./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/weaver/unroll-2.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 4e7fbc69 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f358575-d4b3-48d2-a4d2-1f147deec117/bin/uautomizer-QkZJyEgLgS/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f358575-d4b3-48d2-a4d2-1f147deec117/bin/uautomizer-QkZJyEgLgS/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f358575-d4b3-48d2-a4d2-1f147deec117/bin/uautomizer-QkZJyEgLgS/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f358575-d4b3-48d2-a4d2-1f147deec117/bin/uautomizer-QkZJyEgLgS/config/AutomizerReach.xml -i ../../sv-benchmarks/c/weaver/unroll-2.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f358575-d4b3-48d2-a4d2-1f147deec117/bin/uautomizer-QkZJyEgLgS/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f358575-d4b3-48d2-a4d2-1f147deec117/bin/uautomizer-QkZJyEgLgS --witnessprinter.witness.filename witness.graphml --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 5393d9cf3b7cc0865f031a716dd61208c034931418b29464b30da9c6eaf669bf --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-4e7fbc6 [2022-11-23 01:42:09,137 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-23 01:42:09,139 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-23 01:42:09,170 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-23 01:42:09,170 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-23 01:42:09,171 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-23 01:42:09,173 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-23 01:42:09,175 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-23 01:42:09,181 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-23 01:42:09,187 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-23 01:42:09,188 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-23 01:42:09,192 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-23 01:42:09,192 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-23 01:42:09,196 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-23 01:42:09,199 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-23 01:42:09,201 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-23 01:42:09,203 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-23 01:42:09,204 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-23 01:42:09,206 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-23 01:42:09,212 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-23 01:42:09,214 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-23 01:42:09,216 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-23 01:42:09,217 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-23 01:42:09,219 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-23 01:42:09,228 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-23 01:42:09,229 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-23 01:42:09,229 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-23 01:42:09,231 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-23 01:42:09,231 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-23 01:42:09,232 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-23 01:42:09,232 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-23 01:42:09,233 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-23 01:42:09,235 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-23 01:42:09,236 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-23 01:42:09,237 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-23 01:42:09,237 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-23 01:42:09,238 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-23 01:42:09,238 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-23 01:42:09,238 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-23 01:42:09,240 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-23 01:42:09,240 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-23 01:42:09,241 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f358575-d4b3-48d2-a4d2-1f147deec117/bin/uautomizer-QkZJyEgLgS/config/svcomp-DataRace-32bit-Automizer_Default.epf [2022-11-23 01:42:09,280 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-23 01:42:09,280 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-23 01:42:09,281 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-23 01:42:09,281 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-23 01:42:09,282 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-23 01:42:09,282 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-23 01:42:09,283 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-23 01:42:09,283 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-23 01:42:09,283 INFO L138 SettingsManager]: * Use SBE=true [2022-11-23 01:42:09,284 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-23 01:42:09,285 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-23 01:42:09,285 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-23 01:42:09,285 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-23 01:42:09,285 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-23 01:42:09,285 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-23 01:42:09,286 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-23 01:42:09,286 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-23 01:42:09,286 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-23 01:42:09,286 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-11-23 01:42:09,286 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-23 01:42:09,287 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-23 01:42:09,287 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-23 01:42:09,287 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-23 01:42:09,287 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-23 01:42:09,287 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-23 01:42:09,288 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-23 01:42:09,288 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 01:42:09,288 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-23 01:42:09,288 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-23 01:42:09,289 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-23 01:42:09,289 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-23 01:42:09,289 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-23 01:42:09,289 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-23 01:42:09,289 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-23 01:42:09,290 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-11-23 01:42:09,290 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-23 01:42:09,290 INFO L138 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_1f358575-d4b3-48d2-a4d2-1f147deec117/bin/uautomizer-QkZJyEgLgS/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f358575-d4b3-48d2-a4d2-1f147deec117/bin/uautomizer-QkZJyEgLgS Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5393d9cf3b7cc0865f031a716dd61208c034931418b29464b30da9c6eaf669bf [2022-11-23 01:42:09,574 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-23 01:42:09,601 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-23 01:42:09,604 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-23 01:42:09,605 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-23 01:42:09,606 INFO L275 PluginConnector]: CDTParser initialized [2022-11-23 01:42:09,607 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f358575-d4b3-48d2-a4d2-1f147deec117/bin/uautomizer-QkZJyEgLgS/../../sv-benchmarks/c/weaver/unroll-2.wvr.c [2022-11-23 01:42:12,524 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-23 01:42:12,755 INFO L351 CDTParser]: Found 1 translation units. [2022-11-23 01:42:12,755 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f358575-d4b3-48d2-a4d2-1f147deec117/sv-benchmarks/c/weaver/unroll-2.wvr.c [2022-11-23 01:42:12,761 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f358575-d4b3-48d2-a4d2-1f147deec117/bin/uautomizer-QkZJyEgLgS/data/f4f2e0de2/cfbbf5f8b5994357926148f4b41e73e8/FLAG66a992b22 [2022-11-23 01:42:12,775 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f358575-d4b3-48d2-a4d2-1f147deec117/bin/uautomizer-QkZJyEgLgS/data/f4f2e0de2/cfbbf5f8b5994357926148f4b41e73e8 [2022-11-23 01:42:12,777 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-23 01:42:12,778 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-23 01:42:12,780 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-23 01:42:12,780 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-23 01:42:12,788 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-23 01:42:12,789 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:42:12" (1/1) ... [2022-11-23 01:42:12,790 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@23fc31d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:42:12, skipping insertion in model container [2022-11-23 01:42:12,790 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:42:12" (1/1) ... [2022-11-23 01:42:12,797 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-23 01:42:12,814 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-23 01:42:12,982 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f358575-d4b3-48d2-a4d2-1f147deec117/sv-benchmarks/c/weaver/unroll-2.wvr.c[2428,2441] [2022-11-23 01:42:12,989 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 01:42:12,997 INFO L203 MainTranslator]: Completed pre-run [2022-11-23 01:42:13,025 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f358575-d4b3-48d2-a4d2-1f147deec117/sv-benchmarks/c/weaver/unroll-2.wvr.c[2428,2441] [2022-11-23 01:42:13,029 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 01:42:13,041 INFO L208 MainTranslator]: Completed translation [2022-11-23 01:42:13,041 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:42:13 WrapperNode [2022-11-23 01:42:13,041 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-23 01:42:13,042 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-23 01:42:13,042 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-23 01:42:13,042 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-23 01:42:13,049 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:42:13" (1/1) ... [2022-11-23 01:42:13,058 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:42:13" (1/1) ... [2022-11-23 01:42:13,090 INFO L138 Inliner]: procedures = 24, calls = 32, calls flagged for inlining = 11, calls inlined = 11, statements flattened = 246 [2022-11-23 01:42:13,091 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-23 01:42:13,091 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-23 01:42:13,092 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-23 01:42:13,092 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-23 01:42:13,101 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:42:13" (1/1) ... [2022-11-23 01:42:13,102 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:42:13" (1/1) ... [2022-11-23 01:42:13,105 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:42:13" (1/1) ... [2022-11-23 01:42:13,106 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:42:13" (1/1) ... [2022-11-23 01:42:13,122 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:42:13" (1/1) ... [2022-11-23 01:42:13,127 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:42:13" (1/1) ... [2022-11-23 01:42:13,129 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:42:13" (1/1) ... [2022-11-23 01:42:13,130 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:42:13" (1/1) ... [2022-11-23 01:42:13,133 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-23 01:42:13,134 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-23 01:42:13,134 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-23 01:42:13,134 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-23 01:42:13,135 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:42:13" (1/1) ... [2022-11-23 01:42:13,141 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 01:42:13,157 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f358575-d4b3-48d2-a4d2-1f147deec117/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 01:42:13,168 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f358575-d4b3-48d2-a4d2-1f147deec117/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-23 01:42:13,170 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f358575-d4b3-48d2-a4d2-1f147deec117/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-23 01:42:13,202 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-23 01:42:13,202 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-11-23 01:42:13,203 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-11-23 01:42:13,203 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-11-23 01:42:13,203 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-11-23 01:42:13,203 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-23 01:42:13,203 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-23 01:42:13,203 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-23 01:42:13,204 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-23 01:42:13,204 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-23 01:42:13,204 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-23 01:42:13,204 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-23 01:42:13,204 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-23 01:42:13,206 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-23 01:42:13,353 INFO L235 CfgBuilder]: Building ICFG [2022-11-23 01:42:13,355 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-23 01:42:13,995 INFO L276 CfgBuilder]: Performing block encoding [2022-11-23 01:42:14,006 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-23 01:42:14,006 INFO L300 CfgBuilder]: Removed 3 assume(true) statements. [2022-11-23 01:42:14,009 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:42:14 BoogieIcfgContainer [2022-11-23 01:42:14,009 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-23 01:42:14,012 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-23 01:42:14,012 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-23 01:42:14,021 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-23 01:42:14,022 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 01:42:12" (1/3) ... [2022-11-23 01:42:14,022 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6925c52e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 01:42:14, skipping insertion in model container [2022-11-23 01:42:14,023 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:42:13" (2/3) ... [2022-11-23 01:42:14,023 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6925c52e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 01:42:14, skipping insertion in model container [2022-11-23 01:42:14,023 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:42:14" (3/3) ... [2022-11-23 01:42:14,024 INFO L112 eAbstractionObserver]: Analyzing ICFG unroll-2.wvr.c [2022-11-23 01:42:14,038 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-11-23 01:42:14,049 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-23 01:42:14,049 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 34 error locations. [2022-11-23 01:42:14,050 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-23 01:42:14,195 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2022-11-23 01:42:14,240 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 309 places, 319 transitions, 654 flow [2022-11-23 01:42:14,394 INFO L130 PetriNetUnfolder]: 17/317 cut-off events. [2022-11-23 01:42:14,394 INFO L131 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2022-11-23 01:42:14,404 INFO L83 FinitePrefix]: Finished finitePrefix Result has 326 conditions, 317 events. 17/317 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 501 event pairs, 0 based on Foata normal form. 0/266 useless extension candidates. Maximal degree in co-relation 176. Up to 2 conditions per place. [2022-11-23 01:42:14,404 INFO L82 GeneralOperation]: Start removeDead. Operand has 309 places, 319 transitions, 654 flow [2022-11-23 01:42:14,413 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 290 places, 299 transitions, 610 flow [2022-11-23 01:42:14,417 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-11-23 01:42:14,432 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 290 places, 299 transitions, 610 flow [2022-11-23 01:42:14,435 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 290 places, 299 transitions, 610 flow [2022-11-23 01:42:14,436 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 290 places, 299 transitions, 610 flow [2022-11-23 01:42:14,552 INFO L130 PetriNetUnfolder]: 16/299 cut-off events. [2022-11-23 01:42:14,552 INFO L131 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2022-11-23 01:42:14,558 INFO L83 FinitePrefix]: Finished finitePrefix Result has 308 conditions, 299 events. 16/299 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 445 event pairs, 0 based on Foata normal form. 0/250 useless extension candidates. Maximal degree in co-relation 176. Up to 2 conditions per place. [2022-11-23 01:42:14,569 INFO L119 LiptonReduction]: Number of co-enabled transitions 15876 [2022-11-23 01:42:25,771 INFO L134 LiptonReduction]: Checked pairs total: 57718 [2022-11-23 01:42:25,771 INFO L136 LiptonReduction]: Total number of compositions: 379 [2022-11-23 01:42:25,806 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-23 01:42:25,814 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, 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;@20e69635, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-23 01:42:25,814 INFO L358 AbstractCegarLoop]: Starting to check reachability of 59 error locations. [2022-11-23 01:42:25,816 INFO L130 PetriNetUnfolder]: 0/0 cut-off events. [2022-11-23 01:42:25,816 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-11-23 01:42:25,817 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-23 01:42:25,817 INFO L209 CegarLoopForPetriNet]: trace histogram [1] [2022-11-23 01:42:25,818 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 55 more)] === [2022-11-23 01:42:25,823 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 01:42:25,824 INFO L85 PathProgramCache]: Analyzing trace with hash 1228, now seen corresponding path program 1 times [2022-11-23 01:42:25,833 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 01:42:25,833 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2021649104] [2022-11-23 01:42:25,834 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 01:42:25,834 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 01:42:25,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:42:25,940 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 01:42:25,941 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-23 01:42:25,941 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2021649104] [2022-11-23 01:42:25,942 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2021649104] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 01:42:25,943 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 01:42:25,943 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [0] imperfect sequences [] total 0 [2022-11-23 01:42:25,944 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [29754443] [2022-11-23 01:42:25,945 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 01:42:25,953 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-23 01:42:25,954 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-23 01:42:25,982 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-23 01:42:25,984 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-23 01:42:25,990 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 303 out of 698 [2022-11-23 01:42:25,997 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 86 places, 87 transitions, 186 flow. Second operand has 2 states, 2 states have (on average 303.5) internal successors, (607), 2 states have internal predecessors, (607), 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) [2022-11-23 01:42:25,998 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-23 01:42:25,998 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 303 of 698 [2022-11-23 01:42:25,999 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-23 01:42:26,281 INFO L130 PetriNetUnfolder]: 588/1264 cut-off events. [2022-11-23 01:42:26,282 INFO L131 PetriNetUnfolder]: For 44/44 co-relation queries the response was YES. [2022-11-23 01:42:26,284 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2226 conditions, 1264 events. 588/1264 cut-off events. For 44/44 co-relation queries the response was YES. Maximal size of possible extension queue 65. Compared 7846 event pairs, 461 based on Foata normal form. 150/1248 useless extension candidates. Maximal degree in co-relation 1997. Up to 928 conditions per place. [2022-11-23 01:42:26,292 INFO L137 encePairwiseOnDemand]: 664/698 looper letters, 29 selfloop transitions, 0 changer transitions 1/53 dead transitions. [2022-11-23 01:42:26,292 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 58 places, 53 transitions, 178 flow [2022-11-23 01:42:26,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-23 01:42:26,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2022-11-23 01:42:26,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 670 transitions. [2022-11-23 01:42:26,313 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.4799426934097421 [2022-11-23 01:42:26,314 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 670 transitions. [2022-11-23 01:42:26,314 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 670 transitions. [2022-11-23 01:42:26,319 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-23 01:42:26,322 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 670 transitions. [2022-11-23 01:42:26,328 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 335.0) internal successors, (670), 2 states have internal predecessors, (670), 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) [2022-11-23 01:42:26,344 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 698.0) internal successors, (2094), 3 states have internal predecessors, (2094), 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) [2022-11-23 01:42:26,345 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 698.0) internal successors, (2094), 3 states have internal predecessors, (2094), 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) [2022-11-23 01:42:26,347 INFO L175 Difference]: Start difference. First operand has 86 places, 87 transitions, 186 flow. Second operand 2 states and 670 transitions. [2022-11-23 01:42:26,348 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 58 places, 53 transitions, 178 flow [2022-11-23 01:42:26,352 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 54 places, 53 transitions, 170 flow, removed 0 selfloop flow, removed 4 redundant places. [2022-11-23 01:42:26,354 INFO L231 Difference]: Finished difference. Result has 54 places, 52 transitions, 107 flow [2022-11-23 01:42:26,356 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=698, PETRI_DIFFERENCE_MINUEND_FLOW=110, PETRI_DIFFERENCE_MINUEND_PLACES=53, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=53, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=53, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=107, PETRI_PLACES=54, PETRI_TRANSITIONS=52} [2022-11-23 01:42:26,360 INFO L288 CegarLoopForPetriNet]: 86 programPoint places, -32 predicate places. [2022-11-23 01:42:26,360 INFO L495 AbstractCegarLoop]: Abstraction has has 54 places, 52 transitions, 107 flow [2022-11-23 01:42:26,361 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 303.5) internal successors, (607), 2 states have internal predecessors, (607), 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) [2022-11-23 01:42:26,361 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-23 01:42:26,361 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 01:42:26,361 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-23 01:42:26,361 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 55 more)] === [2022-11-23 01:42:26,362 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 01:42:26,363 INFO L85 PathProgramCache]: Analyzing trace with hash -1447956406, now seen corresponding path program 1 times [2022-11-23 01:42:26,365 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 01:42:26,366 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2057875134] [2022-11-23 01:42:26,366 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 01:42:26,367 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 01:42:26,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:42:26,674 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 01:42:26,675 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-23 01:42:26,676 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2057875134] [2022-11-23 01:42:26,676 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2057875134] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 01:42:26,681 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 01:42:26,682 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-23 01:42:26,682 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [623424311] [2022-11-23 01:42:26,683 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 01:42:26,684 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-23 01:42:26,684 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-23 01:42:26,684 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-23 01:42:26,685 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 01:42:26,724 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 299 out of 698 [2022-11-23 01:42:26,726 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 54 places, 52 transitions, 107 flow. Second operand has 3 states, 3 states have (on average 301.3333333333333) internal successors, (904), 3 states have internal predecessors, (904), 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) [2022-11-23 01:42:26,726 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-23 01:42:26,726 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 299 of 698 [2022-11-23 01:42:26,726 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-23 01:42:26,953 INFO L130 PetriNetUnfolder]: 588/1264 cut-off events. [2022-11-23 01:42:26,953 INFO L131 PetriNetUnfolder]: For 12/12 co-relation queries the response was YES. [2022-11-23 01:42:26,955 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2203 conditions, 1264 events. 588/1264 cut-off events. For 12/12 co-relation queries the response was YES. Maximal size of possible extension queue 65. Compared 7841 event pairs, 461 based on Foata normal form. 0/1098 useless extension candidates. Maximal degree in co-relation 2200. Up to 927 conditions per place. [2022-11-23 01:42:26,962 INFO L137 encePairwiseOnDemand]: 695/698 looper letters, 28 selfloop transitions, 2 changer transitions 0/53 dead transitions. [2022-11-23 01:42:26,962 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 55 places, 53 transitions, 169 flow [2022-11-23 01:42:26,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-23 01:42:26,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-23 01:42:26,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 928 transitions. [2022-11-23 01:42:26,966 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.44317096466093603 [2022-11-23 01:42:26,966 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 928 transitions. [2022-11-23 01:42:26,966 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 928 transitions. [2022-11-23 01:42:26,967 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-23 01:42:26,968 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 928 transitions. [2022-11-23 01:42:26,970 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 309.3333333333333) internal successors, (928), 3 states have internal predecessors, (928), 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) [2022-11-23 01:42:26,975 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 698.0) internal successors, (2792), 4 states have internal predecessors, (2792), 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) [2022-11-23 01:42:26,976 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 698.0) internal successors, (2792), 4 states have internal predecessors, (2792), 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) [2022-11-23 01:42:26,977 INFO L175 Difference]: Start difference. First operand has 54 places, 52 transitions, 107 flow. Second operand 3 states and 928 transitions. [2022-11-23 01:42:26,977 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 55 places, 53 transitions, 169 flow [2022-11-23 01:42:26,979 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 55 places, 53 transitions, 169 flow, removed 0 selfloop flow, removed 0 redundant places. [2022-11-23 01:42:26,981 INFO L231 Difference]: Finished difference. Result has 56 places, 53 transitions, 119 flow [2022-11-23 01:42:26,981 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=698, PETRI_DIFFERENCE_MINUEND_FLOW=107, PETRI_DIFFERENCE_MINUEND_PLACES=53, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=52, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=50, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=119, PETRI_PLACES=56, PETRI_TRANSITIONS=53} [2022-11-23 01:42:26,982 INFO L288 CegarLoopForPetriNet]: 86 programPoint places, -30 predicate places. [2022-11-23 01:42:26,982 INFO L495 AbstractCegarLoop]: Abstraction has has 56 places, 53 transitions, 119 flow [2022-11-23 01:42:26,983 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 301.3333333333333) internal successors, (904), 3 states have internal predecessors, (904), 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) [2022-11-23 01:42:26,983 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-23 01:42:26,983 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 01:42:26,984 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-23 01:42:26,984 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 55 more)] === [2022-11-23 01:42:26,984 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 01:42:26,984 INFO L85 PathProgramCache]: Analyzing trace with hash 376368964, now seen corresponding path program 1 times [2022-11-23 01:42:26,985 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 01:42:26,985 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1863496828] [2022-11-23 01:42:26,985 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 01:42:26,986 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 01:42:27,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:42:27,366 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-23 01:42:27,366 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-23 01:42:27,367 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1863496828] [2022-11-23 01:42:27,367 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1863496828] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 01:42:27,367 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 01:42:27,367 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-23 01:42:27,368 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [758307481] [2022-11-23 01:42:27,368 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 01:42:27,368 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-23 01:42:27,368 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-23 01:42:27,369 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-23 01:42:27,369 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-11-23 01:42:27,582 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 292 out of 698 [2022-11-23 01:42:27,584 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 56 places, 53 transitions, 119 flow. Second operand has 5 states, 5 states have (on average 294.0) internal successors, (1470), 5 states have internal predecessors, (1470), 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) [2022-11-23 01:42:27,584 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-23 01:42:27,585 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 292 of 698 [2022-11-23 01:42:27,585 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-23 01:42:27,974 INFO L130 PetriNetUnfolder]: 1012/1844 cut-off events. [2022-11-23 01:42:27,974 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-11-23 01:42:27,977 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3406 conditions, 1844 events. 1012/1844 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 96. Compared 11402 event pairs, 87 based on Foata normal form. 96/1723 useless extension candidates. Maximal degree in co-relation 3401. Up to 691 conditions per place. [2022-11-23 01:42:27,986 INFO L137 encePairwiseOnDemand]: 694/698 looper letters, 83 selfloop transitions, 3 changer transitions 0/106 dead transitions. [2022-11-23 01:42:27,986 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 59 places, 106 transitions, 397 flow [2022-11-23 01:42:27,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-23 01:42:27,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2022-11-23 01:42:27,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1546 transitions. [2022-11-23 01:42:27,990 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.44297994269340973 [2022-11-23 01:42:27,990 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 1546 transitions. [2022-11-23 01:42:27,991 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 1546 transitions. [2022-11-23 01:42:27,991 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-23 01:42:27,992 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 1546 transitions. [2022-11-23 01:42:27,995 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 309.2) internal successors, (1546), 5 states have internal predecessors, (1546), 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) [2022-11-23 01:42:28,001 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 698.0) internal successors, (4188), 6 states have internal predecessors, (4188), 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) [2022-11-23 01:42:28,003 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 698.0) internal successors, (4188), 6 states have internal predecessors, (4188), 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) [2022-11-23 01:42:28,003 INFO L175 Difference]: Start difference. First operand has 56 places, 53 transitions, 119 flow. Second operand 5 states and 1546 transitions. [2022-11-23 01:42:28,003 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 59 places, 106 transitions, 397 flow [2022-11-23 01:42:28,005 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 58 places, 106 transitions, 393 flow, removed 1 selfloop flow, removed 1 redundant places. [2022-11-23 01:42:28,006 INFO L231 Difference]: Finished difference. Result has 58 places, 52 transitions, 119 flow [2022-11-23 01:42:28,006 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=698, PETRI_DIFFERENCE_MINUEND_FLOW=113, PETRI_DIFFERENCE_MINUEND_PLACES=54, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=52, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=49, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=119, PETRI_PLACES=58, PETRI_TRANSITIONS=52} [2022-11-23 01:42:28,007 INFO L288 CegarLoopForPetriNet]: 86 programPoint places, -28 predicate places. [2022-11-23 01:42:28,007 INFO L495 AbstractCegarLoop]: Abstraction has has 58 places, 52 transitions, 119 flow [2022-11-23 01:42:28,008 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 294.0) internal successors, (1470), 5 states have internal predecessors, (1470), 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) [2022-11-23 01:42:28,008 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-23 01:42:28,009 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 01:42:28,009 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-23 01:42:28,009 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting thread1Err6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 55 more)] === [2022-11-23 01:42:28,009 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 01:42:28,009 INFO L85 PathProgramCache]: Analyzing trace with hash -826383957, now seen corresponding path program 1 times [2022-11-23 01:42:28,010 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 01:42:28,010 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1055573957] [2022-11-23 01:42:28,010 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 01:42:28,010 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 01:42:28,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:42:28,252 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-23 01:42:28,252 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-23 01:42:28,253 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1055573957] [2022-11-23 01:42:28,253 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1055573957] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 01:42:28,253 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 01:42:28,253 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-23 01:42:28,253 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [161571903] [2022-11-23 01:42:28,253 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 01:42:28,254 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-23 01:42:28,254 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-23 01:42:28,254 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-23 01:42:28,255 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-11-23 01:42:28,505 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 291 out of 698 [2022-11-23 01:42:28,507 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 58 places, 52 transitions, 119 flow. Second operand has 5 states, 5 states have (on average 293.4) internal successors, (1467), 5 states have internal predecessors, (1467), 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) [2022-11-23 01:42:28,507 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-23 01:42:28,507 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 291 of 698 [2022-11-23 01:42:28,507 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-23 01:42:28,778 INFO L130 PetriNetUnfolder]: 456/989 cut-off events. [2022-11-23 01:42:28,781 INFO L131 PetriNetUnfolder]: For 126/126 co-relation queries the response was YES. [2022-11-23 01:42:28,783 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1894 conditions, 989 events. 456/989 cut-off events. For 126/126 co-relation queries the response was YES. Maximal size of possible extension queue 44. Compared 5419 event pairs, 253 based on Foata normal form. 26/910 useless extension candidates. Maximal degree in co-relation 1889. Up to 554 conditions per place. [2022-11-23 01:42:28,787 INFO L137 encePairwiseOnDemand]: 693/698 looper letters, 69 selfloop transitions, 4 changer transitions 0/93 dead transitions. [2022-11-23 01:42:28,787 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 61 places, 93 transitions, 356 flow [2022-11-23 01:42:28,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-23 01:42:28,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2022-11-23 01:42:28,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1528 transitions. [2022-11-23 01:42:28,792 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.43782234957020055 [2022-11-23 01:42:28,792 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 1528 transitions. [2022-11-23 01:42:28,794 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 1528 transitions. [2022-11-23 01:42:28,794 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-23 01:42:28,795 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 1528 transitions. [2022-11-23 01:42:28,798 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 305.6) internal successors, (1528), 5 states have internal predecessors, (1528), 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) [2022-11-23 01:42:28,804 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 698.0) internal successors, (4188), 6 states have internal predecessors, (4188), 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) [2022-11-23 01:42:28,806 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 698.0) internal successors, (4188), 6 states have internal predecessors, (4188), 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) [2022-11-23 01:42:28,806 INFO L175 Difference]: Start difference. First operand has 58 places, 52 transitions, 119 flow. Second operand 5 states and 1528 transitions. [2022-11-23 01:42:28,806 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 61 places, 93 transitions, 356 flow [2022-11-23 01:42:28,809 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 58 places, 93 transitions, 345 flow, removed 0 selfloop flow, removed 3 redundant places. [2022-11-23 01:42:28,811 INFO L231 Difference]: Finished difference. Result has 58 places, 51 transitions, 120 flow [2022-11-23 01:42:28,811 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=698, PETRI_DIFFERENCE_MINUEND_FLOW=112, PETRI_DIFFERENCE_MINUEND_PLACES=54, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=51, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=47, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=120, PETRI_PLACES=58, PETRI_TRANSITIONS=51} [2022-11-23 01:42:28,813 INFO L288 CegarLoopForPetriNet]: 86 programPoint places, -28 predicate places. [2022-11-23 01:42:28,813 INFO L495 AbstractCegarLoop]: Abstraction has has 58 places, 51 transitions, 120 flow [2022-11-23 01:42:28,814 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 293.4) internal successors, (1467), 5 states have internal predecessors, (1467), 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) [2022-11-23 01:42:28,814 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-23 01:42:28,814 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 01:42:28,815 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-23 01:42:28,815 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting thread2Err6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 55 more)] === [2022-11-23 01:42:28,815 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 01:42:28,815 INFO L85 PathProgramCache]: Analyzing trace with hash 1743528375, now seen corresponding path program 1 times [2022-11-23 01:42:28,815 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 01:42:28,816 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [416940673] [2022-11-23 01:42:28,816 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 01:42:28,816 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 01:42:28,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:42:29,077 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-23 01:42:29,077 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-23 01:42:29,077 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [416940673] [2022-11-23 01:42:29,077 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [416940673] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 01:42:29,077 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 01:42:29,078 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-23 01:42:29,078 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1236266122] [2022-11-23 01:42:29,078 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 01:42:29,078 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-23 01:42:29,078 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-23 01:42:29,079 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-23 01:42:29,079 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-11-23 01:42:29,351 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 286 out of 698 [2022-11-23 01:42:29,353 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 58 places, 51 transitions, 120 flow. Second operand has 5 states, 5 states have (on average 288.6) internal successors, (1443), 5 states have internal predecessors, (1443), 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) [2022-11-23 01:42:29,353 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-23 01:42:29,353 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 286 of 698 [2022-11-23 01:42:29,353 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-23 01:42:29,593 INFO L130 PetriNetUnfolder]: 388/811 cut-off events. [2022-11-23 01:42:29,593 INFO L131 PetriNetUnfolder]: For 44/44 co-relation queries the response was YES. [2022-11-23 01:42:29,595 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1529 conditions, 811 events. 388/811 cut-off events. For 44/44 co-relation queries the response was YES. Maximal size of possible extension queue 42. Compared 4241 event pairs, 165 based on Foata normal form. 34/742 useless extension candidates. Maximal degree in co-relation 1524. Up to 382 conditions per place. [2022-11-23 01:42:29,598 INFO L137 encePairwiseOnDemand]: 688/698 looper letters, 52 selfloop transitions, 8 changer transitions 0/79 dead transitions. [2022-11-23 01:42:29,598 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 60 places, 79 transitions, 305 flow [2022-11-23 01:42:29,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-23 01:42:29,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2022-11-23 01:42:29,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1491 transitions. [2022-11-23 01:42:29,603 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.42722063037249286 [2022-11-23 01:42:29,603 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 1491 transitions. [2022-11-23 01:42:29,603 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 1491 transitions. [2022-11-23 01:42:29,604 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-23 01:42:29,604 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 1491 transitions. [2022-11-23 01:42:29,608 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 298.2) internal successors, (1491), 5 states have internal predecessors, (1491), 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) [2022-11-23 01:42:29,614 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 698.0) internal successors, (4188), 6 states have internal predecessors, (4188), 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) [2022-11-23 01:42:29,616 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 698.0) internal successors, (4188), 6 states have internal predecessors, (4188), 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) [2022-11-23 01:42:29,616 INFO L175 Difference]: Start difference. First operand has 58 places, 51 transitions, 120 flow. Second operand 5 states and 1491 transitions. [2022-11-23 01:42:29,617 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 60 places, 79 transitions, 305 flow [2022-11-23 01:42:29,618 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 56 places, 79 transitions, 291 flow, removed 0 selfloop flow, removed 4 redundant places. [2022-11-23 01:42:29,619 INFO L231 Difference]: Finished difference. Result has 56 places, 49 transitions, 124 flow [2022-11-23 01:42:29,619 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=698, PETRI_DIFFERENCE_MINUEND_FLOW=108, PETRI_DIFFERENCE_MINUEND_PLACES=52, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=49, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=8, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=41, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=124, PETRI_PLACES=56, PETRI_TRANSITIONS=49} [2022-11-23 01:42:29,620 INFO L288 CegarLoopForPetriNet]: 86 programPoint places, -30 predicate places. [2022-11-23 01:42:29,620 INFO L495 AbstractCegarLoop]: Abstraction has has 56 places, 49 transitions, 124 flow [2022-11-23 01:42:29,621 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 288.6) internal successors, (1443), 5 states have internal predecessors, (1443), 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) [2022-11-23 01:42:29,621 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-23 01:42:29,621 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 01:42:29,621 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-23 01:42:29,621 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 55 more)] === [2022-11-23 01:42:29,622 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 01:42:29,622 INFO L85 PathProgramCache]: Analyzing trace with hash 986168973, now seen corresponding path program 1 times [2022-11-23 01:42:29,622 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 01:42:29,622 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [767520415] [2022-11-23 01:42:29,622 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 01:42:29,622 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 01:42:29,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:42:29,834 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-23 01:42:29,835 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-23 01:42:29,835 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [767520415] [2022-11-23 01:42:29,835 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [767520415] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 01:42:29,835 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 01:42:29,835 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-23 01:42:29,836 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [389550203] [2022-11-23 01:42:29,836 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 01:42:29,836 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-23 01:42:29,836 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-23 01:42:29,837 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-23 01:42:29,837 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-11-23 01:42:30,046 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 292 out of 698 [2022-11-23 01:42:30,048 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 56 places, 49 transitions, 124 flow. Second operand has 5 states, 5 states have (on average 294.6) internal successors, (1473), 5 states have internal predecessors, (1473), 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) [2022-11-23 01:42:30,048 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-23 01:42:30,048 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 292 of 698 [2022-11-23 01:42:30,048 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-23 01:42:30,264 INFO L130 PetriNetUnfolder]: 306/719 cut-off events. [2022-11-23 01:42:30,264 INFO L131 PetriNetUnfolder]: For 71/71 co-relation queries the response was YES. [2022-11-23 01:42:30,266 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1389 conditions, 719 events. 306/719 cut-off events. For 71/71 co-relation queries the response was YES. Maximal size of possible extension queue 37. Compared 3877 event pairs, 191 based on Foata normal form. 10/636 useless extension candidates. Maximal degree in co-relation 1384. Up to 426 conditions per place. [2022-11-23 01:42:30,267 INFO L137 encePairwiseOnDemand]: 694/698 looper letters, 0 selfloop transitions, 0 changer transitions 75/75 dead transitions. [2022-11-23 01:42:30,267 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 59 places, 75 transitions, 310 flow [2022-11-23 01:42:30,267 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-23 01:42:30,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2022-11-23 01:42:30,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1515 transitions. [2022-11-23 01:42:30,273 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.4340974212034384 [2022-11-23 01:42:30,273 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 1515 transitions. [2022-11-23 01:42:30,273 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 1515 transitions. [2022-11-23 01:42:30,274 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-23 01:42:30,274 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 1515 transitions. [2022-11-23 01:42:30,277 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 303.0) internal successors, (1515), 5 states have internal predecessors, (1515), 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) [2022-11-23 01:42:30,283 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 698.0) internal successors, (4188), 6 states have internal predecessors, (4188), 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) [2022-11-23 01:42:30,284 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 698.0) internal successors, (4188), 6 states have internal predecessors, (4188), 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) [2022-11-23 01:42:30,285 INFO L175 Difference]: Start difference. First operand has 56 places, 49 transitions, 124 flow. Second operand 5 states and 1515 transitions. [2022-11-23 01:42:30,285 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 59 places, 75 transitions, 310 flow [2022-11-23 01:42:30,288 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 55 places, 75 transitions, 270 flow, removed 0 selfloop flow, removed 4 redundant places. [2022-11-23 01:42:30,289 INFO L231 Difference]: Finished difference. Result has 55 places, 0 transitions, 0 flow [2022-11-23 01:42:30,289 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=698, PETRI_DIFFERENCE_MINUEND_FLOW=106, PETRI_DIFFERENCE_MINUEND_PLACES=51, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=48, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=48, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=0, PETRI_PLACES=55, PETRI_TRANSITIONS=0} [2022-11-23 01:42:30,291 INFO L288 CegarLoopForPetriNet]: 86 programPoint places, -31 predicate places. [2022-11-23 01:42:30,292 INFO L495 AbstractCegarLoop]: Abstraction has has 55 places, 0 transitions, 0 flow [2022-11-23 01:42:30,292 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 294.6) internal successors, (1473), 5 states have internal predecessors, (1473), 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) [2022-11-23 01:42:30,297 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (58 of 59 remaining) [2022-11-23 01:42:30,297 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (57 of 59 remaining) [2022-11-23 01:42:30,298 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (56 of 59 remaining) [2022-11-23 01:42:30,298 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (55 of 59 remaining) [2022-11-23 01:42:30,298 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (54 of 59 remaining) [2022-11-23 01:42:30,299 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (53 of 59 remaining) [2022-11-23 01:42:30,299 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (52 of 59 remaining) [2022-11-23 01:42:30,299 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (51 of 59 remaining) [2022-11-23 01:42:30,299 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (50 of 59 remaining) [2022-11-23 01:42:30,300 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (49 of 59 remaining) [2022-11-23 01:42:30,300 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (48 of 59 remaining) [2022-11-23 01:42:30,300 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (47 of 59 remaining) [2022-11-23 01:42:30,300 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (46 of 59 remaining) [2022-11-23 01:42:30,300 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (45 of 59 remaining) [2022-11-23 01:42:30,301 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (44 of 59 remaining) [2022-11-23 01:42:30,301 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (43 of 59 remaining) [2022-11-23 01:42:30,301 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (42 of 59 remaining) [2022-11-23 01:42:30,301 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (41 of 59 remaining) [2022-11-23 01:42:30,302 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (40 of 59 remaining) [2022-11-23 01:42:30,302 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err11ASSERT_VIOLATIONDATA_RACE (39 of 59 remaining) [2022-11-23 01:42:30,302 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err12ASSERT_VIOLATIONDATA_RACE (38 of 59 remaining) [2022-11-23 01:42:30,302 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err13ASSERT_VIOLATIONDATA_RACE (37 of 59 remaining) [2022-11-23 01:42:30,302 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err14ASSERT_VIOLATIONDATA_RACE (36 of 59 remaining) [2022-11-23 01:42:30,303 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (35 of 59 remaining) [2022-11-23 01:42:30,303 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (34 of 59 remaining) [2022-11-23 01:42:30,303 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (33 of 59 remaining) [2022-11-23 01:42:30,303 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (32 of 59 remaining) [2022-11-23 01:42:30,304 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (31 of 59 remaining) [2022-11-23 01:42:30,307 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (30 of 59 remaining) [2022-11-23 01:42:30,307 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (29 of 59 remaining) [2022-11-23 01:42:30,308 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (28 of 59 remaining) [2022-11-23 01:42:30,309 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (27 of 59 remaining) [2022-11-23 01:42:30,309 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (26 of 59 remaining) [2022-11-23 01:42:30,309 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (25 of 59 remaining) [2022-11-23 01:42:30,309 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (24 of 59 remaining) [2022-11-23 01:42:30,310 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (23 of 59 remaining) [2022-11-23 01:42:30,310 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (22 of 59 remaining) [2022-11-23 01:42:30,310 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (21 of 59 remaining) [2022-11-23 01:42:30,310 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (20 of 59 remaining) [2022-11-23 01:42:30,310 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (19 of 59 remaining) [2022-11-23 01:42:30,311 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (18 of 59 remaining) [2022-11-23 01:42:30,311 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (17 of 59 remaining) [2022-11-23 01:42:30,311 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (16 of 59 remaining) [2022-11-23 01:42:30,311 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (15 of 59 remaining) [2022-11-23 01:42:30,311 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (14 of 59 remaining) [2022-11-23 01:42:30,312 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (13 of 59 remaining) [2022-11-23 01:42:30,312 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (12 of 59 remaining) [2022-11-23 01:42:30,312 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (11 of 59 remaining) [2022-11-23 01:42:30,312 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (10 of 59 remaining) [2022-11-23 01:42:30,312 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (9 of 59 remaining) [2022-11-23 01:42:30,313 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (8 of 59 remaining) [2022-11-23 01:42:30,313 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (7 of 59 remaining) [2022-11-23 01:42:30,313 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (6 of 59 remaining) [2022-11-23 01:42:30,313 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (5 of 59 remaining) [2022-11-23 01:42:30,313 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (4 of 59 remaining) [2022-11-23 01:42:30,314 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err11ASSERT_VIOLATIONDATA_RACE (3 of 59 remaining) [2022-11-23 01:42:30,314 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err12ASSERT_VIOLATIONDATA_RACE (2 of 59 remaining) [2022-11-23 01:42:30,314 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err13ASSERT_VIOLATIONDATA_RACE (1 of 59 remaining) [2022-11-23 01:42:30,314 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err14ASSERT_VIOLATIONDATA_RACE (0 of 59 remaining) [2022-11-23 01:42:30,314 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-23 01:42:30,315 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1] [2022-11-23 01:42:30,320 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-11-23 01:42:30,320 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-23 01:42:30,330 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 01:42:30 BasicIcfg [2022-11-23 01:42:30,330 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-23 01:42:30,331 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-23 01:42:30,331 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-23 01:42:30,331 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-23 01:42:30,332 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:42:14" (3/4) ... [2022-11-23 01:42:30,337 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-23 01:42:30,343 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2022-11-23 01:42:30,343 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2022-11-23 01:42:30,349 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2022-11-23 01:42:30,349 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-11-23 01:42:30,349 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-11-23 01:42:30,350 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-23 01:42:30,389 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f358575-d4b3-48d2-a4d2-1f147deec117/bin/uautomizer-QkZJyEgLgS/witness.graphml [2022-11-23 01:42:30,389 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-23 01:42:30,389 INFO L158 Benchmark]: Toolchain (without parser) took 17611.02ms. Allocated memory was 151.0MB in the beginning and 268.4MB in the end (delta: 117.4MB). Free memory was 118.8MB in the beginning and 184.5MB in the end (delta: -65.7MB). Peak memory consumption was 53.3MB. Max. memory is 16.1GB. [2022-11-23 01:42:30,390 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 151.0MB. Free memory is still 96.9MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-23 01:42:30,390 INFO L158 Benchmark]: CACSL2BoogieTranslator took 261.72ms. Allocated memory is still 151.0MB. Free memory was 118.8MB in the beginning and 106.4MB in the end (delta: 12.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-11-23 01:42:30,390 INFO L158 Benchmark]: Boogie Procedure Inliner took 48.81ms. Allocated memory is still 151.0MB. Free memory was 106.4MB in the beginning and 103.7MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-23 01:42:30,391 INFO L158 Benchmark]: Boogie Preprocessor took 41.97ms. Allocated memory is still 151.0MB. Free memory was 103.7MB in the beginning and 101.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-23 01:42:30,391 INFO L158 Benchmark]: RCFGBuilder took 875.32ms. Allocated memory is still 151.0MB. Free memory was 101.6MB in the beginning and 76.4MB in the end (delta: 25.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2022-11-23 01:42:30,392 INFO L158 Benchmark]: TraceAbstraction took 16318.28ms. Allocated memory was 151.0MB in the beginning and 268.4MB in the end (delta: 117.4MB). Free memory was 75.6MB in the beginning and 188.7MB in the end (delta: -113.1MB). Peak memory consumption was 120.8MB. Max. memory is 16.1GB. [2022-11-23 01:42:30,392 INFO L158 Benchmark]: Witness Printer took 58.21ms. Allocated memory is still 268.4MB. Free memory was 188.7MB in the beginning and 184.5MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-23 01:42:30,394 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25ms. Allocated memory is still 151.0MB. Free memory is still 96.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 261.72ms. Allocated memory is still 151.0MB. Free memory was 118.8MB in the beginning and 106.4MB in the end (delta: 12.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 48.81ms. Allocated memory is still 151.0MB. Free memory was 106.4MB in the beginning and 103.7MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 41.97ms. Allocated memory is still 151.0MB. Free memory was 103.7MB in the beginning and 101.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 875.32ms. Allocated memory is still 151.0MB. Free memory was 101.6MB in the beginning and 76.4MB in the end (delta: 25.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * TraceAbstraction took 16318.28ms. Allocated memory was 151.0MB in the beginning and 268.4MB in the end (delta: 117.4MB). Free memory was 75.6MB in the beginning and 188.7MB in the end (delta: -113.1MB). Peak memory consumption was 120.8MB. Max. memory is 16.1GB. * Witness Printer took 58.21ms. Allocated memory is still 268.4MB. Free memory was 188.7MB in the beginning and 184.5MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 11.3s, 290 PlacesBefore, 86 PlacesAfterwards, 299 TransitionsBefore, 87 TransitionsAfterwards, 15876 CoEnabledTransitionPairs, 11 FixpointIterations, 132 TrivialSequentialCompositions, 200 ConcurrentSequentialCompositions, 16 TrivialYvCompositions, 23 ConcurrentYvCompositions, 8 ChoiceCompositions, 379 TotalNumberOfCompositions, 57718 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 31708, independent: 30849, independent conditional: 0, independent unconditional: 30849, dependent: 859, dependent conditional: 0, dependent unconditional: 859, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 12895, independent: 12746, independent conditional: 0, independent unconditional: 12746, dependent: 149, dependent conditional: 0, dependent unconditional: 149, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 12895, independent: 12027, independent conditional: 0, independent unconditional: 12027, dependent: 868, dependent conditional: 0, dependent unconditional: 868, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 868, independent: 719, independent conditional: 0, independent unconditional: 719, dependent: 149, dependent conditional: 0, dependent unconditional: 149, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 1732, independent: 1280, independent conditional: 0, independent unconditional: 1280, dependent: 452, dependent conditional: 0, dependent unconditional: 452, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 31708, independent: 18103, independent conditional: 0, independent unconditional: 18103, dependent: 710, dependent conditional: 0, dependent unconditional: 710, unknown: 12895, unknown conditional: 0, unknown unconditional: 12895] , Statistics on independence cache: Total cache size (in pairs): 1543, Positive cache size: 1481, Positive conditional cache size: 0, Positive unconditional cache size: 1481, Negative cache size: 62, Negative conditional cache size: 0, Negative unconditional cache size: 62, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - PositiveResult [Line: 49]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 51]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 51]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 51]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 51]: 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: 60]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 60]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 60]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 61]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 61]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 61]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 61]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 63]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 63]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 63]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 64]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 64]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 64]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 64]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 74]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 75]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 76]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 77]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 77]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 99]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 79]: 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: 85]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 87]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 87]: there are no data races For all program executions holds that there are no data races at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 450 locations, 59 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: 16.1s, OverallIterations: 6, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 2.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 11.6s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 640 SdHoareTripleChecker+Valid, 1.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 321 mSDsluCounter, 43 SdHoareTripleChecker+Invalid, 1.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 296 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1368 IncrementalHoareTripleChecker+Invalid, 1664 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 296 mSolverCounterUnsat, 43 mSDtfsCounter, 1368 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 18 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=186occurred in iteration=0, InterpolantAutomatonStates: 25, 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, 0.2s SatisfiabilityAnalysisTime, 1.2s InterpolantComputationTime, 68 NumberOfCodeBlocks, 68 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 62 ConstructedInterpolants, 0 QuantifiedInterpolants, 298 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 4/4 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 34 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-11-23 01:42:30,439 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f358575-d4b3-48d2-a4d2-1f147deec117/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE