./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/weaver/popl20-prod-cons.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_f35bb0ed-5158-4c6d-9de1-2b08ba4524b1/bin/uautomizer-tPACEb0tL8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f35bb0ed-5158-4c6d-9de1-2b08ba4524b1/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_f35bb0ed-5158-4c6d-9de1-2b08ba4524b1/bin/uautomizer-tPACEb0tL8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f35bb0ed-5158-4c6d-9de1-2b08ba4524b1/bin/uautomizer-tPACEb0tL8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/weaver/popl20-prod-cons.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f35bb0ed-5158-4c6d-9de1-2b08ba4524b1/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_f35bb0ed-5158-4c6d-9de1-2b08ba4524b1/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 f9b434f3343269d91303305376bff127738dc22172486554888e346753333fd7 --- 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 12:43:23,450 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-16 12:43:23,456 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-16 12:43:23,488 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-16 12:43:23,489 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-16 12:43:23,495 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-16 12:43:23,498 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-16 12:43:23,503 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-16 12:43:23,506 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-16 12:43:23,515 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-16 12:43:23,516 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-16 12:43:23,518 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-16 12:43:23,520 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-16 12:43:23,523 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-16 12:43:23,524 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-16 12:43:23,527 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-16 12:43:23,528 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-16 12:43:23,529 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-16 12:43:23,531 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-16 12:43:23,539 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-16 12:43:23,545 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-16 12:43:23,547 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-16 12:43:23,548 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-16 12:43:23,551 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-16 12:43:23,557 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-16 12:43:23,557 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-16 12:43:23,558 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-16 12:43:23,560 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-16 12:43:23,561 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-16 12:43:23,562 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-16 12:43:23,563 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-16 12:43:23,564 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-16 12:43:23,567 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-16 12:43:23,569 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-16 12:43:23,570 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-16 12:43:23,571 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-16 12:43:23,571 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-16 12:43:23,572 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-16 12:43:23,572 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-16 12:43:23,573 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-16 12:43:23,574 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-16 12:43:23,575 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f35bb0ed-5158-4c6d-9de1-2b08ba4524b1/bin/uautomizer-tPACEb0tL8/config/svcomp-DataRace-32bit-Automizer_Default.epf [2022-11-16 12:43:23,625 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-16 12:43:23,625 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-16 12:43:23,627 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-16 12:43:23,627 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-16 12:43:23,628 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-16 12:43:23,628 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-16 12:43:23,629 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-16 12:43:23,629 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-16 12:43:23,629 INFO L138 SettingsManager]: * Use SBE=true [2022-11-16 12:43:23,630 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-16 12:43:23,631 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-16 12:43:23,631 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-16 12:43:23,631 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-16 12:43:23,631 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-16 12:43:23,632 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-16 12:43:23,632 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-16 12:43:23,632 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-16 12:43:23,632 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-16 12:43:23,633 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-11-16 12:43:23,633 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-16 12:43:23,633 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-16 12:43:23,633 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-16 12:43:23,633 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-16 12:43:23,634 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-16 12:43:23,634 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-16 12:43:23,634 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-16 12:43:23,636 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 12:43:23,636 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-16 12:43:23,636 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-16 12:43:23,637 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-16 12:43:23,637 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-16 12:43:23,637 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-16 12:43:23,638 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-16 12:43:23,638 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-16 12:43:23,638 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-16 12:43:23,638 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_f35bb0ed-5158-4c6d-9de1-2b08ba4524b1/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f35bb0ed-5158-4c6d-9de1-2b08ba4524b1/bin/uautomizer-tPACEb0tL8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f9b434f3343269d91303305376bff127738dc22172486554888e346753333fd7 [2022-11-16 12:43:24,005 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-16 12:43:24,053 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-16 12:43:24,057 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-16 12:43:24,059 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-16 12:43:24,059 INFO L275 PluginConnector]: CDTParser initialized [2022-11-16 12:43:24,061 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f35bb0ed-5158-4c6d-9de1-2b08ba4524b1/bin/uautomizer-tPACEb0tL8/../../sv-benchmarks/c/weaver/popl20-prod-cons.wvr.c [2022-11-16 12:43:24,146 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f35bb0ed-5158-4c6d-9de1-2b08ba4524b1/bin/uautomizer-tPACEb0tL8/data/8eef37b4c/28afb995c5c448f499e313a439e79007/FLAG354b33973 [2022-11-16 12:43:24,826 INFO L306 CDTParser]: Found 1 translation units. [2022-11-16 12:43:24,827 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f35bb0ed-5158-4c6d-9de1-2b08ba4524b1/sv-benchmarks/c/weaver/popl20-prod-cons.wvr.c [2022-11-16 12:43:24,840 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f35bb0ed-5158-4c6d-9de1-2b08ba4524b1/bin/uautomizer-tPACEb0tL8/data/8eef37b4c/28afb995c5c448f499e313a439e79007/FLAG354b33973 [2022-11-16 12:43:24,861 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f35bb0ed-5158-4c6d-9de1-2b08ba4524b1/bin/uautomizer-tPACEb0tL8/data/8eef37b4c/28afb995c5c448f499e313a439e79007 [2022-11-16 12:43:24,864 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-16 12:43:24,867 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-16 12:43:24,869 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-16 12:43:24,870 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-16 12:43:24,874 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-16 12:43:24,875 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 12:43:24" (1/1) ... [2022-11-16 12:43:24,878 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7903ae22 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:43:24, skipping insertion in model container [2022-11-16 12:43:24,879 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 12:43:24" (1/1) ... [2022-11-16 12:43:24,889 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-16 12:43:24,925 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-16 12:43:25,272 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_f35bb0ed-5158-4c6d-9de1-2b08ba4524b1/sv-benchmarks/c/weaver/popl20-prod-cons.wvr.c[3056,3069] [2022-11-16 12:43:25,290 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 12:43:25,315 INFO L203 MainTranslator]: Completed pre-run [2022-11-16 12:43:25,374 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_f35bb0ed-5158-4c6d-9de1-2b08ba4524b1/sv-benchmarks/c/weaver/popl20-prod-cons.wvr.c[3056,3069] [2022-11-16 12:43:25,378 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 12:43:25,396 INFO L208 MainTranslator]: Completed translation [2022-11-16 12:43:25,397 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:43:25 WrapperNode [2022-11-16 12:43:25,397 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-16 12:43:25,398 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-16 12:43:25,398 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-16 12:43:25,398 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-16 12:43:25,407 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:43:25" (1/1) ... [2022-11-16 12:43:25,431 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:43:25" (1/1) ... [2022-11-16 12:43:25,484 INFO L138 Inliner]: procedures = 25, calls = 50, calls flagged for inlining = 10, calls inlined = 10, statements flattened = 292 [2022-11-16 12:43:25,485 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-16 12:43:25,486 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-16 12:43:25,486 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-16 12:43:25,486 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-16 12:43:25,498 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:43:25" (1/1) ... [2022-11-16 12:43:25,499 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:43:25" (1/1) ... [2022-11-16 12:43:25,516 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:43:25" (1/1) ... [2022-11-16 12:43:25,516 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:43:25" (1/1) ... [2022-11-16 12:43:25,543 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:43:25" (1/1) ... [2022-11-16 12:43:25,548 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:43:25" (1/1) ... [2022-11-16 12:43:25,550 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:43:25" (1/1) ... [2022-11-16 12:43:25,552 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:43:25" (1/1) ... [2022-11-16 12:43:25,555 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-16 12:43:25,556 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-16 12:43:25,557 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-16 12:43:25,557 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-16 12:43:25,558 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:43:25" (1/1) ... [2022-11-16 12:43:25,580 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 12:43:25,593 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f35bb0ed-5158-4c6d-9de1-2b08ba4524b1/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:43:25,615 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f35bb0ed-5158-4c6d-9de1-2b08ba4524b1/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-16 12:43:25,624 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f35bb0ed-5158-4c6d-9de1-2b08ba4524b1/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-16 12:43:25,661 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-16 12:43:25,662 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-16 12:43:25,662 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-16 12:43:25,662 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-16 12:43:25,662 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-11-16 12:43:25,662 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-11-16 12:43:25,663 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-11-16 12:43:25,663 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-11-16 12:43:25,663 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-11-16 12:43:25,663 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-11-16 12:43:25,663 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-16 12:43:25,663 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-11-16 12:43:25,664 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-11-16 12:43:25,664 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-16 12:43:25,664 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-16 12:43:25,664 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-16 12:43:25,664 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-16 12:43:25,666 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 12:43:25,826 INFO L235 CfgBuilder]: Building ICFG [2022-11-16 12:43:25,828 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-16 12:43:26,501 INFO L276 CfgBuilder]: Performing block encoding [2022-11-16 12:43:26,814 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-16 12:43:26,814 INFO L300 CfgBuilder]: Removed 3 assume(true) statements. [2022-11-16 12:43:26,817 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 12:43:26 BoogieIcfgContainer [2022-11-16 12:43:26,817 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-16 12:43:26,820 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-16 12:43:26,820 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-16 12:43:26,826 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-16 12:43:26,826 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 12:43:24" (1/3) ... [2022-11-16 12:43:26,827 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2d030380 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 12:43:26, skipping insertion in model container [2022-11-16 12:43:26,827 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:43:25" (2/3) ... [2022-11-16 12:43:26,828 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2d030380 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 12:43:26, skipping insertion in model container [2022-11-16 12:43:26,828 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 12:43:26" (3/3) ... [2022-11-16 12:43:26,829 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-prod-cons.wvr.c [2022-11-16 12:43:26,840 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-11-16 12:43:26,852 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-16 12:43:26,852 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 41 error locations. [2022-11-16 12:43:26,852 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-16 12:43:27,026 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2022-11-16 12:43:27,094 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 251 places, 252 transitions, 528 flow [2022-11-16 12:43:27,267 INFO L130 PetriNetUnfolder]: 11/249 cut-off events. [2022-11-16 12:43:27,267 INFO L131 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2022-11-16 12:43:27,276 INFO L83 FinitePrefix]: Finished finitePrefix Result has 262 conditions, 249 events. 11/249 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 261 event pairs, 0 based on Foata normal form. 0/197 useless extension candidates. Maximal degree in co-relation 195. Up to 3 conditions per place. [2022-11-16 12:43:27,276 INFO L82 GeneralOperation]: Start removeDead. Operand has 251 places, 252 transitions, 528 flow [2022-11-16 12:43:27,289 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 229 places, 229 transitions, 476 flow [2022-11-16 12:43:27,308 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-16 12:43:27,321 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;@7c0fcc7a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-16 12:43:27,321 INFO L358 AbstractCegarLoop]: Starting to check reachability of 71 error locations. [2022-11-16 12:43:27,336 INFO L130 PetriNetUnfolder]: 0/26 cut-off events. [2022-11-16 12:43:27,336 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-11-16 12:43:27,337 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 12:43:27,337 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] [2022-11-16 12:43:27,338 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 67 more)] === [2022-11-16 12:43:27,345 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:43:27,346 INFO L85 PathProgramCache]: Analyzing trace with hash -1634517498, now seen corresponding path program 1 times [2022-11-16 12:43:27,358 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:43:27,358 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [12622379] [2022-11-16 12:43:27,358 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:43:27,359 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:43:27,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:43:27,616 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 12:43:27,617 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:43:27,617 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [12622379] [2022-11-16 12:43:27,618 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [12622379] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:43:27,618 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:43:27,618 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-16 12:43:27,620 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1888301069] [2022-11-16 12:43:27,621 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:43:27,630 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 12:43:27,630 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:43:27,670 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 12:43:27,673 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 12:43:27,678 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 193 out of 252 [2022-11-16 12:43:27,688 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 229 places, 229 transitions, 476 flow. Second operand has 3 states, 3 states have (on average 194.33333333333334) internal successors, (583), 3 states have internal predecessors, (583), 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 12:43:27,688 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 12:43:27,688 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 193 of 252 [2022-11-16 12:43:27,689 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 12:43:28,038 INFO L130 PetriNetUnfolder]: 138/520 cut-off events. [2022-11-16 12:43:28,039 INFO L131 PetriNetUnfolder]: For 64/101 co-relation queries the response was YES. [2022-11-16 12:43:28,048 INFO L83 FinitePrefix]: Finished finitePrefix Result has 822 conditions, 520 events. 138/520 cut-off events. For 64/101 co-relation queries the response was YES. Maximal size of possible extension queue 35. Compared 2124 event pairs, 107 based on Foata normal form. 37/484 useless extension candidates. Maximal degree in co-relation 607. Up to 223 conditions per place. [2022-11-16 12:43:28,053 INFO L137 encePairwiseOnDemand]: 217/252 looper letters, 22 selfloop transitions, 2 changer transitions 3/196 dead transitions. [2022-11-16 12:43:28,053 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 204 places, 196 transitions, 458 flow [2022-11-16 12:43:28,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 12:43:28,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-16 12:43:28,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 636 transitions. [2022-11-16 12:43:28,078 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8412698412698413 [2022-11-16 12:43:28,078 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 636 transitions. [2022-11-16 12:43:28,079 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 636 transitions. [2022-11-16 12:43:28,084 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 12:43:28,087 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 636 transitions. [2022-11-16 12:43:28,093 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 212.0) internal successors, (636), 3 states have internal predecessors, (636), 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 12:43:28,102 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 252.0) internal successors, (1008), 4 states have internal predecessors, (1008), 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 12:43:28,102 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 252.0) internal successors, (1008), 4 states have internal predecessors, (1008), 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 12:43:28,104 INFO L175 Difference]: Start difference. First operand has 229 places, 229 transitions, 476 flow. Second operand 3 states and 636 transitions. [2022-11-16 12:43:28,106 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 204 places, 196 transitions, 458 flow [2022-11-16 12:43:28,112 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 198 places, 196 transitions, 446 flow, removed 0 selfloop flow, removed 6 redundant places. [2022-11-16 12:43:28,118 INFO L231 Difference]: Finished difference. Result has 198 places, 193 transitions, 396 flow [2022-11-16 12:43:28,120 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=252, PETRI_DIFFERENCE_MINUEND_FLOW=398, PETRI_DIFFERENCE_MINUEND_PLACES=196, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=196, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=194, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=396, PETRI_PLACES=198, PETRI_TRANSITIONS=193} [2022-11-16 12:43:28,124 INFO L288 CegarLoopForPetriNet]: 229 programPoint places, -31 predicate places. [2022-11-16 12:43:28,124 INFO L495 AbstractCegarLoop]: Abstraction has has 198 places, 193 transitions, 396 flow [2022-11-16 12:43:28,125 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 194.33333333333334) internal successors, (583), 3 states have internal predecessors, (583), 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 12:43:28,125 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 12:43:28,126 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] [2022-11-16 12:43:28,126 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-16 12:43:28,127 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 67 more)] === [2022-11-16 12:43:28,127 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:43:28,127 INFO L85 PathProgramCache]: Analyzing trace with hash 1545984239, now seen corresponding path program 1 times [2022-11-16 12:43:28,128 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:43:28,128 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1560407366] [2022-11-16 12:43:28,128 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:43:28,129 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:43:28,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:43:28,254 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 12:43:28,256 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:43:28,259 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1560407366] [2022-11-16 12:43:28,259 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1560407366] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:43:28,260 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:43:28,260 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-16 12:43:28,260 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [545304489] [2022-11-16 12:43:28,261 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:43:28,263 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 12:43:28,263 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:43:28,263 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 12:43:28,267 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 12:43:28,268 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 196 out of 252 [2022-11-16 12:43:28,270 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 198 places, 193 transitions, 396 flow. Second operand has 3 states, 3 states have (on average 197.33333333333334) internal successors, (592), 3 states have internal predecessors, (592), 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 12:43:28,270 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 12:43:28,270 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 196 of 252 [2022-11-16 12:43:28,270 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 12:43:28,430 INFO L130 PetriNetUnfolder]: 91/397 cut-off events. [2022-11-16 12:43:28,430 INFO L131 PetriNetUnfolder]: For 19/42 co-relation queries the response was YES. [2022-11-16 12:43:28,432 INFO L83 FinitePrefix]: Finished finitePrefix Result has 560 conditions, 397 events. 91/397 cut-off events. For 19/42 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 1280 event pairs, 53 based on Foata normal form. 0/349 useless extension candidates. Maximal degree in co-relation 525. Up to 141 conditions per place. [2022-11-16 12:43:28,434 INFO L137 encePairwiseOnDemand]: 249/252 looper letters, 19 selfloop transitions, 2 changer transitions 0/192 dead transitions. [2022-11-16 12:43:28,434 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 196 places, 192 transitions, 436 flow [2022-11-16 12:43:28,435 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 12:43:28,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-16 12:43:28,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 610 transitions. [2022-11-16 12:43:28,437 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8068783068783069 [2022-11-16 12:43:28,437 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 610 transitions. [2022-11-16 12:43:28,437 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 610 transitions. [2022-11-16 12:43:28,437 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 12:43:28,438 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 610 transitions. [2022-11-16 12:43:28,440 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 203.33333333333334) internal successors, (610), 3 states have internal predecessors, (610), 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 12:43:28,442 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 252.0) internal successors, (1008), 4 states have internal predecessors, (1008), 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 12:43:28,443 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 252.0) internal successors, (1008), 4 states have internal predecessors, (1008), 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 12:43:28,443 INFO L175 Difference]: Start difference. First operand has 198 places, 193 transitions, 396 flow. Second operand 3 states and 610 transitions. [2022-11-16 12:43:28,443 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 196 places, 192 transitions, 436 flow [2022-11-16 12:43:28,448 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 194 places, 192 transitions, 432 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-16 12:43:28,454 INFO L231 Difference]: Finished difference. Result has 194 places, 192 transitions, 394 flow [2022-11-16 12:43:28,455 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=252, PETRI_DIFFERENCE_MINUEND_FLOW=390, PETRI_DIFFERENCE_MINUEND_PLACES=192, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=192, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=190, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=394, PETRI_PLACES=194, PETRI_TRANSITIONS=192} [2022-11-16 12:43:28,456 INFO L288 CegarLoopForPetriNet]: 229 programPoint places, -35 predicate places. [2022-11-16 12:43:28,456 INFO L495 AbstractCegarLoop]: Abstraction has has 194 places, 192 transitions, 394 flow [2022-11-16 12:43:28,457 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 197.33333333333334) internal successors, (592), 3 states have internal predecessors, (592), 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 12:43:28,457 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 12:43:28,457 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] [2022-11-16 12:43:28,457 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-16 12:43:28,457 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 67 more)] === [2022-11-16 12:43:28,458 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:43:28,458 INFO L85 PathProgramCache]: Analyzing trace with hash -78388444, now seen corresponding path program 1 times [2022-11-16 12:43:28,458 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:43:28,459 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [616325154] [2022-11-16 12:43:28,459 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:43:28,459 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:43:28,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:43:28,540 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 12:43:28,541 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:43:28,541 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [616325154] [2022-11-16 12:43:28,541 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [616325154] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:43:28,542 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:43:28,542 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-16 12:43:28,542 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1995466764] [2022-11-16 12:43:28,542 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:43:28,543 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 12:43:28,543 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:43:28,544 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 12:43:28,544 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 12:43:28,545 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 196 out of 252 [2022-11-16 12:43:28,546 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 194 places, 192 transitions, 394 flow. Second operand has 3 states, 3 states have (on average 197.33333333333334) internal successors, (592), 3 states have internal predecessors, (592), 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 12:43:28,547 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 12:43:28,547 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 196 of 252 [2022-11-16 12:43:28,547 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 12:43:28,689 INFO L130 PetriNetUnfolder]: 91/396 cut-off events. [2022-11-16 12:43:28,690 INFO L131 PetriNetUnfolder]: For 19/42 co-relation queries the response was YES. [2022-11-16 12:43:28,691 INFO L83 FinitePrefix]: Finished finitePrefix Result has 559 conditions, 396 events. 91/396 cut-off events. For 19/42 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 1279 event pairs, 53 based on Foata normal form. 0/349 useless extension candidates. Maximal degree in co-relation 517. Up to 141 conditions per place. [2022-11-16 12:43:28,695 INFO L137 encePairwiseOnDemand]: 249/252 looper letters, 19 selfloop transitions, 2 changer transitions 0/191 dead transitions. [2022-11-16 12:43:28,695 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 195 places, 191 transitions, 434 flow [2022-11-16 12:43:28,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 12:43:28,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-16 12:43:28,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 610 transitions. [2022-11-16 12:43:28,700 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8068783068783069 [2022-11-16 12:43:28,700 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 610 transitions. [2022-11-16 12:43:28,700 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 610 transitions. [2022-11-16 12:43:28,700 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 12:43:28,701 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 610 transitions. [2022-11-16 12:43:28,702 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 203.33333333333334) internal successors, (610), 3 states have internal predecessors, (610), 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 12:43:28,704 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 252.0) internal successors, (1008), 4 states have internal predecessors, (1008), 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 12:43:28,705 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 252.0) internal successors, (1008), 4 states have internal predecessors, (1008), 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 12:43:28,705 INFO L175 Difference]: Start difference. First operand has 194 places, 192 transitions, 394 flow. Second operand 3 states and 610 transitions. [2022-11-16 12:43:28,706 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 195 places, 191 transitions, 434 flow [2022-11-16 12:43:28,708 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 193 places, 191 transitions, 430 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-16 12:43:28,711 INFO L231 Difference]: Finished difference. Result has 193 places, 191 transitions, 392 flow [2022-11-16 12:43:28,711 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=252, PETRI_DIFFERENCE_MINUEND_FLOW=388, PETRI_DIFFERENCE_MINUEND_PLACES=191, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=191, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=189, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=392, PETRI_PLACES=193, PETRI_TRANSITIONS=191} [2022-11-16 12:43:28,714 INFO L288 CegarLoopForPetriNet]: 229 programPoint places, -36 predicate places. [2022-11-16 12:43:28,714 INFO L495 AbstractCegarLoop]: Abstraction has has 193 places, 191 transitions, 392 flow [2022-11-16 12:43:28,715 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 197.33333333333334) internal successors, (592), 3 states have internal predecessors, (592), 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 12:43:28,715 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 12:43:28,715 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] [2022-11-16 12:43:28,715 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-16 12:43:28,716 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 67 more)] === [2022-11-16 12:43:28,716 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:43:28,717 INFO L85 PathProgramCache]: Analyzing trace with hash -1673662786, now seen corresponding path program 1 times [2022-11-16 12:43:28,717 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:43:28,717 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1750249088] [2022-11-16 12:43:28,717 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:43:28,718 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:43:28,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:43:28,804 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 12:43:28,804 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:43:28,804 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1750249088] [2022-11-16 12:43:28,805 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1750249088] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:43:28,805 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:43:28,805 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-16 12:43:28,805 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1331862005] [2022-11-16 12:43:28,805 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:43:28,806 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 12:43:28,806 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:43:28,807 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 12:43:28,807 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 12:43:28,808 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 199 out of 252 [2022-11-16 12:43:28,810 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 193 places, 191 transitions, 392 flow. Second operand has 3 states, 3 states have (on average 200.33333333333334) internal successors, (601), 3 states have internal predecessors, (601), 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 12:43:28,810 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 12:43:28,810 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 199 of 252 [2022-11-16 12:43:28,810 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 12:43:28,958 INFO L130 PetriNetUnfolder]: 111/468 cut-off events. [2022-11-16 12:43:28,958 INFO L131 PetriNetUnfolder]: For 27/54 co-relation queries the response was YES. [2022-11-16 12:43:28,960 INFO L83 FinitePrefix]: Finished finitePrefix Result has 665 conditions, 468 events. 111/468 cut-off events. For 27/54 co-relation queries the response was YES. Maximal size of possible extension queue 29. Compared 1708 event pairs, 23 based on Foata normal form. 1/412 useless extension candidates. Maximal degree in co-relation 615. Up to 111 conditions per place. [2022-11-16 12:43:28,962 INFO L137 encePairwiseOnDemand]: 249/252 looper letters, 23 selfloop transitions, 2 changer transitions 0/198 dead transitions. [2022-11-16 12:43:28,963 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 194 places, 198 transitions, 460 flow [2022-11-16 12:43:28,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 12:43:28,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-16 12:43:28,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 623 transitions. [2022-11-16 12:43:28,965 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8240740740740741 [2022-11-16 12:43:28,965 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 623 transitions. [2022-11-16 12:43:28,966 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 623 transitions. [2022-11-16 12:43:28,966 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 12:43:28,966 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 623 transitions. [2022-11-16 12:43:28,968 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 207.66666666666666) internal successors, (623), 3 states have internal predecessors, (623), 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 12:43:28,970 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 252.0) internal successors, (1008), 4 states have internal predecessors, (1008), 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 12:43:28,971 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 252.0) internal successors, (1008), 4 states have internal predecessors, (1008), 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 12:43:28,971 INFO L175 Difference]: Start difference. First operand has 193 places, 191 transitions, 392 flow. Second operand 3 states and 623 transitions. [2022-11-16 12:43:28,971 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 194 places, 198 transitions, 460 flow [2022-11-16 12:43:28,973 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 192 places, 198 transitions, 456 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-16 12:43:28,976 INFO L231 Difference]: Finished difference. Result has 193 places, 191 transitions, 396 flow [2022-11-16 12:43:28,977 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=252, PETRI_DIFFERENCE_MINUEND_FLOW=386, PETRI_DIFFERENCE_MINUEND_PLACES=190, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=190, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=188, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=396, PETRI_PLACES=193, PETRI_TRANSITIONS=191} [2022-11-16 12:43:28,978 INFO L288 CegarLoopForPetriNet]: 229 programPoint places, -36 predicate places. [2022-11-16 12:43:28,978 INFO L495 AbstractCegarLoop]: Abstraction has has 193 places, 191 transitions, 396 flow [2022-11-16 12:43:28,979 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 200.33333333333334) internal successors, (601), 3 states have internal predecessors, (601), 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 12:43:28,979 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 12:43:28,979 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] [2022-11-16 12:43:28,979 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-16 12:43:28,979 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 67 more)] === [2022-11-16 12:43:28,980 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:43:28,980 INFO L85 PathProgramCache]: Analyzing trace with hash 1532946537, now seen corresponding path program 1 times [2022-11-16 12:43:28,980 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:43:28,981 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [952242787] [2022-11-16 12:43:28,981 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:43:28,981 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:43:28,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:43:29,036 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 12:43:29,037 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:43:29,037 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [952242787] [2022-11-16 12:43:29,037 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [952242787] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:43:29,038 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:43:29,038 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-16 12:43:29,038 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [755909899] [2022-11-16 12:43:29,038 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:43:29,039 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 12:43:29,039 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:43:29,039 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 12:43:29,039 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 12:43:29,041 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 199 out of 252 [2022-11-16 12:43:29,042 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 193 places, 191 transitions, 396 flow. Second operand has 3 states, 3 states have (on average 200.33333333333334) internal successors, (601), 3 states have internal predecessors, (601), 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 12:43:29,042 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 12:43:29,042 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 199 of 252 [2022-11-16 12:43:29,042 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 12:43:29,229 INFO L130 PetriNetUnfolder]: 112/478 cut-off events. [2022-11-16 12:43:29,230 INFO L131 PetriNetUnfolder]: For 49/77 co-relation queries the response was YES. [2022-11-16 12:43:29,231 INFO L83 FinitePrefix]: Finished finitePrefix Result has 709 conditions, 478 events. 112/478 cut-off events. For 49/77 co-relation queries the response was YES. Maximal size of possible extension queue 29. Compared 1810 event pairs, 69 based on Foata normal form. 0/421 useless extension candidates. Maximal degree in co-relation 327. Up to 173 conditions per place. [2022-11-16 12:43:29,234 INFO L137 encePairwiseOnDemand]: 249/252 looper letters, 17 selfloop transitions, 2 changer transitions 0/190 dead transitions. [2022-11-16 12:43:29,234 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 194 places, 190 transitions, 432 flow [2022-11-16 12:43:29,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 12:43:29,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-16 12:43:29,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 616 transitions. [2022-11-16 12:43:29,237 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8148148148148148 [2022-11-16 12:43:29,237 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 616 transitions. [2022-11-16 12:43:29,238 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 616 transitions. [2022-11-16 12:43:29,238 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 12:43:29,238 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 616 transitions. [2022-11-16 12:43:29,240 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 205.33333333333334) internal successors, (616), 3 states have internal predecessors, (616), 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 12:43:29,243 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 252.0) internal successors, (1008), 4 states have internal predecessors, (1008), 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 12:43:29,244 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 252.0) internal successors, (1008), 4 states have internal predecessors, (1008), 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 12:43:29,244 INFO L175 Difference]: Start difference. First operand has 193 places, 191 transitions, 396 flow. Second operand 3 states and 616 transitions. [2022-11-16 12:43:29,244 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 194 places, 190 transitions, 432 flow [2022-11-16 12:43:29,246 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 193 places, 190 transitions, 430 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-11-16 12:43:29,249 INFO L231 Difference]: Finished difference. Result has 193 places, 190 transitions, 396 flow [2022-11-16 12:43:29,250 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=252, PETRI_DIFFERENCE_MINUEND_FLOW=392, PETRI_DIFFERENCE_MINUEND_PLACES=191, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=190, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=188, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=396, PETRI_PLACES=193, PETRI_TRANSITIONS=190} [2022-11-16 12:43:29,251 INFO L288 CegarLoopForPetriNet]: 229 programPoint places, -36 predicate places. [2022-11-16 12:43:29,251 INFO L495 AbstractCegarLoop]: Abstraction has has 193 places, 190 transitions, 396 flow [2022-11-16 12:43:29,252 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 200.33333333333334) internal successors, (601), 3 states have internal predecessors, (601), 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 12:43:29,252 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 12:43:29,252 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] [2022-11-16 12:43:29,252 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-16 12:43:29,253 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 67 more)] === [2022-11-16 12:43:29,253 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:43:29,253 INFO L85 PathProgramCache]: Analyzing trace with hash -649571479, now seen corresponding path program 1 times [2022-11-16 12:43:29,254 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:43:29,254 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1241204962] [2022-11-16 12:43:29,254 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:43:29,255 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:43:29,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:43:29,305 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 12:43:29,306 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:43:29,306 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1241204962] [2022-11-16 12:43:29,306 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1241204962] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:43:29,306 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:43:29,307 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-16 12:43:29,307 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1532522053] [2022-11-16 12:43:29,307 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:43:29,308 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 12:43:29,308 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:43:29,308 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 12:43:29,309 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 12:43:29,310 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 196 out of 252 [2022-11-16 12:43:29,311 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 193 places, 190 transitions, 396 flow. Second operand has 3 states, 3 states have (on average 197.33333333333334) internal successors, (592), 3 states have internal predecessors, (592), 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 12:43:29,311 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 12:43:29,312 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 196 of 252 [2022-11-16 12:43:29,312 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 12:43:29,468 INFO L130 PetriNetUnfolder]: 112/477 cut-off events. [2022-11-16 12:43:29,469 INFO L131 PetriNetUnfolder]: For 48/76 co-relation queries the response was YES. [2022-11-16 12:43:29,470 INFO L83 FinitePrefix]: Finished finitePrefix Result has 703 conditions, 477 events. 112/477 cut-off events. For 48/76 co-relation queries the response was YES. Maximal size of possible extension queue 29. Compared 1814 event pairs, 69 based on Foata normal form. 0/421 useless extension candidates. Maximal degree in co-relation 645. Up to 177 conditions per place. [2022-11-16 12:43:29,473 INFO L137 encePairwiseOnDemand]: 249/252 looper letters, 19 selfloop transitions, 2 changer transitions 0/189 dead transitions. [2022-11-16 12:43:29,473 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 194 places, 189 transitions, 436 flow [2022-11-16 12:43:29,474 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 12:43:29,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-16 12:43:29,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 609 transitions. [2022-11-16 12:43:29,476 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8055555555555556 [2022-11-16 12:43:29,476 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 609 transitions. [2022-11-16 12:43:29,476 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 609 transitions. [2022-11-16 12:43:29,477 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 12:43:29,477 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 609 transitions. [2022-11-16 12:43:29,479 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 203.0) internal successors, (609), 3 states have internal predecessors, (609), 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 12:43:29,481 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 252.0) internal successors, (1008), 4 states have internal predecessors, (1008), 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 12:43:29,482 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 252.0) internal successors, (1008), 4 states have internal predecessors, (1008), 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 12:43:29,482 INFO L175 Difference]: Start difference. First operand has 193 places, 190 transitions, 396 flow. Second operand 3 states and 609 transitions. [2022-11-16 12:43:29,483 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 194 places, 189 transitions, 436 flow [2022-11-16 12:43:29,484 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 192 places, 189 transitions, 432 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-16 12:43:29,487 INFO L231 Difference]: Finished difference. Result has 192 places, 189 transitions, 394 flow [2022-11-16 12:43:29,488 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=252, PETRI_DIFFERENCE_MINUEND_FLOW=390, PETRI_DIFFERENCE_MINUEND_PLACES=190, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=189, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=187, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=394, PETRI_PLACES=192, PETRI_TRANSITIONS=189} [2022-11-16 12:43:29,491 INFO L288 CegarLoopForPetriNet]: 229 programPoint places, -37 predicate places. [2022-11-16 12:43:29,492 INFO L495 AbstractCegarLoop]: Abstraction has has 192 places, 189 transitions, 394 flow [2022-11-16 12:43:29,493 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 197.33333333333334) internal successors, (592), 3 states have internal predecessors, (592), 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 12:43:29,493 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 12:43:29,494 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] [2022-11-16 12:43:29,494 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-16 12:43:29,494 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 67 more)] === [2022-11-16 12:43:29,495 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:43:29,495 INFO L85 PathProgramCache]: Analyzing trace with hash 1739381491, now seen corresponding path program 1 times [2022-11-16 12:43:29,495 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:43:29,495 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [455900856] [2022-11-16 12:43:29,496 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:43:29,496 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:43:29,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:43:29,594 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 12:43:29,594 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:43:29,594 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [455900856] [2022-11-16 12:43:29,595 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [455900856] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:43:29,595 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:43:29,595 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-16 12:43:29,595 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [825405185] [2022-11-16 12:43:29,595 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:43:29,596 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 12:43:29,596 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:43:29,596 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 12:43:29,596 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 12:43:29,598 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 199 out of 252 [2022-11-16 12:43:29,599 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 192 places, 189 transitions, 394 flow. Second operand has 3 states, 3 states have (on average 200.33333333333334) internal successors, (601), 3 states have internal predecessors, (601), 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 12:43:29,599 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 12:43:29,599 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 199 of 252 [2022-11-16 12:43:29,599 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 12:43:29,754 INFO L130 PetriNetUnfolder]: 112/476 cut-off events. [2022-11-16 12:43:29,754 INFO L131 PetriNetUnfolder]: For 48/76 co-relation queries the response was YES. [2022-11-16 12:43:29,756 INFO L83 FinitePrefix]: Finished finitePrefix Result has 697 conditions, 476 events. 112/476 cut-off events. For 48/76 co-relation queries the response was YES. Maximal size of possible extension queue 29. Compared 1824 event pairs, 69 based on Foata normal form. 0/421 useless extension candidates. Maximal degree in co-relation 633. Up to 171 conditions per place. [2022-11-16 12:43:29,759 INFO L137 encePairwiseOnDemand]: 250/252 looper letters, 17 selfloop transitions, 1 changer transitions 0/188 dead transitions. [2022-11-16 12:43:29,759 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 193 places, 188 transitions, 428 flow [2022-11-16 12:43:29,759 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 12:43:29,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-16 12:43:29,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 615 transitions. [2022-11-16 12:43:29,762 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8134920634920635 [2022-11-16 12:43:29,762 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 615 transitions. [2022-11-16 12:43:29,762 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 615 transitions. [2022-11-16 12:43:29,763 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 12:43:29,763 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 615 transitions. [2022-11-16 12:43:29,764 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 205.0) internal successors, (615), 3 states have internal predecessors, (615), 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 12:43:29,766 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 252.0) internal successors, (1008), 4 states have internal predecessors, (1008), 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 12:43:29,767 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 252.0) internal successors, (1008), 4 states have internal predecessors, (1008), 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 12:43:29,767 INFO L175 Difference]: Start difference. First operand has 192 places, 189 transitions, 394 flow. Second operand 3 states and 615 transitions. [2022-11-16 12:43:29,767 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 193 places, 188 transitions, 428 flow [2022-11-16 12:43:29,799 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 191 places, 188 transitions, 424 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-16 12:43:29,802 INFO L231 Difference]: Finished difference. Result has 191 places, 188 transitions, 390 flow [2022-11-16 12:43:29,803 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=252, PETRI_DIFFERENCE_MINUEND_FLOW=388, PETRI_DIFFERENCE_MINUEND_PLACES=189, 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=390, PETRI_PLACES=191, PETRI_TRANSITIONS=188} [2022-11-16 12:43:29,803 INFO L288 CegarLoopForPetriNet]: 229 programPoint places, -38 predicate places. [2022-11-16 12:43:29,804 INFO L495 AbstractCegarLoop]: Abstraction has has 191 places, 188 transitions, 390 flow [2022-11-16 12:43:29,804 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 200.33333333333334) internal successors, (601), 3 states have internal predecessors, (601), 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 12:43:29,804 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 12:43:29,805 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] [2022-11-16 12:43:29,805 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-16 12:43:29,805 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 67 more)] === [2022-11-16 12:43:29,806 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:43:29,806 INFO L85 PathProgramCache]: Analyzing trace with hash -150618238, now seen corresponding path program 1 times [2022-11-16 12:43:29,806 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:43:29,806 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1908878305] [2022-11-16 12:43:29,807 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:43:29,807 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:43:29,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:43:29,872 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 12:43:29,872 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:43:29,873 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1908878305] [2022-11-16 12:43:29,873 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1908878305] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:43:29,873 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:43:29,873 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-16 12:43:29,873 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [110904301] [2022-11-16 12:43:29,874 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:43:29,874 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 12:43:29,874 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:43:29,875 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 12:43:29,875 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 12:43:29,877 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 199 out of 252 [2022-11-16 12:43:29,877 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 191 places, 188 transitions, 390 flow. Second operand has 3 states, 3 states have (on average 200.33333333333334) internal successors, (601), 3 states have internal predecessors, (601), 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 12:43:29,878 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 12:43:29,878 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 199 of 252 [2022-11-16 12:43:29,878 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 12:43:30,012 INFO L130 PetriNetUnfolder]: 112/475 cut-off events. [2022-11-16 12:43:30,013 INFO L131 PetriNetUnfolder]: For 48/76 co-relation queries the response was YES. [2022-11-16 12:43:30,014 INFO L83 FinitePrefix]: Finished finitePrefix Result has 696 conditions, 475 events. 112/475 cut-off events. For 48/76 co-relation queries the response was YES. Maximal size of possible extension queue 29. Compared 1837 event pairs, 69 based on Foata normal form. 0/421 useless extension candidates. Maximal degree in co-relation 633. Up to 173 conditions per place. [2022-11-16 12:43:30,017 INFO L137 encePairwiseOnDemand]: 249/252 looper letters, 17 selfloop transitions, 2 changer transitions 0/187 dead transitions. [2022-11-16 12:43:30,018 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 192 places, 187 transitions, 426 flow [2022-11-16 12:43:30,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 12:43:30,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-16 12:43:30,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 616 transitions. [2022-11-16 12:43:30,020 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8148148148148148 [2022-11-16 12:43:30,020 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 616 transitions. [2022-11-16 12:43:30,021 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 616 transitions. [2022-11-16 12:43:30,021 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 12:43:30,021 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 616 transitions. [2022-11-16 12:43:30,023 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 205.33333333333334) internal successors, (616), 3 states have internal predecessors, (616), 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 12:43:30,025 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 252.0) internal successors, (1008), 4 states have internal predecessors, (1008), 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 12:43:30,025 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 252.0) internal successors, (1008), 4 states have internal predecessors, (1008), 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 12:43:30,026 INFO L175 Difference]: Start difference. First operand has 191 places, 188 transitions, 390 flow. Second operand 3 states and 616 transitions. [2022-11-16 12:43:30,026 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 192 places, 187 transitions, 426 flow [2022-11-16 12:43:30,028 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 191 places, 187 transitions, 425 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-11-16 12:43:30,030 INFO L231 Difference]: Finished difference. Result has 191 places, 187 transitions, 391 flow [2022-11-16 12:43:30,031 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=252, PETRI_DIFFERENCE_MINUEND_FLOW=387, PETRI_DIFFERENCE_MINUEND_PLACES=189, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=187, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=185, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=391, PETRI_PLACES=191, PETRI_TRANSITIONS=187} [2022-11-16 12:43:30,032 INFO L288 CegarLoopForPetriNet]: 229 programPoint places, -38 predicate places. [2022-11-16 12:43:30,032 INFO L495 AbstractCegarLoop]: Abstraction has has 191 places, 187 transitions, 391 flow [2022-11-16 12:43:30,033 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 200.33333333333334) internal successors, (601), 3 states have internal predecessors, (601), 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 12:43:30,033 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 12:43:30,033 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] [2022-11-16 12:43:30,033 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-16 12:43:30,034 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 67 more)] === [2022-11-16 12:43:30,034 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:43:30,034 INFO L85 PathProgramCache]: Analyzing trace with hash 596677809, now seen corresponding path program 1 times [2022-11-16 12:43:30,034 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:43:30,035 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1764518793] [2022-11-16 12:43:30,035 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:43:30,035 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:43:30,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:43:30,654 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 12:43:30,654 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:43:30,654 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1764518793] [2022-11-16 12:43:30,655 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1764518793] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:43:30,655 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:43:30,655 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-16 12:43:30,656 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1613671709] [2022-11-16 12:43:30,656 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:43:30,657 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-16 12:43:30,657 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:43:30,658 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-16 12:43:30,658 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-16 12:43:30,660 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 170 out of 252 [2022-11-16 12:43:30,662 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 191 places, 187 transitions, 391 flow. Second operand has 6 states, 6 states have (on average 171.83333333333334) internal successors, (1031), 6 states have internal predecessors, (1031), 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 12:43:30,662 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 12:43:30,663 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 170 of 252 [2022-11-16 12:43:30,663 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 12:43:31,151 INFO L130 PetriNetUnfolder]: 665/1329 cut-off events. [2022-11-16 12:43:31,151 INFO L131 PetriNetUnfolder]: For 118/118 co-relation queries the response was YES. [2022-11-16 12:43:31,154 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2475 conditions, 1329 events. 665/1329 cut-off events. For 118/118 co-relation queries the response was YES. Maximal size of possible extension queue 76. Compared 6279 event pairs, 513 based on Foata normal form. 0/1233 useless extension candidates. Maximal degree in co-relation 2413. Up to 997 conditions per place. [2022-11-16 12:43:31,163 INFO L137 encePairwiseOnDemand]: 246/252 looper letters, 43 selfloop transitions, 5 changer transitions 0/186 dead transitions. [2022-11-16 12:43:31,163 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 195 places, 186 transitions, 485 flow [2022-11-16 12:43:31,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-16 12:43:31,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-11-16 12:43:31,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1068 transitions. [2022-11-16 12:43:31,167 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.7063492063492064 [2022-11-16 12:43:31,167 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1068 transitions. [2022-11-16 12:43:31,167 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1068 transitions. [2022-11-16 12:43:31,168 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 12:43:31,169 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1068 transitions. [2022-11-16 12:43:31,171 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 178.0) internal successors, (1068), 6 states have internal predecessors, (1068), 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 12:43:31,174 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 252.0) internal successors, (1764), 7 states have internal predecessors, (1764), 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 12:43:31,175 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 252.0) internal successors, (1764), 7 states have internal predecessors, (1764), 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 12:43:31,175 INFO L175 Difference]: Start difference. First operand has 191 places, 187 transitions, 391 flow. Second operand 6 states and 1068 transitions. [2022-11-16 12:43:31,176 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 195 places, 186 transitions, 485 flow [2022-11-16 12:43:31,177 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 193 places, 186 transitions, 481 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-16 12:43:31,180 INFO L231 Difference]: Finished difference. Result has 193 places, 186 transitions, 395 flow [2022-11-16 12:43:31,180 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=252, PETRI_DIFFERENCE_MINUEND_FLOW=385, PETRI_DIFFERENCE_MINUEND_PLACES=188, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=186, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=181, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=395, PETRI_PLACES=193, PETRI_TRANSITIONS=186} [2022-11-16 12:43:31,181 INFO L288 CegarLoopForPetriNet]: 229 programPoint places, -36 predicate places. [2022-11-16 12:43:31,181 INFO L495 AbstractCegarLoop]: Abstraction has has 193 places, 186 transitions, 395 flow [2022-11-16 12:43:31,182 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 171.83333333333334) internal successors, (1031), 6 states have internal predecessors, (1031), 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 12:43:31,182 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 12:43:31,183 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] [2022-11-16 12:43:31,183 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-11-16 12:43:31,183 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 67 more)] === [2022-11-16 12:43:31,183 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:43:31,184 INFO L85 PathProgramCache]: Analyzing trace with hash 2026036325, now seen corresponding path program 1 times [2022-11-16 12:43:31,184 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:43:31,184 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1588703] [2022-11-16 12:43:31,184 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:43:31,185 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:43:31,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:43:31,232 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 12:43:31,232 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:43:31,232 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1588703] [2022-11-16 12:43:31,233 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1588703] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:43:31,233 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:43:31,233 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-16 12:43:31,233 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [699083349] [2022-11-16 12:43:31,234 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:43:31,234 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 12:43:31,234 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:43:31,235 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 12:43:31,235 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 12:43:31,236 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 196 out of 252 [2022-11-16 12:43:31,237 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 193 places, 186 transitions, 395 flow. Second operand has 3 states, 3 states have (on average 197.33333333333334) internal successors, (592), 3 states have internal predecessors, (592), 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 12:43:31,237 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 12:43:31,238 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 196 of 252 [2022-11-16 12:43:31,238 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 12:43:31,393 INFO L130 PetriNetUnfolder]: 143/577 cut-off events. [2022-11-16 12:43:31,393 INFO L131 PetriNetUnfolder]: For 50/86 co-relation queries the response was YES. [2022-11-16 12:43:31,395 INFO L83 FinitePrefix]: Finished finitePrefix Result has 885 conditions, 577 events. 143/577 cut-off events. For 50/86 co-relation queries the response was YES. Maximal size of possible extension queue 37. Compared 2650 event pairs, 115 based on Foata normal form. 0/519 useless extension candidates. Maximal degree in co-relation 866. Up to 230 conditions per place. [2022-11-16 12:43:31,398 INFO L137 encePairwiseOnDemand]: 249/252 looper letters, 19 selfloop transitions, 1 changer transitions 0/184 dead transitions. [2022-11-16 12:43:31,399 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 193 places, 184 transitions, 431 flow [2022-11-16 12:43:31,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 12:43:31,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-16 12:43:31,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 609 transitions. [2022-11-16 12:43:31,401 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8055555555555556 [2022-11-16 12:43:31,402 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 609 transitions. [2022-11-16 12:43:31,402 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 609 transitions. [2022-11-16 12:43:31,402 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 12:43:31,402 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 609 transitions. [2022-11-16 12:43:31,404 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 203.0) internal successors, (609), 3 states have internal predecessors, (609), 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 12:43:31,406 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 252.0) internal successors, (1008), 4 states have internal predecessors, (1008), 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 12:43:31,407 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 252.0) internal successors, (1008), 4 states have internal predecessors, (1008), 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 12:43:31,407 INFO L175 Difference]: Start difference. First operand has 193 places, 186 transitions, 395 flow. Second operand 3 states and 609 transitions. [2022-11-16 12:43:31,407 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 193 places, 184 transitions, 431 flow [2022-11-16 12:43:31,414 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 188 places, 184 transitions, 421 flow, removed 0 selfloop flow, removed 5 redundant places. [2022-11-16 12:43:31,417 INFO L231 Difference]: Finished difference. Result has 188 places, 184 transitions, 383 flow [2022-11-16 12:43:31,418 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=252, PETRI_DIFFERENCE_MINUEND_FLOW=381, PETRI_DIFFERENCE_MINUEND_PLACES=186, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=184, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=183, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=383, PETRI_PLACES=188, PETRI_TRANSITIONS=184} [2022-11-16 12:43:31,420 INFO L288 CegarLoopForPetriNet]: 229 programPoint places, -41 predicate places. [2022-11-16 12:43:31,420 INFO L495 AbstractCegarLoop]: Abstraction has has 188 places, 184 transitions, 383 flow [2022-11-16 12:43:31,421 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 197.33333333333334) internal successors, (592), 3 states have internal predecessors, (592), 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 12:43:31,421 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 12:43:31,421 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] [2022-11-16 12:43:31,422 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-11-16 12:43:31,422 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 67 more)] === [2022-11-16 12:43:31,422 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:43:31,423 INFO L85 PathProgramCache]: Analyzing trace with hash -1158981384, now seen corresponding path program 1 times [2022-11-16 12:43:31,425 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:43:31,429 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1935461185] [2022-11-16 12:43:31,429 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:43:31,429 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:43:31,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:43:32,047 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 12:43:32,047 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:43:32,047 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1935461185] [2022-11-16 12:43:32,048 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1935461185] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:43:32,048 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:43:32,048 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-16 12:43:32,048 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [295888211] [2022-11-16 12:43:32,048 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:43:32,051 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-16 12:43:32,052 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:43:32,053 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-16 12:43:32,053 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-16 12:43:32,055 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 175 out of 252 [2022-11-16 12:43:32,056 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 188 places, 184 transitions, 383 flow. Second operand has 6 states, 6 states have (on average 177.0) internal successors, (1062), 6 states have internal predecessors, (1062), 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 12:43:32,057 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 12:43:32,057 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 175 of 252 [2022-11-16 12:43:32,057 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 12:43:32,673 INFO L130 PetriNetUnfolder]: 665/1326 cut-off events. [2022-11-16 12:43:32,674 INFO L131 PetriNetUnfolder]: For 118/118 co-relation queries the response was YES. [2022-11-16 12:43:32,677 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2463 conditions, 1326 events. 665/1326 cut-off events. For 118/118 co-relation queries the response was YES. Maximal size of possible extension queue 73. Compared 6224 event pairs, 113 based on Foata normal form. 0/1266 useless extension candidates. Maximal degree in co-relation 2399. Up to 439 conditions per place. [2022-11-16 12:43:32,684 INFO L137 encePairwiseOnDemand]: 247/252 looper letters, 68 selfloop transitions, 4 changer transitions 0/215 dead transitions. [2022-11-16 12:43:32,685 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 192 places, 215 transitions, 605 flow [2022-11-16 12:43:32,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-16 12:43:32,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-11-16 12:43:32,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1118 transitions. [2022-11-16 12:43:32,688 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.7394179894179894 [2022-11-16 12:43:32,688 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1118 transitions. [2022-11-16 12:43:32,688 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1118 transitions. [2022-11-16 12:43:32,689 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 12:43:32,690 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1118 transitions. [2022-11-16 12:43:32,692 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 186.33333333333334) internal successors, (1118), 6 states have internal predecessors, (1118), 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 12:43:32,695 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 252.0) internal successors, (1764), 7 states have internal predecessors, (1764), 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 12:43:32,696 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 252.0) internal successors, (1764), 7 states have internal predecessors, (1764), 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 12:43:32,697 INFO L175 Difference]: Start difference. First operand has 188 places, 184 transitions, 383 flow. Second operand 6 states and 1118 transitions. [2022-11-16 12:43:32,697 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 192 places, 215 transitions, 605 flow [2022-11-16 12:43:32,700 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 191 places, 215 transitions, 604 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-11-16 12:43:32,704 INFO L231 Difference]: Finished difference. Result has 191 places, 183 transitions, 388 flow [2022-11-16 12:43:32,705 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=252, PETRI_DIFFERENCE_MINUEND_FLOW=380, PETRI_DIFFERENCE_MINUEND_PLACES=186, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=183, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=179, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=388, PETRI_PLACES=191, PETRI_TRANSITIONS=183} [2022-11-16 12:43:32,706 INFO L288 CegarLoopForPetriNet]: 229 programPoint places, -38 predicate places. [2022-11-16 12:43:32,706 INFO L495 AbstractCegarLoop]: Abstraction has has 191 places, 183 transitions, 388 flow [2022-11-16 12:43:32,707 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 177.0) internal successors, (1062), 6 states have internal predecessors, (1062), 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 12:43:32,707 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 12:43:32,708 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] [2022-11-16 12:43:32,708 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-11-16 12:43:32,708 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 67 more)] === [2022-11-16 12:43:32,709 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:43:32,709 INFO L85 PathProgramCache]: Analyzing trace with hash -402282641, now seen corresponding path program 1 times [2022-11-16 12:43:32,709 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:43:32,709 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1691342891] [2022-11-16 12:43:32,709 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:43:32,710 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:43:32,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:43:33,361 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 12:43:33,361 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:43:33,361 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1691342891] [2022-11-16 12:43:33,362 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1691342891] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:43:33,362 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:43:33,362 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-16 12:43:33,362 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1180850987] [2022-11-16 12:43:33,363 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:43:33,364 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-16 12:43:33,364 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:43:33,365 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-16 12:43:33,365 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-16 12:43:33,367 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 175 out of 252 [2022-11-16 12:43:33,369 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 191 places, 183 transitions, 388 flow. Second operand has 6 states, 6 states have (on average 178.0) internal successors, (1068), 6 states have internal predecessors, (1068), 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 12:43:33,370 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 12:43:33,370 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 175 of 252 [2022-11-16 12:43:33,370 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 12:43:33,861 INFO L130 PetriNetUnfolder]: 512/1122 cut-off events. [2022-11-16 12:43:33,862 INFO L131 PetriNetUnfolder]: For 163/163 co-relation queries the response was YES. [2022-11-16 12:43:33,866 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2191 conditions, 1122 events. 512/1122 cut-off events. For 163/163 co-relation queries the response was YES. Maximal size of possible extension queue 67. Compared 5325 event pairs, 377 based on Foata normal form. 0/1082 useless extension candidates. Maximal degree in co-relation 2127. Up to 649 conditions per place. [2022-11-16 12:43:33,872 INFO L137 encePairwiseOnDemand]: 247/252 looper letters, 59 selfloop transitions, 4 changer transitions 0/206 dead transitions. [2022-11-16 12:43:33,872 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 195 places, 206 transitions, 576 flow [2022-11-16 12:43:33,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-16 12:43:33,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-11-16 12:43:33,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1109 transitions. [2022-11-16 12:43:33,876 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.7334656084656085 [2022-11-16 12:43:33,877 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1109 transitions. [2022-11-16 12:43:33,877 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1109 transitions. [2022-11-16 12:43:33,878 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 12:43:33,878 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1109 transitions. [2022-11-16 12:43:33,883 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 184.83333333333334) internal successors, (1109), 6 states have internal predecessors, (1109), 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 12:43:33,887 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 252.0) internal successors, (1764), 7 states have internal predecessors, (1764), 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 12:43:33,888 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 252.0) internal successors, (1764), 7 states have internal predecessors, (1764), 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 12:43:33,888 INFO L175 Difference]: Start difference. First operand has 191 places, 183 transitions, 388 flow. Second operand 6 states and 1109 transitions. [2022-11-16 12:43:33,889 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 195 places, 206 transitions, 576 flow [2022-11-16 12:43:33,923 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 191 places, 206 transitions, 569 flow, removed 0 selfloop flow, removed 4 redundant places. [2022-11-16 12:43:33,926 INFO L231 Difference]: Finished difference. Result has 191 places, 182 transitions, 387 flow [2022-11-16 12:43:33,926 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=252, PETRI_DIFFERENCE_MINUEND_FLOW=379, PETRI_DIFFERENCE_MINUEND_PLACES=186, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=182, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=178, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=387, PETRI_PLACES=191, PETRI_TRANSITIONS=182} [2022-11-16 12:43:33,927 INFO L288 CegarLoopForPetriNet]: 229 programPoint places, -38 predicate places. [2022-11-16 12:43:33,927 INFO L495 AbstractCegarLoop]: Abstraction has has 191 places, 182 transitions, 387 flow [2022-11-16 12:43:33,927 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 178.0) internal successors, (1068), 6 states have internal predecessors, (1068), 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 12:43:33,928 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 12:43:33,928 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 12:43:33,931 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-11-16 12:43:33,931 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 67 more)] === [2022-11-16 12:43:33,931 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:43:33,932 INFO L85 PathProgramCache]: Analyzing trace with hash -780408912, now seen corresponding path program 1 times [2022-11-16 12:43:33,932 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:43:33,932 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [597585117] [2022-11-16 12:43:33,932 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:43:33,933 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:43:33,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:43:34,148 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 12:43:34,149 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:43:34,149 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [597585117] [2022-11-16 12:43:34,149 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [597585117] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:43:34,149 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:43:34,149 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-16 12:43:34,150 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [58692207] [2022-11-16 12:43:34,150 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:43:34,150 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-16 12:43:34,151 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:43:34,151 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-16 12:43:34,151 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-16 12:43:34,153 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 200 out of 252 [2022-11-16 12:43:34,154 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 191 places, 182 transitions, 387 flow. Second operand has 4 states, 4 states have (on average 202.25) internal successors, (809), 4 states have internal predecessors, (809), 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 12:43:34,154 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 12:43:34,154 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 200 of 252 [2022-11-16 12:43:34,155 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 12:43:34,348 INFO L130 PetriNetUnfolder]: 188/600 cut-off events. [2022-11-16 12:43:34,348 INFO L131 PetriNetUnfolder]: For 56/78 co-relation queries the response was YES. [2022-11-16 12:43:34,351 INFO L83 FinitePrefix]: Finished finitePrefix Result has 979 conditions, 600 events. 188/600 cut-off events. For 56/78 co-relation queries the response was YES. Maximal size of possible extension queue 47. Compared 2598 event pairs, 26 based on Foata normal form. 1/546 useless extension candidates. Maximal degree in co-relation 918. Up to 115 conditions per place. [2022-11-16 12:43:34,354 INFO L137 encePairwiseOnDemand]: 247/252 looper letters, 35 selfloop transitions, 5 changer transitions 0/204 dead transitions. [2022-11-16 12:43:34,354 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 195 places, 204 transitions, 523 flow [2022-11-16 12:43:34,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-16 12:43:34,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2022-11-16 12:43:34,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1039 transitions. [2022-11-16 12:43:34,358 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8246031746031746 [2022-11-16 12:43:34,358 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 1039 transitions. [2022-11-16 12:43:34,358 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 1039 transitions. [2022-11-16 12:43:34,359 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 12:43:34,359 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 1039 transitions. [2022-11-16 12:43:34,362 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 207.8) internal successors, (1039), 5 states have internal predecessors, (1039), 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 12:43:34,365 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 252.0) internal successors, (1512), 6 states have internal predecessors, (1512), 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 12:43:34,366 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 252.0) internal successors, (1512), 6 states have internal predecessors, (1512), 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 12:43:34,366 INFO L175 Difference]: Start difference. First operand has 191 places, 182 transitions, 387 flow. Second operand 5 states and 1039 transitions. [2022-11-16 12:43:34,367 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 195 places, 204 transitions, 523 flow [2022-11-16 12:43:34,369 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 191 places, 204 transitions, 516 flow, removed 0 selfloop flow, removed 4 redundant places. [2022-11-16 12:43:34,372 INFO L231 Difference]: Finished difference. Result has 194 places, 185 transitions, 411 flow [2022-11-16 12:43:34,372 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=252, PETRI_DIFFERENCE_MINUEND_FLOW=380, PETRI_DIFFERENCE_MINUEND_PLACES=187, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=182, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=178, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=411, PETRI_PLACES=194, PETRI_TRANSITIONS=185} [2022-11-16 12:43:34,373 INFO L288 CegarLoopForPetriNet]: 229 programPoint places, -35 predicate places. [2022-11-16 12:43:34,373 INFO L495 AbstractCegarLoop]: Abstraction has has 194 places, 185 transitions, 411 flow [2022-11-16 12:43:34,374 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 202.25) internal successors, (809), 4 states have internal predecessors, (809), 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 12:43:34,374 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 12:43:34,375 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, 1] [2022-11-16 12:43:34,375 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-11-16 12:43:34,375 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 67 more)] === [2022-11-16 12:43:34,375 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:43:34,376 INFO L85 PathProgramCache]: Analyzing trace with hash 1406054308, now seen corresponding path program 1 times [2022-11-16 12:43:34,376 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:43:34,376 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [195938484] [2022-11-16 12:43:34,376 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:43:34,377 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:43:34,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:43:35,017 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 12:43:35,018 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:43:35,018 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [195938484] [2022-11-16 12:43:35,018 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [195938484] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:43:35,018 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:43:35,018 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-16 12:43:35,019 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [492146850] [2022-11-16 12:43:35,019 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:43:35,020 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-16 12:43:35,020 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:43:35,020 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-16 12:43:35,021 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-16 12:43:35,022 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 175 out of 252 [2022-11-16 12:43:35,024 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 194 places, 185 transitions, 411 flow. Second operand has 6 states, 6 states have (on average 179.33333333333334) internal successors, (1076), 6 states have internal predecessors, (1076), 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 12:43:35,024 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 12:43:35,024 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 175 of 252 [2022-11-16 12:43:35,024 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 12:43:35,523 INFO L130 PetriNetUnfolder]: 750/1519 cut-off events. [2022-11-16 12:43:35,523 INFO L131 PetriNetUnfolder]: For 610/610 co-relation queries the response was YES. [2022-11-16 12:43:35,528 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3358 conditions, 1519 events. 750/1519 cut-off events. For 610/610 co-relation queries the response was YES. Maximal size of possible extension queue 90. Compared 7931 event pairs, 533 based on Foata normal form. 0/1476 useless extension candidates. Maximal degree in co-relation 3290. Up to 1124 conditions per place. [2022-11-16 12:43:35,536 INFO L137 encePairwiseOnDemand]: 247/252 looper letters, 37 selfloop transitions, 4 changer transitions 0/184 dead transitions. [2022-11-16 12:43:35,536 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 198 places, 184 transitions, 491 flow [2022-11-16 12:43:35,537 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-16 12:43:35,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-11-16 12:43:35,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1088 transitions. [2022-11-16 12:43:35,540 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.7195767195767195 [2022-11-16 12:43:35,540 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1088 transitions. [2022-11-16 12:43:35,540 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1088 transitions. [2022-11-16 12:43:35,541 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 12:43:35,541 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1088 transitions. [2022-11-16 12:43:35,544 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 181.33333333333334) internal successors, (1088), 6 states have internal predecessors, (1088), 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 12:43:35,547 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 252.0) internal successors, (1764), 7 states have internal predecessors, (1764), 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 12:43:35,548 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 252.0) internal successors, (1764), 7 states have internal predecessors, (1764), 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 12:43:35,549 INFO L175 Difference]: Start difference. First operand has 194 places, 185 transitions, 411 flow. Second operand 6 states and 1088 transitions. [2022-11-16 12:43:35,549 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 198 places, 184 transitions, 491 flow [2022-11-16 12:43:35,551 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 197 places, 184 transitions, 488 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-11-16 12:43:35,554 INFO L231 Difference]: Finished difference. Result has 197 places, 184 transitions, 414 flow [2022-11-16 12:43:35,555 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=252, PETRI_DIFFERENCE_MINUEND_FLOW=406, PETRI_DIFFERENCE_MINUEND_PLACES=192, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=184, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=180, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=414, PETRI_PLACES=197, PETRI_TRANSITIONS=184} [2022-11-16 12:43:35,557 INFO L288 CegarLoopForPetriNet]: 229 programPoint places, -32 predicate places. [2022-11-16 12:43:35,557 INFO L495 AbstractCegarLoop]: Abstraction has has 197 places, 184 transitions, 414 flow [2022-11-16 12:43:35,568 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 179.33333333333334) internal successors, (1076), 6 states have internal predecessors, (1076), 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 12:43:35,576 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 12:43:35,577 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, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:43:35,577 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-11-16 12:43:35,577 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 67 more)] === [2022-11-16 12:43:35,578 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:43:35,578 INFO L85 PathProgramCache]: Analyzing trace with hash 1153422747, now seen corresponding path program 1 times [2022-11-16 12:43:35,578 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:43:35,579 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1585493054] [2022-11-16 12:43:35,579 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:43:35,579 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:43:35,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:43:35,668 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 12:43:35,669 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:43:35,669 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1585493054] [2022-11-16 12:43:35,669 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1585493054] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:43:35,669 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:43:35,670 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-16 12:43:35,670 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1802973597] [2022-11-16 12:43:35,670 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:43:35,671 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 12:43:35,671 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:43:35,671 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 12:43:35,671 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 12:43:35,672 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 199 out of 252 [2022-11-16 12:43:35,674 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 197 places, 184 transitions, 414 flow. Second operand has 3 states, 3 states have (on average 203.0) internal successors, (609), 3 states have internal predecessors, (609), 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 12:43:35,674 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 12:43:35,674 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 199 of 252 [2022-11-16 12:43:35,674 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 12:43:35,838 INFO L130 PetriNetUnfolder]: 149/598 cut-off events. [2022-11-16 12:43:35,838 INFO L131 PetriNetUnfolder]: For 143/186 co-relation queries the response was YES. [2022-11-16 12:43:35,841 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1012 conditions, 598 events. 149/598 cut-off events. For 143/186 co-relation queries the response was YES. Maximal size of possible extension queue 42. Compared 2700 event pairs, 23 based on Foata normal form. 3/558 useless extension candidates. Maximal degree in co-relation 977. Up to 184 conditions per place. [2022-11-16 12:43:35,842 INFO L137 encePairwiseOnDemand]: 247/252 looper letters, 0 selfloop transitions, 0 changer transitions 195/195 dead transitions. [2022-11-16 12:43:35,842 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 198 places, 195 transitions, 517 flow [2022-11-16 12:43:35,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 12:43:35,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-16 12:43:35,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 624 transitions. [2022-11-16 12:43:35,845 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8253968253968254 [2022-11-16 12:43:35,845 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 624 transitions. [2022-11-16 12:43:35,845 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 624 transitions. [2022-11-16 12:43:35,846 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 12:43:35,846 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 624 transitions. [2022-11-16 12:43:35,848 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 208.0) internal successors, (624), 3 states have internal predecessors, (624), 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 12:43:35,849 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 252.0) internal successors, (1008), 4 states have internal predecessors, (1008), 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 12:43:35,850 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 252.0) internal successors, (1008), 4 states have internal predecessors, (1008), 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 12:43:35,850 INFO L175 Difference]: Start difference. First operand has 197 places, 184 transitions, 414 flow. Second operand 3 states and 624 transitions. [2022-11-16 12:43:35,850 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 198 places, 195 transitions, 517 flow [2022-11-16 12:43:35,853 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 194 places, 195 transitions, 510 flow, removed 0 selfloop flow, removed 4 redundant places. [2022-11-16 12:43:35,855 INFO L231 Difference]: Finished difference. Result has 194 places, 0 transitions, 0 flow [2022-11-16 12:43:35,856 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=252, PETRI_DIFFERENCE_MINUEND_FLOW=405, PETRI_DIFFERENCE_MINUEND_PLACES=192, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=183, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=183, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=194, PETRI_TRANSITIONS=0} [2022-11-16 12:43:35,856 INFO L288 CegarLoopForPetriNet]: 229 programPoint places, -35 predicate places. [2022-11-16 12:43:35,856 INFO L495 AbstractCegarLoop]: Abstraction has has 194 places, 0 transitions, 0 flow [2022-11-16 12:43:35,857 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 203.0) internal successors, (609), 3 states have internal predecessors, (609), 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 12:43:35,860 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (70 of 71 remaining) [2022-11-16 12:43:35,860 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (69 of 71 remaining) [2022-11-16 12:43:35,861 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (68 of 71 remaining) [2022-11-16 12:43:35,861 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (67 of 71 remaining) [2022-11-16 12:43:35,861 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (66 of 71 remaining) [2022-11-16 12:43:35,861 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (65 of 71 remaining) [2022-11-16 12:43:35,862 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (64 of 71 remaining) [2022-11-16 12:43:35,862 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (63 of 71 remaining) [2022-11-16 12:43:35,862 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (62 of 71 remaining) [2022-11-16 12:43:35,862 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONDATA_RACE (61 of 71 remaining) [2022-11-16 12:43:35,863 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (60 of 71 remaining) [2022-11-16 12:43:35,863 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (59 of 71 remaining) [2022-11-16 12:43:35,863 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (58 of 71 remaining) [2022-11-16 12:43:35,863 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (57 of 71 remaining) [2022-11-16 12:43:35,863 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (56 of 71 remaining) [2022-11-16 12:43:35,864 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (55 of 71 remaining) [2022-11-16 12:43:35,864 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (54 of 71 remaining) [2022-11-16 12:43:35,864 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (53 of 71 remaining) [2022-11-16 12:43:35,864 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (52 of 71 remaining) [2022-11-16 12:43:35,864 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (51 of 71 remaining) [2022-11-16 12:43:35,865 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (50 of 71 remaining) [2022-11-16 12:43:35,865 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err11ASSERT_VIOLATIONDATA_RACE (49 of 71 remaining) [2022-11-16 12:43:35,865 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err12ASSERT_VIOLATIONDATA_RACE (48 of 71 remaining) [2022-11-16 12:43:35,865 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err13ASSERT_VIOLATIONDATA_RACE (47 of 71 remaining) [2022-11-16 12:43:35,868 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (46 of 71 remaining) [2022-11-16 12:43:35,868 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (45 of 71 remaining) [2022-11-16 12:43:35,868 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (44 of 71 remaining) [2022-11-16 12:43:35,868 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (43 of 71 remaining) [2022-11-16 12:43:35,869 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (42 of 71 remaining) [2022-11-16 12:43:35,869 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (41 of 71 remaining) [2022-11-16 12:43:35,869 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (40 of 71 remaining) [2022-11-16 12:43:35,869 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (39 of 71 remaining) [2022-11-16 12:43:35,870 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (38 of 71 remaining) [2022-11-16 12:43:35,870 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (37 of 71 remaining) [2022-11-16 12:43:35,870 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (36 of 71 remaining) [2022-11-16 12:43:35,870 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (35 of 71 remaining) [2022-11-16 12:43:35,870 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (34 of 71 remaining) [2022-11-16 12:43:35,871 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (33 of 71 remaining) [2022-11-16 12:43:35,871 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (32 of 71 remaining) [2022-11-16 12:43:35,871 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE (31 of 71 remaining) [2022-11-16 12:43:35,871 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE (30 of 71 remaining) [2022-11-16 12:43:35,872 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (29 of 71 remaining) [2022-11-16 12:43:35,872 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (28 of 71 remaining) [2022-11-16 12:43:35,872 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (27 of 71 remaining) [2022-11-16 12:43:35,872 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (26 of 71 remaining) [2022-11-16 12:43:35,873 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (25 of 71 remaining) [2022-11-16 12:43:35,873 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (24 of 71 remaining) [2022-11-16 12:43:35,873 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (23 of 71 remaining) [2022-11-16 12:43:35,873 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (22 of 71 remaining) [2022-11-16 12:43:35,873 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (21 of 71 remaining) [2022-11-16 12:43:35,874 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (20 of 71 remaining) [2022-11-16 12:43:35,874 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (19 of 71 remaining) [2022-11-16 12:43:35,874 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (18 of 71 remaining) [2022-11-16 12:43:35,874 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONDATA_RACE (17 of 71 remaining) [2022-11-16 12:43:35,875 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (16 of 71 remaining) [2022-11-16 12:43:35,875 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (15 of 71 remaining) [2022-11-16 12:43:35,875 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (14 of 71 remaining) [2022-11-16 12:43:35,875 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (13 of 71 remaining) [2022-11-16 12:43:35,875 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (12 of 71 remaining) [2022-11-16 12:43:35,876 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (11 of 71 remaining) [2022-11-16 12:43:35,876 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (10 of 71 remaining) [2022-11-16 12:43:35,876 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (9 of 71 remaining) [2022-11-16 12:43:35,876 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (8 of 71 remaining) [2022-11-16 12:43:35,876 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (7 of 71 remaining) [2022-11-16 12:43:35,877 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (6 of 71 remaining) [2022-11-16 12:43:35,877 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err11ASSERT_VIOLATIONDATA_RACE (5 of 71 remaining) [2022-11-16 12:43:35,877 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err12ASSERT_VIOLATIONDATA_RACE (4 of 71 remaining) [2022-11-16 12:43:35,877 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err13ASSERT_VIOLATIONDATA_RACE (3 of 71 remaining) [2022-11-16 12:43:35,877 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (2 of 71 remaining) [2022-11-16 12:43:35,878 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (1 of 71 remaining) [2022-11-16 12:43:35,878 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (0 of 71 remaining) [2022-11-16 12:43:35,878 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-11-16 12:43:35,879 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:43:35,886 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-11-16 12:43:35,886 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-16 12:43:35,893 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.11 12:43:35 BasicIcfg [2022-11-16 12:43:35,893 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-16 12:43:35,894 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-16 12:43:35,894 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-16 12:43:35,894 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-16 12:43:35,895 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 12:43:26" (3/4) ... [2022-11-16 12:43:35,897 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-16 12:43:35,903 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2022-11-16 12:43:35,903 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2022-11-16 12:43:35,903 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread3 [2022-11-16 12:43:35,912 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 24 nodes and edges [2022-11-16 12:43:35,912 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-11-16 12:43:35,913 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-11-16 12:43:35,913 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-16 12:43:35,984 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f35bb0ed-5158-4c6d-9de1-2b08ba4524b1/bin/uautomizer-tPACEb0tL8/witness.graphml [2022-11-16 12:43:35,984 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-16 12:43:35,985 INFO L158 Benchmark]: Toolchain (without parser) took 11118.01ms. Allocated memory was 136.3MB in the beginning and 346.0MB in the end (delta: 209.7MB). Free memory was 99.2MB in the beginning and 167.0MB in the end (delta: -67.8MB). Peak memory consumption was 140.6MB. Max. memory is 16.1GB. [2022-11-16 12:43:35,986 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 136.3MB. Free memory is still 116.2MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-16 12:43:35,986 INFO L158 Benchmark]: CACSL2BoogieTranslator took 527.94ms. Allocated memory is still 136.3MB. Free memory was 99.1MB in the beginning and 108.1MB in the end (delta: -9.0MB). Peak memory consumption was 9.8MB. Max. memory is 16.1GB. [2022-11-16 12:43:35,987 INFO L158 Benchmark]: Boogie Procedure Inliner took 87.15ms. Allocated memory is still 136.3MB. Free memory was 108.1MB in the beginning and 105.6MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-16 12:43:35,987 INFO L158 Benchmark]: Boogie Preprocessor took 69.82ms. Allocated memory is still 136.3MB. Free memory was 105.1MB in the beginning and 103.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-16 12:43:35,987 INFO L158 Benchmark]: RCFGBuilder took 1261.05ms. Allocated memory is still 136.3MB. Free memory was 103.0MB in the beginning and 100.7MB in the end (delta: 2.4MB). Peak memory consumption was 56.6MB. Max. memory is 16.1GB. [2022-11-16 12:43:35,988 INFO L158 Benchmark]: TraceAbstraction took 9073.27ms. Allocated memory was 136.3MB in the beginning and 346.0MB in the end (delta: 209.7MB). Free memory was 100.0MB in the beginning and 170.2MB in the end (delta: -70.2MB). Peak memory consumption was 140.5MB. Max. memory is 16.1GB. [2022-11-16 12:43:35,988 INFO L158 Benchmark]: Witness Printer took 90.56ms. Allocated memory is still 346.0MB. Free memory was 170.2MB in the beginning and 167.0MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-16 12:43:35,991 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 136.3MB. Free memory is still 116.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 527.94ms. Allocated memory is still 136.3MB. Free memory was 99.1MB in the beginning and 108.1MB in the end (delta: -9.0MB). Peak memory consumption was 9.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 87.15ms. Allocated memory is still 136.3MB. Free memory was 108.1MB in the beginning and 105.6MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 69.82ms. Allocated memory is still 136.3MB. Free memory was 105.1MB in the beginning and 103.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1261.05ms. Allocated memory is still 136.3MB. Free memory was 103.0MB in the beginning and 100.7MB in the end (delta: 2.4MB). Peak memory consumption was 56.6MB. Max. memory is 16.1GB. * TraceAbstraction took 9073.27ms. Allocated memory was 136.3MB in the beginning and 346.0MB in the end (delta: 209.7MB). Free memory was 100.0MB in the beginning and 170.2MB in the end (delta: -70.2MB). Peak memory consumption was 140.5MB. Max. memory is 16.1GB. * Witness Printer took 90.56ms. Allocated memory is still 346.0MB. Free memory was 170.2MB in the beginning and 167.0MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 48]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 56]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 56]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 56]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 57]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 57]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 57]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 58]: 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: 68]: 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: 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: 74]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 74]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 77]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 77]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 80]: 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: 98]: 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: 100]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 101]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 101]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 102]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 103]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 103]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 127]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 105]: 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: 112]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 113]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 115]: 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, 298 locations, 71 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: 8.8s, OverallIterations: 15, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 4.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.2s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 127 SdHoareTripleChecker+Valid, 1.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 127 mSDsluCounter, 132 SdHoareTripleChecker+Invalid, 1.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 3 mSDsCounter, 55 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 807 IncrementalHoareTripleChecker+Invalid, 862 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 55 mSolverCounterUnsat, 129 mSDtfsCounter, 807 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 45 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=476occurred in iteration=0, InterpolantAutomatonStates: 59, 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, 3.1s InterpolantComputationTime, 1273 NumberOfCodeBlocks, 1273 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 1258 ConstructedInterpolants, 0 QuantifiedInterpolants, 1808 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 15 InterpolantComputations, 15 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 41 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-11-16 12:43:36,034 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f35bb0ed-5158-4c6d-9de1-2b08ba4524b1/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