./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/weaver/unroll-cond-2.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 38b53e6a Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a19eb5b-9ed0-4e49-8264-2ad7e1e8c715/bin/uautomizer-ZsLfNo2U6R/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a19eb5b-9ed0-4e49-8264-2ad7e1e8c715/bin/uautomizer-ZsLfNo2U6R/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a19eb5b-9ed0-4e49-8264-2ad7e1e8c715/bin/uautomizer-ZsLfNo2U6R/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a19eb5b-9ed0-4e49-8264-2ad7e1e8c715/bin/uautomizer-ZsLfNo2U6R/config/AutomizerReach.xml -i ../../sv-benchmarks/c/weaver/unroll-cond-2.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a19eb5b-9ed0-4e49-8264-2ad7e1e8c715/bin/uautomizer-ZsLfNo2U6R/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a19eb5b-9ed0-4e49-8264-2ad7e1e8c715/bin/uautomizer-ZsLfNo2U6R --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 99c42ba3d1f6c70520bbcf0a3136609166f98fb21063bda215f7779ff0bb27ca --- 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-38b53e6 [2022-11-25 16:45:26,324 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-25 16:45:26,326 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-25 16:45:26,352 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-25 16:45:26,355 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-25 16:45:26,359 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-25 16:45:26,362 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-25 16:45:26,367 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-25 16:45:26,369 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-25 16:45:26,375 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-25 16:45:26,377 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-25 16:45:26,379 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-25 16:45:26,380 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-25 16:45:26,385 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-25 16:45:26,387 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-25 16:45:26,389 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-25 16:45:26,391 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-25 16:45:26,392 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-25 16:45:26,394 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-25 16:45:26,401 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-25 16:45:26,404 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-25 16:45:26,406 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-25 16:45:26,408 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-25 16:45:26,409 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-25 16:45:26,420 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-25 16:45:26,420 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-25 16:45:26,421 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-25 16:45:26,423 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-25 16:45:26,424 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-25 16:45:26,425 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-25 16:45:26,426 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-25 16:45:26,427 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-25 16:45:26,429 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-25 16:45:26,431 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-25 16:45:26,432 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-25 16:45:26,432 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-25 16:45:26,433 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-25 16:45:26,433 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-25 16:45:26,434 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-25 16:45:26,435 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-25 16:45:26,435 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-25 16:45:26,436 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a19eb5b-9ed0-4e49-8264-2ad7e1e8c715/bin/uautomizer-ZsLfNo2U6R/config/svcomp-DataRace-32bit-Automizer_Default.epf [2022-11-25 16:45:26,478 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-25 16:45:26,482 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-25 16:45:26,482 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-25 16:45:26,483 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-25 16:45:26,484 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-25 16:45:26,484 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-25 16:45:26,485 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-25 16:45:26,485 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-25 16:45:26,486 INFO L138 SettingsManager]: * Use SBE=true [2022-11-25 16:45:26,486 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-25 16:45:26,487 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-25 16:45:26,487 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-25 16:45:26,488 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-25 16:45:26,488 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-25 16:45:26,488 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-25 16:45:26,488 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-25 16:45:26,489 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-25 16:45:26,489 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-25 16:45:26,489 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-11-25 16:45:26,489 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-25 16:45:26,490 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-25 16:45:26,490 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-25 16:45:26,490 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-25 16:45:26,490 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-25 16:45:26,491 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-25 16:45:26,491 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-25 16:45:26,491 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 16:45:26,492 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-25 16:45:26,492 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-25 16:45:26,492 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-25 16:45:26,492 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-25 16:45:26,493 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-25 16:45:26,493 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-25 16:45:26,493 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-25 16:45:26,494 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-11-25 16:45:26,494 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-25 16:45:26,494 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_8a19eb5b-9ed0-4e49-8264-2ad7e1e8c715/bin/uautomizer-ZsLfNo2U6R/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a19eb5b-9ed0-4e49-8264-2ad7e1e8c715/bin/uautomizer-ZsLfNo2U6R Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 99c42ba3d1f6c70520bbcf0a3136609166f98fb21063bda215f7779ff0bb27ca [2022-11-25 16:45:26,759 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-25 16:45:26,793 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-25 16:45:26,799 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-25 16:45:26,826 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-25 16:45:26,826 INFO L275 PluginConnector]: CDTParser initialized [2022-11-25 16:45:26,828 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a19eb5b-9ed0-4e49-8264-2ad7e1e8c715/bin/uautomizer-ZsLfNo2U6R/../../sv-benchmarks/c/weaver/unroll-cond-2.wvr.c [2022-11-25 16:45:30,222 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-25 16:45:30,416 INFO L351 CDTParser]: Found 1 translation units. [2022-11-25 16:45:30,416 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a19eb5b-9ed0-4e49-8264-2ad7e1e8c715/sv-benchmarks/c/weaver/unroll-cond-2.wvr.c [2022-11-25 16:45:30,424 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a19eb5b-9ed0-4e49-8264-2ad7e1e8c715/bin/uautomizer-ZsLfNo2U6R/data/e949eb44f/617214a69c6943db874b463086b63726/FLAGef331074c [2022-11-25 16:45:30,439 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a19eb5b-9ed0-4e49-8264-2ad7e1e8c715/bin/uautomizer-ZsLfNo2U6R/data/e949eb44f/617214a69c6943db874b463086b63726 [2022-11-25 16:45:30,442 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-25 16:45:30,444 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-25 16:45:30,445 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-25 16:45:30,446 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-25 16:45:30,450 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-25 16:45:30,451 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 04:45:30" (1/1) ... [2022-11-25 16:45:30,452 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@26df98e0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:45:30, skipping insertion in model container [2022-11-25 16:45:30,452 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 04:45:30" (1/1) ... [2022-11-25 16:45:30,460 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-25 16:45:30,480 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-25 16:45:30,686 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_8a19eb5b-9ed0-4e49-8264-2ad7e1e8c715/sv-benchmarks/c/weaver/unroll-cond-2.wvr.c[2474,2487] [2022-11-25 16:45:30,693 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 16:45:30,704 INFO L203 MainTranslator]: Completed pre-run [2022-11-25 16:45:30,746 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_8a19eb5b-9ed0-4e49-8264-2ad7e1e8c715/sv-benchmarks/c/weaver/unroll-cond-2.wvr.c[2474,2487] [2022-11-25 16:45:30,751 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 16:45:30,770 INFO L208 MainTranslator]: Completed translation [2022-11-25 16:45:30,771 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:45:30 WrapperNode [2022-11-25 16:45:30,771 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-25 16:45:30,773 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-25 16:45:30,773 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-25 16:45:30,773 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-25 16:45:30,783 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:45:30" (1/1) ... [2022-11-25 16:45:30,797 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:45:30" (1/1) ... [2022-11-25 16:45:30,837 INFO L138 Inliner]: procedures = 24, calls = 33, calls flagged for inlining = 11, calls inlined = 11, statements flattened = 276 [2022-11-25 16:45:30,837 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-25 16:45:30,838 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-25 16:45:30,839 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-25 16:45:30,839 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-25 16:45:30,854 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:45:30" (1/1) ... [2022-11-25 16:45:30,854 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:45:30" (1/1) ... [2022-11-25 16:45:30,862 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:45:30" (1/1) ... [2022-11-25 16:45:30,862 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:45:30" (1/1) ... [2022-11-25 16:45:30,885 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:45:30" (1/1) ... [2022-11-25 16:45:30,904 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:45:30" (1/1) ... [2022-11-25 16:45:30,906 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:45:30" (1/1) ... [2022-11-25 16:45:30,924 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:45:30" (1/1) ... [2022-11-25 16:45:30,928 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-25 16:45:30,930 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-25 16:45:30,930 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-25 16:45:30,930 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-25 16:45:30,932 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:45:30" (1/1) ... [2022-11-25 16:45:30,940 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 16:45:30,956 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a19eb5b-9ed0-4e49-8264-2ad7e1e8c715/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 16:45:30,993 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a19eb5b-9ed0-4e49-8264-2ad7e1e8c715/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-25 16:45:31,019 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a19eb5b-9ed0-4e49-8264-2ad7e1e8c715/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-25 16:45:31,055 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-25 16:45:31,055 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-11-25 16:45:31,056 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-11-25 16:45:31,057 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-11-25 16:45:31,059 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-11-25 16:45:31,061 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-25 16:45:31,061 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-25 16:45:31,061 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-25 16:45:31,061 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-25 16:45:31,061 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-25 16:45:31,062 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-25 16:45:31,062 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-25 16:45:31,062 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-25 16:45:31,064 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-25 16:45:31,257 INFO L235 CfgBuilder]: Building ICFG [2022-11-25 16:45:31,260 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-25 16:45:32,051 INFO L276 CfgBuilder]: Performing block encoding [2022-11-25 16:45:32,061 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-25 16:45:32,078 INFO L300 CfgBuilder]: Removed 3 assume(true) statements. [2022-11-25 16:45:32,081 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:45:32 BoogieIcfgContainer [2022-11-25 16:45:32,081 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-25 16:45:32,083 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-25 16:45:32,084 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-25 16:45:32,088 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-25 16:45:32,092 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 04:45:30" (1/3) ... [2022-11-25 16:45:32,093 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3b8f9413 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 04:45:32, skipping insertion in model container [2022-11-25 16:45:32,093 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:45:30" (2/3) ... [2022-11-25 16:45:32,093 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3b8f9413 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 04:45:32, skipping insertion in model container [2022-11-25 16:45:32,094 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:45:32" (3/3) ... [2022-11-25 16:45:32,095 INFO L112 eAbstractionObserver]: Analyzing ICFG unroll-cond-2.wvr.c [2022-11-25 16:45:32,108 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-11-25 16:45:32,117 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-25 16:45:32,117 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 41 error locations. [2022-11-25 16:45:32,117 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-25 16:45:32,285 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2022-11-25 16:45:32,338 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 346 places, 358 transitions, 732 flow [2022-11-25 16:45:32,502 INFO L130 PetriNetUnfolder]: 19/356 cut-off events. [2022-11-25 16:45:32,502 INFO L131 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2022-11-25 16:45:32,515 INFO L83 FinitePrefix]: Finished finitePrefix Result has 365 conditions, 356 events. 19/356 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 794 event pairs, 0 based on Foata normal form. 0/296 useless extension candidates. Maximal degree in co-relation 222. Up to 2 conditions per place. [2022-11-25 16:45:32,515 INFO L82 GeneralOperation]: Start removeDead. Operand has 346 places, 358 transitions, 732 flow [2022-11-25 16:45:32,533 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 327 places, 338 transitions, 688 flow [2022-11-25 16:45:32,537 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-11-25 16:45:32,556 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 327 places, 338 transitions, 688 flow [2022-11-25 16:45:32,560 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 327 places, 338 transitions, 688 flow [2022-11-25 16:45:32,560 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 327 places, 338 transitions, 688 flow [2022-11-25 16:45:32,647 INFO L130 PetriNetUnfolder]: 18/338 cut-off events. [2022-11-25 16:45:32,647 INFO L131 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2022-11-25 16:45:32,651 INFO L83 FinitePrefix]: Finished finitePrefix Result has 347 conditions, 338 events. 18/338 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 733 event pairs, 0 based on Foata normal form. 0/280 useless extension candidates. Maximal degree in co-relation 222. Up to 2 conditions per place. [2022-11-25 16:45:32,663 INFO L119 LiptonReduction]: Number of co-enabled transitions 23076 [2022-11-25 16:45:47,110 INFO L134 LiptonReduction]: Checked pairs total: 83032 [2022-11-25 16:45:47,111 INFO L136 LiptonReduction]: Total number of compositions: 413 [2022-11-25 16:45:47,141 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-25 16:45:47,152 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;@ccbc16, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-25 16:45:47,152 INFO L358 AbstractCegarLoop]: Starting to check reachability of 74 error locations. [2022-11-25 16:45:47,155 INFO L130 PetriNetUnfolder]: 0/0 cut-off events. [2022-11-25 16:45:47,156 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-11-25 16:45:47,156 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-25 16:45:47,157 INFO L209 CegarLoopForPetriNet]: trace histogram [1] [2022-11-25 16:45:47,159 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 70 more)] === [2022-11-25 16:45:47,167 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 16:45:47,167 INFO L85 PathProgramCache]: Analyzing trace with hash 1410, now seen corresponding path program 1 times [2022-11-25 16:45:47,179 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 16:45:47,179 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [543329627] [2022-11-25 16:45:47,180 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 16:45:47,180 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 16:45:47,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:45:47,271 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 16:45:47,272 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 16:45:47,272 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [543329627] [2022-11-25 16:45:47,273 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [543329627] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 16:45:47,273 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 16:45:47,274 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [0] imperfect sequences [] total 0 [2022-11-25 16:45:47,275 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1486869412] [2022-11-25 16:45:47,276 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 16:45:47,285 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-25 16:45:47,285 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 16:45:47,313 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-25 16:45:47,314 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-25 16:45:47,317 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 342 out of 771 [2022-11-25 16:45:47,321 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 101 places, 104 transitions, 220 flow. Second operand has 2 states, 2 states have (on average 342.5) internal successors, (685), 2 states have internal predecessors, (685), 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) [2022-11-25 16:45:47,329 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-25 16:45:47,330 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 342 of 771 [2022-11-25 16:45:47,331 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-25 16:45:47,687 INFO L130 PetriNetUnfolder]: 711/1561 cut-off events. [2022-11-25 16:45:47,688 INFO L131 PetriNetUnfolder]: For 55/55 co-relation queries the response was YES. [2022-11-25 16:45:47,692 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2706 conditions, 1561 events. 711/1561 cut-off events. For 55/55 co-relation queries the response was YES. Maximal size of possible extension queue 93. Compared 10680 event pairs, 542 based on Foata normal form. 262/1593 useless extension candidates. Maximal degree in co-relation 2398. Up to 1109 conditions per place. [2022-11-25 16:45:47,700 INFO L137 encePairwiseOnDemand]: 731/771 looper letters, 33 selfloop transitions, 0 changer transitions 1/64 dead transitions. [2022-11-25 16:45:47,701 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 68 places, 64 transitions, 208 flow [2022-11-25 16:45:47,702 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-25 16:45:47,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2022-11-25 16:45:47,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 758 transitions. [2022-11-25 16:45:47,724 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.4915693904020752 [2022-11-25 16:45:47,725 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 758 transitions. [2022-11-25 16:45:47,725 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 758 transitions. [2022-11-25 16:45:47,730 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-25 16:45:47,733 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 758 transitions. [2022-11-25 16:45:47,740 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 379.0) internal successors, (758), 2 states have internal predecessors, (758), 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) [2022-11-25 16:45:47,750 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 771.0) internal successors, (2313), 3 states have internal predecessors, (2313), 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) [2022-11-25 16:45:47,752 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 771.0) internal successors, (2313), 3 states have internal predecessors, (2313), 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) [2022-11-25 16:45:47,754 INFO L175 Difference]: Start difference. First operand has 101 places, 104 transitions, 220 flow. Second operand 2 states and 758 transitions. [2022-11-25 16:45:47,755 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 68 places, 64 transitions, 208 flow [2022-11-25 16:45:47,760 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 64 places, 64 transitions, 200 flow, removed 0 selfloop flow, removed 4 redundant places. [2022-11-25 16:45:47,763 INFO L231 Difference]: Finished difference. Result has 64 places, 63 transitions, 129 flow [2022-11-25 16:45:47,765 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=771, PETRI_DIFFERENCE_MINUEND_FLOW=132, PETRI_DIFFERENCE_MINUEND_PLACES=63, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=64, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=64, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=129, PETRI_PLACES=64, PETRI_TRANSITIONS=63} [2022-11-25 16:45:47,773 INFO L288 CegarLoopForPetriNet]: 101 programPoint places, -37 predicate places. [2022-11-25 16:45:47,773 INFO L495 AbstractCegarLoop]: Abstraction has has 64 places, 63 transitions, 129 flow [2022-11-25 16:45:47,774 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 342.5) internal successors, (685), 2 states have internal predecessors, (685), 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) [2022-11-25 16:45:47,774 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-25 16:45:47,774 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 16:45:47,774 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-25 16:45:47,775 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 70 more)] === [2022-11-25 16:45:47,777 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 16:45:47,778 INFO L85 PathProgramCache]: Analyzing trace with hash -1183169526, now seen corresponding path program 1 times [2022-11-25 16:45:47,781 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 16:45:47,781 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [901253065] [2022-11-25 16:45:47,782 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 16:45:47,782 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 16:45:47,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:45:48,092 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 16:45:48,094 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 16:45:48,094 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [901253065] [2022-11-25 16:45:48,095 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [901253065] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 16:45:48,099 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 16:45:48,099 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-25 16:45:48,100 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1333984610] [2022-11-25 16:45:48,100 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 16:45:48,102 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 16:45:48,102 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 16:45:48,103 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 16:45:48,103 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 16:45:48,154 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 338 out of 771 [2022-11-25 16:45:48,156 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 64 places, 63 transitions, 129 flow. Second operand has 3 states, 3 states have (on average 340.3333333333333) internal successors, (1021), 3 states have internal predecessors, (1021), 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) [2022-11-25 16:45:48,156 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-25 16:45:48,156 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 338 of 771 [2022-11-25 16:45:48,157 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-25 16:45:48,465 INFO L130 PetriNetUnfolder]: 711/1561 cut-off events. [2022-11-25 16:45:48,465 INFO L131 PetriNetUnfolder]: For 16/16 co-relation queries the response was YES. [2022-11-25 16:45:48,468 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2680 conditions, 1561 events. 711/1561 cut-off events. For 16/16 co-relation queries the response was YES. Maximal size of possible extension queue 93. Compared 10696 event pairs, 542 based on Foata normal form. 0/1331 useless extension candidates. Maximal degree in co-relation 2677. Up to 1108 conditions per place. [2022-11-25 16:45:48,476 INFO L137 encePairwiseOnDemand]: 768/771 looper letters, 32 selfloop transitions, 2 changer transitions 0/64 dead transitions. [2022-11-25 16:45:48,476 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 65 places, 64 transitions, 199 flow [2022-11-25 16:45:48,477 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 16:45:48,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-25 16:45:48,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1049 transitions. [2022-11-25 16:45:48,480 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.4535235624729788 [2022-11-25 16:45:48,480 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1049 transitions. [2022-11-25 16:45:48,481 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1049 transitions. [2022-11-25 16:45:48,482 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-25 16:45:48,482 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1049 transitions. [2022-11-25 16:45:48,485 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 349.6666666666667) internal successors, (1049), 3 states have internal predecessors, (1049), 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) [2022-11-25 16:45:48,490 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 771.0) internal successors, (3084), 4 states have internal predecessors, (3084), 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) [2022-11-25 16:45:48,492 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 771.0) internal successors, (3084), 4 states have internal predecessors, (3084), 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) [2022-11-25 16:45:48,492 INFO L175 Difference]: Start difference. First operand has 64 places, 63 transitions, 129 flow. Second operand 3 states and 1049 transitions. [2022-11-25 16:45:48,493 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 65 places, 64 transitions, 199 flow [2022-11-25 16:45:48,493 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 65 places, 64 transitions, 199 flow, removed 0 selfloop flow, removed 0 redundant places. [2022-11-25 16:45:48,495 INFO L231 Difference]: Finished difference. Result has 66 places, 64 transitions, 141 flow [2022-11-25 16:45:48,495 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=771, PETRI_DIFFERENCE_MINUEND_FLOW=129, PETRI_DIFFERENCE_MINUEND_PLACES=63, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=63, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=61, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=141, PETRI_PLACES=66, PETRI_TRANSITIONS=64} [2022-11-25 16:45:48,496 INFO L288 CegarLoopForPetriNet]: 101 programPoint places, -35 predicate places. [2022-11-25 16:45:48,496 INFO L495 AbstractCegarLoop]: Abstraction has has 66 places, 64 transitions, 141 flow [2022-11-25 16:45:48,497 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 340.3333333333333) internal successors, (1021), 3 states have internal predecessors, (1021), 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) [2022-11-25 16:45:48,498 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-25 16:45:48,498 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 16:45:48,498 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-25 16:45:48,498 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 70 more)] === [2022-11-25 16:45:48,499 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 16:45:48,499 INFO L85 PathProgramCache]: Analyzing trace with hash 1324670573, now seen corresponding path program 1 times [2022-11-25 16:45:48,499 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 16:45:48,500 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [990697046] [2022-11-25 16:45:48,500 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 16:45:48,500 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 16:45:48,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:45:48,971 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-25 16:45:48,971 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 16:45:48,972 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [990697046] [2022-11-25 16:45:48,972 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [990697046] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 16:45:48,972 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 16:45:48,973 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-25 16:45:48,974 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [356904229] [2022-11-25 16:45:48,974 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 16:45:48,978 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-25 16:45:48,979 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 16:45:48,980 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-25 16:45:48,981 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-11-25 16:45:49,279 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 331 out of 771 [2022-11-25 16:45:49,281 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 66 places, 64 transitions, 141 flow. Second operand has 5 states, 5 states have (on average 333.0) internal successors, (1665), 5 states have internal predecessors, (1665), 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) [2022-11-25 16:45:49,281 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-25 16:45:49,281 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 331 of 771 [2022-11-25 16:45:49,282 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-25 16:45:49,828 INFO L130 PetriNetUnfolder]: 1219/2250 cut-off events. [2022-11-25 16:45:49,829 INFO L131 PetriNetUnfolder]: For 7/7 co-relation queries the response was YES. [2022-11-25 16:45:49,832 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4108 conditions, 2250 events. 1219/2250 cut-off events. For 7/7 co-relation queries the response was YES. Maximal size of possible extension queue 138. Compared 14707 event pairs, 168 based on Foata normal form. 112/2071 useless extension candidates. Maximal degree in co-relation 4103. Up to 834 conditions per place. [2022-11-25 16:45:49,842 INFO L137 encePairwiseOnDemand]: 767/771 looper letters, 99 selfloop transitions, 3 changer transitions 0/129 dead transitions. [2022-11-25 16:45:49,842 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 69 places, 129 transitions, 475 flow [2022-11-25 16:45:49,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-25 16:45:49,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2022-11-25 16:45:49,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1757 transitions. [2022-11-25 16:45:49,847 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.4557717250324254 [2022-11-25 16:45:49,847 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 1757 transitions. [2022-11-25 16:45:49,847 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 1757 transitions. [2022-11-25 16:45:49,849 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-25 16:45:49,849 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 1757 transitions. [2022-11-25 16:45:49,853 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 351.4) internal successors, (1757), 5 states have internal predecessors, (1757), 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) [2022-11-25 16:45:49,859 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 771.0) internal successors, (4626), 6 states have internal predecessors, (4626), 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) [2022-11-25 16:45:49,862 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 771.0) internal successors, (4626), 6 states have internal predecessors, (4626), 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) [2022-11-25 16:45:49,863 INFO L175 Difference]: Start difference. First operand has 66 places, 64 transitions, 141 flow. Second operand 5 states and 1757 transitions. [2022-11-25 16:45:49,863 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 69 places, 129 transitions, 475 flow [2022-11-25 16:45:49,865 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 68 places, 129 transitions, 471 flow, removed 1 selfloop flow, removed 1 redundant places. [2022-11-25 16:45:49,868 INFO L231 Difference]: Finished difference. Result has 68 places, 63 transitions, 141 flow [2022-11-25 16:45:49,868 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=771, PETRI_DIFFERENCE_MINUEND_FLOW=135, PETRI_DIFFERENCE_MINUEND_PLACES=64, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=63, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=60, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=141, PETRI_PLACES=68, PETRI_TRANSITIONS=63} [2022-11-25 16:45:49,870 INFO L288 CegarLoopForPetriNet]: 101 programPoint places, -33 predicate places. [2022-11-25 16:45:49,871 INFO L495 AbstractCegarLoop]: Abstraction has has 68 places, 63 transitions, 141 flow [2022-11-25 16:45:49,872 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 333.0) internal successors, (1665), 5 states have internal predecessors, (1665), 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) [2022-11-25 16:45:49,872 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-25 16:45:49,872 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 16:45:49,872 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-25 16:45:49,873 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting thread2Err15ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 70 more)] === [2022-11-25 16:45:49,873 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 16:45:49,874 INFO L85 PathProgramCache]: Analyzing trace with hash 1313937245, now seen corresponding path program 1 times [2022-11-25 16:45:49,874 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 16:45:49,874 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [775295636] [2022-11-25 16:45:49,874 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 16:45:49,874 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 16:45:49,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:45:49,933 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-25 16:45:49,934 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 16:45:49,934 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [775295636] [2022-11-25 16:45:49,934 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [775295636] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 16:45:49,934 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 16:45:49,935 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-25 16:45:49,935 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [201804908] [2022-11-25 16:45:49,936 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 16:45:49,936 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 16:45:49,936 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 16:45:49,938 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 16:45:49,938 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 16:45:49,955 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 332 out of 771 [2022-11-25 16:45:49,957 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 68 places, 63 transitions, 141 flow. Second operand has 3 states, 3 states have (on average 335.0) internal successors, (1005), 3 states have internal predecessors, (1005), 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) [2022-11-25 16:45:49,957 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-25 16:45:49,957 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 332 of 771 [2022-11-25 16:45:49,957 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-25 16:45:50,175 INFO L130 PetriNetUnfolder]: 496/1128 cut-off events. [2022-11-25 16:45:50,180 INFO L131 PetriNetUnfolder]: For 152/163 co-relation queries the response was YES. [2022-11-25 16:45:50,182 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2121 conditions, 1128 events. 496/1128 cut-off events. For 152/163 co-relation queries the response was YES. Maximal size of possible extension queue 74. Compared 7047 event pairs, 240 based on Foata normal form. 1/1029 useless extension candidates. Maximal degree in co-relation 2116. Up to 830 conditions per place. [2022-11-25 16:45:50,188 INFO L137 encePairwiseOnDemand]: 768/771 looper letters, 38 selfloop transitions, 2 changer transitions 0/67 dead transitions. [2022-11-25 16:45:50,189 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 69 places, 67 transitions, 232 flow [2022-11-25 16:45:50,189 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 16:45:50,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-25 16:45:50,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1036 transitions. [2022-11-25 16:45:50,193 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.4479031560743623 [2022-11-25 16:45:50,193 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1036 transitions. [2022-11-25 16:45:50,193 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1036 transitions. [2022-11-25 16:45:50,195 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-25 16:45:50,196 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1036 transitions. [2022-11-25 16:45:50,199 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 345.3333333333333) internal successors, (1036), 3 states have internal predecessors, (1036), 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) [2022-11-25 16:45:50,204 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 771.0) internal successors, (3084), 4 states have internal predecessors, (3084), 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) [2022-11-25 16:45:50,207 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 771.0) internal successors, (3084), 4 states have internal predecessors, (3084), 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) [2022-11-25 16:45:50,208 INFO L175 Difference]: Start difference. First operand has 68 places, 63 transitions, 141 flow. Second operand 3 states and 1036 transitions. [2022-11-25 16:45:50,208 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 69 places, 67 transitions, 232 flow [2022-11-25 16:45:50,210 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 66 places, 67 transitions, 225 flow, removed 0 selfloop flow, removed 3 redundant places. [2022-11-25 16:45:50,211 INFO L231 Difference]: Finished difference. Result has 67 places, 64 transitions, 148 flow [2022-11-25 16:45:50,212 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=771, PETRI_DIFFERENCE_MINUEND_FLOW=134, PETRI_DIFFERENCE_MINUEND_PLACES=64, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=62, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=60, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=148, PETRI_PLACES=67, PETRI_TRANSITIONS=64} [2022-11-25 16:45:50,215 INFO L288 CegarLoopForPetriNet]: 101 programPoint places, -34 predicate places. [2022-11-25 16:45:50,216 INFO L495 AbstractCegarLoop]: Abstraction has has 67 places, 64 transitions, 148 flow [2022-11-25 16:45:50,217 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 335.0) internal successors, (1005), 3 states have internal predecessors, (1005), 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) [2022-11-25 16:45:50,217 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-25 16:45:50,217 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 16:45:50,217 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-25 16:45:50,218 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting thread1Err6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 70 more)] === [2022-11-25 16:45:50,219 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 16:45:50,219 INFO L85 PathProgramCache]: Analyzing trace with hash -308983778, now seen corresponding path program 1 times [2022-11-25 16:45:50,220 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 16:45:50,220 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1207634321] [2022-11-25 16:45:50,221 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 16:45:50,221 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 16:45:50,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:45:50,535 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-25 16:45:50,536 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 16:45:50,536 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1207634321] [2022-11-25 16:45:50,536 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1207634321] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 16:45:50,536 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 16:45:50,537 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-25 16:45:50,537 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1950684629] [2022-11-25 16:45:50,537 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 16:45:50,538 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-25 16:45:50,538 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 16:45:50,540 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-25 16:45:50,540 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-11-25 16:45:50,950 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 330 out of 771 [2022-11-25 16:45:50,953 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 67 places, 64 transitions, 148 flow. Second operand has 5 states, 5 states have (on average 332.2) internal successors, (1661), 5 states have internal predecessors, (1661), 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) [2022-11-25 16:45:50,953 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-25 16:45:50,953 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 330 of 771 [2022-11-25 16:45:50,954 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-25 16:45:51,362 INFO L130 PetriNetUnfolder]: 559/1275 cut-off events. [2022-11-25 16:45:51,362 INFO L131 PetriNetUnfolder]: For 16/16 co-relation queries the response was YES. [2022-11-25 16:45:51,366 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2271 conditions, 1275 events. 559/1275 cut-off events. For 16/16 co-relation queries the response was YES. Maximal size of possible extension queue 64. Compared 7800 event pairs, 311 based on Foata normal form. 34/1186 useless extension candidates. Maximal degree in co-relation 2266. Up to 648 conditions per place. [2022-11-25 16:45:51,371 INFO L137 encePairwiseOnDemand]: 766/771 looper letters, 88 selfloop transitions, 4 changer transitions 0/120 dead transitions. [2022-11-25 16:45:51,371 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 70 places, 120 transitions, 447 flow [2022-11-25 16:45:51,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-25 16:45:51,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2022-11-25 16:45:51,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1742 transitions. [2022-11-25 16:45:51,376 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.45188067444876784 [2022-11-25 16:45:51,376 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 1742 transitions. [2022-11-25 16:45:51,376 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 1742 transitions. [2022-11-25 16:45:51,377 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-25 16:45:51,377 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 1742 transitions. [2022-11-25 16:45:51,381 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 348.4) internal successors, (1742), 5 states have internal predecessors, (1742), 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) [2022-11-25 16:45:51,388 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 771.0) internal successors, (4626), 6 states have internal predecessors, (4626), 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) [2022-11-25 16:45:51,390 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 771.0) internal successors, (4626), 6 states have internal predecessors, (4626), 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) [2022-11-25 16:45:51,390 INFO L175 Difference]: Start difference. First operand has 67 places, 64 transitions, 148 flow. Second operand 5 states and 1742 transitions. [2022-11-25 16:45:51,390 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 70 places, 120 transitions, 447 flow [2022-11-25 16:45:51,391 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 70 places, 120 transitions, 447 flow, removed 0 selfloop flow, removed 0 redundant places. [2022-11-25 16:45:51,393 INFO L231 Difference]: Finished difference. Result has 70 places, 63 transitions, 154 flow [2022-11-25 16:45:51,393 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=771, PETRI_DIFFERENCE_MINUEND_FLOW=146, PETRI_DIFFERENCE_MINUEND_PLACES=66, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=63, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=59, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=154, PETRI_PLACES=70, PETRI_TRANSITIONS=63} [2022-11-25 16:45:51,394 INFO L288 CegarLoopForPetriNet]: 101 programPoint places, -31 predicate places. [2022-11-25 16:45:51,394 INFO L495 AbstractCegarLoop]: Abstraction has has 70 places, 63 transitions, 154 flow [2022-11-25 16:45:51,395 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 332.2) internal successors, (1661), 5 states have internal predecessors, (1661), 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) [2022-11-25 16:45:51,395 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-25 16:45:51,396 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 16:45:51,396 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-25 16:45:51,396 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting thread2Err6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 70 more)] === [2022-11-25 16:45:51,396 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 16:45:51,396 INFO L85 PathProgramCache]: Analyzing trace with hash 1053022036, now seen corresponding path program 1 times [2022-11-25 16:45:51,397 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 16:45:51,397 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [98240751] [2022-11-25 16:45:51,397 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 16:45:51,397 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 16:45:51,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:45:51,595 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-25 16:45:51,595 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 16:45:51,596 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [98240751] [2022-11-25 16:45:51,596 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [98240751] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 16:45:51,596 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 16:45:51,596 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-25 16:45:51,596 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1100378761] [2022-11-25 16:45:51,597 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 16:45:51,597 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-25 16:45:51,597 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 16:45:51,597 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-25 16:45:51,598 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-11-25 16:45:51,912 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 320 out of 771 [2022-11-25 16:45:51,914 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 70 places, 63 transitions, 154 flow. Second operand has 5 states, 5 states have (on average 322.4) internal successors, (1612), 5 states have internal predecessors, (1612), 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) [2022-11-25 16:45:51,914 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-25 16:45:51,914 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 320 of 771 [2022-11-25 16:45:51,915 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-25 16:45:52,228 INFO L130 PetriNetUnfolder]: 439/1012 cut-off events. [2022-11-25 16:45:52,228 INFO L131 PetriNetUnfolder]: For 59/59 co-relation queries the response was YES. [2022-11-25 16:45:52,231 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1899 conditions, 1012 events. 439/1012 cut-off events. For 59/59 co-relation queries the response was YES. Maximal size of possible extension queue 56. Compared 6033 event pairs, 191 based on Foata normal form. 51/949 useless extension candidates. Maximal degree in co-relation 1893. Up to 426 conditions per place. [2022-11-25 16:45:52,235 INFO L137 encePairwiseOnDemand]: 756/771 looper letters, 50 selfloop transitions, 12 changer transitions 0/87 dead transitions. [2022-11-25 16:45:52,236 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 71 places, 87 transitions, 335 flow [2022-11-25 16:45:52,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-25 16:45:52,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2022-11-25 16:45:52,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1664 transitions. [2022-11-25 16:45:52,242 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.4316472114137484 [2022-11-25 16:45:52,242 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 1664 transitions. [2022-11-25 16:45:52,242 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 1664 transitions. [2022-11-25 16:45:52,243 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-25 16:45:52,244 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 1664 transitions. [2022-11-25 16:45:52,248 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 332.8) internal successors, (1664), 5 states have internal predecessors, (1664), 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) [2022-11-25 16:45:52,255 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 771.0) internal successors, (4626), 6 states have internal predecessors, (4626), 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) [2022-11-25 16:45:52,257 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 771.0) internal successors, (4626), 6 states have internal predecessors, (4626), 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) [2022-11-25 16:45:52,257 INFO L175 Difference]: Start difference. First operand has 70 places, 63 transitions, 154 flow. Second operand 5 states and 1664 transitions. [2022-11-25 16:45:52,258 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 71 places, 87 transitions, 335 flow [2022-11-25 16:45:52,259 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 67 places, 87 transitions, 321 flow, removed 0 selfloop flow, removed 4 redundant places. [2022-11-25 16:45:52,261 INFO L231 Difference]: Finished difference. Result has 67 places, 60 transitions, 164 flow [2022-11-25 16:45:52,261 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=771, PETRI_DIFFERENCE_MINUEND_FLOW=140, PETRI_DIFFERENCE_MINUEND_PLACES=63, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=60, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=12, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=48, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=164, PETRI_PLACES=67, PETRI_TRANSITIONS=60} [2022-11-25 16:45:52,262 INFO L288 CegarLoopForPetriNet]: 101 programPoint places, -34 predicate places. [2022-11-25 16:45:52,262 INFO L495 AbstractCegarLoop]: Abstraction has has 67 places, 60 transitions, 164 flow [2022-11-25 16:45:52,265 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 322.4) internal successors, (1612), 5 states have internal predecessors, (1612), 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) [2022-11-25 16:45:52,265 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-25 16:45:52,265 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 16:45:52,266 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-25 16:45:52,266 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 70 more)] === [2022-11-25 16:45:52,266 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 16:45:52,267 INFO L85 PathProgramCache]: Analyzing trace with hash 1069955901, now seen corresponding path program 1 times [2022-11-25 16:45:52,267 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 16:45:52,267 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1328122170] [2022-11-25 16:45:52,267 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 16:45:52,268 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 16:45:52,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:45:52,536 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-25 16:45:52,536 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 16:45:52,536 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1328122170] [2022-11-25 16:45:52,537 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1328122170] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 16:45:52,537 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 16:45:52,537 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-25 16:45:52,537 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [303485537] [2022-11-25 16:45:52,537 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 16:45:52,538 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-25 16:45:52,538 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 16:45:52,539 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-25 16:45:52,539 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-11-25 16:45:52,837 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 331 out of 771 [2022-11-25 16:45:52,839 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 67 places, 60 transitions, 164 flow. Second operand has 5 states, 5 states have (on average 333.6) internal successors, (1668), 5 states have internal predecessors, (1668), 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) [2022-11-25 16:45:52,839 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-25 16:45:52,839 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 331 of 771 [2022-11-25 16:45:52,839 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-25 16:45:53,082 INFO L130 PetriNetUnfolder]: 349/907 cut-off events. [2022-11-25 16:45:53,082 INFO L131 PetriNetUnfolder]: For 127/127 co-relation queries the response was YES. [2022-11-25 16:45:53,085 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1766 conditions, 907 events. 349/907 cut-off events. For 127/127 co-relation queries the response was YES. Maximal size of possible extension queue 48. Compared 5606 event pairs, 227 based on Foata normal form. 13/808 useless extension candidates. Maximal degree in co-relation 1760. Up to 481 conditions per place. [2022-11-25 16:45:53,086 INFO L137 encePairwiseOnDemand]: 767/771 looper letters, 0 selfloop transitions, 0 changer transitions 98/98 dead transitions. [2022-11-25 16:45:53,086 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 70 places, 98 transitions, 416 flow [2022-11-25 16:45:53,087 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-25 16:45:53,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2022-11-25 16:45:53,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1725 transitions. [2022-11-25 16:45:53,092 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.4474708171206226 [2022-11-25 16:45:53,093 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 1725 transitions. [2022-11-25 16:45:53,093 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 1725 transitions. [2022-11-25 16:45:53,094 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-25 16:45:53,094 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 1725 transitions. [2022-11-25 16:45:53,098 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 345.0) internal successors, (1725), 5 states have internal predecessors, (1725), 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) [2022-11-25 16:45:53,104 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 771.0) internal successors, (4626), 6 states have internal predecessors, (4626), 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) [2022-11-25 16:45:53,105 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 771.0) internal successors, (4626), 6 states have internal predecessors, (4626), 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) [2022-11-25 16:45:53,106 INFO L175 Difference]: Start difference. First operand has 67 places, 60 transitions, 164 flow. Second operand 5 states and 1725 transitions. [2022-11-25 16:45:53,106 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 70 places, 98 transitions, 416 flow [2022-11-25 16:45:53,111 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 66 places, 98 transitions, 356 flow, removed 0 selfloop flow, removed 4 redundant places. [2022-11-25 16:45:53,112 INFO L231 Difference]: Finished difference. Result has 66 places, 0 transitions, 0 flow [2022-11-25 16:45:53,112 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=771, PETRI_DIFFERENCE_MINUEND_FLOW=138, PETRI_DIFFERENCE_MINUEND_PLACES=62, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=59, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=59, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=0, PETRI_PLACES=66, PETRI_TRANSITIONS=0} [2022-11-25 16:45:53,113 INFO L288 CegarLoopForPetriNet]: 101 programPoint places, -35 predicate places. [2022-11-25 16:45:53,114 INFO L495 AbstractCegarLoop]: Abstraction has has 66 places, 0 transitions, 0 flow [2022-11-25 16:45:53,115 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 333.6) internal successors, (1668), 5 states have internal predecessors, (1668), 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) [2022-11-25 16:45:53,118 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (73 of 74 remaining) [2022-11-25 16:45:53,118 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (72 of 74 remaining) [2022-11-25 16:45:53,119 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (71 of 74 remaining) [2022-11-25 16:45:53,119 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (70 of 74 remaining) [2022-11-25 16:45:53,119 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (69 of 74 remaining) [2022-11-25 16:45:53,119 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (68 of 74 remaining) [2022-11-25 16:45:53,119 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (67 of 74 remaining) [2022-11-25 16:45:53,120 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (66 of 74 remaining) [2022-11-25 16:45:53,120 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (65 of 74 remaining) [2022-11-25 16:45:53,120 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err15ASSERT_VIOLATIONDATA_RACE (64 of 74 remaining) [2022-11-25 16:45:53,120 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (63 of 74 remaining) [2022-11-25 16:45:53,120 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err16ASSERT_VIOLATIONDATA_RACE (62 of 74 remaining) [2022-11-25 16:45:53,121 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (61 of 74 remaining) [2022-11-25 16:45:53,121 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err17ASSERT_VIOLATIONDATA_RACE (60 of 74 remaining) [2022-11-25 16:45:53,121 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (59 of 74 remaining) [2022-11-25 16:45:53,121 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err18ASSERT_VIOLATIONDATA_RACE (58 of 74 remaining) [2022-11-25 16:45:53,121 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (57 of 74 remaining) [2022-11-25 16:45:53,124 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err19ASSERT_VIOLATIONDATA_RACE (56 of 74 remaining) [2022-11-25 16:45:53,125 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (55 of 74 remaining) [2022-11-25 16:45:53,125 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err20ASSERT_VIOLATIONDATA_RACE (54 of 74 remaining) [2022-11-25 16:45:53,126 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (53 of 74 remaining) [2022-11-25 16:45:53,127 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err21ASSERT_VIOLATIONDATA_RACE (52 of 74 remaining) [2022-11-25 16:45:53,127 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (51 of 74 remaining) [2022-11-25 16:45:53,127 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err22ASSERT_VIOLATIONDATA_RACE (50 of 74 remaining) [2022-11-25 16:45:53,128 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (49 of 74 remaining) [2022-11-25 16:45:53,128 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (48 of 74 remaining) [2022-11-25 16:45:53,128 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (47 of 74 remaining) [2022-11-25 16:45:53,128 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err11ASSERT_VIOLATIONDATA_RACE (46 of 74 remaining) [2022-11-25 16:45:53,129 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err12ASSERT_VIOLATIONDATA_RACE (45 of 74 remaining) [2022-11-25 16:45:53,129 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err13ASSERT_VIOLATIONDATA_RACE (44 of 74 remaining) [2022-11-25 16:45:53,129 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err14ASSERT_VIOLATIONDATA_RACE (43 of 74 remaining) [2022-11-25 16:45:53,129 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (42 of 74 remaining) [2022-11-25 16:45:53,129 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (41 of 74 remaining) [2022-11-25 16:45:53,130 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (40 of 74 remaining) [2022-11-25 16:45:53,130 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (39 of 74 remaining) [2022-11-25 16:45:53,130 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (38 of 74 remaining) [2022-11-25 16:45:53,130 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (37 of 74 remaining) [2022-11-25 16:45:53,131 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (36 of 74 remaining) [2022-11-25 16:45:53,131 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (35 of 74 remaining) [2022-11-25 16:45:53,131 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (34 of 74 remaining) [2022-11-25 16:45:53,131 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (33 of 74 remaining) [2022-11-25 16:45:53,132 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (32 of 74 remaining) [2022-11-25 16:45:53,132 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (31 of 74 remaining) [2022-11-25 16:45:53,132 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (30 of 74 remaining) [2022-11-25 16:45:53,135 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (29 of 74 remaining) [2022-11-25 16:45:53,135 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (28 of 74 remaining) [2022-11-25 16:45:53,135 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (27 of 74 remaining) [2022-11-25 16:45:53,135 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (26 of 74 remaining) [2022-11-25 16:45:53,136 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (25 of 74 remaining) [2022-11-25 16:45:53,136 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (24 of 74 remaining) [2022-11-25 16:45:53,136 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (23 of 74 remaining) [2022-11-25 16:45:53,136 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (22 of 74 remaining) [2022-11-25 16:45:53,137 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err15ASSERT_VIOLATIONDATA_RACE (21 of 74 remaining) [2022-11-25 16:45:53,137 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (20 of 74 remaining) [2022-11-25 16:45:53,137 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err16ASSERT_VIOLATIONDATA_RACE (19 of 74 remaining) [2022-11-25 16:45:53,137 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (18 of 74 remaining) [2022-11-25 16:45:53,137 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err17ASSERT_VIOLATIONDATA_RACE (17 of 74 remaining) [2022-11-25 16:45:53,138 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (16 of 74 remaining) [2022-11-25 16:45:53,138 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err18ASSERT_VIOLATIONDATA_RACE (15 of 74 remaining) [2022-11-25 16:45:53,138 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (14 of 74 remaining) [2022-11-25 16:45:53,138 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err19ASSERT_VIOLATIONDATA_RACE (13 of 74 remaining) [2022-11-25 16:45:53,139 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (12 of 74 remaining) [2022-11-25 16:45:53,139 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err20ASSERT_VIOLATIONDATA_RACE (11 of 74 remaining) [2022-11-25 16:45:53,139 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (10 of 74 remaining) [2022-11-25 16:45:53,139 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err21ASSERT_VIOLATIONDATA_RACE (9 of 74 remaining) [2022-11-25 16:45:53,139 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (8 of 74 remaining) [2022-11-25 16:45:53,140 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err22ASSERT_VIOLATIONDATA_RACE (7 of 74 remaining) [2022-11-25 16:45:53,140 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (6 of 74 remaining) [2022-11-25 16:45:53,140 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (5 of 74 remaining) [2022-11-25 16:45:53,140 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (4 of 74 remaining) [2022-11-25 16:45:53,141 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err11ASSERT_VIOLATIONDATA_RACE (3 of 74 remaining) [2022-11-25 16:45:53,141 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err12ASSERT_VIOLATIONDATA_RACE (2 of 74 remaining) [2022-11-25 16:45:53,141 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err13ASSERT_VIOLATIONDATA_RACE (1 of 74 remaining) [2022-11-25 16:45:53,141 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err14ASSERT_VIOLATIONDATA_RACE (0 of 74 remaining) [2022-11-25 16:45:53,142 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-25 16:45:53,142 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1] [2022-11-25 16:45:53,149 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-11-25 16:45:53,150 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-25 16:45:53,154 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.11 04:45:53 BasicIcfg [2022-11-25 16:45:53,154 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-25 16:45:53,155 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-25 16:45:53,155 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-25 16:45:53,155 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-25 16:45:53,156 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:45:32" (3/4) ... [2022-11-25 16:45:53,159 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-25 16:45:53,167 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2022-11-25 16:45:53,167 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2022-11-25 16:45:53,174 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2022-11-25 16:45:53,174 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-11-25 16:45:53,175 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-11-25 16:45:53,175 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-25 16:45:53,235 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a19eb5b-9ed0-4e49-8264-2ad7e1e8c715/bin/uautomizer-ZsLfNo2U6R/witness.graphml [2022-11-25 16:45:53,235 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-25 16:45:53,236 INFO L158 Benchmark]: Toolchain (without parser) took 22791.99ms. Allocated memory was 182.5MB in the beginning and 325.1MB in the end (delta: 142.6MB). Free memory was 140.6MB in the beginning and 105.7MB in the end (delta: 34.9MB). Peak memory consumption was 179.6MB. Max. memory is 16.1GB. [2022-11-25 16:45:53,236 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 132.1MB. Free memory was 99.8MB in the beginning and 99.7MB in the end (delta: 25.1kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-25 16:45:53,237 INFO L158 Benchmark]: CACSL2BoogieTranslator took 326.27ms. Allocated memory is still 182.5MB. Free memory was 140.6MB in the beginning and 128.0MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-11-25 16:45:53,237 INFO L158 Benchmark]: Boogie Procedure Inliner took 65.07ms. Allocated memory is still 182.5MB. Free memory was 128.0MB in the beginning and 125.2MB in the end (delta: 2.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-25 16:45:53,237 INFO L158 Benchmark]: Boogie Preprocessor took 90.58ms. Allocated memory is still 182.5MB. Free memory was 125.2MB in the beginning and 122.4MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-25 16:45:53,238 INFO L158 Benchmark]: RCFGBuilder took 1151.57ms. Allocated memory is still 182.5MB. Free memory was 122.4MB in the beginning and 95.2MB in the end (delta: 27.3MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2022-11-25 16:45:53,238 INFO L158 Benchmark]: TraceAbstraction took 21071.13ms. Allocated memory was 182.5MB in the beginning and 325.1MB in the end (delta: 142.6MB). Free memory was 94.5MB in the beginning and 108.8MB in the end (delta: -14.3MB). Peak memory consumption was 131.4MB. Max. memory is 16.1GB. [2022-11-25 16:45:53,239 INFO L158 Benchmark]: Witness Printer took 80.13ms. Allocated memory is still 325.1MB. Free memory was 108.8MB in the beginning and 105.7MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-25 16:45:53,242 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 132.1MB. Free memory was 99.8MB in the beginning and 99.7MB in the end (delta: 25.1kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 326.27ms. Allocated memory is still 182.5MB. Free memory was 140.6MB in the beginning and 128.0MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 65.07ms. Allocated memory is still 182.5MB. Free memory was 128.0MB in the beginning and 125.2MB in the end (delta: 2.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 90.58ms. Allocated memory is still 182.5MB. Free memory was 125.2MB in the beginning and 122.4MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1151.57ms. Allocated memory is still 182.5MB. Free memory was 122.4MB in the beginning and 95.2MB in the end (delta: 27.3MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. * TraceAbstraction took 21071.13ms. Allocated memory was 182.5MB in the beginning and 325.1MB in the end (delta: 142.6MB). Free memory was 94.5MB in the beginning and 108.8MB in the end (delta: -14.3MB). Peak memory consumption was 131.4MB. Max. memory is 16.1GB. * Witness Printer took 80.13ms. Allocated memory is still 325.1MB. Free memory was 108.8MB in the beginning and 105.7MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 14.6s, 327 PlacesBefore, 101 PlacesAfterwards, 338 TransitionsBefore, 104 TransitionsAfterwards, 23076 CoEnabledTransitionPairs, 11 FixpointIterations, 110 TrivialSequentialCompositions, 245 ConcurrentSequentialCompositions, 11 TrivialYvCompositions, 39 ConcurrentYvCompositions, 8 ChoiceCompositions, 413 TotalNumberOfCompositions, 83032 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 40374, independent: 39348, independent conditional: 0, independent unconditional: 39348, dependent: 1026, dependent conditional: 0, dependent unconditional: 1026, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 18545, independent: 18343, independent conditional: 0, independent unconditional: 18343, dependent: 202, dependent conditional: 0, dependent unconditional: 202, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 18545, independent: 17370, independent conditional: 0, independent unconditional: 17370, dependent: 1175, dependent conditional: 0, dependent unconditional: 1175, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 1175, independent: 973, independent conditional: 0, independent unconditional: 973, dependent: 202, dependent conditional: 0, dependent unconditional: 202, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 2785, independent: 2123, independent conditional: 0, independent unconditional: 2123, dependent: 662, dependent conditional: 0, dependent unconditional: 662, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 40374, independent: 21005, independent conditional: 0, independent unconditional: 21005, dependent: 824, dependent conditional: 0, dependent unconditional: 824, unknown: 18545, unknown conditional: 0, unknown unconditional: 18545] , Statistics on independence cache: Total cache size (in pairs): 2195, Positive cache size: 2113, Positive conditional cache size: 0, Positive unconditional cache size: 2113, Negative cache size: 82, Negative conditional cache size: 0, Negative unconditional cache size: 82, 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: 67]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 60]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 68]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 60]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 68]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 60]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 68]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 61]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 69]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 61]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 69]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 61]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 69]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 61]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 69]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 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: 79]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 80]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 81]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 82]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 82]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 102]: 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: 88]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 90]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 90]: 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, 534 locations, 74 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: 20.8s, OverallIterations: 7, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 4.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 14.8s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 785 SdHoareTripleChecker+Valid, 2.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 409 mSDsluCounter, 57 SdHoareTripleChecker+Invalid, 1.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 379 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1766 IncrementalHoareTripleChecker+Invalid, 2145 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 379 mSolverCounterUnsat, 57 mSDtfsCounter, 1766 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 20 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=220occurred in iteration=0, InterpolantAutomatonStates: 28, 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, 1.4s InterpolantComputationTime, 78 NumberOfCodeBlocks, 78 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 71 ConstructedInterpolants, 0 QuantifiedInterpolants, 309 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 7 PerfectInterpolantSequences, 5/5 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 41 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-11-25 16:45:53,276 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a19eb5b-9ed0-4e49-8264-2ad7e1e8c715/bin/uautomizer-ZsLfNo2U6R/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