./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/weaver/popl20-more-queue-add-2-nl.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 6b4ec56b Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c797042f-3d64-4a33-b9f2-16e179fc9208/bin/uautomizer-ug76WZFUDN/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c797042f-3d64-4a33-b9f2-16e179fc9208/bin/uautomizer-ug76WZFUDN/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c797042f-3d64-4a33-b9f2-16e179fc9208/bin/uautomizer-ug76WZFUDN/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c797042f-3d64-4a33-b9f2-16e179fc9208/bin/uautomizer-ug76WZFUDN/config/AutomizerReach.xml -i ../../sv-benchmarks/c/weaver/popl20-more-queue-add-2-nl.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c797042f-3d64-4a33-b9f2-16e179fc9208/bin/uautomizer-ug76WZFUDN/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c797042f-3d64-4a33-b9f2-16e179fc9208/bin/uautomizer-ug76WZFUDN --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 c80601716e9c0111d78d12f0a88108c91b0aa7215f8e775685e33490f22c8502 --- 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-6b4ec56 [2022-11-20 12:37:48,487 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 12:37:48,489 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 12:37:48,516 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 12:37:48,517 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 12:37:48,518 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 12:37:48,520 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 12:37:48,522 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 12:37:48,524 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 12:37:48,525 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 12:37:48,527 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 12:37:48,528 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 12:37:48,529 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 12:37:48,530 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 12:37:48,531 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 12:37:48,533 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 12:37:48,534 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 12:37:48,535 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 12:37:48,538 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 12:37:48,540 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 12:37:48,542 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 12:37:48,544 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 12:37:48,545 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 12:37:48,547 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 12:37:48,551 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 12:37:48,552 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 12:37:48,552 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 12:37:48,554 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 12:37:48,554 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 12:37:48,556 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 12:37:48,556 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 12:37:48,557 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 12:37:48,558 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 12:37:48,560 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 12:37:48,561 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 12:37:48,561 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 12:37:48,563 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 12:37:48,563 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 12:37:48,563 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 12:37:48,565 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 12:37:48,566 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 12:37:48,572 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c797042f-3d64-4a33-b9f2-16e179fc9208/bin/uautomizer-ug76WZFUDN/config/svcomp-DataRace-32bit-Automizer_Default.epf [2022-11-20 12:37:48,612 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 12:37:48,612 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 12:37:48,613 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-20 12:37:48,613 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-20 12:37:48,614 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 12:37:48,614 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-20 12:37:48,623 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 12:37:48,624 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 12:37:48,625 INFO L138 SettingsManager]: * Use SBE=true [2022-11-20 12:37:48,625 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 12:37:48,626 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-20 12:37:48,627 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-20 12:37:48,627 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 12:37:48,627 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-20 12:37:48,627 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 12:37:48,627 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 12:37:48,628 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 12:37:48,628 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 12:37:48,628 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-11-20 12:37:48,628 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-20 12:37:48,629 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 12:37:48,629 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 12:37:48,629 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 12:37:48,630 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 12:37:48,630 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-20 12:37:48,630 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-20 12:37:48,630 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 12:37:48,631 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 12:37:48,631 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 12:37:48,631 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 12:37:48,632 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-20 12:37:48,632 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-20 12:37:48,632 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-20 12:37:48,633 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-20 12:37:48,633 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 12:37:48,633 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_c797042f-3d64-4a33-b9f2-16e179fc9208/bin/uautomizer-ug76WZFUDN/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c797042f-3d64-4a33-b9f2-16e179fc9208/bin/uautomizer-ug76WZFUDN Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c80601716e9c0111d78d12f0a88108c91b0aa7215f8e775685e33490f22c8502 [2022-11-20 12:37:48,959 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 12:37:49,001 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 12:37:49,029 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 12:37:49,030 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 12:37:49,031 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 12:37:49,032 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c797042f-3d64-4a33-b9f2-16e179fc9208/bin/uautomizer-ug76WZFUDN/../../sv-benchmarks/c/weaver/popl20-more-queue-add-2-nl.wvr.c [2022-11-20 12:37:52,768 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 12:37:52,993 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 12:37:52,994 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c797042f-3d64-4a33-b9f2-16e179fc9208/sv-benchmarks/c/weaver/popl20-more-queue-add-2-nl.wvr.c [2022-11-20 12:37:53,008 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c797042f-3d64-4a33-b9f2-16e179fc9208/bin/uautomizer-ug76WZFUDN/data/5298cf41c/e6ede2070fab4c7da8ac4927181d0035/FLAG7af5d4511 [2022-11-20 12:37:53,031 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c797042f-3d64-4a33-b9f2-16e179fc9208/bin/uautomizer-ug76WZFUDN/data/5298cf41c/e6ede2070fab4c7da8ac4927181d0035 [2022-11-20 12:37:53,038 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 12:37:53,040 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 12:37:53,046 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 12:37:53,046 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 12:37:53,050 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 12:37:53,051 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 12:37:53" (1/1) ... [2022-11-20 12:37:53,053 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@d9bdc46 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:37:53, skipping insertion in model container [2022-11-20 12:37:53,053 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 12:37:53" (1/1) ... [2022-11-20 12:37:53,064 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 12:37:53,105 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 12:37:53,427 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c797042f-3d64-4a33-b9f2-16e179fc9208/sv-benchmarks/c/weaver/popl20-more-queue-add-2-nl.wvr.c[2870,2883] [2022-11-20 12:37:53,439 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 12:37:53,455 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 12:37:53,494 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c797042f-3d64-4a33-b9f2-16e179fc9208/sv-benchmarks/c/weaver/popl20-more-queue-add-2-nl.wvr.c[2870,2883] [2022-11-20 12:37:53,499 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 12:37:53,517 INFO L208 MainTranslator]: Completed translation [2022-11-20 12:37:53,518 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:37:53 WrapperNode [2022-11-20 12:37:53,518 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 12:37:53,520 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 12:37:53,520 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 12:37:53,520 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 12:37:53,529 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:37:53" (1/1) ... [2022-11-20 12:37:53,548 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:37:53" (1/1) ... [2022-11-20 12:37:53,591 INFO L138 Inliner]: procedures = 25, calls = 39, calls flagged for inlining = 12, calls inlined = 12, statements flattened = 341 [2022-11-20 12:37:53,591 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 12:37:53,592 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 12:37:53,593 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 12:37:53,593 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 12:37:53,605 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:37:53" (1/1) ... [2022-11-20 12:37:53,605 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:37:53" (1/1) ... [2022-11-20 12:37:53,610 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:37:53" (1/1) ... [2022-11-20 12:37:53,611 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:37:53" (1/1) ... [2022-11-20 12:37:53,626 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:37:53" (1/1) ... [2022-11-20 12:37:53,632 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:37:53" (1/1) ... [2022-11-20 12:37:53,634 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:37:53" (1/1) ... [2022-11-20 12:37:53,637 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:37:53" (1/1) ... [2022-11-20 12:37:53,641 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 12:37:53,642 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 12:37:53,642 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 12:37:53,643 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 12:37:53,644 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:37:53" (1/1) ... [2022-11-20 12:37:53,666 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 12:37:53,681 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c797042f-3d64-4a33-b9f2-16e179fc9208/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:37:53,701 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c797042f-3d64-4a33-b9f2-16e179fc9208/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-20 12:37:53,727 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c797042f-3d64-4a33-b9f2-16e179fc9208/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-20 12:37:53,755 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-20 12:37:53,755 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-20 12:37:53,755 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-20 12:37:53,755 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-20 12:37:53,755 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-11-20 12:37:53,756 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-11-20 12:37:53,756 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-11-20 12:37:53,756 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-11-20 12:37:53,756 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-20 12:37:53,757 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-11-20 12:37:53,757 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-11-20 12:37:53,757 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-20 12:37:53,757 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 12:37:53,757 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 12:37:53,758 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-20 12:37:53,760 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-20 12:37:53,913 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 12:37:53,915 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 12:37:54,773 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 12:37:55,196 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 12:37:55,197 INFO L300 CfgBuilder]: Removed 3 assume(true) statements. [2022-11-20 12:37:55,200 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 12:37:55 BoogieIcfgContainer [2022-11-20 12:37:55,200 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 12:37:55,202 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-20 12:37:55,213 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-20 12:37:55,217 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-20 12:37:55,218 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 12:37:53" (1/3) ... [2022-11-20 12:37:55,220 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6fde34ff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 12:37:55, skipping insertion in model container [2022-11-20 12:37:55,221 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:37:53" (2/3) ... [2022-11-20 12:37:55,222 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6fde34ff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 12:37:55, skipping insertion in model container [2022-11-20 12:37:55,222 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 12:37:55" (3/3) ... [2022-11-20 12:37:55,224 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-more-queue-add-2-nl.wvr.c [2022-11-20 12:37:55,233 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-11-20 12:37:55,243 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-20 12:37:55,244 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 55 error locations. [2022-11-20 12:37:55,244 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-20 12:37:55,374 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2022-11-20 12:37:55,434 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 290 places, 295 transitions, 606 flow [2022-11-20 12:37:55,634 INFO L130 PetriNetUnfolder]: 12/293 cut-off events. [2022-11-20 12:37:55,636 INFO L131 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2022-11-20 12:37:55,649 INFO L83 FinitePrefix]: Finished finitePrefix Result has 302 conditions, 293 events. 12/293 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 17. Compared 493 event pairs, 0 based on Foata normal form. 0/226 useless extension candidates. Maximal degree in co-relation 194. Up to 3 conditions per place. [2022-11-20 12:37:55,649 INFO L82 GeneralOperation]: Start removeDead. Operand has 290 places, 295 transitions, 606 flow [2022-11-20 12:37:55,667 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 269 places, 272 transitions, 556 flow [2022-11-20 12:37:55,691 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-20 12:37:55,700 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;@32ed60fd, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-20 12:37:55,700 INFO L358 AbstractCegarLoop]: Starting to check reachability of 96 error locations. [2022-11-20 12:37:55,706 INFO L130 PetriNetUnfolder]: 0/26 cut-off events. [2022-11-20 12:37:55,706 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-11-20 12:37:55,706 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-20 12:37:55,707 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] [2022-11-20 12:37:55,708 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err12ASSERT_VIOLATIONDATA_RACE, thread1Err13ASSERT_VIOLATIONDATA_RACE, thread1Err14ASSERT_VIOLATIONDATA_RACE (and 92 more)] === [2022-11-20 12:37:55,713 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:37:55,714 INFO L85 PathProgramCache]: Analyzing trace with hash 442547205, now seen corresponding path program 1 times [2022-11-20 12:37:55,726 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:37:55,726 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1609252366] [2022-11-20 12:37:55,727 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:37:55,728 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:37:55,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:37:56,044 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 12:37:56,045 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 12:37:56,045 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1609252366] [2022-11-20 12:37:56,046 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1609252366] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 12:37:56,046 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 12:37:56,047 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 12:37:56,049 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1541293627] [2022-11-20 12:37:56,050 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 12:37:56,061 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 12:37:56,061 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 12:37:56,122 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 12:37:56,124 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 12:37:56,129 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 238 out of 295 [2022-11-20 12:37:56,134 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 269 places, 272 transitions, 556 flow. Second operand has 3 states, 3 states have (on average 239.33333333333334) internal successors, (718), 3 states have internal predecessors, (718), 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) [2022-11-20 12:37:56,135 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-20 12:37:56,135 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 238 of 295 [2022-11-20 12:37:56,136 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-20 12:37:56,468 INFO L130 PetriNetUnfolder]: 66/544 cut-off events. [2022-11-20 12:37:56,468 INFO L131 PetriNetUnfolder]: For 28/28 co-relation queries the response was YES. [2022-11-20 12:37:56,472 INFO L83 FinitePrefix]: Finished finitePrefix Result has 702 conditions, 544 events. 66/544 cut-off events. For 28/28 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 2232 event pairs, 44 based on Foata normal form. 30/462 useless extension candidates. Maximal degree in co-relation 485. Up to 127 conditions per place. [2022-11-20 12:37:56,476 INFO L137 encePairwiseOnDemand]: 259/295 looper letters, 19 selfloop transitions, 2 changer transitions 3/238 dead transitions. [2022-11-20 12:37:56,476 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 244 places, 238 transitions, 530 flow [2022-11-20 12:37:56,477 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 12:37:56,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-20 12:37:56,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 769 transitions. [2022-11-20 12:37:56,494 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8689265536723164 [2022-11-20 12:37:56,495 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 769 transitions. [2022-11-20 12:37:56,496 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 769 transitions. [2022-11-20 12:37:56,499 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 12:37:56,502 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 769 transitions. [2022-11-20 12:37:56,508 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 256.3333333333333) internal successors, (769), 3 states have internal predecessors, (769), 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) [2022-11-20 12:37:56,516 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 295.0) internal successors, (1180), 4 states have internal predecessors, (1180), 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) [2022-11-20 12:37:56,517 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 295.0) internal successors, (1180), 4 states have internal predecessors, (1180), 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) [2022-11-20 12:37:56,519 INFO L175 Difference]: Start difference. First operand has 269 places, 272 transitions, 556 flow. Second operand 3 states and 769 transitions. [2022-11-20 12:37:56,521 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 244 places, 238 transitions, 530 flow [2022-11-20 12:37:56,526 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 240 places, 238 transitions, 522 flow, removed 0 selfloop flow, removed 4 redundant places. [2022-11-20 12:37:56,533 INFO L231 Difference]: Finished difference. Result has 240 places, 235 transitions, 478 flow [2022-11-20 12:37:56,536 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=295, PETRI_DIFFERENCE_MINUEND_FLOW=480, PETRI_DIFFERENCE_MINUEND_PLACES=238, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=238, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=236, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=478, PETRI_PLACES=240, PETRI_TRANSITIONS=235} [2022-11-20 12:37:56,540 INFO L288 CegarLoopForPetriNet]: 269 programPoint places, -29 predicate places. [2022-11-20 12:37:56,540 INFO L495 AbstractCegarLoop]: Abstraction has has 240 places, 235 transitions, 478 flow [2022-11-20 12:37:56,541 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 239.33333333333334) internal successors, (718), 3 states have internal predecessors, (718), 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) [2022-11-20 12:37:56,541 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-20 12:37:56,542 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] [2022-11-20 12:37:56,542 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-20 12:37:56,542 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err12ASSERT_VIOLATIONDATA_RACE, thread1Err13ASSERT_VIOLATIONDATA_RACE, thread1Err14ASSERT_VIOLATIONDATA_RACE (and 92 more)] === [2022-11-20 12:37:56,543 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:37:56,543 INFO L85 PathProgramCache]: Analyzing trace with hash -1387864432, now seen corresponding path program 1 times [2022-11-20 12:37:56,543 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:37:56,544 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1314833580] [2022-11-20 12:37:56,544 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:37:56,544 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:37:56,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:37:56,619 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 12:37:56,620 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 12:37:56,620 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1314833580] [2022-11-20 12:37:56,620 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1314833580] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 12:37:56,621 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 12:37:56,621 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 12:37:56,621 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [772540896] [2022-11-20 12:37:56,621 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 12:37:56,623 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 12:37:56,623 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 12:37:56,624 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 12:37:56,624 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 12:37:56,626 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 238 out of 295 [2022-11-20 12:37:56,627 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 240 places, 235 transitions, 478 flow. Second operand has 3 states, 3 states have (on average 239.33333333333334) internal successors, (718), 3 states have internal predecessors, (718), 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) [2022-11-20 12:37:56,628 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-20 12:37:56,628 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 238 of 295 [2022-11-20 12:37:56,628 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-20 12:37:56,768 INFO L130 PetriNetUnfolder]: 16/328 cut-off events. [2022-11-20 12:37:56,769 INFO L131 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2022-11-20 12:37:56,772 INFO L83 FinitePrefix]: Finished finitePrefix Result has 384 conditions, 328 events. 16/328 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 807 event pairs, 11 based on Foata normal form. 0/272 useless extension candidates. Maximal degree in co-relation 349. Up to 43 conditions per place. [2022-11-20 12:37:56,774 INFO L137 encePairwiseOnDemand]: 292/295 looper letters, 18 selfloop transitions, 2 changer transitions 0/234 dead transitions. [2022-11-20 12:37:56,774 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 238 places, 234 transitions, 516 flow [2022-11-20 12:37:56,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 12:37:56,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-20 12:37:56,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 735 transitions. [2022-11-20 12:37:56,779 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8305084745762712 [2022-11-20 12:37:56,779 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 735 transitions. [2022-11-20 12:37:56,779 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 735 transitions. [2022-11-20 12:37:56,780 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 12:37:56,780 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 735 transitions. [2022-11-20 12:37:56,782 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 245.0) internal successors, (735), 3 states have internal predecessors, (735), 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) [2022-11-20 12:37:56,786 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 295.0) internal successors, (1180), 4 states have internal predecessors, (1180), 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) [2022-11-20 12:37:56,787 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 295.0) internal successors, (1180), 4 states have internal predecessors, (1180), 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) [2022-11-20 12:37:56,787 INFO L175 Difference]: Start difference. First operand has 240 places, 235 transitions, 478 flow. Second operand 3 states and 735 transitions. [2022-11-20 12:37:56,787 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 238 places, 234 transitions, 516 flow [2022-11-20 12:37:56,791 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 236 places, 234 transitions, 512 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-20 12:37:56,799 INFO L231 Difference]: Finished difference. Result has 236 places, 234 transitions, 476 flow [2022-11-20 12:37:56,800 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=295, PETRI_DIFFERENCE_MINUEND_FLOW=472, PETRI_DIFFERENCE_MINUEND_PLACES=234, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=234, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=232, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=476, PETRI_PLACES=236, PETRI_TRANSITIONS=234} [2022-11-20 12:37:56,801 INFO L288 CegarLoopForPetriNet]: 269 programPoint places, -33 predicate places. [2022-11-20 12:37:56,801 INFO L495 AbstractCegarLoop]: Abstraction has has 236 places, 234 transitions, 476 flow [2022-11-20 12:37:56,803 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 239.33333333333334) internal successors, (718), 3 states have internal predecessors, (718), 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) [2022-11-20 12:37:56,803 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-20 12:37:56,803 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] [2022-11-20 12:37:56,803 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-20 12:37:56,804 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err12ASSERT_VIOLATIONDATA_RACE, thread1Err13ASSERT_VIOLATIONDATA_RACE, thread1Err14ASSERT_VIOLATIONDATA_RACE (and 92 more)] === [2022-11-20 12:37:56,805 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:37:56,805 INFO L85 PathProgramCache]: Analyzing trace with hash 2107305353, now seen corresponding path program 1 times [2022-11-20 12:37:56,805 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:37:56,805 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1705987966] [2022-11-20 12:37:56,806 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:37:56,807 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:37:56,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:37:56,943 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 12:37:56,944 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 12:37:56,944 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1705987966] [2022-11-20 12:37:56,944 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1705987966] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 12:37:56,945 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 12:37:56,946 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 12:37:56,947 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1984365889] [2022-11-20 12:37:56,947 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 12:37:56,948 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 12:37:56,948 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 12:37:56,949 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 12:37:56,949 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 12:37:56,951 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 244 out of 295 [2022-11-20 12:37:56,952 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 236 places, 234 transitions, 476 flow. Second operand has 3 states, 3 states have (on average 245.33333333333334) internal successors, (736), 3 states have internal predecessors, (736), 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) [2022-11-20 12:37:56,952 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-20 12:37:56,952 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 244 of 295 [2022-11-20 12:37:56,953 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-20 12:37:57,062 INFO L130 PetriNetUnfolder]: 12/323 cut-off events. [2022-11-20 12:37:57,062 INFO L131 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2022-11-20 12:37:57,064 INFO L83 FinitePrefix]: Finished finitePrefix Result has 361 conditions, 323 events. 12/323 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 741 event pairs, 5 based on Foata normal form. 0/274 useless extension candidates. Maximal degree in co-relation 319. Up to 28 conditions per place. [2022-11-20 12:37:57,066 INFO L137 encePairwiseOnDemand]: 292/295 looper letters, 13 selfloop transitions, 2 changer transitions 0/233 dead transitions. [2022-11-20 12:37:57,066 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 237 places, 233 transitions, 504 flow [2022-11-20 12:37:57,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 12:37:57,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-20 12:37:57,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 748 transitions. [2022-11-20 12:37:57,071 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8451977401129943 [2022-11-20 12:37:57,071 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 748 transitions. [2022-11-20 12:37:57,073 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 748 transitions. [2022-11-20 12:37:57,074 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 12:37:57,074 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 748 transitions. [2022-11-20 12:37:57,077 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 249.33333333333334) internal successors, (748), 3 states have internal predecessors, (748), 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) [2022-11-20 12:37:57,079 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 295.0) internal successors, (1180), 4 states have internal predecessors, (1180), 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) [2022-11-20 12:37:57,081 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 295.0) internal successors, (1180), 4 states have internal predecessors, (1180), 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) [2022-11-20 12:37:57,081 INFO L175 Difference]: Start difference. First operand has 236 places, 234 transitions, 476 flow. Second operand 3 states and 748 transitions. [2022-11-20 12:37:57,081 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 237 places, 233 transitions, 504 flow [2022-11-20 12:37:57,083 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 235 places, 233 transitions, 500 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-20 12:37:57,087 INFO L231 Difference]: Finished difference. Result has 235 places, 233 transitions, 474 flow [2022-11-20 12:37:57,088 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=295, PETRI_DIFFERENCE_MINUEND_FLOW=470, PETRI_DIFFERENCE_MINUEND_PLACES=233, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=233, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=231, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=474, PETRI_PLACES=235, PETRI_TRANSITIONS=233} [2022-11-20 12:37:57,091 INFO L288 CegarLoopForPetriNet]: 269 programPoint places, -34 predicate places. [2022-11-20 12:37:57,091 INFO L495 AbstractCegarLoop]: Abstraction has has 235 places, 233 transitions, 474 flow [2022-11-20 12:37:57,092 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 245.33333333333334) internal successors, (736), 3 states have internal predecessors, (736), 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) [2022-11-20 12:37:57,093 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-20 12:37:57,093 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] [2022-11-20 12:37:57,093 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-20 12:37:57,093 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err12ASSERT_VIOLATIONDATA_RACE, thread1Err13ASSERT_VIOLATIONDATA_RACE, thread1Err14ASSERT_VIOLATIONDATA_RACE (and 92 more)] === [2022-11-20 12:37:57,094 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:37:57,095 INFO L85 PathProgramCache]: Analyzing trace with hash 293439820, now seen corresponding path program 1 times [2022-11-20 12:37:57,095 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:37:57,096 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2136740891] [2022-11-20 12:37:57,096 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:37:57,097 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:37:57,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:37:57,184 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 12:37:57,185 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 12:37:57,185 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2136740891] [2022-11-20 12:37:57,185 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2136740891] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 12:37:57,186 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 12:37:57,186 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 12:37:57,186 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [737182871] [2022-11-20 12:37:57,186 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 12:37:57,187 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 12:37:57,187 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 12:37:57,188 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 12:37:57,188 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 12:37:57,189 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 244 out of 295 [2022-11-20 12:37:57,191 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 235 places, 233 transitions, 474 flow. Second operand has 3 states, 3 states have (on average 245.33333333333334) internal successors, (736), 3 states have internal predecessors, (736), 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) [2022-11-20 12:37:57,191 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-20 12:37:57,191 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 244 of 295 [2022-11-20 12:37:57,191 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-20 12:37:57,290 INFO L130 PetriNetUnfolder]: 12/322 cut-off events. [2022-11-20 12:37:57,290 INFO L131 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2022-11-20 12:37:57,292 INFO L83 FinitePrefix]: Finished finitePrefix Result has 360 conditions, 322 events. 12/322 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 750 event pairs, 5 based on Foata normal form. 0/274 useless extension candidates. Maximal degree in co-relation 311. Up to 28 conditions per place. [2022-11-20 12:37:57,294 INFO L137 encePairwiseOnDemand]: 292/295 looper letters, 13 selfloop transitions, 2 changer transitions 0/232 dead transitions. [2022-11-20 12:37:57,294 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 236 places, 232 transitions, 502 flow [2022-11-20 12:37:57,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 12:37:57,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-20 12:37:57,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 748 transitions. [2022-11-20 12:37:57,297 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8451977401129943 [2022-11-20 12:37:57,298 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 748 transitions. [2022-11-20 12:37:57,298 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 748 transitions. [2022-11-20 12:37:57,299 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 12:37:57,299 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 748 transitions. [2022-11-20 12:37:57,301 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 249.33333333333334) internal successors, (748), 3 states have internal predecessors, (748), 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) [2022-11-20 12:37:57,304 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 295.0) internal successors, (1180), 4 states have internal predecessors, (1180), 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) [2022-11-20 12:37:57,305 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 295.0) internal successors, (1180), 4 states have internal predecessors, (1180), 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) [2022-11-20 12:37:57,305 INFO L175 Difference]: Start difference. First operand has 235 places, 233 transitions, 474 flow. Second operand 3 states and 748 transitions. [2022-11-20 12:37:57,306 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 236 places, 232 transitions, 502 flow [2022-11-20 12:37:57,308 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 234 places, 232 transitions, 498 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-20 12:37:57,311 INFO L231 Difference]: Finished difference. Result has 234 places, 232 transitions, 472 flow [2022-11-20 12:37:57,312 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=295, PETRI_DIFFERENCE_MINUEND_FLOW=468, PETRI_DIFFERENCE_MINUEND_PLACES=232, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=232, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=230, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=472, PETRI_PLACES=234, PETRI_TRANSITIONS=232} [2022-11-20 12:37:57,313 INFO L288 CegarLoopForPetriNet]: 269 programPoint places, -35 predicate places. [2022-11-20 12:37:57,313 INFO L495 AbstractCegarLoop]: Abstraction has has 234 places, 232 transitions, 472 flow [2022-11-20 12:37:57,314 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 245.33333333333334) internal successors, (736), 3 states have internal predecessors, (736), 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) [2022-11-20 12:37:57,315 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-20 12:37:57,315 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] [2022-11-20 12:37:57,315 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-20 12:37:57,315 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err12ASSERT_VIOLATIONDATA_RACE, thread1Err13ASSERT_VIOLATIONDATA_RACE, thread1Err14ASSERT_VIOLATIONDATA_RACE (and 92 more)] === [2022-11-20 12:37:57,316 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:37:57,316 INFO L85 PathProgramCache]: Analyzing trace with hash -1684288430, now seen corresponding path program 1 times [2022-11-20 12:37:57,316 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:37:57,317 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1299590312] [2022-11-20 12:37:57,317 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:37:57,317 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:37:57,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:37:57,383 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 12:37:57,384 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 12:37:57,384 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1299590312] [2022-11-20 12:37:57,384 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1299590312] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 12:37:57,385 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 12:37:57,385 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 12:37:57,385 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1825798291] [2022-11-20 12:37:57,385 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 12:37:57,386 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 12:37:57,386 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 12:37:57,387 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 12:37:57,387 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 12:37:57,388 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 247 out of 295 [2022-11-20 12:37:57,390 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 234 places, 232 transitions, 472 flow. Second operand has 3 states, 3 states have (on average 248.33333333333334) internal successors, (745), 3 states have internal predecessors, (745), 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) [2022-11-20 12:37:57,390 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-20 12:37:57,390 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 247 of 295 [2022-11-20 12:37:57,390 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-20 12:37:57,494 INFO L130 PetriNetUnfolder]: 15/344 cut-off events. [2022-11-20 12:37:57,494 INFO L131 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2022-11-20 12:37:57,496 INFO L83 FinitePrefix]: Finished finitePrefix Result has 382 conditions, 344 events. 15/344 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 871 event pairs, 2 based on Foata normal form. 0/293 useless extension candidates. Maximal degree in co-relation 325. Up to 17 conditions per place. [2022-11-20 12:37:57,498 INFO L137 encePairwiseOnDemand]: 292/295 looper letters, 13 selfloop transitions, 2 changer transitions 0/235 dead transitions. [2022-11-20 12:37:57,498 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 235 places, 235 transitions, 509 flow [2022-11-20 12:37:57,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 12:37:57,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-20 12:37:57,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 757 transitions. [2022-11-20 12:37:57,501 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8553672316384181 [2022-11-20 12:37:57,502 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 757 transitions. [2022-11-20 12:37:57,502 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 757 transitions. [2022-11-20 12:37:57,503 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 12:37:57,503 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 757 transitions. [2022-11-20 12:37:57,505 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 252.33333333333334) internal successors, (757), 3 states have internal predecessors, (757), 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) [2022-11-20 12:37:57,508 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 295.0) internal successors, (1180), 4 states have internal predecessors, (1180), 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) [2022-11-20 12:37:57,509 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 295.0) internal successors, (1180), 4 states have internal predecessors, (1180), 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) [2022-11-20 12:37:57,509 INFO L175 Difference]: Start difference. First operand has 234 places, 232 transitions, 472 flow. Second operand 3 states and 757 transitions. [2022-11-20 12:37:57,509 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 235 places, 235 transitions, 509 flow [2022-11-20 12:37:57,511 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 233 places, 235 transitions, 505 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-20 12:37:57,515 INFO L231 Difference]: Finished difference. Result has 234 places, 232 transitions, 476 flow [2022-11-20 12:37:57,516 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=295, PETRI_DIFFERENCE_MINUEND_FLOW=466, PETRI_DIFFERENCE_MINUEND_PLACES=231, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=231, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=229, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=476, PETRI_PLACES=234, PETRI_TRANSITIONS=232} [2022-11-20 12:37:57,517 INFO L288 CegarLoopForPetriNet]: 269 programPoint places, -35 predicate places. [2022-11-20 12:37:57,517 INFO L495 AbstractCegarLoop]: Abstraction has has 234 places, 232 transitions, 476 flow [2022-11-20 12:37:57,518 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 248.33333333333334) internal successors, (745), 3 states have internal predecessors, (745), 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) [2022-11-20 12:37:57,518 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-20 12:37:57,519 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] [2022-11-20 12:37:57,519 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-20 12:37:57,519 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err12ASSERT_VIOLATIONDATA_RACE, thread1Err13ASSERT_VIOLATIONDATA_RACE, thread1Err14ASSERT_VIOLATIONDATA_RACE (and 92 more)] === [2022-11-20 12:37:57,520 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:37:57,520 INFO L85 PathProgramCache]: Analyzing trace with hash -1762475270, now seen corresponding path program 1 times [2022-11-20 12:37:57,520 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:37:57,521 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [912852347] [2022-11-20 12:37:57,521 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:37:57,521 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:37:57,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:37:57,571 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 12:37:57,571 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 12:37:57,571 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [912852347] [2022-11-20 12:37:57,572 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [912852347] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 12:37:57,572 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 12:37:57,572 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 12:37:57,572 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2060687935] [2022-11-20 12:37:57,573 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 12:37:57,573 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 12:37:57,574 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 12:37:57,574 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 12:37:57,574 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 12:37:57,576 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 247 out of 295 [2022-11-20 12:37:57,577 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 234 places, 232 transitions, 476 flow. Second operand has 3 states, 3 states have (on average 248.33333333333334) internal successors, (745), 3 states have internal predecessors, (745), 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) [2022-11-20 12:37:57,577 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-20 12:37:57,578 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 247 of 295 [2022-11-20 12:37:57,578 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-20 12:37:57,692 INFO L130 PetriNetUnfolder]: 15/325 cut-off events. [2022-11-20 12:37:57,692 INFO L131 PetriNetUnfolder]: For 12/12 co-relation queries the response was YES. [2022-11-20 12:37:57,694 INFO L83 FinitePrefix]: Finished finitePrefix Result has 376 conditions, 325 events. 15/325 cut-off events. For 12/12 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 762 event pairs, 5 based on Foata normal form. 0/277 useless extension candidates. Maximal degree in co-relation 197. Up to 29 conditions per place. [2022-11-20 12:37:57,696 INFO L137 encePairwiseOnDemand]: 292/295 looper letters, 11 selfloop transitions, 2 changer transitions 0/231 dead transitions. [2022-11-20 12:37:57,696 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 235 places, 231 transitions, 500 flow [2022-11-20 12:37:57,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 12:37:57,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-20 12:37:57,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 754 transitions. [2022-11-20 12:37:57,699 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8519774011299435 [2022-11-20 12:37:57,700 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 754 transitions. [2022-11-20 12:37:57,700 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 754 transitions. [2022-11-20 12:37:57,701 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 12:37:57,701 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 754 transitions. [2022-11-20 12:37:57,703 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 251.33333333333334) internal successors, (754), 3 states have internal predecessors, (754), 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) [2022-11-20 12:37:57,706 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 295.0) internal successors, (1180), 4 states have internal predecessors, (1180), 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) [2022-11-20 12:37:57,707 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 295.0) internal successors, (1180), 4 states have internal predecessors, (1180), 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) [2022-11-20 12:37:57,707 INFO L175 Difference]: Start difference. First operand has 234 places, 232 transitions, 476 flow. Second operand 3 states and 754 transitions. [2022-11-20 12:37:57,707 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 235 places, 231 transitions, 500 flow [2022-11-20 12:37:57,710 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 234 places, 231 transitions, 498 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-11-20 12:37:57,713 INFO L231 Difference]: Finished difference. Result has 234 places, 231 transitions, 476 flow [2022-11-20 12:37:57,714 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=295, PETRI_DIFFERENCE_MINUEND_FLOW=472, PETRI_DIFFERENCE_MINUEND_PLACES=232, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=231, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=229, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=476, PETRI_PLACES=234, PETRI_TRANSITIONS=231} [2022-11-20 12:37:57,715 INFO L288 CegarLoopForPetriNet]: 269 programPoint places, -35 predicate places. [2022-11-20 12:37:57,715 INFO L495 AbstractCegarLoop]: Abstraction has has 234 places, 231 transitions, 476 flow [2022-11-20 12:37:57,716 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 248.33333333333334) internal successors, (745), 3 states have internal predecessors, (745), 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) [2022-11-20 12:37:57,716 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-20 12:37:57,716 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] [2022-11-20 12:37:57,717 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-20 12:37:57,717 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err12ASSERT_VIOLATIONDATA_RACE, thread1Err13ASSERT_VIOLATIONDATA_RACE, thread1Err14ASSERT_VIOLATIONDATA_RACE (and 92 more)] === [2022-11-20 12:37:57,717 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:37:57,718 INFO L85 PathProgramCache]: Analyzing trace with hash 75300266, now seen corresponding path program 1 times [2022-11-20 12:37:57,718 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:37:57,718 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [688982388] [2022-11-20 12:37:57,719 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:37:57,719 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:37:57,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:37:57,769 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 12:37:57,769 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 12:37:57,769 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [688982388] [2022-11-20 12:37:57,770 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [688982388] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 12:37:57,770 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 12:37:57,770 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 12:37:57,770 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1699762437] [2022-11-20 12:37:57,771 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 12:37:57,771 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 12:37:57,771 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 12:37:57,772 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 12:37:57,772 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 12:37:57,774 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 247 out of 295 [2022-11-20 12:37:57,775 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 234 places, 231 transitions, 476 flow. Second operand has 3 states, 3 states have (on average 248.33333333333334) internal successors, (745), 3 states have internal predecessors, (745), 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) [2022-11-20 12:37:57,775 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-20 12:37:57,776 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 247 of 295 [2022-11-20 12:37:57,776 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-20 12:37:57,867 INFO L130 PetriNetUnfolder]: 15/324 cut-off events. [2022-11-20 12:37:57,867 INFO L131 PetriNetUnfolder]: For 11/11 co-relation queries the response was YES. [2022-11-20 12:37:57,869 INFO L83 FinitePrefix]: Finished finitePrefix Result has 372 conditions, 324 events. 15/324 cut-off events. For 11/11 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 757 event pairs, 5 based on Foata normal form. 0/277 useless extension candidates. Maximal degree in co-relation 306. Up to 27 conditions per place. [2022-11-20 12:37:57,871 INFO L137 encePairwiseOnDemand]: 293/295 looper letters, 11 selfloop transitions, 1 changer transitions 0/230 dead transitions. [2022-11-20 12:37:57,871 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 235 places, 230 transitions, 498 flow [2022-11-20 12:37:57,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 12:37:57,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-20 12:37:57,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 753 transitions. [2022-11-20 12:37:57,874 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8508474576271187 [2022-11-20 12:37:57,875 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 753 transitions. [2022-11-20 12:37:57,875 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 753 transitions. [2022-11-20 12:37:57,875 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 12:37:57,876 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 753 transitions. [2022-11-20 12:37:57,878 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 251.0) internal successors, (753), 3 states have internal predecessors, (753), 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) [2022-11-20 12:37:57,880 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 295.0) internal successors, (1180), 4 states have internal predecessors, (1180), 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) [2022-11-20 12:37:57,881 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 295.0) internal successors, (1180), 4 states have internal predecessors, (1180), 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) [2022-11-20 12:37:57,882 INFO L175 Difference]: Start difference. First operand has 234 places, 231 transitions, 476 flow. Second operand 3 states and 753 transitions. [2022-11-20 12:37:57,882 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 235 places, 230 transitions, 498 flow [2022-11-20 12:37:57,884 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 233 places, 230 transitions, 494 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-20 12:37:57,888 INFO L231 Difference]: Finished difference. Result has 233 places, 230 transitions, 472 flow [2022-11-20 12:37:57,888 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=295, PETRI_DIFFERENCE_MINUEND_FLOW=470, PETRI_DIFFERENCE_MINUEND_PLACES=231, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=230, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=229, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=472, PETRI_PLACES=233, PETRI_TRANSITIONS=230} [2022-11-20 12:37:57,889 INFO L288 CegarLoopForPetriNet]: 269 programPoint places, -36 predicate places. [2022-11-20 12:37:57,890 INFO L495 AbstractCegarLoop]: Abstraction has has 233 places, 230 transitions, 472 flow [2022-11-20 12:37:57,890 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 248.33333333333334) internal successors, (745), 3 states have internal predecessors, (745), 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) [2022-11-20 12:37:57,891 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-20 12:37:57,891 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] [2022-11-20 12:37:57,891 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-20 12:37:57,892 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err12ASSERT_VIOLATIONDATA_RACE, thread1Err13ASSERT_VIOLATIONDATA_RACE, thread1Err14ASSERT_VIOLATIONDATA_RACE (and 92 more)] === [2022-11-20 12:37:57,892 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:37:57,892 INFO L85 PathProgramCache]: Analyzing trace with hash -372328014, now seen corresponding path program 1 times [2022-11-20 12:37:57,893 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:37:57,893 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1182140762] [2022-11-20 12:37:57,893 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:37:57,893 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:37:57,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:37:57,969 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 12:37:57,969 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 12:37:57,970 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1182140762] [2022-11-20 12:37:57,970 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1182140762] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 12:37:57,970 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 12:37:57,971 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 12:37:57,971 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1531036725] [2022-11-20 12:37:57,971 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 12:37:57,972 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 12:37:57,972 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 12:37:57,973 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 12:37:57,973 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 12:37:57,974 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 247 out of 295 [2022-11-20 12:37:57,976 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 233 places, 230 transitions, 472 flow. Second operand has 3 states, 3 states have (on average 248.33333333333334) internal successors, (745), 3 states have internal predecessors, (745), 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) [2022-11-20 12:37:57,976 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-20 12:37:57,976 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 247 of 295 [2022-11-20 12:37:57,976 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-20 12:37:58,073 INFO L130 PetriNetUnfolder]: 15/323 cut-off events. [2022-11-20 12:37:58,073 INFO L131 PetriNetUnfolder]: For 11/11 co-relation queries the response was YES. [2022-11-20 12:37:58,075 INFO L83 FinitePrefix]: Finished finitePrefix Result has 371 conditions, 323 events. 15/323 cut-off events. For 11/11 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 755 event pairs, 5 based on Foata normal form. 0/277 useless extension candidates. Maximal degree in co-relation 306. Up to 29 conditions per place. [2022-11-20 12:37:58,077 INFO L137 encePairwiseOnDemand]: 292/295 looper letters, 11 selfloop transitions, 2 changer transitions 0/229 dead transitions. [2022-11-20 12:37:58,077 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 234 places, 229 transitions, 496 flow [2022-11-20 12:37:58,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 12:37:58,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-20 12:37:58,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 754 transitions. [2022-11-20 12:37:58,080 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8519774011299435 [2022-11-20 12:37:58,080 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 754 transitions. [2022-11-20 12:37:58,081 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 754 transitions. [2022-11-20 12:37:58,081 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 12:37:58,082 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 754 transitions. [2022-11-20 12:37:58,084 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 251.33333333333334) internal successors, (754), 3 states have internal predecessors, (754), 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) [2022-11-20 12:37:58,086 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 295.0) internal successors, (1180), 4 states have internal predecessors, (1180), 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) [2022-11-20 12:37:58,086 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 295.0) internal successors, (1180), 4 states have internal predecessors, (1180), 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) [2022-11-20 12:37:58,087 INFO L175 Difference]: Start difference. First operand has 233 places, 230 transitions, 472 flow. Second operand 3 states and 754 transitions. [2022-11-20 12:37:58,087 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 234 places, 229 transitions, 496 flow [2022-11-20 12:37:58,089 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 233 places, 229 transitions, 495 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-11-20 12:37:58,093 INFO L231 Difference]: Finished difference. Result has 233 places, 229 transitions, 473 flow [2022-11-20 12:37:58,093 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=295, PETRI_DIFFERENCE_MINUEND_FLOW=469, PETRI_DIFFERENCE_MINUEND_PLACES=231, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=229, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=227, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=473, PETRI_PLACES=233, PETRI_TRANSITIONS=229} [2022-11-20 12:37:58,094 INFO L288 CegarLoopForPetriNet]: 269 programPoint places, -36 predicate places. [2022-11-20 12:37:58,094 INFO L495 AbstractCegarLoop]: Abstraction has has 233 places, 229 transitions, 473 flow [2022-11-20 12:37:58,095 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 248.33333333333334) internal successors, (745), 3 states have internal predecessors, (745), 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) [2022-11-20 12:37:58,095 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-20 12:37:58,096 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] [2022-11-20 12:37:58,096 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-20 12:37:58,096 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err12ASSERT_VIOLATIONDATA_RACE, thread1Err13ASSERT_VIOLATIONDATA_RACE, thread1Err14ASSERT_VIOLATIONDATA_RACE (and 92 more)] === [2022-11-20 12:37:58,097 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:37:58,097 INFO L85 PathProgramCache]: Analyzing trace with hash 760866356, now seen corresponding path program 1 times [2022-11-20 12:37:58,097 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:37:58,098 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1033068837] [2022-11-20 12:37:58,098 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:37:58,098 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:37:58,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:37:58,811 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 12:37:58,811 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 12:37:58,812 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1033068837] [2022-11-20 12:37:58,812 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1033068837] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 12:37:58,812 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 12:37:58,813 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-20 12:37:58,813 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1612659638] [2022-11-20 12:37:58,813 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 12:37:58,814 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-20 12:37:58,814 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 12:37:58,814 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-20 12:37:58,815 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-20 12:37:58,817 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 224 out of 295 [2022-11-20 12:37:58,819 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 233 places, 229 transitions, 473 flow. Second operand has 6 states, 6 states have (on average 225.83333333333334) internal successors, (1355), 6 states have internal predecessors, (1355), 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) [2022-11-20 12:37:58,819 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-20 12:37:58,819 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 224 of 295 [2022-11-20 12:37:58,820 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-20 12:37:59,147 INFO L130 PetriNetUnfolder]: 111/482 cut-off events. [2022-11-20 12:37:59,147 INFO L131 PetriNetUnfolder]: For 58/69 co-relation queries the response was YES. [2022-11-20 12:37:59,149 INFO L83 FinitePrefix]: Finished finitePrefix Result has 735 conditions, 482 events. 111/482 cut-off events. For 58/69 co-relation queries the response was YES. Maximal size of possible extension queue 30. Compared 1787 event pairs, 53 based on Foata normal form. 0/380 useless extension candidates. Maximal degree in co-relation 671. Up to 181 conditions per place. [2022-11-20 12:37:59,155 INFO L137 encePairwiseOnDemand]: 289/295 looper letters, 31 selfloop transitions, 5 changer transitions 0/228 dead transitions. [2022-11-20 12:37:59,155 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 237 places, 228 transitions, 543 flow [2022-11-20 12:37:59,156 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-20 12:37:59,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-11-20 12:37:59,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1380 transitions. [2022-11-20 12:37:59,163 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.7796610169491526 [2022-11-20 12:37:59,163 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1380 transitions. [2022-11-20 12:37:59,163 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1380 transitions. [2022-11-20 12:37:59,164 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 12:37:59,165 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1380 transitions. [2022-11-20 12:37:59,168 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 230.0) internal successors, (1380), 6 states have internal predecessors, (1380), 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) [2022-11-20 12:37:59,172 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 295.0) internal successors, (2065), 7 states have internal predecessors, (2065), 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) [2022-11-20 12:37:59,174 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 295.0) internal successors, (2065), 7 states have internal predecessors, (2065), 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) [2022-11-20 12:37:59,176 INFO L175 Difference]: Start difference. First operand has 233 places, 229 transitions, 473 flow. Second operand 6 states and 1380 transitions. [2022-11-20 12:37:59,176 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 237 places, 228 transitions, 543 flow [2022-11-20 12:37:59,181 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 235 places, 228 transitions, 539 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-20 12:37:59,185 INFO L231 Difference]: Finished difference. Result has 235 places, 228 transitions, 477 flow [2022-11-20 12:37:59,186 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=295, PETRI_DIFFERENCE_MINUEND_FLOW=467, PETRI_DIFFERENCE_MINUEND_PLACES=230, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=228, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=223, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=477, PETRI_PLACES=235, PETRI_TRANSITIONS=228} [2022-11-20 12:37:59,187 INFO L288 CegarLoopForPetriNet]: 269 programPoint places, -34 predicate places. [2022-11-20 12:37:59,187 INFO L495 AbstractCegarLoop]: Abstraction has has 235 places, 228 transitions, 477 flow [2022-11-20 12:37:59,188 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 225.83333333333334) internal successors, (1355), 6 states have internal predecessors, (1355), 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) [2022-11-20 12:37:59,190 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-20 12:37:59,191 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] [2022-11-20 12:37:59,191 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-11-20 12:37:59,191 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err12ASSERT_VIOLATIONDATA_RACE, thread1Err13ASSERT_VIOLATIONDATA_RACE, thread1Err14ASSERT_VIOLATIONDATA_RACE (and 92 more)] === [2022-11-20 12:37:59,192 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:37:59,192 INFO L85 PathProgramCache]: Analyzing trace with hash -1926648637, now seen corresponding path program 1 times [2022-11-20 12:37:59,192 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:37:59,193 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1848739482] [2022-11-20 12:37:59,193 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:37:59,193 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:37:59,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:37:59,275 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 12:37:59,275 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 12:37:59,276 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1848739482] [2022-11-20 12:37:59,281 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1848739482] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 12:37:59,282 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 12:37:59,282 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 12:37:59,282 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2065230166] [2022-11-20 12:37:59,283 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 12:37:59,283 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 12:37:59,285 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 12:37:59,287 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 12:37:59,287 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 12:37:59,288 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 241 out of 295 [2022-11-20 12:37:59,289 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 235 places, 228 transitions, 477 flow. Second operand has 3 states, 3 states have (on average 242.33333333333334) internal successors, (727), 3 states have internal predecessors, (727), 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) [2022-11-20 12:37:59,290 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-20 12:37:59,290 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 241 of 295 [2022-11-20 12:37:59,290 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-20 12:37:59,390 INFO L130 PetriNetUnfolder]: 19/321 cut-off events. [2022-11-20 12:37:59,390 INFO L131 PetriNetUnfolder]: For 15/15 co-relation queries the response was YES. [2022-11-20 12:37:59,392 INFO L83 FinitePrefix]: Finished finitePrefix Result has 390 conditions, 321 events. 19/321 cut-off events. For 15/15 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 771 event pairs, 9 based on Foata normal form. 1/275 useless extension candidates. Maximal degree in co-relation 371. Up to 38 conditions per place. [2022-11-20 12:37:59,394 INFO L137 encePairwiseOnDemand]: 291/295 looper letters, 13 selfloop transitions, 1 changer transitions 2/225 dead transitions. [2022-11-20 12:37:59,394 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 234 places, 225 transitions, 501 flow [2022-11-20 12:37:59,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 12:37:59,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-20 12:37:59,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 740 transitions. [2022-11-20 12:37:59,398 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8361581920903954 [2022-11-20 12:37:59,398 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 740 transitions. [2022-11-20 12:37:59,398 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 740 transitions. [2022-11-20 12:37:59,399 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 12:37:59,399 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 740 transitions. [2022-11-20 12:37:59,401 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 246.66666666666666) internal successors, (740), 3 states have internal predecessors, (740), 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) [2022-11-20 12:37:59,404 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 295.0) internal successors, (1180), 4 states have internal predecessors, (1180), 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) [2022-11-20 12:37:59,404 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 295.0) internal successors, (1180), 4 states have internal predecessors, (1180), 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) [2022-11-20 12:37:59,405 INFO L175 Difference]: Start difference. First operand has 235 places, 228 transitions, 477 flow. Second operand 3 states and 740 transitions. [2022-11-20 12:37:59,405 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 234 places, 225 transitions, 501 flow [2022-11-20 12:37:59,407 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 229 places, 225 transitions, 491 flow, removed 0 selfloop flow, removed 5 redundant places. [2022-11-20 12:37:59,411 INFO L231 Difference]: Finished difference. Result has 229 places, 223 transitions, 459 flow [2022-11-20 12:37:59,412 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=295, PETRI_DIFFERENCE_MINUEND_FLOW=461, PETRI_DIFFERENCE_MINUEND_PLACES=227, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=225, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=224, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=459, PETRI_PLACES=229, PETRI_TRANSITIONS=223} [2022-11-20 12:37:59,414 INFO L288 CegarLoopForPetriNet]: 269 programPoint places, -40 predicate places. [2022-11-20 12:37:59,415 INFO L495 AbstractCegarLoop]: Abstraction has has 229 places, 223 transitions, 459 flow [2022-11-20 12:37:59,417 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 242.33333333333334) internal successors, (727), 3 states have internal predecessors, (727), 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) [2022-11-20 12:37:59,417 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-20 12:37:59,417 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] [2022-11-20 12:37:59,417 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-11-20 12:37:59,418 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting thread1Err9ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err12ASSERT_VIOLATIONDATA_RACE, thread1Err13ASSERT_VIOLATIONDATA_RACE, thread1Err14ASSERT_VIOLATIONDATA_RACE (and 92 more)] === [2022-11-20 12:37:59,418 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:37:59,419 INFO L85 PathProgramCache]: Analyzing trace with hash -826208694, now seen corresponding path program 1 times [2022-11-20 12:37:59,419 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:37:59,422 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1822067864] [2022-11-20 12:37:59,422 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:37:59,422 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:37:59,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:37:59,488 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 12:37:59,489 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 12:37:59,489 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1822067864] [2022-11-20 12:37:59,489 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1822067864] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 12:37:59,489 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 12:37:59,490 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 12:37:59,490 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1723880047] [2022-11-20 12:37:59,490 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 12:37:59,491 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 12:37:59,491 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 12:37:59,492 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 12:37:59,492 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 12:37:59,493 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 238 out of 295 [2022-11-20 12:37:59,511 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 229 places, 223 transitions, 459 flow. Second operand has 3 states, 3 states have (on average 239.33333333333334) internal successors, (718), 3 states have internal predecessors, (718), 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) [2022-11-20 12:37:59,512 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-20 12:37:59,512 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 238 of 295 [2022-11-20 12:37:59,512 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-20 12:37:59,644 INFO L130 PetriNetUnfolder]: 45/338 cut-off events. [2022-11-20 12:37:59,644 INFO L131 PetriNetUnfolder]: For 31/31 co-relation queries the response was YES. [2022-11-20 12:37:59,646 INFO L83 FinitePrefix]: Finished finitePrefix Result has 474 conditions, 338 events. 45/338 cut-off events. For 31/31 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 971 event pairs, 17 based on Foata normal form. 0/293 useless extension candidates. Maximal degree in co-relation 410. Up to 62 conditions per place. [2022-11-20 12:37:59,648 INFO L137 encePairwiseOnDemand]: 287/295 looper letters, 18 selfloop transitions, 5 changer transitions 0/223 dead transitions. [2022-11-20 12:37:59,648 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 226 places, 223 transitions, 510 flow [2022-11-20 12:37:59,649 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 12:37:59,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-20 12:37:59,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 738 transitions. [2022-11-20 12:37:59,651 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8338983050847457 [2022-11-20 12:37:59,651 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 738 transitions. [2022-11-20 12:37:59,651 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 738 transitions. [2022-11-20 12:37:59,652 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 12:37:59,652 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 738 transitions. [2022-11-20 12:37:59,654 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 246.0) internal successors, (738), 3 states have internal predecessors, (738), 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) [2022-11-20 12:37:59,657 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 295.0) internal successors, (1180), 4 states have internal predecessors, (1180), 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) [2022-11-20 12:37:59,657 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 295.0) internal successors, (1180), 4 states have internal predecessors, (1180), 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) [2022-11-20 12:37:59,658 INFO L175 Difference]: Start difference. First operand has 229 places, 223 transitions, 459 flow. Second operand 3 states and 738 transitions. [2022-11-20 12:37:59,658 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 226 places, 223 transitions, 510 flow [2022-11-20 12:37:59,660 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 225 places, 223 transitions, 509 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-11-20 12:37:59,663 INFO L231 Difference]: Finished difference. Result has 225 places, 220 transitions, 462 flow [2022-11-20 12:37:59,664 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=295, PETRI_DIFFERENCE_MINUEND_FLOW=452, PETRI_DIFFERENCE_MINUEND_PLACES=223, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=220, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=215, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=462, PETRI_PLACES=225, PETRI_TRANSITIONS=220} [2022-11-20 12:37:59,665 INFO L288 CegarLoopForPetriNet]: 269 programPoint places, -44 predicate places. [2022-11-20 12:37:59,666 INFO L495 AbstractCegarLoop]: Abstraction has has 225 places, 220 transitions, 462 flow [2022-11-20 12:37:59,666 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 239.33333333333334) internal successors, (718), 3 states have internal predecessors, (718), 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) [2022-11-20 12:37:59,666 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-20 12:37:59,667 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] [2022-11-20 12:37:59,667 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-11-20 12:37:59,667 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting thread1Err10ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err12ASSERT_VIOLATIONDATA_RACE, thread1Err13ASSERT_VIOLATIONDATA_RACE, thread1Err14ASSERT_VIOLATIONDATA_RACE (and 92 more)] === [2022-11-20 12:37:59,669 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:37:59,669 INFO L85 PathProgramCache]: Analyzing trace with hash 582429869, now seen corresponding path program 1 times [2022-11-20 12:37:59,669 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:37:59,670 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1718637662] [2022-11-20 12:37:59,670 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:37:59,670 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:37:59,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:37:59,738 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 12:37:59,739 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 12:37:59,739 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1718637662] [2022-11-20 12:37:59,739 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1718637662] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 12:37:59,740 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 12:37:59,741 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 12:37:59,741 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [248794280] [2022-11-20 12:37:59,741 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 12:37:59,742 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 12:37:59,742 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 12:37:59,742 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 12:37:59,743 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 12:37:59,744 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 241 out of 295 [2022-11-20 12:37:59,745 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 225 places, 220 transitions, 462 flow. Second operand has 3 states, 3 states have (on average 243.0) internal successors, (729), 3 states have internal predecessors, (729), 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) [2022-11-20 12:37:59,745 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-20 12:37:59,745 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 241 of 295 [2022-11-20 12:37:59,746 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-20 12:37:59,892 INFO L130 PetriNetUnfolder]: 54/496 cut-off events. [2022-11-20 12:37:59,892 INFO L131 PetriNetUnfolder]: For 23/23 co-relation queries the response was YES. [2022-11-20 12:37:59,894 INFO L83 FinitePrefix]: Finished finitePrefix Result has 654 conditions, 496 events. 54/496 cut-off events. For 23/23 co-relation queries the response was YES. Maximal size of possible extension queue 19. Compared 1940 event pairs, 10 based on Foata normal form. 0/442 useless extension candidates. Maximal degree in co-relation 588. Up to 87 conditions per place. [2022-11-20 12:37:59,897 INFO L137 encePairwiseOnDemand]: 289/295 looper letters, 20 selfloop transitions, 3 changer transitions 0/224 dead transitions. [2022-11-20 12:37:59,897 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 224 places, 224 transitions, 519 flow [2022-11-20 12:37:59,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 12:37:59,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-20 12:37:59,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 748 transitions. [2022-11-20 12:37:59,901 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8451977401129943 [2022-11-20 12:37:59,901 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 748 transitions. [2022-11-20 12:37:59,901 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 748 transitions. [2022-11-20 12:37:59,902 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 12:37:59,902 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 748 transitions. [2022-11-20 12:37:59,904 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 249.33333333333334) internal successors, (748), 3 states have internal predecessors, (748), 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) [2022-11-20 12:37:59,906 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 295.0) internal successors, (1180), 4 states have internal predecessors, (1180), 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) [2022-11-20 12:37:59,907 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 295.0) internal successors, (1180), 4 states have internal predecessors, (1180), 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) [2022-11-20 12:37:59,908 INFO L175 Difference]: Start difference. First operand has 225 places, 220 transitions, 462 flow. Second operand 3 states and 748 transitions. [2022-11-20 12:37:59,908 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 224 places, 224 transitions, 519 flow [2022-11-20 12:37:59,913 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 222 places, 224 transitions, 509 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-20 12:37:59,917 INFO L231 Difference]: Finished difference. Result has 223 places, 220 transitions, 467 flow [2022-11-20 12:37:59,917 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=295, PETRI_DIFFERENCE_MINUEND_FLOW=446, PETRI_DIFFERENCE_MINUEND_PLACES=220, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=217, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=214, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=467, PETRI_PLACES=223, PETRI_TRANSITIONS=220} [2022-11-20 12:37:59,920 INFO L288 CegarLoopForPetriNet]: 269 programPoint places, -46 predicate places. [2022-11-20 12:37:59,921 INFO L495 AbstractCegarLoop]: Abstraction has has 223 places, 220 transitions, 467 flow [2022-11-20 12:37:59,921 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 243.0) internal successors, (729), 3 states have internal predecessors, (729), 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) [2022-11-20 12:37:59,921 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-20 12:37:59,922 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] [2022-11-20 12:37:59,922 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-11-20 12:37:59,922 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting thread2Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err12ASSERT_VIOLATIONDATA_RACE, thread1Err13ASSERT_VIOLATIONDATA_RACE, thread1Err14ASSERT_VIOLATIONDATA_RACE (and 92 more)] === [2022-11-20 12:37:59,923 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:37:59,923 INFO L85 PathProgramCache]: Analyzing trace with hash 1889912932, now seen corresponding path program 1 times [2022-11-20 12:37:59,923 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:37:59,923 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1750089195] [2022-11-20 12:37:59,924 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:37:59,924 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:37:59,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:37:59,984 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 12:37:59,984 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 12:37:59,991 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1750089195] [2022-11-20 12:37:59,991 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1750089195] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 12:37:59,991 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 12:37:59,992 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 12:37:59,992 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [16808822] [2022-11-20 12:37:59,992 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 12:37:59,993 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 12:37:59,993 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 12:37:59,993 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 12:37:59,993 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 12:37:59,995 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 239 out of 295 [2022-11-20 12:37:59,996 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 223 places, 220 transitions, 467 flow. Second operand has 3 states, 3 states have (on average 240.66666666666666) internal successors, (722), 3 states have internal predecessors, (722), 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) [2022-11-20 12:37:59,996 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-20 12:37:59,996 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 239 of 295 [2022-11-20 12:37:59,996 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-20 12:38:00,197 INFO L130 PetriNetUnfolder]: 111/608 cut-off events. [2022-11-20 12:38:00,197 INFO L131 PetriNetUnfolder]: For 32/32 co-relation queries the response was YES. [2022-11-20 12:38:00,200 INFO L83 FinitePrefix]: Finished finitePrefix Result has 865 conditions, 608 events. 111/608 cut-off events. For 32/32 co-relation queries the response was YES. Maximal size of possible extension queue 40. Compared 2807 event pairs, 49 based on Foata normal form. 0/527 useless extension candidates. Maximal degree in co-relation 801. Up to 177 conditions per place. [2022-11-20 12:38:00,203 INFO L137 encePairwiseOnDemand]: 292/295 looper letters, 21 selfloop transitions, 2 changer transitions 0/222 dead transitions. [2022-11-20 12:38:00,203 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 224 places, 222 transitions, 518 flow [2022-11-20 12:38:00,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 12:38:00,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-20 12:38:00,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 740 transitions. [2022-11-20 12:38:00,206 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8361581920903954 [2022-11-20 12:38:00,206 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 740 transitions. [2022-11-20 12:38:00,206 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 740 transitions. [2022-11-20 12:38:00,207 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 12:38:00,207 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 740 transitions. [2022-11-20 12:38:00,209 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 246.66666666666666) internal successors, (740), 3 states have internal predecessors, (740), 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) [2022-11-20 12:38:00,211 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 295.0) internal successors, (1180), 4 states have internal predecessors, (1180), 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) [2022-11-20 12:38:00,212 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 295.0) internal successors, (1180), 4 states have internal predecessors, (1180), 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) [2022-11-20 12:38:00,212 INFO L175 Difference]: Start difference. First operand has 223 places, 220 transitions, 467 flow. Second operand 3 states and 740 transitions. [2022-11-20 12:38:00,212 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 224 places, 222 transitions, 518 flow [2022-11-20 12:38:00,214 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 224 places, 222 transitions, 518 flow, removed 0 selfloop flow, removed 0 redundant places. [2022-11-20 12:38:00,218 INFO L231 Difference]: Finished difference. Result has 224 places, 219 transitions, 469 flow [2022-11-20 12:38:00,218 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=295, PETRI_DIFFERENCE_MINUEND_FLOW=465, PETRI_DIFFERENCE_MINUEND_PLACES=222, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=219, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=217, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=469, PETRI_PLACES=224, PETRI_TRANSITIONS=219} [2022-11-20 12:38:00,219 INFO L288 CegarLoopForPetriNet]: 269 programPoint places, -45 predicate places. [2022-11-20 12:38:00,219 INFO L495 AbstractCegarLoop]: Abstraction has has 224 places, 219 transitions, 469 flow [2022-11-20 12:38:00,220 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 240.66666666666666) internal successors, (722), 3 states have internal predecessors, (722), 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) [2022-11-20 12:38:00,220 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-20 12:38:00,220 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] [2022-11-20 12:38:00,220 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-11-20 12:38:00,221 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting thread1Err11ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err12ASSERT_VIOLATIONDATA_RACE, thread1Err13ASSERT_VIOLATIONDATA_RACE, thread1Err14ASSERT_VIOLATIONDATA_RACE (and 92 more)] === [2022-11-20 12:38:00,221 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:38:00,221 INFO L85 PathProgramCache]: Analyzing trace with hash 1724631378, now seen corresponding path program 1 times [2022-11-20 12:38:00,221 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:38:00,222 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [356370885] [2022-11-20 12:38:00,222 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:38:00,222 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:38:00,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:38:00,281 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 12:38:00,281 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 12:38:00,281 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [356370885] [2022-11-20 12:38:00,281 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [356370885] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 12:38:00,282 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 12:38:00,282 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 12:38:00,282 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [804627974] [2022-11-20 12:38:00,282 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 12:38:00,283 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 12:38:00,283 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 12:38:00,283 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 12:38:00,283 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 12:38:00,284 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 236 out of 295 [2022-11-20 12:38:00,286 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 224 places, 219 transitions, 469 flow. Second operand has 3 states, 3 states have (on average 238.33333333333334) internal successors, (715), 3 states have internal predecessors, (715), 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) [2022-11-20 12:38:00,286 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-20 12:38:00,286 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 236 of 295 [2022-11-20 12:38:00,286 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-20 12:38:00,439 INFO L130 PetriNetUnfolder]: 75/419 cut-off events. [2022-11-20 12:38:00,439 INFO L131 PetriNetUnfolder]: For 47/47 co-relation queries the response was YES. [2022-11-20 12:38:00,441 INFO L83 FinitePrefix]: Finished finitePrefix Result has 650 conditions, 419 events. 75/419 cut-off events. For 47/47 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 1489 event pairs, 35 based on Foata normal form. 0/365 useless extension candidates. Maximal degree in co-relation 585. Up to 118 conditions per place. [2022-11-20 12:38:00,444 INFO L137 encePairwiseOnDemand]: 292/295 looper letters, 22 selfloop transitions, 2 changer transitions 0/221 dead transitions. [2022-11-20 12:38:00,444 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 225 places, 221 transitions, 526 flow [2022-11-20 12:38:00,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 12:38:00,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-20 12:38:00,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 731 transitions. [2022-11-20 12:38:00,447 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8259887005649718 [2022-11-20 12:38:00,447 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 731 transitions. [2022-11-20 12:38:00,447 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 731 transitions. [2022-11-20 12:38:00,448 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 12:38:00,448 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 731 transitions. [2022-11-20 12:38:00,450 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 243.66666666666666) internal successors, (731), 3 states have internal predecessors, (731), 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) [2022-11-20 12:38:00,452 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 295.0) internal successors, (1180), 4 states have internal predecessors, (1180), 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) [2022-11-20 12:38:00,453 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 295.0) internal successors, (1180), 4 states have internal predecessors, (1180), 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) [2022-11-20 12:38:00,453 INFO L175 Difference]: Start difference. First operand has 224 places, 219 transitions, 469 flow. Second operand 3 states and 731 transitions. [2022-11-20 12:38:00,453 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 225 places, 221 transitions, 526 flow [2022-11-20 12:38:00,455 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 223 places, 221 transitions, 522 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-20 12:38:00,458 INFO L231 Difference]: Finished difference. Result has 223 places, 218 transitions, 467 flow [2022-11-20 12:38:00,459 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=295, PETRI_DIFFERENCE_MINUEND_FLOW=463, PETRI_DIFFERENCE_MINUEND_PLACES=221, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=218, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=216, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=467, PETRI_PLACES=223, PETRI_TRANSITIONS=218} [2022-11-20 12:38:00,460 INFO L288 CegarLoopForPetriNet]: 269 programPoint places, -46 predicate places. [2022-11-20 12:38:00,460 INFO L495 AbstractCegarLoop]: Abstraction has has 223 places, 218 transitions, 467 flow [2022-11-20 12:38:00,460 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 238.33333333333334) internal successors, (715), 3 states have internal predecessors, (715), 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) [2022-11-20 12:38:00,461 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-20 12:38:00,461 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] [2022-11-20 12:38:00,461 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-11-20 12:38:00,461 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting thread1Err22ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err12ASSERT_VIOLATIONDATA_RACE, thread1Err13ASSERT_VIOLATIONDATA_RACE, thread1Err14ASSERT_VIOLATIONDATA_RACE (and 92 more)] === [2022-11-20 12:38:00,462 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:38:00,462 INFO L85 PathProgramCache]: Analyzing trace with hash -1000102319, now seen corresponding path program 1 times [2022-11-20 12:38:00,462 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:38:00,462 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1344135894] [2022-11-20 12:38:00,462 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:38:00,463 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:38:00,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:38:00,520 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 12:38:00,520 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 12:38:00,520 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1344135894] [2022-11-20 12:38:00,521 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1344135894] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 12:38:00,521 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 12:38:00,521 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 12:38:00,521 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1699059201] [2022-11-20 12:38:00,521 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 12:38:00,522 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 12:38:00,522 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 12:38:00,522 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 12:38:00,523 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 12:38:00,524 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 236 out of 295 [2022-11-20 12:38:00,525 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 223 places, 218 transitions, 467 flow. Second operand has 3 states, 3 states have (on average 238.33333333333334) internal successors, (715), 3 states have internal predecessors, (715), 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) [2022-11-20 12:38:00,526 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-20 12:38:00,526 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 236 of 295 [2022-11-20 12:38:00,526 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-20 12:38:00,722 INFO L130 PetriNetUnfolder]: 72/413 cut-off events. [2022-11-20 12:38:00,722 INFO L131 PetriNetUnfolder]: For 48/48 co-relation queries the response was YES. [2022-11-20 12:38:00,724 INFO L83 FinitePrefix]: Finished finitePrefix Result has 639 conditions, 413 events. 72/413 cut-off events. For 48/48 co-relation queries the response was YES. Maximal size of possible extension queue 20. Compared 1421 event pairs, 33 based on Foata normal form. 0/363 useless extension candidates. Maximal degree in co-relation 574. Up to 112 conditions per place. [2022-11-20 12:38:00,727 INFO L137 encePairwiseOnDemand]: 292/295 looper letters, 21 selfloop transitions, 2 changer transitions 0/220 dead transitions. [2022-11-20 12:38:00,727 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 224 places, 220 transitions, 522 flow [2022-11-20 12:38:00,727 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 12:38:00,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-20 12:38:00,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 730 transitions. [2022-11-20 12:38:00,730 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8248587570621468 [2022-11-20 12:38:00,730 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 730 transitions. [2022-11-20 12:38:00,730 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 730 transitions. [2022-11-20 12:38:00,731 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 12:38:00,731 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 730 transitions. [2022-11-20 12:38:00,742 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 243.33333333333334) internal successors, (730), 3 states have internal predecessors, (730), 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) [2022-11-20 12:38:00,745 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 295.0) internal successors, (1180), 4 states have internal predecessors, (1180), 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) [2022-11-20 12:38:00,746 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 295.0) internal successors, (1180), 4 states have internal predecessors, (1180), 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) [2022-11-20 12:38:00,746 INFO L175 Difference]: Start difference. First operand has 223 places, 218 transitions, 467 flow. Second operand 3 states and 730 transitions. [2022-11-20 12:38:00,746 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 224 places, 220 transitions, 522 flow [2022-11-20 12:38:00,749 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 222 places, 220 transitions, 518 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-20 12:38:00,753 INFO L231 Difference]: Finished difference. Result has 222 places, 217 transitions, 465 flow [2022-11-20 12:38:00,754 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=295, PETRI_DIFFERENCE_MINUEND_FLOW=461, PETRI_DIFFERENCE_MINUEND_PLACES=220, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=217, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=215, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=465, PETRI_PLACES=222, PETRI_TRANSITIONS=217} [2022-11-20 12:38:00,755 INFO L288 CegarLoopForPetriNet]: 269 programPoint places, -47 predicate places. [2022-11-20 12:38:00,756 INFO L495 AbstractCegarLoop]: Abstraction has has 222 places, 217 transitions, 465 flow [2022-11-20 12:38:00,756 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 238.33333333333334) internal successors, (715), 3 states have internal predecessors, (715), 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) [2022-11-20 12:38:00,756 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-20 12:38:00,757 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] [2022-11-20 12:38:00,757 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-11-20 12:38:00,757 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err12ASSERT_VIOLATIONDATA_RACE, thread1Err13ASSERT_VIOLATIONDATA_RACE, thread1Err14ASSERT_VIOLATIONDATA_RACE (and 92 more)] === [2022-11-20 12:38:00,758 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:38:00,758 INFO L85 PathProgramCache]: Analyzing trace with hash 1157260061, now seen corresponding path program 1 times [2022-11-20 12:38:00,758 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:38:00,758 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [496981251] [2022-11-20 12:38:00,758 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:38:00,759 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:38:00,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:38:01,410 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 12:38:01,411 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 12:38:01,411 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [496981251] [2022-11-20 12:38:01,414 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [496981251] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 12:38:01,414 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 12:38:01,415 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-20 12:38:01,415 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [862654306] [2022-11-20 12:38:01,415 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 12:38:01,417 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-20 12:38:01,417 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 12:38:01,417 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-20 12:38:01,418 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-20 12:38:01,420 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 229 out of 295 [2022-11-20 12:38:01,422 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 222 places, 217 transitions, 465 flow. Second operand has 6 states, 6 states have (on average 230.83333333333334) internal successors, (1385), 6 states have internal predecessors, (1385), 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) [2022-11-20 12:38:01,423 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-20 12:38:01,423 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 229 of 295 [2022-11-20 12:38:01,423 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-20 12:38:01,953 INFO L130 PetriNetUnfolder]: 193/1008 cut-off events. [2022-11-20 12:38:01,953 INFO L131 PetriNetUnfolder]: For 92/109 co-relation queries the response was YES. [2022-11-20 12:38:01,959 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1467 conditions, 1008 events. 193/1008 cut-off events. For 92/109 co-relation queries the response was YES. Maximal size of possible extension queue 43. Compared 5947 event pairs, 22 based on Foata normal form. 6/872 useless extension candidates. Maximal degree in co-relation 1400. Up to 100 conditions per place. [2022-11-20 12:38:01,965 INFO L137 encePairwiseOnDemand]: 290/295 looper letters, 40 selfloop transitions, 4 changer transitions 0/232 dead transitions. [2022-11-20 12:38:01,965 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 226 places, 232 transitions, 599 flow [2022-11-20 12:38:01,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-20 12:38:01,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-11-20 12:38:01,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1414 transitions. [2022-11-20 12:38:01,970 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.7988700564971751 [2022-11-20 12:38:01,971 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1414 transitions. [2022-11-20 12:38:01,971 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1414 transitions. [2022-11-20 12:38:01,972 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 12:38:01,972 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1414 transitions. [2022-11-20 12:38:01,976 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 235.66666666666666) internal successors, (1414), 6 states have internal predecessors, (1414), 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) [2022-11-20 12:38:01,980 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 295.0) internal successors, (2065), 7 states have internal predecessors, (2065), 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) [2022-11-20 12:38:01,981 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 295.0) internal successors, (2065), 7 states have internal predecessors, (2065), 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) [2022-11-20 12:38:01,982 INFO L175 Difference]: Start difference. First operand has 222 places, 217 transitions, 465 flow. Second operand 6 states and 1414 transitions. [2022-11-20 12:38:01,982 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 226 places, 232 transitions, 599 flow [2022-11-20 12:38:01,987 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 224 places, 232 transitions, 595 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-20 12:38:01,992 INFO L231 Difference]: Finished difference. Result has 224 places, 216 transitions, 467 flow [2022-11-20 12:38:01,993 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=295, PETRI_DIFFERENCE_MINUEND_FLOW=459, PETRI_DIFFERENCE_MINUEND_PLACES=219, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=216, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=212, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=467, PETRI_PLACES=224, PETRI_TRANSITIONS=216} [2022-11-20 12:38:01,993 INFO L288 CegarLoopForPetriNet]: 269 programPoint places, -45 predicate places. [2022-11-20 12:38:01,996 INFO L495 AbstractCegarLoop]: Abstraction has has 224 places, 216 transitions, 467 flow [2022-11-20 12:38:01,997 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 230.83333333333334) internal successors, (1385), 6 states have internal predecessors, (1385), 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) [2022-11-20 12:38:01,997 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-20 12:38:01,997 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] [2022-11-20 12:38:01,998 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-11-20 12:38:01,998 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting thread2Err11ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err12ASSERT_VIOLATIONDATA_RACE, thread1Err13ASSERT_VIOLATIONDATA_RACE, thread1Err14ASSERT_VIOLATIONDATA_RACE (and 92 more)] === [2022-11-20 12:38:01,998 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:38:01,999 INFO L85 PathProgramCache]: Analyzing trace with hash 1646324171, now seen corresponding path program 1 times [2022-11-20 12:38:01,999 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:38:01,999 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [293620395] [2022-11-20 12:38:01,999 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:38:02,000 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:38:02,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:38:02,103 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 12:38:02,103 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 12:38:02,104 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [293620395] [2022-11-20 12:38:02,104 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [293620395] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 12:38:02,104 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 12:38:02,104 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 12:38:02,104 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [651205760] [2022-11-20 12:38:02,105 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 12:38:02,105 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 12:38:02,106 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 12:38:02,106 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 12:38:02,106 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 12:38:02,107 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 241 out of 295 [2022-11-20 12:38:02,109 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 224 places, 216 transitions, 467 flow. Second operand has 3 states, 3 states have (on average 243.33333333333334) internal successors, (730), 3 states have internal predecessors, (730), 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) [2022-11-20 12:38:02,109 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-20 12:38:02,109 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 241 of 295 [2022-11-20 12:38:02,109 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-20 12:38:02,279 INFO L130 PetriNetUnfolder]: 91/566 cut-off events. [2022-11-20 12:38:02,279 INFO L131 PetriNetUnfolder]: For 28/28 co-relation queries the response was YES. [2022-11-20 12:38:02,282 INFO L83 FinitePrefix]: Finished finitePrefix Result has 786 conditions, 566 events. 91/566 cut-off events. For 28/28 co-relation queries the response was YES. Maximal size of possible extension queue 31. Compared 2384 event pairs, 34 based on Foata normal form. 1/509 useless extension candidates. Maximal degree in co-relation 721. Up to 118 conditions per place. [2022-11-20 12:38:02,285 INFO L137 encePairwiseOnDemand]: 290/295 looper letters, 16 selfloop transitions, 2 changer transitions 4/217 dead transitions. [2022-11-20 12:38:02,285 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 224 places, 217 transitions, 508 flow [2022-11-20 12:38:02,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 12:38:02,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-20 12:38:02,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 743 transitions. [2022-11-20 12:38:02,290 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8395480225988701 [2022-11-20 12:38:02,290 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 743 transitions. [2022-11-20 12:38:02,290 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 743 transitions. [2022-11-20 12:38:02,291 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 12:38:02,291 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 743 transitions. [2022-11-20 12:38:02,293 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 247.66666666666666) internal successors, (743), 3 states have internal predecessors, (743), 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) [2022-11-20 12:38:02,295 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 295.0) internal successors, (1180), 4 states have internal predecessors, (1180), 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) [2022-11-20 12:38:02,296 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 295.0) internal successors, (1180), 4 states have internal predecessors, (1180), 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) [2022-11-20 12:38:02,296 INFO L175 Difference]: Start difference. First operand has 224 places, 216 transitions, 467 flow. Second operand 3 states and 743 transitions. [2022-11-20 12:38:02,296 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 224 places, 217 transitions, 508 flow [2022-11-20 12:38:02,299 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 220 places, 217 transitions, 501 flow, removed 0 selfloop flow, removed 4 redundant places. [2022-11-20 12:38:02,303 INFO L231 Difference]: Finished difference. Result has 220 places, 210 transitions, 452 flow [2022-11-20 12:38:02,304 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=295, PETRI_DIFFERENCE_MINUEND_FLOW=456, PETRI_DIFFERENCE_MINUEND_PLACES=218, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=214, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=212, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=452, PETRI_PLACES=220, PETRI_TRANSITIONS=210} [2022-11-20 12:38:02,304 INFO L288 CegarLoopForPetriNet]: 269 programPoint places, -49 predicate places. [2022-11-20 12:38:02,305 INFO L495 AbstractCegarLoop]: Abstraction has has 220 places, 210 transitions, 452 flow [2022-11-20 12:38:02,305 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 243.33333333333334) internal successors, (730), 3 states have internal predecessors, (730), 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) [2022-11-20 12:38:02,305 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-20 12:38:02,306 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] [2022-11-20 12:38:02,306 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-11-20 12:38:02,306 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting thread2Err12ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err12ASSERT_VIOLATIONDATA_RACE, thread1Err13ASSERT_VIOLATIONDATA_RACE, thread1Err14ASSERT_VIOLATIONDATA_RACE (and 92 more)] === [2022-11-20 12:38:02,307 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:38:02,307 INFO L85 PathProgramCache]: Analyzing trace with hash 852034958, now seen corresponding path program 1 times [2022-11-20 12:38:02,307 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:38:02,307 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1291659605] [2022-11-20 12:38:02,307 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:38:02,308 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:38:02,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:38:02,388 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 12:38:02,389 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 12:38:02,389 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1291659605] [2022-11-20 12:38:02,389 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1291659605] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 12:38:02,389 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 12:38:02,389 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 12:38:02,390 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [142010961] [2022-11-20 12:38:02,390 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 12:38:02,390 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 12:38:02,391 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 12:38:02,391 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 12:38:02,392 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 12:38:02,393 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 239 out of 295 [2022-11-20 12:38:02,394 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 220 places, 210 transitions, 452 flow. Second operand has 3 states, 3 states have (on average 242.33333333333334) internal successors, (727), 3 states have internal predecessors, (727), 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) [2022-11-20 12:38:02,394 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-20 12:38:02,394 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 239 of 295 [2022-11-20 12:38:02,394 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-20 12:38:02,573 INFO L130 PetriNetUnfolder]: 101/563 cut-off events. [2022-11-20 12:38:02,573 INFO L131 PetriNetUnfolder]: For 30/30 co-relation queries the response was YES. [2022-11-20 12:38:02,576 INFO L83 FinitePrefix]: Finished finitePrefix Result has 816 conditions, 563 events. 101/563 cut-off events. For 30/30 co-relation queries the response was YES. Maximal size of possible extension queue 34. Compared 2445 event pairs, 39 based on Foata normal form. 0/513 useless extension candidates. Maximal degree in co-relation 751. Up to 137 conditions per place. [2022-11-20 12:38:02,579 INFO L137 encePairwiseOnDemand]: 292/295 looper letters, 17 selfloop transitions, 2 changer transitions 0/212 dead transitions. [2022-11-20 12:38:02,579 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 217 places, 212 transitions, 495 flow [2022-11-20 12:38:02,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 12:38:02,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-20 12:38:02,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 736 transitions. [2022-11-20 12:38:02,583 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.831638418079096 [2022-11-20 12:38:02,583 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 736 transitions. [2022-11-20 12:38:02,583 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 736 transitions. [2022-11-20 12:38:02,584 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 12:38:02,584 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 736 transitions. [2022-11-20 12:38:02,586 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 245.33333333333334) internal successors, (736), 3 states have internal predecessors, (736), 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) [2022-11-20 12:38:02,588 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 295.0) internal successors, (1180), 4 states have internal predecessors, (1180), 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) [2022-11-20 12:38:02,588 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 295.0) internal successors, (1180), 4 states have internal predecessors, (1180), 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) [2022-11-20 12:38:02,589 INFO L175 Difference]: Start difference. First operand has 220 places, 210 transitions, 452 flow. Second operand 3 states and 736 transitions. [2022-11-20 12:38:02,589 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 217 places, 212 transitions, 495 flow [2022-11-20 12:38:02,592 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 215 places, 212 transitions, 491 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-20 12:38:02,595 INFO L231 Difference]: Finished difference. Result has 215 places, 209 transitions, 450 flow [2022-11-20 12:38:02,596 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=295, PETRI_DIFFERENCE_MINUEND_FLOW=446, PETRI_DIFFERENCE_MINUEND_PLACES=213, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=209, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=207, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=450, PETRI_PLACES=215, PETRI_TRANSITIONS=209} [2022-11-20 12:38:02,596 INFO L288 CegarLoopForPetriNet]: 269 programPoint places, -54 predicate places. [2022-11-20 12:38:02,596 INFO L495 AbstractCegarLoop]: Abstraction has has 215 places, 209 transitions, 450 flow [2022-11-20 12:38:02,597 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 242.33333333333334) internal successors, (727), 3 states have internal predecessors, (727), 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) [2022-11-20 12:38:02,597 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-20 12:38:02,597 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] [2022-11-20 12:38:02,598 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-11-20 12:38:02,598 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting thread2Err13ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err12ASSERT_VIOLATIONDATA_RACE, thread1Err13ASSERT_VIOLATIONDATA_RACE, thread1Err14ASSERT_VIOLATIONDATA_RACE (and 92 more)] === [2022-11-20 12:38:02,598 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:38:02,598 INFO L85 PathProgramCache]: Analyzing trace with hash -282147570, now seen corresponding path program 1 times [2022-11-20 12:38:02,599 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:38:02,599 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1346094010] [2022-11-20 12:38:02,599 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:38:02,599 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:38:02,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:38:02,707 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 12:38:02,708 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 12:38:02,708 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1346094010] [2022-11-20 12:38:02,708 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1346094010] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 12:38:02,708 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 12:38:02,709 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 12:38:02,709 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [845516352] [2022-11-20 12:38:02,709 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 12:38:02,711 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 12:38:02,711 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 12:38:02,712 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 12:38:02,712 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 12:38:02,713 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 244 out of 295 [2022-11-20 12:38:02,714 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 215 places, 209 transitions, 450 flow. Second operand has 3 states, 3 states have (on average 245.66666666666666) internal successors, (737), 3 states have internal predecessors, (737), 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) [2022-11-20 12:38:02,714 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-20 12:38:02,715 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 244 of 295 [2022-11-20 12:38:02,715 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-20 12:38:02,878 INFO L130 PetriNetUnfolder]: 59/440 cut-off events. [2022-11-20 12:38:02,879 INFO L131 PetriNetUnfolder]: For 20/20 co-relation queries the response was YES. [2022-11-20 12:38:02,881 INFO L83 FinitePrefix]: Finished finitePrefix Result has 602 conditions, 440 events. 59/440 cut-off events. For 20/20 co-relation queries the response was YES. Maximal size of possible extension queue 20. Compared 1596 event pairs, 18 based on Foata normal form. 1/413 useless extension candidates. Maximal degree in co-relation 537. Up to 69 conditions per place. [2022-11-20 12:38:02,883 INFO L137 encePairwiseOnDemand]: 290/295 looper letters, 13 selfloop transitions, 2 changer transitions 5/210 dead transitions. [2022-11-20 12:38:02,883 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 215 places, 210 transitions, 487 flow [2022-11-20 12:38:02,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 12:38:02,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-20 12:38:02,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 750 transitions. [2022-11-20 12:38:02,886 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.847457627118644 [2022-11-20 12:38:02,886 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 750 transitions. [2022-11-20 12:38:02,886 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 750 transitions. [2022-11-20 12:38:02,887 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 12:38:02,887 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 750 transitions. [2022-11-20 12:38:02,889 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 250.0) internal successors, (750), 3 states have internal predecessors, (750), 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) [2022-11-20 12:38:02,891 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 295.0) internal successors, (1180), 4 states have internal predecessors, (1180), 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) [2022-11-20 12:38:02,892 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 295.0) internal successors, (1180), 4 states have internal predecessors, (1180), 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) [2022-11-20 12:38:02,892 INFO L175 Difference]: Start difference. First operand has 215 places, 209 transitions, 450 flow. Second operand 3 states and 750 transitions. [2022-11-20 12:38:02,893 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 215 places, 210 transitions, 487 flow [2022-11-20 12:38:02,895 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 213 places, 210 transitions, 483 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-20 12:38:02,898 INFO L231 Difference]: Finished difference. Result has 213 places, 202 transitions, 435 flow [2022-11-20 12:38:02,899 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=295, PETRI_DIFFERENCE_MINUEND_FLOW=442, PETRI_DIFFERENCE_MINUEND_PLACES=211, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=207, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=205, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=435, PETRI_PLACES=213, PETRI_TRANSITIONS=202} [2022-11-20 12:38:02,899 INFO L288 CegarLoopForPetriNet]: 269 programPoint places, -56 predicate places. [2022-11-20 12:38:02,899 INFO L495 AbstractCegarLoop]: Abstraction has has 213 places, 202 transitions, 435 flow [2022-11-20 12:38:02,900 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 245.66666666666666) internal successors, (737), 3 states have internal predecessors, (737), 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) [2022-11-20 12:38:02,900 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-20 12:38:02,900 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 12:38:02,901 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-11-20 12:38:02,901 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting thread2Err15ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err12ASSERT_VIOLATIONDATA_RACE, thread1Err13ASSERT_VIOLATIONDATA_RACE, thread1Err14ASSERT_VIOLATIONDATA_RACE (and 92 more)] === [2022-11-20 12:38:02,901 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:38:02,902 INFO L85 PathProgramCache]: Analyzing trace with hash 1355464083, now seen corresponding path program 1 times [2022-11-20 12:38:02,902 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:38:02,902 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [878444659] [2022-11-20 12:38:02,902 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:38:02,903 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:38:02,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:38:02,972 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 12:38:02,972 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 12:38:02,973 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [878444659] [2022-11-20 12:38:02,973 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [878444659] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 12:38:02,973 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 12:38:02,973 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 12:38:02,974 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2033096457] [2022-11-20 12:38:02,974 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 12:38:02,974 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 12:38:02,975 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 12:38:02,975 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 12:38:02,975 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 12:38:02,976 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 242 out of 295 [2022-11-20 12:38:02,977 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 213 places, 202 transitions, 435 flow. Second operand has 3 states, 3 states have (on average 244.66666666666666) internal successors, (734), 3 states have internal predecessors, (734), 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) [2022-11-20 12:38:02,978 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-20 12:38:02,978 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 242 of 295 [2022-11-20 12:38:02,978 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-20 12:38:03,120 INFO L130 PetriNetUnfolder]: 64/469 cut-off events. [2022-11-20 12:38:03,121 INFO L131 PetriNetUnfolder]: For 27/27 co-relation queries the response was YES. [2022-11-20 12:38:03,124 INFO L83 FinitePrefix]: Finished finitePrefix Result has 653 conditions, 469 events. 64/469 cut-off events. For 27/27 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 1770 event pairs, 25 based on Foata normal form. 0/437 useless extension candidates. Maximal degree in co-relation 588. Up to 85 conditions per place. [2022-11-20 12:38:03,126 INFO L137 encePairwiseOnDemand]: 292/295 looper letters, 14 selfloop transitions, 2 changer transitions 0/204 dead transitions. [2022-11-20 12:38:03,126 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 209 places, 204 transitions, 472 flow [2022-11-20 12:38:03,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 12:38:03,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-20 12:38:03,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 742 transitions. [2022-11-20 12:38:03,129 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8384180790960452 [2022-11-20 12:38:03,130 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 742 transitions. [2022-11-20 12:38:03,130 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 742 transitions. [2022-11-20 12:38:03,131 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 12:38:03,131 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 742 transitions. [2022-11-20 12:38:03,133 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 247.33333333333334) internal successors, (742), 3 states have internal predecessors, (742), 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) [2022-11-20 12:38:03,135 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 295.0) internal successors, (1180), 4 states have internal predecessors, (1180), 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) [2022-11-20 12:38:03,136 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 295.0) internal successors, (1180), 4 states have internal predecessors, (1180), 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) [2022-11-20 12:38:03,136 INFO L175 Difference]: Start difference. First operand has 213 places, 202 transitions, 435 flow. Second operand 3 states and 742 transitions. [2022-11-20 12:38:03,136 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 209 places, 204 transitions, 472 flow [2022-11-20 12:38:03,138 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 207 places, 204 transitions, 468 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-20 12:38:03,141 INFO L231 Difference]: Finished difference. Result has 207 places, 201 transitions, 433 flow [2022-11-20 12:38:03,142 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=295, PETRI_DIFFERENCE_MINUEND_FLOW=429, PETRI_DIFFERENCE_MINUEND_PLACES=205, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=201, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=199, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=433, PETRI_PLACES=207, PETRI_TRANSITIONS=201} [2022-11-20 12:38:03,142 INFO L288 CegarLoopForPetriNet]: 269 programPoint places, -62 predicate places. [2022-11-20 12:38:03,143 INFO L495 AbstractCegarLoop]: Abstraction has has 207 places, 201 transitions, 433 flow [2022-11-20 12:38:03,143 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 244.66666666666666) internal successors, (734), 3 states have internal predecessors, (734), 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) [2022-11-20 12:38:03,143 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-20 12:38:03,144 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] [2022-11-20 12:38:03,144 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-11-20 12:38:03,144 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err12ASSERT_VIOLATIONDATA_RACE, thread1Err13ASSERT_VIOLATIONDATA_RACE, thread1Err14ASSERT_VIOLATIONDATA_RACE (and 92 more)] === [2022-11-20 12:38:03,145 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:38:03,145 INFO L85 PathProgramCache]: Analyzing trace with hash 1664590251, now seen corresponding path program 1 times [2022-11-20 12:38:03,145 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:38:03,145 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [669923021] [2022-11-20 12:38:03,146 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:38:03,146 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:38:03,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:38:03,491 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 12:38:03,491 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 12:38:03,491 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [669923021] [2022-11-20 12:38:03,491 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [669923021] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 12:38:03,492 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 12:38:03,492 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-20 12:38:03,492 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1148001003] [2022-11-20 12:38:03,492 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 12:38:03,493 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-20 12:38:03,493 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 12:38:03,494 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-20 12:38:03,494 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-11-20 12:38:03,496 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 233 out of 295 [2022-11-20 12:38:03,498 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 207 places, 201 transitions, 433 flow. Second operand has 6 states, 6 states have (on average 235.33333333333334) internal successors, (1412), 6 states have internal predecessors, (1412), 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) [2022-11-20 12:38:03,498 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-20 12:38:03,498 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 233 of 295 [2022-11-20 12:38:03,499 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-20 12:38:03,731 INFO L130 PetriNetUnfolder]: 30/411 cut-off events. [2022-11-20 12:38:03,731 INFO L131 PetriNetUnfolder]: For 17/17 co-relation queries the response was YES. [2022-11-20 12:38:03,733 INFO L83 FinitePrefix]: Finished finitePrefix Result has 544 conditions, 411 events. 30/411 cut-off events. For 17/17 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 1147 event pairs, 9 based on Foata normal form. 5/392 useless extension candidates. Maximal degree in co-relation 477. Up to 51 conditions per place. [2022-11-20 12:38:03,735 INFO L137 encePairwiseOnDemand]: 285/295 looper letters, 29 selfloop transitions, 6 changer transitions 3/213 dead transitions. [2022-11-20 12:38:03,735 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 213 places, 213 transitions, 535 flow [2022-11-20 12:38:03,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-20 12:38:03,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2022-11-20 12:38:03,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 1671 transitions. [2022-11-20 12:38:03,740 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8092009685230024 [2022-11-20 12:38:03,741 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 1671 transitions. [2022-11-20 12:38:03,741 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 1671 transitions. [2022-11-20 12:38:03,742 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 12:38:03,742 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 1671 transitions. [2022-11-20 12:38:03,747 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 238.71428571428572) internal successors, (1671), 7 states have internal predecessors, (1671), 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) [2022-11-20 12:38:03,751 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 295.0) internal successors, (2360), 8 states have internal predecessors, (2360), 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) [2022-11-20 12:38:03,752 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 295.0) internal successors, (2360), 8 states have internal predecessors, (2360), 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) [2022-11-20 12:38:03,753 INFO L175 Difference]: Start difference. First operand has 207 places, 201 transitions, 433 flow. Second operand 7 states and 1671 transitions. [2022-11-20 12:38:03,753 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 213 places, 213 transitions, 535 flow [2022-11-20 12:38:03,755 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 211 places, 213 transitions, 531 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-20 12:38:03,759 INFO L231 Difference]: Finished difference. Result has 213 places, 202 transitions, 455 flow [2022-11-20 12:38:03,759 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=295, PETRI_DIFFERENCE_MINUEND_FLOW=429, PETRI_DIFFERENCE_MINUEND_PLACES=205, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=201, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=195, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=455, PETRI_PLACES=213, PETRI_TRANSITIONS=202} [2022-11-20 12:38:03,760 INFO L288 CegarLoopForPetriNet]: 269 programPoint places, -56 predicate places. [2022-11-20 12:38:03,760 INFO L495 AbstractCegarLoop]: Abstraction has has 213 places, 202 transitions, 455 flow [2022-11-20 12:38:03,761 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 235.33333333333334) internal successors, (1412), 6 states have internal predecessors, (1412), 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) [2022-11-20 12:38:03,761 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-20 12:38:03,761 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] [2022-11-20 12:38:03,762 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2022-11-20 12:38:03,762 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err12ASSERT_VIOLATIONDATA_RACE, thread1Err13ASSERT_VIOLATIONDATA_RACE, thread1Err14ASSERT_VIOLATIONDATA_RACE (and 92 more)] === [2022-11-20 12:38:03,762 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:38:03,763 INFO L85 PathProgramCache]: Analyzing trace with hash 1210877884, now seen corresponding path program 1 times [2022-11-20 12:38:03,763 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:38:03,763 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [454612948] [2022-11-20 12:38:03,763 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:38:03,764 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:38:03,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:38:04,541 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-20 12:38:04,542 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 12:38:04,542 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [454612948] [2022-11-20 12:38:04,542 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [454612948] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 12:38:04,542 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 12:38:04,543 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-20 12:38:04,543 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1368940474] [2022-11-20 12:38:04,543 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 12:38:04,544 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-20 12:38:04,544 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 12:38:04,544 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-20 12:38:04,545 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-20 12:38:04,547 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 229 out of 295 [2022-11-20 12:38:04,548 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 213 places, 202 transitions, 455 flow. Second operand has 6 states, 6 states have (on average 232.83333333333334) internal successors, (1397), 6 states have internal predecessors, (1397), 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) [2022-11-20 12:38:04,549 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-20 12:38:04,549 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 229 of 295 [2022-11-20 12:38:04,549 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-20 12:38:04,896 INFO L130 PetriNetUnfolder]: 153/606 cut-off events. [2022-11-20 12:38:04,897 INFO L131 PetriNetUnfolder]: For 227/245 co-relation queries the response was YES. [2022-11-20 12:38:04,900 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1113 conditions, 606 events. 153/606 cut-off events. For 227/245 co-relation queries the response was YES. Maximal size of possible extension queue 35. Compared 2855 event pairs, 94 based on Foata normal form. 0/537 useless extension candidates. Maximal degree in co-relation 1042. Up to 238 conditions per place. [2022-11-20 12:38:04,901 INFO L137 encePairwiseOnDemand]: 290/295 looper letters, 0 selfloop transitions, 0 changer transitions 209/209 dead transitions. [2022-11-20 12:38:04,901 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 216 places, 209 transitions, 561 flow [2022-11-20 12:38:04,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-20 12:38:04,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-11-20 12:38:04,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1404 transitions. [2022-11-20 12:38:04,906 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.7932203389830509 [2022-11-20 12:38:04,907 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1404 transitions. [2022-11-20 12:38:04,907 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1404 transitions. [2022-11-20 12:38:04,908 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 12:38:04,908 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1404 transitions. [2022-11-20 12:38:04,912 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 234.0) internal successors, (1404), 6 states have internal predecessors, (1404), 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) [2022-11-20 12:38:04,916 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 295.0) internal successors, (2065), 7 states have internal predecessors, (2065), 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) [2022-11-20 12:38:04,917 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 295.0) internal successors, (2065), 7 states have internal predecessors, (2065), 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) [2022-11-20 12:38:04,917 INFO L175 Difference]: Start difference. First operand has 213 places, 202 transitions, 455 flow. Second operand 6 states and 1404 transitions. [2022-11-20 12:38:04,917 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 216 places, 209 transitions, 561 flow [2022-11-20 12:38:04,920 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 212 places, 209 transitions, 551 flow, removed 0 selfloop flow, removed 4 redundant places. [2022-11-20 12:38:04,922 INFO L231 Difference]: Finished difference. Result has 212 places, 0 transitions, 0 flow [2022-11-20 12:38:04,922 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=295, PETRI_DIFFERENCE_MINUEND_FLOW=443, PETRI_DIFFERENCE_MINUEND_PLACES=207, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=201, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=201, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=0, PETRI_PLACES=212, PETRI_TRANSITIONS=0} [2022-11-20 12:38:04,923 INFO L288 CegarLoopForPetriNet]: 269 programPoint places, -57 predicate places. [2022-11-20 12:38:04,923 INFO L495 AbstractCegarLoop]: Abstraction has has 212 places, 0 transitions, 0 flow [2022-11-20 12:38:04,924 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 232.83333333333334) internal successors, (1397), 6 states have internal predecessors, (1397), 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) [2022-11-20 12:38:04,927 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (95 of 96 remaining) [2022-11-20 12:38:04,928 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err12ASSERT_VIOLATIONDATA_RACE (94 of 96 remaining) [2022-11-20 12:38:04,928 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err13ASSERT_VIOLATIONDATA_RACE (93 of 96 remaining) [2022-11-20 12:38:04,928 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err14ASSERT_VIOLATIONDATA_RACE (92 of 96 remaining) [2022-11-20 12:38:04,929 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err15ASSERT_VIOLATIONDATA_RACE (91 of 96 remaining) [2022-11-20 12:38:04,929 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err16ASSERT_VIOLATIONDATA_RACE (90 of 96 remaining) [2022-11-20 12:38:04,929 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err17ASSERT_VIOLATIONDATA_RACE (89 of 96 remaining) [2022-11-20 12:38:04,929 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err18ASSERT_VIOLATIONDATA_RACE (88 of 96 remaining) [2022-11-20 12:38:04,930 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err19ASSERT_VIOLATIONDATA_RACE (87 of 96 remaining) [2022-11-20 12:38:04,930 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (86 of 96 remaining) [2022-11-20 12:38:04,930 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (85 of 96 remaining) [2022-11-20 12:38:04,930 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (84 of 96 remaining) [2022-11-20 12:38:04,931 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (83 of 96 remaining) [2022-11-20 12:38:04,931 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (82 of 96 remaining) [2022-11-20 12:38:04,931 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (81 of 96 remaining) [2022-11-20 12:38:04,931 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (80 of 96 remaining) [2022-11-20 12:38:04,931 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (79 of 96 remaining) [2022-11-20 12:38:04,932 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err20ASSERT_VIOLATIONDATA_RACE (78 of 96 remaining) [2022-11-20 12:38:04,932 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONDATA_RACE (77 of 96 remaining) [2022-11-20 12:38:04,932 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err21ASSERT_VIOLATIONDATA_RACE (76 of 96 remaining) [2022-11-20 12:38:04,932 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err10ASSERT_VIOLATIONDATA_RACE (75 of 96 remaining) [2022-11-20 12:38:04,933 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err22ASSERT_VIOLATIONDATA_RACE (74 of 96 remaining) [2022-11-20 12:38:04,933 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err11ASSERT_VIOLATIONDATA_RACE (73 of 96 remaining) [2022-11-20 12:38:04,933 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (72 of 96 remaining) [2022-11-20 12:38:04,933 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (71 of 96 remaining) [2022-11-20 12:38:04,934 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (70 of 96 remaining) [2022-11-20 12:38:04,934 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (69 of 96 remaining) [2022-11-20 12:38:04,934 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (68 of 96 remaining) [2022-11-20 12:38:04,934 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (67 of 96 remaining) [2022-11-20 12:38:04,935 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (66 of 96 remaining) [2022-11-20 12:38:04,935 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (65 of 96 remaining) [2022-11-20 12:38:04,935 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (64 of 96 remaining) [2022-11-20 12:38:04,935 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (63 of 96 remaining) [2022-11-20 12:38:04,936 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (62 of 96 remaining) [2022-11-20 12:38:04,936 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err11ASSERT_VIOLATIONDATA_RACE (61 of 96 remaining) [2022-11-20 12:38:04,936 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err12ASSERT_VIOLATIONDATA_RACE (60 of 96 remaining) [2022-11-20 12:38:04,936 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err13ASSERT_VIOLATIONDATA_RACE (59 of 96 remaining) [2022-11-20 12:38:04,937 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err14ASSERT_VIOLATIONDATA_RACE (58 of 96 remaining) [2022-11-20 12:38:04,937 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err15ASSERT_VIOLATIONDATA_RACE (57 of 96 remaining) [2022-11-20 12:38:04,937 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (56 of 96 remaining) [2022-11-20 12:38:04,937 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (55 of 96 remaining) [2022-11-20 12:38:04,938 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (54 of 96 remaining) [2022-11-20 12:38:04,938 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (53 of 96 remaining) [2022-11-20 12:38:04,938 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (52 of 96 remaining) [2022-11-20 12:38:04,938 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (51 of 96 remaining) [2022-11-20 12:38:04,939 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (50 of 96 remaining) [2022-11-20 12:38:04,939 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (49 of 96 remaining) [2022-11-20 12:38:04,939 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (48 of 96 remaining) [2022-11-20 12:38:04,939 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (47 of 96 remaining) [2022-11-20 12:38:04,940 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (46 of 96 remaining) [2022-11-20 12:38:04,940 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (45 of 96 remaining) [2022-11-20 12:38:04,940 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE (44 of 96 remaining) [2022-11-20 12:38:04,940 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE (43 of 96 remaining) [2022-11-20 12:38:04,941 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE (42 of 96 remaining) [2022-11-20 12:38:04,941 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr15ASSERT_VIOLATIONDATA_RACE (41 of 96 remaining) [2022-11-20 12:38:04,941 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (40 of 96 remaining) [2022-11-20 12:38:04,941 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (39 of 96 remaining) [2022-11-20 12:38:04,942 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (38 of 96 remaining) [2022-11-20 12:38:04,942 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err12ASSERT_VIOLATIONDATA_RACE (37 of 96 remaining) [2022-11-20 12:38:04,942 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err13ASSERT_VIOLATIONDATA_RACE (36 of 96 remaining) [2022-11-20 12:38:04,942 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err14ASSERT_VIOLATIONDATA_RACE (35 of 96 remaining) [2022-11-20 12:38:04,943 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err15ASSERT_VIOLATIONDATA_RACE (34 of 96 remaining) [2022-11-20 12:38:04,943 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err16ASSERT_VIOLATIONDATA_RACE (33 of 96 remaining) [2022-11-20 12:38:04,943 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err17ASSERT_VIOLATIONDATA_RACE (32 of 96 remaining) [2022-11-20 12:38:04,943 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err18ASSERT_VIOLATIONDATA_RACE (31 of 96 remaining) [2022-11-20 12:38:04,944 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err19ASSERT_VIOLATIONDATA_RACE (30 of 96 remaining) [2022-11-20 12:38:04,944 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (29 of 96 remaining) [2022-11-20 12:38:04,944 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (28 of 96 remaining) [2022-11-20 12:38:04,944 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (27 of 96 remaining) [2022-11-20 12:38:04,945 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (26 of 96 remaining) [2022-11-20 12:38:04,945 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (25 of 96 remaining) [2022-11-20 12:38:04,945 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (24 of 96 remaining) [2022-11-20 12:38:04,945 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (23 of 96 remaining) [2022-11-20 12:38:04,946 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (22 of 96 remaining) [2022-11-20 12:38:04,946 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err20ASSERT_VIOLATIONDATA_RACE (21 of 96 remaining) [2022-11-20 12:38:04,946 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONDATA_RACE (20 of 96 remaining) [2022-11-20 12:38:04,946 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err21ASSERT_VIOLATIONDATA_RACE (19 of 96 remaining) [2022-11-20 12:38:04,947 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err10ASSERT_VIOLATIONDATA_RACE (18 of 96 remaining) [2022-11-20 12:38:04,947 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err22ASSERT_VIOLATIONDATA_RACE (17 of 96 remaining) [2022-11-20 12:38:04,947 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err11ASSERT_VIOLATIONDATA_RACE (16 of 96 remaining) [2022-11-20 12:38:04,947 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (15 of 96 remaining) [2022-11-20 12:38:04,948 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (14 of 96 remaining) [2022-11-20 12:38:04,948 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (13 of 96 remaining) [2022-11-20 12:38:04,948 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (12 of 96 remaining) [2022-11-20 12:38:04,948 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (11 of 96 remaining) [2022-11-20 12:38:04,949 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (10 of 96 remaining) [2022-11-20 12:38:04,949 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (9 of 96 remaining) [2022-11-20 12:38:04,949 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (8 of 96 remaining) [2022-11-20 12:38:04,949 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (7 of 96 remaining) [2022-11-20 12:38:04,950 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (6 of 96 remaining) [2022-11-20 12:38:04,950 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (5 of 96 remaining) [2022-11-20 12:38:04,950 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err11ASSERT_VIOLATIONDATA_RACE (4 of 96 remaining) [2022-11-20 12:38:04,950 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err12ASSERT_VIOLATIONDATA_RACE (3 of 96 remaining) [2022-11-20 12:38:04,951 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err13ASSERT_VIOLATIONDATA_RACE (2 of 96 remaining) [2022-11-20 12:38:04,951 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err14ASSERT_VIOLATIONDATA_RACE (1 of 96 remaining) [2022-11-20 12:38:04,951 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err15ASSERT_VIOLATIONDATA_RACE (0 of 96 remaining) [2022-11-20 12:38:04,951 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2022-11-20 12:38:04,952 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 12:38:04,959 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-11-20 12:38:04,959 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-20 12:38:04,966 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.11 12:38:04 BasicIcfg [2022-11-20 12:38:04,966 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-20 12:38:04,967 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-20 12:38:04,967 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-20 12:38:04,967 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-20 12:38:04,968 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 12:37:55" (3/4) ... [2022-11-20 12:38:04,971 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-20 12:38:04,977 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2022-11-20 12:38:04,977 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2022-11-20 12:38:04,984 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2022-11-20 12:38:04,984 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-11-20 12:38:04,985 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-11-20 12:38:04,985 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-20 12:38:05,037 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c797042f-3d64-4a33-b9f2-16e179fc9208/bin/uautomizer-ug76WZFUDN/witness.graphml [2022-11-20 12:38:05,037 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-20 12:38:05,038 INFO L158 Benchmark]: Toolchain (without parser) took 11997.66ms. Allocated memory was 146.8MB in the beginning and 333.4MB in the end (delta: 186.6MB). Free memory was 110.1MB in the beginning and 128.5MB in the end (delta: -18.4MB). Peak memory consumption was 169.4MB. Max. memory is 16.1GB. [2022-11-20 12:38:05,038 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 109.1MB. Free memory was 81.0MB in the beginning and 80.9MB in the end (delta: 28.2kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 12:38:05,039 INFO L158 Benchmark]: CACSL2BoogieTranslator took 473.25ms. Allocated memory is still 146.8MB. Free memory was 110.1MB in the beginning and 97.5MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-11-20 12:38:05,039 INFO L158 Benchmark]: Boogie Procedure Inliner took 71.85ms. Allocated memory is still 146.8MB. Free memory was 97.5MB in the beginning and 94.5MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 12:38:05,040 INFO L158 Benchmark]: Boogie Preprocessor took 48.99ms. Allocated memory is still 146.8MB. Free memory was 94.5MB in the beginning and 92.4MB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 12:38:05,040 INFO L158 Benchmark]: RCFGBuilder took 1557.88ms. Allocated memory is still 146.8MB. Free memory was 92.0MB in the beginning and 113.8MB in the end (delta: -21.8MB). Peak memory consumption was 36.4MB. Max. memory is 16.1GB. [2022-11-20 12:38:05,041 INFO L158 Benchmark]: TraceAbstraction took 9763.84ms. Allocated memory was 146.8MB in the beginning and 333.4MB in the end (delta: 186.6MB). Free memory was 112.9MB in the beginning and 132.7MB in the end (delta: -19.8MB). Peak memory consumption was 168.6MB. Max. memory is 16.1GB. [2022-11-20 12:38:05,041 INFO L158 Benchmark]: Witness Printer took 70.66ms. Allocated memory is still 333.4MB. Free memory was 132.7MB in the beginning and 128.5MB in the end (delta: 4.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 12:38:05,043 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34ms. Allocated memory is still 109.1MB. Free memory was 81.0MB in the beginning and 80.9MB in the end (delta: 28.2kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 473.25ms. Allocated memory is still 146.8MB. Free memory was 110.1MB in the beginning and 97.5MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 71.85ms. Allocated memory is still 146.8MB. Free memory was 97.5MB in the beginning and 94.5MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 48.99ms. Allocated memory is still 146.8MB. Free memory was 94.5MB in the beginning and 92.4MB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 1557.88ms. Allocated memory is still 146.8MB. Free memory was 92.0MB in the beginning and 113.8MB in the end (delta: -21.8MB). Peak memory consumption was 36.4MB. Max. memory is 16.1GB. * TraceAbstraction took 9763.84ms. Allocated memory was 146.8MB in the beginning and 333.4MB in the end (delta: 186.6MB). Free memory was 112.9MB in the beginning and 132.7MB in the end (delta: -19.8MB). Peak memory consumption was 168.6MB. Max. memory is 16.1GB. * Witness Printer took 70.66ms. Allocated memory is still 333.4MB. Free memory was 132.7MB in the beginning and 128.5MB in the end (delta: 4.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 49]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 58]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 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: 59]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 59]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 59]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 60]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 60]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 51]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 51]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 51]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 52]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 52]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 52]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 53]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 53]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 62]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 55]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 62]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 55]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 62]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 55]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 69]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 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: 76]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 76]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 77]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 77]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 77]: 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: 90]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 91]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 92]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 93]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 93]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 94]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 94]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 116]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 96]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 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: 104]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 104]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 104]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 104]: there are no data races For all program executions holds that there are no data races at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 383 locations, 96 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: 9.5s, OverallIterations: 22, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 4.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.3s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 148 SdHoareTripleChecker+Valid, 1.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 148 mSDsluCounter, 191 SdHoareTripleChecker+Invalid, 1.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 3 mSDsCounter, 68 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 657 IncrementalHoareTripleChecker+Invalid, 725 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 68 mSolverCounterUnsat, 188 mSDtfsCounter, 657 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 60 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=556occurred in iteration=0, InterpolantAutomatonStates: 79, 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, 0.3s SatisfiabilityAnalysisTime, 3.4s InterpolantComputationTime, 2055 NumberOfCodeBlocks, 2055 NumberOfCodeBlocksAsserted, 22 NumberOfCheckSat, 2033 ConstructedInterpolants, 0 QuantifiedInterpolants, 2454 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 22 InterpolantComputations, 22 PerfectInterpolantSequences, 1/1 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 55 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-11-20 12:38:05,081 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c797042f-3d64-4a33-b9f2-16e179fc9208/bin/uautomizer-ug76WZFUDN/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