in co-relation 326. Up to 53 conditions per place. [2024-10-31 22:05:34,582 INFO L140 encePairwiseOnDemand]: 213/219 looper letters, 17 selfloop transitions, 5 changer transitions 0/170 dead transitions. [2024-10-31 22:05:34,582 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 176 places, 170 transitions, 392 flow [2024-10-31 22:05:34,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-31 22:05:34,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-10-31 22:05:34,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1073 transitions. [2024-10-31 22:05:34,586 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8165905631659056 [2024-10-31 22:05:34,586 INFO L175 Difference]: Start difference. First operand has 172 places, 171 transitions, 350 flow. Second operand 6 states and 1073 transitions. [2024-10-31 22:05:34,586 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 176 places, 170 transitions, 392 flow [2024-10-31 22:05:34,588 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 175 places, 170 transitions, 391 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-10-31 22:05:34,590 INFO L231 Difference]: Finished difference. Result has 175 places, 170 transitions, 357 flow [2024-10-31 22:05:34,591 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=219, PETRI_DIFFERENCE_MINUEND_FLOW=347, PETRI_DIFFERENCE_MINUEND_PLACES=170, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=170, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=165, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=357, PETRI_PLACES=175, PETRI_TRANSITIONS=170} [2024-10-31 22:05:34,593 INFO L277 CegarLoopForPetriNet]: 197 programPoint places, -22 predicate places. [2024-10-31 22:05:34,593 INFO L471 AbstractCegarLoop]: Abstraction has has 175 places, 170 transitions, 357 flow [2024-10-31 22:05:34,594 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 176.5) internal successors, (1059), 6 states have internal predecessors, (1059), 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) [2024-10-31 22:05:34,594 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 22:05:34,594 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:05:34,595 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-31 22:05:34,595 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 41 more)] === [2024-10-31 22:05:34,595 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:05:34,595 INFO L85 PathProgramCache]: Analyzing trace with hash -1458259493, now seen corresponding path program 1 times [2024-10-31 22:05:34,596 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:05:34,596 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [281663507] [2024-10-31 22:05:34,596 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:05:34,596 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:05:34,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:05:34,640 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:05:34,640 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:05:34,640 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [281663507] [2024-10-31 22:05:34,641 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [281663507] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:05:34,641 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:05:34,641 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-31 22:05:34,641 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [245267396] [2024-10-31 22:05:34,641 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:05:34,642 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 22:05:34,642 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:05:34,642 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 22:05:34,643 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 22:05:34,656 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 182 out of 219 [2024-10-31 22:05:34,657 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 175 places, 170 transitions, 357 flow. Second operand has 3 states, 3 states have (on average 183.33333333333334) internal successors, (550), 3 states have internal predecessors, (550), 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) [2024-10-31 22:05:34,657 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 22:05:34,657 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 182 of 219 [2024-10-31 22:05:34,657 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 22:05:34,732 INFO L124 PetriNetUnfolderBase]: 30/294 cut-off events. [2024-10-31 22:05:34,732 INFO L125 PetriNetUnfolderBase]: For 5/5 co-relation queries the response was YES. [2024-10-31 22:05:34,733 INFO L83 FinitePrefix]: Finished finitePrefix Result has 359 conditions, 294 events. 30/294 cut-off events. For 5/5 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 829 event pairs, 15 based on Foata normal form. 0/268 useless extension candidates. Maximal degree in co-relation 341. Up to 48 conditions per place. [2024-10-31 22:05:34,734 INFO L140 encePairwiseOnDemand]: 216/219 looper letters, 12 selfloop transitions, 2 changer transitions 0/169 dead transitions. [2024-10-31 22:05:34,734 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 176 places, 169 transitions, 383 flow [2024-10-31 22:05:34,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 22:05:34,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-31 22:05:34,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 561 transitions. [2024-10-31 22:05:34,736 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8538812785388128 [2024-10-31 22:05:34,737 INFO L175 Difference]: Start difference. First operand has 175 places, 170 transitions, 357 flow. Second operand 3 states and 561 transitions. [2024-10-31 22:05:34,737 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 176 places, 169 transitions, 383 flow [2024-10-31 22:05:34,738 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 171 places, 169 transitions, 373 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-10-31 22:05:34,741 INFO L231 Difference]: Finished difference. Result has 171 places, 169 transitions, 349 flow [2024-10-31 22:05:34,741 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=219, PETRI_DIFFERENCE_MINUEND_FLOW=345, PETRI_DIFFERENCE_MINUEND_PLACES=169, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=169, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=167, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=349, PETRI_PLACES=171, PETRI_TRANSITIONS=169} [2024-10-31 22:05:34,744 INFO L277 CegarLoopForPetriNet]: 197 programPoint places, -26 predicate places. [2024-10-31 22:05:34,744 INFO L471 AbstractCegarLoop]: Abstraction has has 171 places, 169 transitions, 349 flow [2024-10-31 22:05:34,745 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 183.33333333333334) internal successors, (550), 3 states have internal predecessors, (550), 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) [2024-10-31 22:05:34,745 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 22:05:34,746 INFO L204 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] [2024-10-31 22:05:34,746 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-31 22:05:34,746 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 41 more)] === [2024-10-31 22:05:34,747 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:05:34,748 INFO L85 PathProgramCache]: Analyzing trace with hash 997344410, now seen corresponding path program 1 times [2024-10-31 22:05:34,748 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:05:34,748 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [415622454] [2024-10-31 22:05:34,748 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:05:34,748 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:05:34,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:05:34,797 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:05:34,797 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:05:34,797 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [415622454] [2024-10-31 22:05:34,797 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [415622454] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:05:34,797 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:05:34,798 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-31 22:05:34,798 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1295014703] [2024-10-31 22:05:34,798 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:05:34,798 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 22:05:34,799 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:05:34,799 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 22:05:34,799 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 22:05:34,830 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 176 out of 219 [2024-10-31 22:05:34,831 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 171 places, 169 transitions, 349 flow. Second operand has 3 states, 3 states have (on average 177.0) internal successors, (531), 3 states have internal predecessors, (531), 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) [2024-10-31 22:05:34,832 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 22:05:34,832 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 176 of 219 [2024-10-31 22:05:34,832 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 22:05:34,926 INFO L124 PetriNetUnfolderBase]: 101/488 cut-off events. [2024-10-31 22:05:34,926 INFO L125 PetriNetUnfolderBase]: For 21/21 co-relation queries the response was YES. [2024-10-31 22:05:34,928 INFO L83 FinitePrefix]: Finished finitePrefix Result has 656 conditions, 488 events. 101/488 cut-off events. For 21/21 co-relation queries the response was YES. Maximal size of possible extension queue 34. Compared 2279 event pairs, 71 based on Foata normal form. 0/453 useless extension candidates. Maximal degree in co-relation 618. Up to 150 conditions per place. [2024-10-31 22:05:34,930 INFO L140 encePairwiseOnDemand]: 214/219 looper letters, 17 selfloop transitions, 1 changer transitions 0/165 dead transitions. [2024-10-31 22:05:34,931 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 169 places, 165 transitions, 377 flow [2024-10-31 22:05:34,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 22:05:34,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-31 22:05:34,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 550 transitions. [2024-10-31 22:05:34,933 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.837138508371385 [2024-10-31 22:05:34,933 INFO L175 Difference]: Start difference. First operand has 171 places, 169 transitions, 349 flow. Second operand 3 states and 550 transitions. [2024-10-31 22:05:34,933 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 169 places, 165 transitions, 377 flow [2024-10-31 22:05:34,935 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 167 places, 165 transitions, 373 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-31 22:05:34,937 INFO L231 Difference]: Finished difference. Result has 167 places, 165 transitions, 339 flow [2024-10-31 22:05:34,937 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=219, PETRI_DIFFERENCE_MINUEND_FLOW=337, PETRI_DIFFERENCE_MINUEND_PLACES=165, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=165, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=164, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=339, PETRI_PLACES=167, PETRI_TRANSITIONS=165} [2024-10-31 22:05:34,938 INFO L277 CegarLoopForPetriNet]: 197 programPoint places, -30 predicate places. [2024-10-31 22:05:34,938 INFO L471 AbstractCegarLoop]: Abstraction has has 167 places, 165 transitions, 339 flow [2024-10-31 22:05:34,939 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 177.0) internal successors, (531), 3 states have internal predecessors, (531), 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) [2024-10-31 22:05:34,939 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 22:05:34,939 INFO L204 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] [2024-10-31 22:05:34,939 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-10-31 22:05:34,939 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 41 more)] === [2024-10-31 22:05:34,940 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:05:34,940 INFO L85 PathProgramCache]: Analyzing trace with hash -109685484, now seen corresponding path program 1 times [2024-10-31 22:05:34,940 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:05:34,940 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [63943392] [2024-10-31 22:05:34,941 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:05:34,941 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:05:34,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:05:35,062 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:05:35,065 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:05:35,065 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [63943392] [2024-10-31 22:05:35,066 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [63943392] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:05:35,066 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:05:35,066 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-31 22:05:35,066 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1386131987] [2024-10-31 22:05:35,067 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:05:35,067 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 22:05:35,068 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:05:35,071 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 22:05:35,071 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 22:05:35,075 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 186 out of 219 [2024-10-31 22:05:35,076 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 167 places, 165 transitions, 339 flow. Second operand has 3 states, 3 states have (on average 188.66666666666666) internal successors, (566), 3 states have internal predecessors, (566), 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) [2024-10-31 22:05:35,077 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 22:05:35,077 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 186 of 219 [2024-10-31 22:05:35,077 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 22:05:35,167 INFO L124 PetriNetUnfolderBase]: 30/282 cut-off events. [2024-10-31 22:05:35,167 INFO L125 PetriNetUnfolderBase]: For 5/5 co-relation queries the response was YES. [2024-10-31 22:05:35,169 INFO L83 FinitePrefix]: Finished finitePrefix Result has 340 conditions, 282 events. 30/282 cut-off events. For 5/5 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 755 event pairs, 15 based on Foata normal form. 0/268 useless extension candidates. Maximal degree in co-relation 303. Up to 45 conditions per place. [2024-10-31 22:05:35,170 INFO L140 encePairwiseOnDemand]: 217/219 looper letters, 10 selfloop transitions, 1 changer transitions 0/164 dead transitions. [2024-10-31 22:05:35,170 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 168 places, 164 transitions, 359 flow [2024-10-31 22:05:35,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 22:05:35,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-31 22:05:35,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 570 transitions. [2024-10-31 22:05:35,173 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.867579908675799 [2024-10-31 22:05:35,173 INFO L175 Difference]: Start difference. First operand has 167 places, 165 transitions, 339 flow. Second operand 3 states and 570 transitions. [2024-10-31 22:05:35,173 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 168 places, 164 transitions, 359 flow [2024-10-31 22:05:35,175 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 167 places, 164 transitions, 358 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-10-31 22:05:35,178 INFO L231 Difference]: Finished difference. Result has 167 places, 164 transitions, 338 flow [2024-10-31 22:05:35,178 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=219, PETRI_DIFFERENCE_MINUEND_FLOW=336, PETRI_DIFFERENCE_MINUEND_PLACES=165, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=164, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=163, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=338, PETRI_PLACES=167, PETRI_TRANSITIONS=164} [2024-10-31 22:05:35,179 INFO L277 CegarLoopForPetriNet]: 197 programPoint places, -30 predicate places. [2024-10-31 22:05:35,179 INFO L471 AbstractCegarLoop]: Abstraction has has 167 places, 164 transitions, 338 flow [2024-10-31 22:05:35,181 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 188.66666666666666) internal successors, (566), 3 states have internal predecessors, (566), 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) [2024-10-31 22:05:35,181 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 22:05:35,181 INFO L204 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] [2024-10-31 22:05:35,181 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-10-31 22:05:35,182 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 41 more)] === [2024-10-31 22:05:35,183 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:05:35,183 INFO L85 PathProgramCache]: Analyzing trace with hash -1806025497, now seen corresponding path program 1 times [2024-10-31 22:05:35,183 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:05:35,184 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1856961137] [2024-10-31 22:05:35,184 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:05:35,184 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:05:35,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:05:35,272 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:05:35,272 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:05:35,273 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1856961137] [2024-10-31 22:05:35,273 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1856961137] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:05:35,273 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:05:35,274 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-31 22:05:35,274 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1165724153] [2024-10-31 22:05:35,274 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:05:35,275 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 22:05:35,275 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:05:35,278 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 22:05:35,278 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 22:05:35,282 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 186 out of 219 [2024-10-31 22:05:35,283 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 167 places, 164 transitions, 338 flow. Second operand has 3 states, 3 states have (on average 188.66666666666666) internal successors, (566), 3 states have internal predecessors, (566), 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) [2024-10-31 22:05:35,283 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 22:05:35,283 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 186 of 219 [2024-10-31 22:05:35,283 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 22:05:35,348 INFO L124 PetriNetUnfolderBase]: 30/281 cut-off events. [2024-10-31 22:05:35,349 INFO L125 PetriNetUnfolderBase]: For 5/5 co-relation queries the response was YES. [2024-10-31 22:05:35,350 INFO L83 FinitePrefix]: Finished finitePrefix Result has 339 conditions, 281 events. 30/281 cut-off events. For 5/5 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 755 event pairs, 15 based on Foata normal form. 1/268 useless extension candidates. Maximal degree in co-relation 331. Up to 45 conditions per place. [2024-10-31 22:05:35,350 INFO L140 encePairwiseOnDemand]: 217/219 looper letters, 0 selfloop transitions, 0 changer transitions 163/163 dead transitions. [2024-10-31 22:05:35,350 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 168 places, 163 transitions, 356 flow [2024-10-31 22:05:35,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 22:05:35,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-31 22:05:35,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 569 transitions. [2024-10-31 22:05:35,353 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8660578386605784 [2024-10-31 22:05:35,353 INFO L175 Difference]: Start difference. First operand has 167 places, 164 transitions, 338 flow. Second operand 3 states and 569 transitions. [2024-10-31 22:05:35,353 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 168 places, 163 transitions, 356 flow [2024-10-31 22:05:35,354 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 167 places, 163 transitions, 355 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-10-31 22:05:35,356 INFO L231 Difference]: Finished difference. Result has 167 places, 0 transitions, 0 flow [2024-10-31 22:05:35,356 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=219, PETRI_DIFFERENCE_MINUEND_FLOW=335, PETRI_DIFFERENCE_MINUEND_PLACES=165, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=163, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=163, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=167, PETRI_TRANSITIONS=0} [2024-10-31 22:05:35,358 INFO L277 CegarLoopForPetriNet]: 197 programPoint places, -30 predicate places. [2024-10-31 22:05:35,359 INFO L471 AbstractCegarLoop]: Abstraction has has 167 places, 0 transitions, 0 flow [2024-10-31 22:05:35,359 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 188.66666666666666) internal successors, (566), 3 states have internal predecessors, (566), 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) [2024-10-31 22:05:35,363 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (44 of 45 remaining) [2024-10-31 22:05:35,366 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (43 of 45 remaining) [2024-10-31 22:05:35,367 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (42 of 45 remaining) [2024-10-31 22:05:35,367 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (41 of 45 remaining) [2024-10-31 22:05:35,367 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (40 of 45 remaining) [2024-10-31 22:05:35,367 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (39 of 45 remaining) [2024-10-31 22:05:35,367 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (38 of 45 remaining) [2024-10-31 22:05:35,367 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (37 of 45 remaining) [2024-10-31 22:05:35,368 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (36 of 45 remaining) [2024-10-31 22:05:35,368 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (35 of 45 remaining) [2024-10-31 22:05:35,368 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (34 of 45 remaining) [2024-10-31 22:05:35,368 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (33 of 45 remaining) [2024-10-31 22:05:35,368 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (32 of 45 remaining) [2024-10-31 22:05:35,369 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (31 of 45 remaining) [2024-10-31 22:05:35,369 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err4ASSERT_VIOLATIONDATA_RACE (30 of 45 remaining) [2024-10-31 22:05:35,369 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err5ASSERT_VIOLATIONDATA_RACE (29 of 45 remaining) [2024-10-31 22:05:35,369 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (28 of 45 remaining) [2024-10-31 22:05:35,369 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (27 of 45 remaining) [2024-10-31 22:05:35,369 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (26 of 45 remaining) [2024-10-31 22:05:35,370 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (25 of 45 remaining) [2024-10-31 22:05:35,370 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (24 of 45 remaining) [2024-10-31 22:05:35,370 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (23 of 45 remaining) [2024-10-31 22:05:35,370 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (22 of 45 remaining) [2024-10-31 22:05:35,370 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (21 of 45 remaining) [2024-10-31 22:05:35,370 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (20 of 45 remaining) [2024-10-31 22:05:35,371 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (19 of 45 remaining) [2024-10-31 22:05:35,371 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (18 of 45 remaining) [2024-10-31 22:05:35,371 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (17 of 45 remaining) [2024-10-31 22:05:35,371 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (16 of 45 remaining) [2024-10-31 22:05:35,371 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (15 of 45 remaining) [2024-10-31 22:05:35,371 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (14 of 45 remaining) [2024-10-31 22:05:35,372 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (13 of 45 remaining) [2024-10-31 22:05:35,372 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (12 of 45 remaining) [2024-10-31 22:05:35,376 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (11 of 45 remaining) [2024-10-31 22:05:35,376 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (10 of 45 remaining) [2024-10-31 22:05:35,377 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (9 of 45 remaining) [2024-10-31 22:05:35,377 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (8 of 45 remaining) [2024-10-31 22:05:35,377 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (7 of 45 remaining) [2024-10-31 22:05:35,377 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (6 of 45 remaining) [2024-10-31 22:05:35,377 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (5 of 45 remaining) [2024-10-31 22:05:35,378 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (4 of 45 remaining) [2024-10-31 22:05:35,378 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (3 of 45 remaining) [2024-10-31 22:05:35,378 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (2 of 45 remaining) [2024-10-31 22:05:35,378 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err4ASSERT_VIOLATIONDATA_RACE (1 of 45 remaining) [2024-10-31 22:05:35,379 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err5ASSERT_VIOLATIONDATA_RACE (0 of 45 remaining) [2024-10-31 22:05:35,379 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-10-31 22:05:35,381 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:05:35,387 INFO L239 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-10-31 22:05:35,387 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-10-31 22:05:35,397 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 31.10 10:05:35 BasicIcfg [2024-10-31 22:05:35,398 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-10-31 22:05:35,399 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-31 22:05:35,399 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-31 22:05:35,399 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-31 22:05:35,400 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 10:05:32" (3/4) ... [2024-10-31 22:05:35,402 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-10-31 22:05:35,405 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2024-10-31 22:05:35,405 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2024-10-31 22:05:35,405 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread3 [2024-10-31 22:05:35,412 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 19 nodes and edges [2024-10-31 22:05:35,412 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-10-31 22:05:35,413 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-10-31 22:05:35,413 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-10-31 22:05:35,526 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad49f11d-096c-4d76-a8e9-9ffacd728985/bin/uautomizer-verify-4GaUIPS5ZU/witness.graphml [2024-10-31 22:05:35,526 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad49f11d-096c-4d76-a8e9-9ffacd728985/bin/uautomizer-verify-4GaUIPS5ZU/witness.yml [2024-10-31 22:05:35,526 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-31 22:05:35,527 INFO L158 Benchmark]: Toolchain (without parser) took 5357.68ms. Allocated memory was 151.0MB in the beginning and 247.5MB in the end (delta: 96.5MB). Free memory was 114.0MB in the beginning and 140.1MB in the end (delta: -26.1MB). Peak memory consumption was 72.5MB. Max. memory is 16.1GB. [2024-10-31 22:05:35,527 INFO L158 Benchmark]: CDTParser took 0.40ms. Allocated memory is still 98.6MB. Free memory is still 52.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-31 22:05:35,528 INFO L158 Benchmark]: CACSL2BoogieTranslator took 492.04ms. Allocated memory is still 151.0MB. Free memory was 114.0MB in the beginning and 99.4MB in the end (delta: 14.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-10-31 22:05:35,528 INFO L158 Benchmark]: Boogie Procedure Inliner took 77.24ms. Allocated memory is still 151.0MB. Free memory was 99.4MB in the beginning and 96.9MB in the end (delta: 2.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-10-31 22:05:35,528 INFO L158 Benchmark]: Boogie Preprocessor took 41.71ms. Allocated memory is still 151.0MB. Free memory was 96.9MB in the beginning and 94.4MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-31 22:05:35,529 INFO L158 Benchmark]: RCFGBuilder took 1249.12ms. Allocated memory was 151.0MB in the beginning and 205.5MB in the end (delta: 54.5MB). Free memory was 94.4MB in the beginning and 129.4MB in the end (delta: -34.9MB). Peak memory consumption was 25.6MB. Max. memory is 16.1GB. [2024-10-31 22:05:35,529 INFO L158 Benchmark]: TraceAbstraction took 3354.05ms. Allocated memory was 205.5MB in the beginning and 247.5MB in the end (delta: 41.9MB). Free memory was 129.4MB in the beginning and 145.4MB in the end (delta: -16.0MB). Peak memory consumption was 25.9MB. Max. memory is 16.1GB. [2024-10-31 22:05:35,529 INFO L158 Benchmark]: Witness Printer took 127.76ms. Allocated memory is still 247.5MB. Free memory was 145.4MB in the beginning and 140.1MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-10-31 22:05:35,531 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.40ms. Allocated memory is still 98.6MB. Free memory is still 52.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 492.04ms. Allocated memory is still 151.0MB. Free memory was 114.0MB in the beginning and 99.4MB in the end (delta: 14.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 77.24ms. Allocated memory is still 151.0MB. Free memory was 99.4MB in the beginning and 96.9MB in the end (delta: 2.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 41.71ms. Allocated memory is still 151.0MB. Free memory was 96.9MB in the beginning and 94.4MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1249.12ms. Allocated memory was 151.0MB in the beginning and 205.5MB in the end (delta: 54.5MB). Free memory was 94.4MB in the beginning and 129.4MB in the end (delta: -34.9MB). Peak memory consumption was 25.6MB. Max. memory is 16.1GB. * TraceAbstraction took 3354.05ms. Allocated memory was 205.5MB in the beginning and 247.5MB in the end (delta: 41.9MB). Free memory was 129.4MB in the beginning and 145.4MB in the end (delta: -16.0MB). Peak memory consumption was 25.9MB. Max. memory is 16.1GB. * Witness Printer took 127.76ms. Allocated memory is still 247.5MB. Free memory was 145.4MB in the beginning and 140.1MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 47]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 49]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 49]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 49]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 49]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 57]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 59]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 59]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 59]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 59]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 67]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 67]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 69]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 69]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 69]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 69]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 80]: 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: 106]: 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: 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: 84]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 94]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 94]: 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, 267 locations, 45 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: 3.2s, OverallIterations: 8, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.2s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 176 SdHoareTripleChecker+Valid, 0.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 73 mSDsluCounter, 15 SdHoareTripleChecker+Invalid, 0.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 37 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 282 IncrementalHoareTripleChecker+Invalid, 319 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 37 mSolverCounterUnsat, 15 mSDtfsCounter, 282 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 20 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=416occurred in iteration=0, InterpolantAutomatonStates: 27, 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, 1.1s InterpolantComputationTime, 536 NumberOfCodeBlocks, 536 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 528 ConstructedInterpolants, 0 QuantifiedInterpolants, 657 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 8 InterpolantComputations, 8 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 26 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-10-31 22:05:35,563 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad49f11d-096c-4d76-a8e9-9ffacd728985/bin/uautomizer-verify-4GaUIPS5ZU/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