./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/weaver/popl20-more-max-array-hom.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version e04fb08f Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a4cf9b5-10ea-4c5e-8aa8-1477c001873f/bin/uautomizer-tPACEb0tL8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a4cf9b5-10ea-4c5e-8aa8-1477c001873f/bin/uautomizer-tPACEb0tL8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a4cf9b5-10ea-4c5e-8aa8-1477c001873f/bin/uautomizer-tPACEb0tL8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a4cf9b5-10ea-4c5e-8aa8-1477c001873f/bin/uautomizer-tPACEb0tL8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/weaver/popl20-more-max-array-hom.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a4cf9b5-10ea-4c5e-8aa8-1477c001873f/bin/uautomizer-tPACEb0tL8/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a4cf9b5-10ea-4c5e-8aa8-1477c001873f/bin/uautomizer-tPACEb0tL8 --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 251696ec6cec82b3ac56ff493f8f4412eaff7e5010650cc9da1e4c426de80d8c --- 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-e04fb08 [2022-11-16 11:28:23,422 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-16 11:28:23,424 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-16 11:28:23,446 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-16 11:28:23,447 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-16 11:28:23,448 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-16 11:28:23,449 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-16 11:28:23,451 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-16 11:28:23,453 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-16 11:28:23,453 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-16 11:28:23,454 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-16 11:28:23,456 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-16 11:28:23,456 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-16 11:28:23,457 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-16 11:28:23,458 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-16 11:28:23,460 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-16 11:28:23,461 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-16 11:28:23,462 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-16 11:28:23,464 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-16 11:28:23,466 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-16 11:28:23,467 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-16 11:28:23,469 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-16 11:28:23,470 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-16 11:28:23,471 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-16 11:28:23,476 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-16 11:28:23,476 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-16 11:28:23,477 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-16 11:28:23,478 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-16 11:28:23,478 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-16 11:28:23,479 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-16 11:28:23,480 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-16 11:28:23,481 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-16 11:28:23,481 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-16 11:28:23,482 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-16 11:28:23,484 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-16 11:28:23,484 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-16 11:28:23,485 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-16 11:28:23,485 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-16 11:28:23,486 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-16 11:28:23,487 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-16 11:28:23,488 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-16 11:28:23,489 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a4cf9b5-10ea-4c5e-8aa8-1477c001873f/bin/uautomizer-tPACEb0tL8/config/svcomp-DataRace-32bit-Automizer_Default.epf [2022-11-16 11:28:23,512 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-16 11:28:23,512 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-16 11:28:23,513 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-16 11:28:23,513 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-16 11:28:23,514 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-16 11:28:23,514 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-16 11:28:23,515 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-16 11:28:23,515 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-16 11:28:23,515 INFO L138 SettingsManager]: * Use SBE=true [2022-11-16 11:28:23,516 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-16 11:28:23,516 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-16 11:28:23,516 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-16 11:28:23,516 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-16 11:28:23,517 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-16 11:28:23,517 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-16 11:28:23,517 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-16 11:28:23,517 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-16 11:28:23,517 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-16 11:28:23,518 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-11-16 11:28:23,518 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-16 11:28:23,518 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-16 11:28:23,518 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-16 11:28:23,519 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-16 11:28:23,519 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-16 11:28:23,519 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-16 11:28:23,519 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-16 11:28:23,520 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 11:28:23,520 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-16 11:28:23,520 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-16 11:28:23,520 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-16 11:28:23,520 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-16 11:28:23,521 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-16 11:28:23,521 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-16 11:28:23,521 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-16 11:28:23,521 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-16 11:28:23,521 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_5a4cf9b5-10ea-4c5e-8aa8-1477c001873f/bin/uautomizer-tPACEb0tL8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a4cf9b5-10ea-4c5e-8aa8-1477c001873f/bin/uautomizer-tPACEb0tL8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 251696ec6cec82b3ac56ff493f8f4412eaff7e5010650cc9da1e4c426de80d8c [2022-11-16 11:28:23,791 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-16 11:28:23,819 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-16 11:28:23,823 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-16 11:28:23,824 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-16 11:28:23,826 INFO L275 PluginConnector]: CDTParser initialized [2022-11-16 11:28:23,827 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a4cf9b5-10ea-4c5e-8aa8-1477c001873f/bin/uautomizer-tPACEb0tL8/../../sv-benchmarks/c/weaver/popl20-more-max-array-hom.wvr.c [2022-11-16 11:28:23,892 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a4cf9b5-10ea-4c5e-8aa8-1477c001873f/bin/uautomizer-tPACEb0tL8/data/fee84b01b/5dcf174ddb1f4350a76dbdc44527d0d0/FLAG85138ee09 [2022-11-16 11:28:24,351 INFO L306 CDTParser]: Found 1 translation units. [2022-11-16 11:28:24,353 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a4cf9b5-10ea-4c5e-8aa8-1477c001873f/sv-benchmarks/c/weaver/popl20-more-max-array-hom.wvr.c [2022-11-16 11:28:24,362 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a4cf9b5-10ea-4c5e-8aa8-1477c001873f/bin/uautomizer-tPACEb0tL8/data/fee84b01b/5dcf174ddb1f4350a76dbdc44527d0d0/FLAG85138ee09 [2022-11-16 11:28:24,865 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a4cf9b5-10ea-4c5e-8aa8-1477c001873f/bin/uautomizer-tPACEb0tL8/data/fee84b01b/5dcf174ddb1f4350a76dbdc44527d0d0 [2022-11-16 11:28:24,868 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-16 11:28:24,869 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-16 11:28:24,871 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-16 11:28:24,871 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-16 11:28:24,882 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-16 11:28:24,883 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 11:28:24" (1/1) ... [2022-11-16 11:28:24,885 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6437d96 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:28:24, skipping insertion in model container [2022-11-16 11:28:24,886 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 11:28:24" (1/1) ... [2022-11-16 11:28:24,895 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-16 11:28:24,921 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-16 11:28:25,134 WARN L229 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_5a4cf9b5-10ea-4c5e-8aa8-1477c001873f/sv-benchmarks/c/weaver/popl20-more-max-array-hom.wvr.c[2586,2599] [2022-11-16 11:28:25,140 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 11:28:25,147 INFO L203 MainTranslator]: Completed pre-run [2022-11-16 11:28:25,176 WARN L229 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_5a4cf9b5-10ea-4c5e-8aa8-1477c001873f/sv-benchmarks/c/weaver/popl20-more-max-array-hom.wvr.c[2586,2599] [2022-11-16 11:28:25,181 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 11:28:25,195 INFO L208 MainTranslator]: Completed translation [2022-11-16 11:28:25,195 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:28:25 WrapperNode [2022-11-16 11:28:25,196 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-16 11:28:25,197 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-16 11:28:25,197 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-16 11:28:25,197 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-16 11:28:25,207 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:28:25" (1/1) ... [2022-11-16 11:28:25,218 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:28:25" (1/1) ... [2022-11-16 11:28:25,244 INFO L138 Inliner]: procedures = 24, calls = 43, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 162 [2022-11-16 11:28:25,244 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-16 11:28:25,245 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-16 11:28:25,245 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-16 11:28:25,245 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-16 11:28:25,253 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:28:25" (1/1) ... [2022-11-16 11:28:25,254 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:28:25" (1/1) ... [2022-11-16 11:28:25,259 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:28:25" (1/1) ... [2022-11-16 11:28:25,259 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:28:25" (1/1) ... [2022-11-16 11:28:25,277 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:28:25" (1/1) ... [2022-11-16 11:28:25,282 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:28:25" (1/1) ... [2022-11-16 11:28:25,284 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:28:25" (1/1) ... [2022-11-16 11:28:25,286 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:28:25" (1/1) ... [2022-11-16 11:28:25,289 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-16 11:28:25,290 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-16 11:28:25,290 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-16 11:28:25,290 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-16 11:28:25,291 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:28:25" (1/1) ... [2022-11-16 11:28:25,298 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 11:28:25,310 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a4cf9b5-10ea-4c5e-8aa8-1477c001873f/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 11:28:25,322 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a4cf9b5-10ea-4c5e-8aa8-1477c001873f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-16 11:28:25,335 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a4cf9b5-10ea-4c5e-8aa8-1477c001873f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-16 11:28:25,371 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-16 11:28:25,371 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-11-16 11:28:25,371 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-11-16 11:28:25,371 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-11-16 11:28:25,372 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-11-16 11:28:25,372 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-11-16 11:28:25,372 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-11-16 11:28:25,372 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-16 11:28:25,372 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-16 11:28:25,372 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-16 11:28:25,373 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-11-16 11:28:25,373 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-11-16 11:28:25,373 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-16 11:28:25,373 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-16 11:28:25,373 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-16 11:28:25,373 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-16 11:28:25,373 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-16 11:28:25,375 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-16 11:28:25,523 INFO L235 CfgBuilder]: Building ICFG [2022-11-16 11:28:25,525 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-16 11:28:26,284 INFO L276 CfgBuilder]: Performing block encoding [2022-11-16 11:28:26,604 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-16 11:28:26,605 INFO L300 CfgBuilder]: Removed 4 assume(true) statements. [2022-11-16 11:28:26,607 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 11:28:26 BoogieIcfgContainer [2022-11-16 11:28:26,607 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-16 11:28:26,610 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-16 11:28:26,610 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-16 11:28:26,614 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-16 11:28:26,614 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 11:28:24" (1/3) ... [2022-11-16 11:28:26,615 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7decbef6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 11:28:26, skipping insertion in model container [2022-11-16 11:28:26,615 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:28:25" (2/3) ... [2022-11-16 11:28:26,615 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7decbef6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 11:28:26, skipping insertion in model container [2022-11-16 11:28:26,616 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 11:28:26" (3/3) ... [2022-11-16 11:28:26,622 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-more-max-array-hom.wvr.c [2022-11-16 11:28:26,634 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-11-16 11:28:26,645 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-16 11:28:26,645 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 38 error locations. [2022-11-16 11:28:26,645 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-16 11:28:26,766 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2022-11-16 11:28:26,821 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 257 places, 261 transitions, 546 flow [2022-11-16 11:28:26,976 INFO L130 PetriNetUnfolder]: 14/258 cut-off events. [2022-11-16 11:28:26,978 INFO L131 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2022-11-16 11:28:26,987 INFO L83 FinitePrefix]: Finished finitePrefix Result has 271 conditions, 258 events. 14/258 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 286 event pairs, 0 based on Foata normal form. 0/206 useless extension candidates. Maximal degree in co-relation 171. Up to 2 conditions per place. [2022-11-16 11:28:26,987 INFO L82 GeneralOperation]: Start removeDead. Operand has 257 places, 261 transitions, 546 flow [2022-11-16 11:28:26,996 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 232 places, 234 transitions, 486 flow [2022-11-16 11:28:27,008 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-16 11:28:27,017 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;@5ffeb8c2, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-16 11:28:27,018 INFO L358 AbstractCegarLoop]: Starting to check reachability of 63 error locations. [2022-11-16 11:28:27,030 INFO L130 PetriNetUnfolder]: 0/25 cut-off events. [2022-11-16 11:28:27,030 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-11-16 11:28:27,031 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 11:28:27,031 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:28:27,033 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 59 more)] === [2022-11-16 11:28:27,038 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:28:27,038 INFO L85 PathProgramCache]: Analyzing trace with hash -102642556, now seen corresponding path program 1 times [2022-11-16 11:28:27,049 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:28:27,049 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1984704167] [2022-11-16 11:28:27,049 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:28:27,050 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:28:27,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:28:27,296 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 11:28:27,296 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:28:27,297 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1984704167] [2022-11-16 11:28:27,298 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1984704167] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:28:27,298 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:28:27,298 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-16 11:28:27,300 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [183844153] [2022-11-16 11:28:27,301 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:28:27,310 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 11:28:27,311 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:28:27,355 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 11:28:27,357 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 11:28:27,362 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 207 out of 261 [2022-11-16 11:28:27,400 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 232 places, 234 transitions, 486 flow. Second operand has 3 states, 3 states have (on average 208.33333333333334) internal successors, (625), 3 states have internal predecessors, (625), 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) [2022-11-16 11:28:27,401 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 11:28:27,401 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 207 of 261 [2022-11-16 11:28:27,402 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 11:28:27,722 INFO L130 PetriNetUnfolder]: 205/694 cut-off events. [2022-11-16 11:28:27,722 INFO L131 PetriNetUnfolder]: For 181/206 co-relation queries the response was YES. [2022-11-16 11:28:27,730 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1070 conditions, 694 events. 205/694 cut-off events. For 181/206 co-relation queries the response was YES. Maximal size of possible extension queue 49. Compared 3283 event pairs, 114 based on Foata normal form. 75/595 useless extension candidates. Maximal degree in co-relation 859. Up to 288 conditions per place. [2022-11-16 11:28:27,736 INFO L137 encePairwiseOnDemand]: 233/261 looper letters, 24 selfloop transitions, 2 changer transitions 3/208 dead transitions. [2022-11-16 11:28:27,737 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 215 places, 208 transitions, 486 flow [2022-11-16 11:28:27,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 11:28:27,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-16 11:28:27,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 673 transitions. [2022-11-16 11:28:27,759 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.859514687100894 [2022-11-16 11:28:27,760 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 673 transitions. [2022-11-16 11:28:27,760 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 673 transitions. [2022-11-16 11:28:27,764 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 11:28:27,768 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 673 transitions. [2022-11-16 11:28:27,776 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 224.33333333333334) internal successors, (673), 3 states have internal predecessors, (673), 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) [2022-11-16 11:28:27,785 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 261.0) internal successors, (1044), 4 states have internal predecessors, (1044), 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) [2022-11-16 11:28:27,786 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 261.0) internal successors, (1044), 4 states have internal predecessors, (1044), 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) [2022-11-16 11:28:27,788 INFO L175 Difference]: Start difference. First operand has 232 places, 234 transitions, 486 flow. Second operand 3 states and 673 transitions. [2022-11-16 11:28:27,789 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 215 places, 208 transitions, 486 flow [2022-11-16 11:28:27,795 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 209 places, 208 transitions, 474 flow, removed 0 selfloop flow, removed 6 redundant places. [2022-11-16 11:28:27,800 INFO L231 Difference]: Finished difference. Result has 209 places, 205 transitions, 420 flow [2022-11-16 11:28:27,803 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=261, PETRI_DIFFERENCE_MINUEND_FLOW=422, PETRI_DIFFERENCE_MINUEND_PLACES=207, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=208, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=206, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=420, PETRI_PLACES=209, PETRI_TRANSITIONS=205} [2022-11-16 11:28:27,808 INFO L288 CegarLoopForPetriNet]: 232 programPoint places, -23 predicate places. [2022-11-16 11:28:27,808 INFO L495 AbstractCegarLoop]: Abstraction has has 209 places, 205 transitions, 420 flow [2022-11-16 11:28:27,809 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 208.33333333333334) internal successors, (625), 3 states have internal predecessors, (625), 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) [2022-11-16 11:28:27,809 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 11:28:27,810 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:28:27,810 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-16 11:28:27,810 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 59 more)] === [2022-11-16 11:28:27,811 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:28:27,812 INFO L85 PathProgramCache]: Analyzing trace with hash -1653474480, now seen corresponding path program 1 times [2022-11-16 11:28:27,812 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:28:27,812 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1933614679] [2022-11-16 11:28:27,812 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:28:27,812 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:28:27,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:28:27,952 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 11:28:27,952 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:28:27,952 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1933614679] [2022-11-16 11:28:27,952 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1933614679] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:28:27,953 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:28:27,953 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-16 11:28:27,953 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1326411991] [2022-11-16 11:28:27,953 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:28:27,955 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 11:28:27,955 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:28:27,955 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 11:28:27,956 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 11:28:27,957 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 207 out of 261 [2022-11-16 11:28:27,958 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 209 places, 205 transitions, 420 flow. Second operand has 3 states, 3 states have (on average 208.33333333333334) internal successors, (625), 3 states have internal predecessors, (625), 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) [2022-11-16 11:28:27,959 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 11:28:27,959 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 207 of 261 [2022-11-16 11:28:27,959 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 11:28:28,200 INFO L130 PetriNetUnfolder]: 154/667 cut-off events. [2022-11-16 11:28:28,200 INFO L131 PetriNetUnfolder]: For 21/48 co-relation queries the response was YES. [2022-11-16 11:28:28,203 INFO L83 FinitePrefix]: Finished finitePrefix Result has 929 conditions, 667 events. 154/667 cut-off events. For 21/48 co-relation queries the response was YES. Maximal size of possible extension queue 41. Compared 3190 event pairs, 90 based on Foata normal form. 0/535 useless extension candidates. Maximal degree in co-relation 895. Up to 240 conditions per place. [2022-11-16 11:28:28,209 INFO L137 encePairwiseOnDemand]: 258/261 looper letters, 24 selfloop transitions, 2 changer transitions 0/204 dead transitions. [2022-11-16 11:28:28,209 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 207 places, 204 transitions, 470 flow [2022-11-16 11:28:28,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 11:28:28,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-16 11:28:28,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 648 transitions. [2022-11-16 11:28:28,211 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8275862068965517 [2022-11-16 11:28:28,211 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 648 transitions. [2022-11-16 11:28:28,212 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 648 transitions. [2022-11-16 11:28:28,212 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 11:28:28,212 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 648 transitions. [2022-11-16 11:28:28,214 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 216.0) internal successors, (648), 3 states have internal predecessors, (648), 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) [2022-11-16 11:28:28,216 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 261.0) internal successors, (1044), 4 states have internal predecessors, (1044), 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) [2022-11-16 11:28:28,216 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 261.0) internal successors, (1044), 4 states have internal predecessors, (1044), 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) [2022-11-16 11:28:28,217 INFO L175 Difference]: Start difference. First operand has 209 places, 205 transitions, 420 flow. Second operand 3 states and 648 transitions. [2022-11-16 11:28:28,217 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 207 places, 204 transitions, 470 flow [2022-11-16 11:28:28,221 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 205 places, 204 transitions, 466 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-16 11:28:28,228 INFO L231 Difference]: Finished difference. Result has 205 places, 204 transitions, 418 flow [2022-11-16 11:28:28,229 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=261, PETRI_DIFFERENCE_MINUEND_FLOW=414, PETRI_DIFFERENCE_MINUEND_PLACES=203, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=204, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=202, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=418, PETRI_PLACES=205, PETRI_TRANSITIONS=204} [2022-11-16 11:28:28,230 INFO L288 CegarLoopForPetriNet]: 232 programPoint places, -27 predicate places. [2022-11-16 11:28:28,230 INFO L495 AbstractCegarLoop]: Abstraction has has 205 places, 204 transitions, 418 flow [2022-11-16 11:28:28,231 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 208.33333333333334) internal successors, (625), 3 states have internal predecessors, (625), 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) [2022-11-16 11:28:28,231 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 11:28:28,231 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:28:28,232 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-16 11:28:28,233 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 59 more)] === [2022-11-16 11:28:28,234 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:28:28,235 INFO L85 PathProgramCache]: Analyzing trace with hash 1404229599, now seen corresponding path program 1 times [2022-11-16 11:28:28,235 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:28:28,235 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1975769548] [2022-11-16 11:28:28,235 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:28:28,236 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:28:28,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:28:28,292 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 11:28:28,292 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:28:28,292 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1975769548] [2022-11-16 11:28:28,293 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1975769548] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:28:28,293 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:28:28,293 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-16 11:28:28,293 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [517712973] [2022-11-16 11:28:28,293 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:28:28,294 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 11:28:28,294 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:28:28,294 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 11:28:28,295 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 11:28:28,296 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 210 out of 261 [2022-11-16 11:28:28,297 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 205 places, 204 transitions, 418 flow. Second operand has 3 states, 3 states have (on average 211.33333333333334) internal successors, (634), 3 states have internal predecessors, (634), 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) [2022-11-16 11:28:28,297 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 11:28:28,297 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 210 of 261 [2022-11-16 11:28:28,297 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 11:28:28,451 INFO L130 PetriNetUnfolder]: 108/561 cut-off events. [2022-11-16 11:28:28,452 INFO L131 PetriNetUnfolder]: For 18/35 co-relation queries the response was YES. [2022-11-16 11:28:28,455 INFO L83 FinitePrefix]: Finished finitePrefix Result has 745 conditions, 561 events. 108/561 cut-off events. For 18/35 co-relation queries the response was YES. Maximal size of possible extension queue 29. Compared 2407 event pairs, 59 based on Foata normal form. 0/479 useless extension candidates. Maximal degree in co-relation 703. Up to 164 conditions per place. [2022-11-16 11:28:28,458 INFO L137 encePairwiseOnDemand]: 256/261 looper letters, 18 selfloop transitions, 1 changer transitions 0/200 dead transitions. [2022-11-16 11:28:28,458 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 203 places, 200 transitions, 448 flow [2022-11-16 11:28:28,459 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 11:28:28,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-16 11:28:28,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 653 transitions. [2022-11-16 11:28:28,462 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8339719029374202 [2022-11-16 11:28:28,462 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 653 transitions. [2022-11-16 11:28:28,462 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 653 transitions. [2022-11-16 11:28:28,463 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 11:28:28,463 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 653 transitions. [2022-11-16 11:28:28,465 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 217.66666666666666) internal successors, (653), 3 states have internal predecessors, (653), 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) [2022-11-16 11:28:28,467 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 261.0) internal successors, (1044), 4 states have internal predecessors, (1044), 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) [2022-11-16 11:28:28,467 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 261.0) internal successors, (1044), 4 states have internal predecessors, (1044), 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) [2022-11-16 11:28:28,468 INFO L175 Difference]: Start difference. First operand has 205 places, 204 transitions, 418 flow. Second operand 3 states and 653 transitions. [2022-11-16 11:28:28,468 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 203 places, 200 transitions, 448 flow [2022-11-16 11:28:28,470 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 201 places, 200 transitions, 444 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-16 11:28:28,472 INFO L231 Difference]: Finished difference. Result has 201 places, 200 transitions, 408 flow [2022-11-16 11:28:28,473 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=261, PETRI_DIFFERENCE_MINUEND_FLOW=406, PETRI_DIFFERENCE_MINUEND_PLACES=199, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=200, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=199, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=408, PETRI_PLACES=201, PETRI_TRANSITIONS=200} [2022-11-16 11:28:28,475 INFO L288 CegarLoopForPetriNet]: 232 programPoint places, -31 predicate places. [2022-11-16 11:28:28,476 INFO L495 AbstractCegarLoop]: Abstraction has has 201 places, 200 transitions, 408 flow [2022-11-16 11:28:28,476 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 211.33333333333334) internal successors, (634), 3 states have internal predecessors, (634), 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) [2022-11-16 11:28:28,477 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 11:28:28,477 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:28:28,477 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-16 11:28:28,477 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 59 more)] === [2022-11-16 11:28:28,478 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:28:28,478 INFO L85 PathProgramCache]: Analyzing trace with hash 1126554298, now seen corresponding path program 1 times [2022-11-16 11:28:28,478 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:28:28,479 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1784592265] [2022-11-16 11:28:28,479 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:28:28,480 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:28:28,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:28:28,557 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 11:28:28,557 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:28:28,557 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1784592265] [2022-11-16 11:28:28,558 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1784592265] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:28:28,558 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:28:28,558 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-16 11:28:28,558 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [609933247] [2022-11-16 11:28:28,559 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:28:28,559 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 11:28:28,559 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:28:28,560 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 11:28:28,560 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 11:28:28,561 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 219 out of 261 [2022-11-16 11:28:28,562 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 201 places, 200 transitions, 408 flow. Second operand has 3 states, 3 states have (on average 220.33333333333334) internal successors, (661), 3 states have internal predecessors, (661), 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) [2022-11-16 11:28:28,563 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 11:28:28,563 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 219 of 261 [2022-11-16 11:28:28,563 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 11:28:28,674 INFO L130 PetriNetUnfolder]: 42/361 cut-off events. [2022-11-16 11:28:28,674 INFO L131 PetriNetUnfolder]: For 14/17 co-relation queries the response was YES. [2022-11-16 11:28:28,675 INFO L83 FinitePrefix]: Finished finitePrefix Result has 435 conditions, 361 events. 42/361 cut-off events. For 14/17 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 957 event pairs, 15 based on Foata normal form. 0/314 useless extension candidates. Maximal degree in co-relation 394. Up to 62 conditions per place. [2022-11-16 11:28:28,677 INFO L137 encePairwiseOnDemand]: 258/261 looper letters, 12 selfloop transitions, 2 changer transitions 0/199 dead transitions. [2022-11-16 11:28:28,677 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 202 places, 199 transitions, 434 flow [2022-11-16 11:28:28,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 11:28:28,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-16 11:28:28,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 672 transitions. [2022-11-16 11:28:28,681 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8582375478927203 [2022-11-16 11:28:28,684 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 672 transitions. [2022-11-16 11:28:28,684 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 672 transitions. [2022-11-16 11:28:28,684 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 11:28:28,685 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 672 transitions. [2022-11-16 11:28:28,687 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 224.0) internal successors, (672), 3 states have internal predecessors, (672), 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) [2022-11-16 11:28:28,689 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 261.0) internal successors, (1044), 4 states have internal predecessors, (1044), 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) [2022-11-16 11:28:28,690 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 261.0) internal successors, (1044), 4 states have internal predecessors, (1044), 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) [2022-11-16 11:28:28,690 INFO L175 Difference]: Start difference. First operand has 201 places, 200 transitions, 408 flow. Second operand 3 states and 672 transitions. [2022-11-16 11:28:28,691 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 202 places, 199 transitions, 434 flow [2022-11-16 11:28:28,697 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 201 places, 199 transitions, 433 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-11-16 11:28:28,699 INFO L231 Difference]: Finished difference. Result has 201 places, 199 transitions, 409 flow [2022-11-16 11:28:28,700 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=261, PETRI_DIFFERENCE_MINUEND_FLOW=405, PETRI_DIFFERENCE_MINUEND_PLACES=199, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=199, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=197, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=409, PETRI_PLACES=201, PETRI_TRANSITIONS=199} [2022-11-16 11:28:28,701 INFO L288 CegarLoopForPetriNet]: 232 programPoint places, -31 predicate places. [2022-11-16 11:28:28,702 INFO L495 AbstractCegarLoop]: Abstraction has has 201 places, 199 transitions, 409 flow [2022-11-16 11:28:28,703 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 220.33333333333334) internal successors, (661), 3 states have internal predecessors, (661), 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) [2022-11-16 11:28:28,703 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 11:28:28,703 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:28:28,703 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-16 11:28:28,703 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 59 more)] === [2022-11-16 11:28:28,704 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:28:28,704 INFO L85 PathProgramCache]: Analyzing trace with hash -1770987768, now seen corresponding path program 1 times [2022-11-16 11:28:28,704 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:28:28,706 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1573381720] [2022-11-16 11:28:28,706 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:28:28,706 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:28:28,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:28:29,344 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 11:28:29,345 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:28:29,345 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1573381720] [2022-11-16 11:28:29,345 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1573381720] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:28:29,345 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:28:29,346 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-16 11:28:29,346 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1707260296] [2022-11-16 11:28:29,346 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:28:29,346 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-16 11:28:29,347 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:28:29,347 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-16 11:28:29,347 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-16 11:28:29,349 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 190 out of 261 [2022-11-16 11:28:29,351 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 201 places, 199 transitions, 409 flow. Second operand has 6 states, 6 states have (on average 191.83333333333334) internal successors, (1151), 6 states have internal predecessors, (1151), 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) [2022-11-16 11:28:29,351 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 11:28:29,351 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 190 of 261 [2022-11-16 11:28:29,351 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 11:28:29,591 INFO L130 PetriNetUnfolder]: 200/584 cut-off events. [2022-11-16 11:28:29,591 INFO L131 PetriNetUnfolder]: For 1/9 co-relation queries the response was YES. [2022-11-16 11:28:29,594 INFO L83 FinitePrefix]: Finished finitePrefix Result has 913 conditions, 584 events. 200/584 cut-off events. For 1/9 co-relation queries the response was YES. Maximal size of possible extension queue 34. Compared 2363 event pairs, 117 based on Foata normal form. 0/508 useless extension candidates. Maximal degree in co-relation 873. Up to 312 conditions per place. [2022-11-16 11:28:29,598 INFO L137 encePairwiseOnDemand]: 255/261 looper letters, 38 selfloop transitions, 5 changer transitions 0/198 dead transitions. [2022-11-16 11:28:29,598 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 205 places, 198 transitions, 493 flow [2022-11-16 11:28:29,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-16 11:28:29,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-11-16 11:28:29,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1184 transitions. [2022-11-16 11:28:29,602 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.756066411238825 [2022-11-16 11:28:29,602 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1184 transitions. [2022-11-16 11:28:29,602 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1184 transitions. [2022-11-16 11:28:29,603 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 11:28:29,603 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1184 transitions. [2022-11-16 11:28:29,606 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 197.33333333333334) internal successors, (1184), 6 states have internal predecessors, (1184), 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) [2022-11-16 11:28:29,609 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 261.0) internal successors, (1827), 7 states have internal predecessors, (1827), 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) [2022-11-16 11:28:29,610 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 261.0) internal successors, (1827), 7 states have internal predecessors, (1827), 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) [2022-11-16 11:28:29,611 INFO L175 Difference]: Start difference. First operand has 201 places, 199 transitions, 409 flow. Second operand 6 states and 1184 transitions. [2022-11-16 11:28:29,611 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 205 places, 198 transitions, 493 flow [2022-11-16 11:28:29,612 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 203 places, 198 transitions, 489 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-16 11:28:29,615 INFO L231 Difference]: Finished difference. Result has 203 places, 198 transitions, 413 flow [2022-11-16 11:28:29,615 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=261, PETRI_DIFFERENCE_MINUEND_FLOW=403, PETRI_DIFFERENCE_MINUEND_PLACES=198, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=198, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=193, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=413, PETRI_PLACES=203, PETRI_TRANSITIONS=198} [2022-11-16 11:28:29,616 INFO L288 CegarLoopForPetriNet]: 232 programPoint places, -29 predicate places. [2022-11-16 11:28:29,616 INFO L495 AbstractCegarLoop]: Abstraction has has 203 places, 198 transitions, 413 flow [2022-11-16 11:28:29,617 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 191.83333333333334) internal successors, (1151), 6 states have internal predecessors, (1151), 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) [2022-11-16 11:28:29,618 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 11:28:29,618 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:28:29,618 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-16 11:28:29,618 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 59 more)] === [2022-11-16 11:28:29,619 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:28:29,619 INFO L85 PathProgramCache]: Analyzing trace with hash 877371062, now seen corresponding path program 1 times [2022-11-16 11:28:29,619 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:28:29,619 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1579925284] [2022-11-16 11:28:29,620 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:28:29,620 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:28:29,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:28:29,674 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 11:28:29,674 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:28:29,674 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1579925284] [2022-11-16 11:28:29,675 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1579925284] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:28:29,675 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:28:29,675 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-16 11:28:29,675 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [17796395] [2022-11-16 11:28:29,675 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:28:29,676 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 11:28:29,676 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:28:29,677 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 11:28:29,677 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 11:28:29,678 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 210 out of 261 [2022-11-16 11:28:29,679 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 203 places, 198 transitions, 413 flow. Second operand has 3 states, 3 states have (on average 211.33333333333334) internal successors, (634), 3 states have internal predecessors, (634), 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) [2022-11-16 11:28:29,679 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 11:28:29,679 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 210 of 261 [2022-11-16 11:28:29,680 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 11:28:29,798 INFO L130 PetriNetUnfolder]: 137/539 cut-off events. [2022-11-16 11:28:29,799 INFO L131 PetriNetUnfolder]: For 37/53 co-relation queries the response was YES. [2022-11-16 11:28:29,800 INFO L83 FinitePrefix]: Finished finitePrefix Result has 748 conditions, 539 events. 137/539 cut-off events. For 37/53 co-relation queries the response was YES. Maximal size of possible extension queue 35. Compared 2223 event pairs, 71 based on Foata normal form. 0/460 useless extension candidates. Maximal degree in co-relation 730. Up to 187 conditions per place. [2022-11-16 11:28:29,803 INFO L137 encePairwiseOnDemand]: 256/261 looper letters, 18 selfloop transitions, 1 changer transitions 0/194 dead transitions. [2022-11-16 11:28:29,803 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 201 places, 194 transitions, 443 flow [2022-11-16 11:28:29,804 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 11:28:29,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-16 11:28:29,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 653 transitions. [2022-11-16 11:28:29,806 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8339719029374202 [2022-11-16 11:28:29,806 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 653 transitions. [2022-11-16 11:28:29,806 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 653 transitions. [2022-11-16 11:28:29,807 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 11:28:29,807 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 653 transitions. [2022-11-16 11:28:29,808 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 217.66666666666666) internal successors, (653), 3 states have internal predecessors, (653), 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) [2022-11-16 11:28:29,810 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 261.0) internal successors, (1044), 4 states have internal predecessors, (1044), 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) [2022-11-16 11:28:29,811 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 261.0) internal successors, (1044), 4 states have internal predecessors, (1044), 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) [2022-11-16 11:28:29,811 INFO L175 Difference]: Start difference. First operand has 203 places, 198 transitions, 413 flow. Second operand 3 states and 653 transitions. [2022-11-16 11:28:29,811 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 201 places, 194 transitions, 443 flow [2022-11-16 11:28:29,812 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 196 places, 194 transitions, 433 flow, removed 0 selfloop flow, removed 5 redundant places. [2022-11-16 11:28:29,815 INFO L231 Difference]: Finished difference. Result has 196 places, 194 transitions, 397 flow [2022-11-16 11:28:29,815 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=261, PETRI_DIFFERENCE_MINUEND_FLOW=395, PETRI_DIFFERENCE_MINUEND_PLACES=194, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=194, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=193, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=397, PETRI_PLACES=196, PETRI_TRANSITIONS=194} [2022-11-16 11:28:29,816 INFO L288 CegarLoopForPetriNet]: 232 programPoint places, -36 predicate places. [2022-11-16 11:28:29,816 INFO L495 AbstractCegarLoop]: Abstraction has has 196 places, 194 transitions, 397 flow [2022-11-16 11:28:29,817 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 211.33333333333334) internal successors, (634), 3 states have internal predecessors, (634), 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) [2022-11-16 11:28:29,817 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 11:28:29,817 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:28:29,817 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-16 11:28:29,818 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 59 more)] === [2022-11-16 11:28:29,818 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:28:29,818 INFO L85 PathProgramCache]: Analyzing trace with hash 2115276045, now seen corresponding path program 1 times [2022-11-16 11:28:29,819 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:28:29,819 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [716796353] [2022-11-16 11:28:29,819 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:28:29,819 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:28:29,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:28:30,400 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 11:28:30,400 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:28:30,401 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [716796353] [2022-11-16 11:28:30,401 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [716796353] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:28:30,401 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:28:30,401 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-16 11:28:30,407 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1378799614] [2022-11-16 11:28:30,408 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:28:30,408 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-16 11:28:30,409 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:28:30,409 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-16 11:28:30,409 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-16 11:28:30,411 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 195 out of 261 [2022-11-16 11:28:30,413 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 196 places, 194 transitions, 397 flow. Second operand has 6 states, 6 states have (on average 197.0) internal successors, (1182), 6 states have internal predecessors, (1182), 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) [2022-11-16 11:28:30,413 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 11:28:30,413 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 195 of 261 [2022-11-16 11:28:30,413 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 11:28:30,858 INFO L130 PetriNetUnfolder]: 242/651 cut-off events. [2022-11-16 11:28:30,858 INFO L131 PetriNetUnfolder]: For 1/9 co-relation queries the response was YES. [2022-11-16 11:28:30,861 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1013 conditions, 651 events. 242/651 cut-off events. For 1/9 co-relation queries the response was YES. Maximal size of possible extension queue 33. Compared 2575 event pairs, 22 based on Foata normal form. 4/606 useless extension candidates. Maximal degree in co-relation 971. Up to 184 conditions per place. [2022-11-16 11:28:30,864 INFO L137 encePairwiseOnDemand]: 256/261 looper letters, 43 selfloop transitions, 4 changer transitions 0/205 dead transitions. [2022-11-16 11:28:30,865 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 200 places, 205 transitions, 513 flow [2022-11-16 11:28:30,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-16 11:28:30,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-11-16 11:28:30,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1218 transitions. [2022-11-16 11:28:30,868 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.7777777777777778 [2022-11-16 11:28:30,868 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1218 transitions. [2022-11-16 11:28:30,869 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1218 transitions. [2022-11-16 11:28:30,869 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 11:28:30,870 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1218 transitions. [2022-11-16 11:28:30,872 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 203.0) internal successors, (1218), 6 states have internal predecessors, (1218), 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) [2022-11-16 11:28:30,875 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 261.0) internal successors, (1827), 7 states have internal predecessors, (1827), 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) [2022-11-16 11:28:30,876 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 261.0) internal successors, (1827), 7 states have internal predecessors, (1827), 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) [2022-11-16 11:28:30,876 INFO L175 Difference]: Start difference. First operand has 196 places, 194 transitions, 397 flow. Second operand 6 states and 1218 transitions. [2022-11-16 11:28:30,876 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 200 places, 205 transitions, 513 flow [2022-11-16 11:28:30,878 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 199 places, 205 transitions, 512 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-11-16 11:28:30,880 INFO L231 Difference]: Finished difference. Result has 199 places, 193 transitions, 402 flow [2022-11-16 11:28:30,881 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=261, PETRI_DIFFERENCE_MINUEND_FLOW=394, PETRI_DIFFERENCE_MINUEND_PLACES=194, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=193, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=189, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=402, PETRI_PLACES=199, PETRI_TRANSITIONS=193} [2022-11-16 11:28:30,881 INFO L288 CegarLoopForPetriNet]: 232 programPoint places, -33 predicate places. [2022-11-16 11:28:30,882 INFO L495 AbstractCegarLoop]: Abstraction has has 199 places, 193 transitions, 402 flow [2022-11-16 11:28:30,882 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 197.0) internal successors, (1182), 6 states have internal predecessors, (1182), 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) [2022-11-16 11:28:30,882 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 11:28:30,883 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:28:30,883 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-16 11:28:30,883 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 59 more)] === [2022-11-16 11:28:30,883 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:28:30,884 INFO L85 PathProgramCache]: Analyzing trace with hash 1538969369, now seen corresponding path program 1 times [2022-11-16 11:28:30,884 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:28:30,884 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [333907277] [2022-11-16 11:28:30,884 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:28:30,885 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:28:30,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:28:31,340 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 11:28:31,341 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:28:31,341 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [333907277] [2022-11-16 11:28:31,341 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [333907277] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:28:31,342 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:28:31,342 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-16 11:28:31,342 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1640310981] [2022-11-16 11:28:31,342 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:28:31,343 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-16 11:28:31,343 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:28:31,343 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-16 11:28:31,344 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-16 11:28:31,345 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 195 out of 261 [2022-11-16 11:28:31,346 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 199 places, 193 transitions, 402 flow. Second operand has 6 states, 6 states have (on average 198.0) internal successors, (1188), 6 states have internal predecessors, (1188), 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) [2022-11-16 11:28:31,347 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 11:28:31,347 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 195 of 261 [2022-11-16 11:28:31,347 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 11:28:31,672 INFO L130 PetriNetUnfolder]: 153/499 cut-off events. [2022-11-16 11:28:31,673 INFO L131 PetriNetUnfolder]: For 10/10 co-relation queries the response was YES. [2022-11-16 11:28:31,674 INFO L83 FinitePrefix]: Finished finitePrefix Result has 795 conditions, 499 events. 153/499 cut-off events. For 10/10 co-relation queries the response was YES. Maximal size of possible extension queue 27. Compared 1915 event pairs, 79 based on Foata normal form. 0/458 useless extension candidates. Maximal degree in co-relation 753. Up to 179 conditions per place. [2022-11-16 11:28:31,678 INFO L137 encePairwiseOnDemand]: 256/261 looper letters, 38 selfloop transitions, 4 changer transitions 0/200 dead transitions. [2022-11-16 11:28:31,678 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 203 places, 200 transitions, 500 flow [2022-11-16 11:28:31,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-16 11:28:31,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-11-16 11:28:31,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1213 transitions. [2022-11-16 11:28:31,682 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.7745849297573435 [2022-11-16 11:28:31,682 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1213 transitions. [2022-11-16 11:28:31,683 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1213 transitions. [2022-11-16 11:28:31,683 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 11:28:31,684 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1213 transitions. [2022-11-16 11:28:31,686 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 202.16666666666666) internal successors, (1213), 6 states have internal predecessors, (1213), 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) [2022-11-16 11:28:31,689 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 261.0) internal successors, (1827), 7 states have internal predecessors, (1827), 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) [2022-11-16 11:28:31,690 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 261.0) internal successors, (1827), 7 states have internal predecessors, (1827), 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) [2022-11-16 11:28:31,690 INFO L175 Difference]: Start difference. First operand has 199 places, 193 transitions, 402 flow. Second operand 6 states and 1213 transitions. [2022-11-16 11:28:31,691 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 203 places, 200 transitions, 500 flow [2022-11-16 11:28:31,692 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 199 places, 200 transitions, 493 flow, removed 0 selfloop flow, removed 4 redundant places. [2022-11-16 11:28:31,695 INFO L231 Difference]: Finished difference. Result has 199 places, 192 transitions, 401 flow [2022-11-16 11:28:31,696 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=261, PETRI_DIFFERENCE_MINUEND_FLOW=393, PETRI_DIFFERENCE_MINUEND_PLACES=194, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=192, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=188, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=401, PETRI_PLACES=199, PETRI_TRANSITIONS=192} [2022-11-16 11:28:31,699 INFO L288 CegarLoopForPetriNet]: 232 programPoint places, -33 predicate places. [2022-11-16 11:28:31,699 INFO L495 AbstractCegarLoop]: Abstraction has has 199 places, 192 transitions, 401 flow [2022-11-16 11:28:31,700 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 198.0) internal successors, (1188), 6 states have internal predecessors, (1188), 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) [2022-11-16 11:28:31,700 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 11:28:31,700 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:28:31,700 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-16 11:28:31,700 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 59 more)] === [2022-11-16 11:28:31,701 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:28:31,701 INFO L85 PathProgramCache]: Analyzing trace with hash -1546092187, now seen corresponding path program 1 times [2022-11-16 11:28:31,701 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:28:31,701 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [508370058] [2022-11-16 11:28:31,702 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:28:31,702 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:28:31,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:28:32,299 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 11:28:32,300 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:28:32,304 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [508370058] [2022-11-16 11:28:32,304 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [508370058] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:28:32,304 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:28:32,304 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-16 11:28:32,305 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2071334854] [2022-11-16 11:28:32,305 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:28:32,305 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-16 11:28:32,306 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:28:32,307 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-16 11:28:32,307 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-16 11:28:32,309 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 195 out of 261 [2022-11-16 11:28:32,311 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 199 places, 192 transitions, 401 flow. Second operand has 6 states, 6 states have (on average 199.0) internal successors, (1194), 6 states have internal predecessors, (1194), 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) [2022-11-16 11:28:32,311 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 11:28:32,311 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 195 of 261 [2022-11-16 11:28:32,312 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 11:28:32,546 INFO L130 PetriNetUnfolder]: 145/478 cut-off events. [2022-11-16 11:28:32,546 INFO L131 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2022-11-16 11:28:32,548 INFO L83 FinitePrefix]: Finished finitePrefix Result has 755 conditions, 478 events. 145/478 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 27. Compared 1841 event pairs, 100 based on Foata normal form. 0/447 useless extension candidates. Maximal degree in co-relation 713. Up to 226 conditions per place. [2022-11-16 11:28:32,551 INFO L137 encePairwiseOnDemand]: 256/261 looper letters, 33 selfloop transitions, 4 changer transitions 0/195 dead transitions. [2022-11-16 11:28:32,551 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 203 places, 195 transitions, 481 flow [2022-11-16 11:28:32,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-16 11:28:32,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-11-16 11:28:32,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1208 transitions. [2022-11-16 11:28:32,555 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.7713920817369093 [2022-11-16 11:28:32,555 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1208 transitions. [2022-11-16 11:28:32,556 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1208 transitions. [2022-11-16 11:28:32,556 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 11:28:32,557 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1208 transitions. [2022-11-16 11:28:32,559 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 201.33333333333334) internal successors, (1208), 6 states have internal predecessors, (1208), 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) [2022-11-16 11:28:32,562 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 261.0) internal successors, (1827), 7 states have internal predecessors, (1827), 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) [2022-11-16 11:28:32,563 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 261.0) internal successors, (1827), 7 states have internal predecessors, (1827), 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) [2022-11-16 11:28:32,563 INFO L175 Difference]: Start difference. First operand has 199 places, 192 transitions, 401 flow. Second operand 6 states and 1208 transitions. [2022-11-16 11:28:32,563 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 203 places, 195 transitions, 481 flow [2022-11-16 11:28:32,565 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 199 places, 195 transitions, 474 flow, removed 0 selfloop flow, removed 4 redundant places. [2022-11-16 11:28:32,572 INFO L231 Difference]: Finished difference. Result has 199 places, 191 transitions, 400 flow [2022-11-16 11:28:32,573 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=261, PETRI_DIFFERENCE_MINUEND_FLOW=392, PETRI_DIFFERENCE_MINUEND_PLACES=194, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=191, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=187, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=400, PETRI_PLACES=199, PETRI_TRANSITIONS=191} [2022-11-16 11:28:32,574 INFO L288 CegarLoopForPetriNet]: 232 programPoint places, -33 predicate places. [2022-11-16 11:28:32,574 INFO L495 AbstractCegarLoop]: Abstraction has has 199 places, 191 transitions, 400 flow [2022-11-16 11:28:32,575 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 199.0) internal successors, (1194), 6 states have internal predecessors, (1194), 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) [2022-11-16 11:28:32,575 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 11:28:32,575 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:28:32,576 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-11-16 11:28:32,576 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 59 more)] === [2022-11-16 11:28:32,576 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:28:32,576 INFO L85 PathProgramCache]: Analyzing trace with hash 147129472, now seen corresponding path program 1 times [2022-11-16 11:28:32,577 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:28:32,577 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [970725324] [2022-11-16 11:28:32,577 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:28:32,577 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:28:32,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:28:32,656 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 11:28:32,656 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:28:32,656 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [970725324] [2022-11-16 11:28:32,661 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [970725324] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:28:32,661 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:28:32,662 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-16 11:28:32,662 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1701896214] [2022-11-16 11:28:32,662 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:28:32,663 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 11:28:32,664 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:28:32,665 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 11:28:32,666 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 11:28:32,667 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 222 out of 261 [2022-11-16 11:28:32,669 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 199 places, 191 transitions, 400 flow. Second operand has 3 states, 3 states have (on average 224.66666666666666) internal successors, (674), 3 states have internal predecessors, (674), 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) [2022-11-16 11:28:32,669 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 11:28:32,669 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 222 of 261 [2022-11-16 11:28:32,669 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 11:28:32,753 INFO L130 PetriNetUnfolder]: 42/347 cut-off events. [2022-11-16 11:28:32,753 INFO L131 PetriNetUnfolder]: For 14/17 co-relation queries the response was YES. [2022-11-16 11:28:32,754 INFO L83 FinitePrefix]: Finished finitePrefix Result has 425 conditions, 347 events. 42/347 cut-off events. For 14/17 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 891 event pairs, 15 based on Foata normal form. 0/314 useless extension candidates. Maximal degree in co-relation 392. Up to 59 conditions per place. [2022-11-16 11:28:32,756 INFO L137 encePairwiseOnDemand]: 259/261 looper letters, 10 selfloop transitions, 1 changer transitions 0/190 dead transitions. [2022-11-16 11:28:32,756 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 200 places, 190 transitions, 420 flow [2022-11-16 11:28:32,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 11:28:32,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-16 11:28:32,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 678 transitions. [2022-11-16 11:28:32,758 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8659003831417624 [2022-11-16 11:28:32,759 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 678 transitions. [2022-11-16 11:28:32,759 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 678 transitions. [2022-11-16 11:28:32,759 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 11:28:32,759 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 678 transitions. [2022-11-16 11:28:32,761 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 226.0) internal successors, (678), 3 states have internal predecessors, (678), 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) [2022-11-16 11:28:32,763 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 261.0) internal successors, (1044), 4 states have internal predecessors, (1044), 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) [2022-11-16 11:28:32,763 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 261.0) internal successors, (1044), 4 states have internal predecessors, (1044), 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) [2022-11-16 11:28:32,764 INFO L175 Difference]: Start difference. First operand has 199 places, 191 transitions, 400 flow. Second operand 3 states and 678 transitions. [2022-11-16 11:28:32,764 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 200 places, 190 transitions, 420 flow [2022-11-16 11:28:32,766 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 196 places, 190 transitions, 413 flow, removed 0 selfloop flow, removed 4 redundant places. [2022-11-16 11:28:32,770 INFO L231 Difference]: Finished difference. Result has 196 places, 190 transitions, 393 flow [2022-11-16 11:28:32,771 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=261, PETRI_DIFFERENCE_MINUEND_FLOW=391, PETRI_DIFFERENCE_MINUEND_PLACES=194, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=190, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=189, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=393, PETRI_PLACES=196, PETRI_TRANSITIONS=190} [2022-11-16 11:28:32,772 INFO L288 CegarLoopForPetriNet]: 232 programPoint places, -36 predicate places. [2022-11-16 11:28:32,772 INFO L495 AbstractCegarLoop]: Abstraction has has 196 places, 190 transitions, 393 flow [2022-11-16 11:28:32,772 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 224.66666666666666) internal successors, (674), 3 states have internal predecessors, (674), 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) [2022-11-16 11:28:32,773 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 11:28:32,773 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:28:32,773 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-11-16 11:28:32,773 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 59 more)] === [2022-11-16 11:28:32,774 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:28:32,774 INFO L85 PathProgramCache]: Analyzing trace with hash 1668686698, now seen corresponding path program 1 times [2022-11-16 11:28:32,774 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:28:32,776 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1538549721] [2022-11-16 11:28:32,777 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:28:32,777 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:28:32,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:28:32,862 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 11:28:32,863 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:28:32,863 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1538549721] [2022-11-16 11:28:32,863 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1538549721] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:28:32,863 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:28:32,864 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-16 11:28:32,864 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1672121980] [2022-11-16 11:28:32,864 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:28:32,864 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 11:28:32,865 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:28:32,865 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 11:28:32,865 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 11:28:32,866 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 219 out of 261 [2022-11-16 11:28:32,867 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 196 places, 190 transitions, 393 flow. Second operand has 3 states, 3 states have (on average 221.66666666666666) internal successors, (665), 3 states have internal predecessors, (665), 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) [2022-11-16 11:28:32,867 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 11:28:32,867 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 219 of 261 [2022-11-16 11:28:32,867 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 11:28:32,947 INFO L130 PetriNetUnfolder]: 42/345 cut-off events. [2022-11-16 11:28:32,947 INFO L131 PetriNetUnfolder]: For 14/17 co-relation queries the response was YES. [2022-11-16 11:28:32,949 INFO L83 FinitePrefix]: Finished finitePrefix Result has 422 conditions, 345 events. 42/345 cut-off events. For 14/17 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 889 event pairs, 15 based on Foata normal form. 1/314 useless extension candidates. Maximal degree in co-relation 403. Up to 59 conditions per place. [2022-11-16 11:28:32,950 INFO L137 encePairwiseOnDemand]: 258/261 looper letters, 10 selfloop transitions, 1 changer transitions 2/188 dead transitions. [2022-11-16 11:28:32,951 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 196 places, 188 transitions, 413 flow [2022-11-16 11:28:32,951 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 11:28:32,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-16 11:28:32,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 671 transitions. [2022-11-16 11:28:32,953 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8569604086845466 [2022-11-16 11:28:32,953 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 671 transitions. [2022-11-16 11:28:32,953 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 671 transitions. [2022-11-16 11:28:32,954 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 11:28:32,954 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 671 transitions. [2022-11-16 11:28:32,956 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 223.66666666666666) internal successors, (671), 3 states have internal predecessors, (671), 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) [2022-11-16 11:28:32,957 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 261.0) internal successors, (1044), 4 states have internal predecessors, (1044), 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) [2022-11-16 11:28:32,958 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 261.0) internal successors, (1044), 4 states have internal predecessors, (1044), 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) [2022-11-16 11:28:32,958 INFO L175 Difference]: Start difference. First operand has 196 places, 190 transitions, 393 flow. Second operand 3 states and 671 transitions. [2022-11-16 11:28:32,958 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 196 places, 188 transitions, 413 flow [2022-11-16 11:28:32,960 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 195 places, 188 transitions, 412 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-11-16 11:28:32,962 INFO L231 Difference]: Finished difference. Result has 195 places, 186 transitions, 386 flow [2022-11-16 11:28:32,962 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=261, PETRI_DIFFERENCE_MINUEND_FLOW=388, PETRI_DIFFERENCE_MINUEND_PLACES=193, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=188, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=187, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=386, PETRI_PLACES=195, PETRI_TRANSITIONS=186} [2022-11-16 11:28:32,963 INFO L288 CegarLoopForPetriNet]: 232 programPoint places, -37 predicate places. [2022-11-16 11:28:32,963 INFO L495 AbstractCegarLoop]: Abstraction has has 195 places, 186 transitions, 386 flow [2022-11-16 11:28:32,963 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 221.66666666666666) internal successors, (665), 3 states have internal predecessors, (665), 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) [2022-11-16 11:28:32,964 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 11:28:32,964 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:28:32,964 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-11-16 11:28:32,964 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 59 more)] === [2022-11-16 11:28:32,965 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:28:32,965 INFO L85 PathProgramCache]: Analyzing trace with hash 1585136725, now seen corresponding path program 1 times [2022-11-16 11:28:32,965 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:28:32,965 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1464769933] [2022-11-16 11:28:32,965 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:28:32,966 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:28:32,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:28:33,032 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 11:28:33,032 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:28:33,033 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1464769933] [2022-11-16 11:28:33,033 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1464769933] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:28:33,033 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:28:33,033 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-16 11:28:33,033 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [662287497] [2022-11-16 11:28:33,033 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:28:33,034 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 11:28:33,034 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:28:33,035 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 11:28:33,035 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 11:28:33,036 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 219 out of 261 [2022-11-16 11:28:33,036 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 195 places, 186 transitions, 386 flow. Second operand has 3 states, 3 states have (on average 221.66666666666666) internal successors, (665), 3 states have internal predecessors, (665), 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) [2022-11-16 11:28:33,037 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 11:28:33,037 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 219 of 261 [2022-11-16 11:28:33,037 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 11:28:33,113 INFO L130 PetriNetUnfolder]: 42/341 cut-off events. [2022-11-16 11:28:33,113 INFO L131 PetriNetUnfolder]: For 14/17 co-relation queries the response was YES. [2022-11-16 11:28:33,115 INFO L83 FinitePrefix]: Finished finitePrefix Result has 419 conditions, 341 events. 42/341 cut-off events. For 14/17 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 882 event pairs, 15 based on Foata normal form. 1/312 useless extension candidates. Maximal degree in co-relation 406. Up to 59 conditions per place. [2022-11-16 11:28:33,115 INFO L137 encePairwiseOnDemand]: 258/261 looper letters, 0 selfloop transitions, 0 changer transitions 184/184 dead transitions. [2022-11-16 11:28:33,115 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 193 places, 184 transitions, 406 flow [2022-11-16 11:28:33,116 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 11:28:33,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-16 11:28:33,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 671 transitions. [2022-11-16 11:28:33,118 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8569604086845466 [2022-11-16 11:28:33,118 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 671 transitions. [2022-11-16 11:28:33,118 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 671 transitions. [2022-11-16 11:28:33,119 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 11:28:33,119 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 671 transitions. [2022-11-16 11:28:33,120 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 223.66666666666666) internal successors, (671), 3 states have internal predecessors, (671), 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) [2022-11-16 11:28:33,122 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 261.0) internal successors, (1044), 4 states have internal predecessors, (1044), 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) [2022-11-16 11:28:33,123 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 261.0) internal successors, (1044), 4 states have internal predecessors, (1044), 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) [2022-11-16 11:28:33,123 INFO L175 Difference]: Start difference. First operand has 195 places, 186 transitions, 386 flow. Second operand 3 states and 671 transitions. [2022-11-16 11:28:33,123 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 193 places, 184 transitions, 406 flow [2022-11-16 11:28:33,124 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 192 places, 184 transitions, 405 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-11-16 11:28:33,126 INFO L231 Difference]: Finished difference. Result has 192 places, 0 transitions, 0 flow [2022-11-16 11:28:33,126 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=261, PETRI_DIFFERENCE_MINUEND_FLOW=381, PETRI_DIFFERENCE_MINUEND_PLACES=190, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=184, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=184, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=192, PETRI_TRANSITIONS=0} [2022-11-16 11:28:33,127 INFO L288 CegarLoopForPetriNet]: 232 programPoint places, -40 predicate places. [2022-11-16 11:28:33,127 INFO L495 AbstractCegarLoop]: Abstraction has has 192 places, 0 transitions, 0 flow [2022-11-16 11:28:33,127 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 221.66666666666666) internal successors, (665), 3 states have internal predecessors, (665), 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) [2022-11-16 11:28:33,130 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (62 of 63 remaining) [2022-11-16 11:28:33,131 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (61 of 63 remaining) [2022-11-16 11:28:33,131 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (60 of 63 remaining) [2022-11-16 11:28:33,131 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (59 of 63 remaining) [2022-11-16 11:28:33,131 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (58 of 63 remaining) [2022-11-16 11:28:33,132 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (57 of 63 remaining) [2022-11-16 11:28:33,132 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (56 of 63 remaining) [2022-11-16 11:28:33,132 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (55 of 63 remaining) [2022-11-16 11:28:33,132 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (54 of 63 remaining) [2022-11-16 11:28:33,132 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (53 of 63 remaining) [2022-11-16 11:28:33,133 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (52 of 63 remaining) [2022-11-16 11:28:33,133 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (51 of 63 remaining) [2022-11-16 11:28:33,133 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (50 of 63 remaining) [2022-11-16 11:28:33,133 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (49 of 63 remaining) [2022-11-16 11:28:33,133 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (48 of 63 remaining) [2022-11-16 11:28:33,134 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (47 of 63 remaining) [2022-11-16 11:28:33,134 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (46 of 63 remaining) [2022-11-16 11:28:33,134 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (45 of 63 remaining) [2022-11-16 11:28:33,134 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err4ASSERT_VIOLATIONDATA_RACE (44 of 63 remaining) [2022-11-16 11:28:33,135 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err5ASSERT_VIOLATIONDATA_RACE (43 of 63 remaining) [2022-11-16 11:28:33,135 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err6ASSERT_VIOLATIONDATA_RACE (42 of 63 remaining) [2022-11-16 11:28:33,135 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err7ASSERT_VIOLATIONDATA_RACE (41 of 63 remaining) [2022-11-16 11:28:33,135 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (40 of 63 remaining) [2022-11-16 11:28:33,135 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (39 of 63 remaining) [2022-11-16 11:28:33,136 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (38 of 63 remaining) [2022-11-16 11:28:33,136 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (37 of 63 remaining) [2022-11-16 11:28:33,136 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (36 of 63 remaining) [2022-11-16 11:28:33,136 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (35 of 63 remaining) [2022-11-16 11:28:33,136 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (34 of 63 remaining) [2022-11-16 11:28:33,137 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (33 of 63 remaining) [2022-11-16 11:28:33,137 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (32 of 63 remaining) [2022-11-16 11:28:33,137 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (31 of 63 remaining) [2022-11-16 11:28:33,137 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (30 of 63 remaining) [2022-11-16 11:28:33,137 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (29 of 63 remaining) [2022-11-16 11:28:33,138 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE (28 of 63 remaining) [2022-11-16 11:28:33,138 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE (27 of 63 remaining) [2022-11-16 11:28:33,138 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE (26 of 63 remaining) [2022-11-16 11:28:33,138 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr15ASSERT_VIOLATIONDATA_RACE (25 of 63 remaining) [2022-11-16 11:28:33,139 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (24 of 63 remaining) [2022-11-16 11:28:33,139 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (23 of 63 remaining) [2022-11-16 11:28:33,139 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (22 of 63 remaining) [2022-11-16 11:28:33,139 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (21 of 63 remaining) [2022-11-16 11:28:33,139 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (20 of 63 remaining) [2022-11-16 11:28:33,140 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (19 of 63 remaining) [2022-11-16 11:28:33,140 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (18 of 63 remaining) [2022-11-16 11:28:33,140 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (17 of 63 remaining) [2022-11-16 11:28:33,140 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (16 of 63 remaining) [2022-11-16 11:28:33,140 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (15 of 63 remaining) [2022-11-16 11:28:33,141 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (14 of 63 remaining) [2022-11-16 11:28:33,141 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (13 of 63 remaining) [2022-11-16 11:28:33,141 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (12 of 63 remaining) [2022-11-16 11:28:33,141 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (11 of 63 remaining) [2022-11-16 11:28:33,141 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (10 of 63 remaining) [2022-11-16 11:28:33,142 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (9 of 63 remaining) [2022-11-16 11:28:33,142 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (8 of 63 remaining) [2022-11-16 11:28:33,142 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (7 of 63 remaining) [2022-11-16 11:28:33,142 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (6 of 63 remaining) [2022-11-16 11:28:33,142 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (5 of 63 remaining) [2022-11-16 11:28:33,143 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (4 of 63 remaining) [2022-11-16 11:28:33,143 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err4ASSERT_VIOLATIONDATA_RACE (3 of 63 remaining) [2022-11-16 11:28:33,143 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err5ASSERT_VIOLATIONDATA_RACE (2 of 63 remaining) [2022-11-16 11:28:33,143 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err6ASSERT_VIOLATIONDATA_RACE (1 of 63 remaining) [2022-11-16 11:28:33,144 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err7ASSERT_VIOLATIONDATA_RACE (0 of 63 remaining) [2022-11-16 11:28:33,144 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-11-16 11:28:33,144 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:28:33,150 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-11-16 11:28:33,150 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-16 11:28:33,155 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.11 11:28:33 BasicIcfg [2022-11-16 11:28:33,155 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-16 11:28:33,156 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-16 11:28:33,156 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-16 11:28:33,156 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-16 11:28:33,157 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 11:28:26" (3/4) ... [2022-11-16 11:28:33,159 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-16 11:28:33,164 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2022-11-16 11:28:33,164 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2022-11-16 11:28:33,165 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread3 [2022-11-16 11:28:33,170 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 24 nodes and edges [2022-11-16 11:28:33,170 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-11-16 11:28:33,171 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-11-16 11:28:33,171 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-16 11:28:33,211 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a4cf9b5-10ea-4c5e-8aa8-1477c001873f/bin/uautomizer-tPACEb0tL8/witness.graphml [2022-11-16 11:28:33,211 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-16 11:28:33,212 INFO L158 Benchmark]: Toolchain (without parser) took 8342.43ms. Allocated memory was 121.6MB in the beginning and 239.1MB in the end (delta: 117.4MB). Free memory was 80.7MB in the beginning and 119.0MB in the end (delta: -38.3MB). Peak memory consumption was 77.4MB. Max. memory is 16.1GB. [2022-11-16 11:28:33,212 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 121.6MB. Free memory is still 97.9MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-16 11:28:33,212 INFO L158 Benchmark]: CACSL2BoogieTranslator took 324.92ms. Allocated memory is still 121.6MB. Free memory was 80.5MB in the beginning and 93.9MB in the end (delta: -13.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-16 11:28:33,213 INFO L158 Benchmark]: Boogie Procedure Inliner took 47.84ms. Allocated memory is still 121.6MB. Free memory was 93.8MB in the beginning and 91.6MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-16 11:28:33,213 INFO L158 Benchmark]: Boogie Preprocessor took 43.94ms. Allocated memory is still 121.6MB. Free memory was 91.5MB in the beginning and 89.1MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-16 11:28:33,213 INFO L158 Benchmark]: RCFGBuilder took 1317.78ms. Allocated memory is still 121.6MB. Free memory was 89.0MB in the beginning and 87.6MB in the end (delta: 1.4MB). Peak memory consumption was 50.6MB. Max. memory is 16.1GB. [2022-11-16 11:28:33,214 INFO L158 Benchmark]: TraceAbstraction took 6545.45ms. Allocated memory was 121.6MB in the beginning and 239.1MB in the end (delta: 117.4MB). Free memory was 86.7MB in the beginning and 123.2MB in the end (delta: -36.5MB). Peak memory consumption was 83.9MB. Max. memory is 16.1GB. [2022-11-16 11:28:33,214 INFO L158 Benchmark]: Witness Printer took 55.33ms. Allocated memory is still 239.1MB. Free memory was 123.2MB in the beginning and 119.0MB in the end (delta: 4.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-16 11:28:33,215 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 121.6MB. Free memory is still 97.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 324.92ms. Allocated memory is still 121.6MB. Free memory was 80.5MB in the beginning and 93.9MB in the end (delta: -13.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 47.84ms. Allocated memory is still 121.6MB. Free memory was 93.8MB in the beginning and 91.6MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 43.94ms. Allocated memory is still 121.6MB. Free memory was 91.5MB in the beginning and 89.1MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1317.78ms. Allocated memory is still 121.6MB. Free memory was 89.0MB in the beginning and 87.6MB in the end (delta: 1.4MB). Peak memory consumption was 50.6MB. Max. memory is 16.1GB. * TraceAbstraction took 6545.45ms. Allocated memory was 121.6MB in the beginning and 239.1MB in the end (delta: 117.4MB). Free memory was 86.7MB in the beginning and 123.2MB in the end (delta: -36.5MB). Peak memory consumption was 83.9MB. Max. memory is 16.1GB. * Witness Printer took 55.33ms. Allocated memory is still 239.1MB. Free memory was 123.2MB in the beginning and 119.0MB in the end (delta: 4.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 46]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 48]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 48]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 48]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 49]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 49]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 49]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 58]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 60]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 60]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 60]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 61]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 61]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 61]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 70]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 70]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 72]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 72]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 72]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 73]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 73]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 73]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 85]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 86]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 87]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 87]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 111]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 89]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 89]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 89]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 95]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 96]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 97]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 99]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 99]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 99]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 99]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 99]: there are no data races For all program executions holds that there are no data races at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 7 procedures, 308 locations, 63 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: 6.3s, OverallIterations: 12, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 2.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.2s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 81 SdHoareTripleChecker+Valid, 1.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 81 mSDsluCounter, 128 SdHoareTripleChecker+Invalid, 0.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 102 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 428 IncrementalHoareTripleChecker+Invalid, 530 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 102 mSolverCounterUnsat, 128 mSDtfsCounter, 428 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 36 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=486occurred in iteration=0, InterpolantAutomatonStates: 48, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 2.6s InterpolantComputationTime, 1085 NumberOfCodeBlocks, 1085 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 1073 ConstructedInterpolants, 0 QuantifiedInterpolants, 1447 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 12 InterpolantComputations, 12 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 38 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-11-16 11:28:33,241 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a4cf9b5-10ea-4c5e-8aa8-1477c001873f/bin/uautomizer-tPACEb0tL8/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