./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/weaver/popl20-bad-commit-2.wvr-bad.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version e04fb08f Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_920a97de-853b-44b8-8c18-f841bcad687a/bin/uautomizer-tPACEb0tL8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_920a97de-853b-44b8-8c18-f841bcad687a/bin/uautomizer-tPACEb0tL8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_920a97de-853b-44b8-8c18-f841bcad687a/bin/uautomizer-tPACEb0tL8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_920a97de-853b-44b8-8c18-f841bcad687a/bin/uautomizer-tPACEb0tL8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/weaver/popl20-bad-commit-2.wvr-bad.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_920a97de-853b-44b8-8c18-f841bcad687a/bin/uautomizer-tPACEb0tL8/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_920a97de-853b-44b8-8c18-f841bcad687a/bin/uautomizer-tPACEb0tL8 --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! data-race) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 5bf746ef76f8c8352051d8eb5f02d7a475e14d238622e290fcb51135a3348206 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-e04fb08 [2022-11-16 12:26:04,410 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-16 12:26:04,413 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-16 12:26:04,449 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-16 12:26:04,449 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-16 12:26:04,454 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-16 12:26:04,457 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-16 12:26:04,462 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-16 12:26:04,464 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-16 12:26:04,465 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-16 12:26:04,466 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-16 12:26:04,468 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-16 12:26:04,468 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-16 12:26:04,469 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-16 12:26:04,473 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-16 12:26:04,476 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-16 12:26:04,478 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-16 12:26:04,484 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-16 12:26:04,487 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-16 12:26:04,496 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-16 12:26:04,500 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-16 12:26:04,503 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-16 12:26:04,507 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-16 12:26:04,508 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-16 12:26:04,518 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-16 12:26:04,519 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-16 12:26:04,519 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-16 12:26:04,521 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-16 12:26:04,522 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-16 12:26:04,523 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-16 12:26:04,524 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-16 12:26:04,526 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-16 12:26:04,528 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-16 12:26:04,529 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-16 12:26:04,532 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-16 12:26:04,532 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-16 12:26:04,533 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-16 12:26:04,533 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-16 12:26:04,534 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-16 12:26:04,535 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-16 12:26:04,536 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-16 12:26:04,537 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_920a97de-853b-44b8-8c18-f841bcad687a/bin/uautomizer-tPACEb0tL8/config/svcomp-DataRace-32bit-Automizer_Default.epf [2022-11-16 12:26:04,598 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-16 12:26:04,602 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-16 12:26:04,603 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-16 12:26:04,603 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-16 12:26:04,605 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-16 12:26:04,606 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-16 12:26:04,607 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-16 12:26:04,607 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-16 12:26:04,607 INFO L138 SettingsManager]: * Use SBE=true [2022-11-16 12:26:04,607 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-16 12:26:04,608 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-16 12:26:04,608 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-16 12:26:04,608 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-16 12:26:04,608 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-16 12:26:04,608 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-16 12:26:04,609 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-16 12:26:04,609 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-16 12:26:04,609 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-16 12:26:04,609 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-11-16 12:26:04,616 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-16 12:26:04,616 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-16 12:26:04,616 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-16 12:26:04,616 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-16 12:26:04,617 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-16 12:26:04,617 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-16 12:26:04,617 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-16 12:26:04,617 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 12:26:04,617 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-16 12:26:04,618 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-16 12:26:04,618 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-16 12:26:04,618 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-16 12:26:04,618 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-16 12:26:04,618 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-16 12:26:04,619 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-16 12:26:04,619 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-16 12:26:04,619 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_920a97de-853b-44b8-8c18-f841bcad687a/bin/uautomizer-tPACEb0tL8/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_920a97de-853b-44b8-8c18-f841bcad687a/bin/uautomizer-tPACEb0tL8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5bf746ef76f8c8352051d8eb5f02d7a475e14d238622e290fcb51135a3348206 [2022-11-16 12:26:04,882 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-16 12:26:04,920 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-16 12:26:04,923 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-16 12:26:04,925 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-16 12:26:04,926 INFO L275 PluginConnector]: CDTParser initialized [2022-11-16 12:26:04,928 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_920a97de-853b-44b8-8c18-f841bcad687a/bin/uautomizer-tPACEb0tL8/../../sv-benchmarks/c/weaver/popl20-bad-commit-2.wvr-bad.c [2022-11-16 12:26:04,998 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_920a97de-853b-44b8-8c18-f841bcad687a/bin/uautomizer-tPACEb0tL8/data/e53f7eb2c/faf2a01f2d334c5a887aab50668812b6/FLAG0e177cc3a [2022-11-16 12:26:05,503 INFO L306 CDTParser]: Found 1 translation units. [2022-11-16 12:26:05,504 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_920a97de-853b-44b8-8c18-f841bcad687a/sv-benchmarks/c/weaver/popl20-bad-commit-2.wvr-bad.c [2022-11-16 12:26:05,514 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_920a97de-853b-44b8-8c18-f841bcad687a/bin/uautomizer-tPACEb0tL8/data/e53f7eb2c/faf2a01f2d334c5a887aab50668812b6/FLAG0e177cc3a [2022-11-16 12:26:05,862 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_920a97de-853b-44b8-8c18-f841bcad687a/bin/uautomizer-tPACEb0tL8/data/e53f7eb2c/faf2a01f2d334c5a887aab50668812b6 [2022-11-16 12:26:05,865 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-16 12:26:05,866 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-16 12:26:05,871 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-16 12:26:05,871 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-16 12:26:05,875 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-16 12:26:05,876 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 12:26:05" (1/1) ... [2022-11-16 12:26:05,877 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4f2b3781 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:26:05, skipping insertion in model container [2022-11-16 12:26:05,877 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 12:26:05" (1/1) ... [2022-11-16 12:26:05,885 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-16 12:26:05,921 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-16 12:26:06,210 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_920a97de-853b-44b8-8c18-f841bcad687a/sv-benchmarks/c/weaver/popl20-bad-commit-2.wvr-bad.c[6687,6700] [2022-11-16 12:26:06,217 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 12:26:06,227 INFO L203 MainTranslator]: Completed pre-run [2022-11-16 12:26:06,300 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_920a97de-853b-44b8-8c18-f841bcad687a/sv-benchmarks/c/weaver/popl20-bad-commit-2.wvr-bad.c[6687,6700] [2022-11-16 12:26:06,305 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 12:26:06,323 INFO L208 MainTranslator]: Completed translation [2022-11-16 12:26:06,324 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:26:06 WrapperNode [2022-11-16 12:26:06,324 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-16 12:26:06,325 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-16 12:26:06,326 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-16 12:26:06,326 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-16 12:26:06,335 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:26:06" (1/1) ... [2022-11-16 12:26:06,355 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:26:06" (1/1) ... [2022-11-16 12:26:06,451 INFO L138 Inliner]: procedures = 26, calls = 93, calls flagged for inlining = 27, calls inlined = 33, statements flattened = 1070 [2022-11-16 12:26:06,451 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-16 12:26:06,453 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-16 12:26:06,453 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-16 12:26:06,453 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-16 12:26:06,463 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:26:06" (1/1) ... [2022-11-16 12:26:06,463 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:26:06" (1/1) ... [2022-11-16 12:26:06,488 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:26:06" (1/1) ... [2022-11-16 12:26:06,488 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:26:06" (1/1) ... [2022-11-16 12:26:06,525 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:26:06" (1/1) ... [2022-11-16 12:26:06,534 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:26:06" (1/1) ... [2022-11-16 12:26:06,539 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:26:06" (1/1) ... [2022-11-16 12:26:06,542 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:26:06" (1/1) ... [2022-11-16 12:26:06,551 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-16 12:26:06,552 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-16 12:26:06,552 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-16 12:26:06,552 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-16 12:26:06,556 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:26:06" (1/1) ... [2022-11-16 12:26:06,582 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 12:26:06,595 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_920a97de-853b-44b8-8c18-f841bcad687a/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:26:06,621 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_920a97de-853b-44b8-8c18-f841bcad687a/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-16 12:26:06,652 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_920a97de-853b-44b8-8c18-f841bcad687a/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-16 12:26:06,680 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-16 12:26:06,680 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-16 12:26:06,680 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-16 12:26:06,680 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-16 12:26:06,681 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-11-16 12:26:06,682 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-11-16 12:26:06,683 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-11-16 12:26:06,683 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-11-16 12:26:06,683 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-11-16 12:26:06,683 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-11-16 12:26:06,683 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2022-11-16 12:26:06,684 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2022-11-16 12:26:06,684 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-16 12:26:06,684 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-11-16 12:26:06,684 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-11-16 12:26:06,684 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-16 12:26:06,685 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-16 12:26:06,685 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-16 12:26:06,685 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-16 12:26:06,687 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-16 12:26:06,945 INFO L235 CfgBuilder]: Building ICFG [2022-11-16 12:26:06,947 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-16 12:26:08,590 INFO L276 CfgBuilder]: Performing block encoding [2022-11-16 12:26:09,834 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-16 12:26:09,835 INFO L300 CfgBuilder]: Removed 8 assume(true) statements. [2022-11-16 12:26:09,839 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 12:26:09 BoogieIcfgContainer [2022-11-16 12:26:09,840 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-16 12:26:09,843 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-16 12:26:09,844 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-16 12:26:09,847 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-16 12:26:09,848 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 12:26:05" (1/3) ... [2022-11-16 12:26:09,849 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1c229741 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 12:26:09, skipping insertion in model container [2022-11-16 12:26:09,849 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:26:06" (2/3) ... [2022-11-16 12:26:09,849 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1c229741 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 12:26:09, skipping insertion in model container [2022-11-16 12:26:09,850 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 12:26:09" (3/3) ... [2022-11-16 12:26:09,851 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-bad-commit-2.wvr-bad.c [2022-11-16 12:26:09,864 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-11-16 12:26:09,876 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-16 12:26:09,876 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 186 error locations. [2022-11-16 12:26:09,876 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-16 12:26:10,245 INFO L144 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2022-11-16 12:26:10,317 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 683 places, 707 transitions, 1446 flow [2022-11-16 12:26:10,600 INFO L130 PetriNetUnfolder]: 37/703 cut-off events. [2022-11-16 12:26:10,600 INFO L131 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2022-11-16 12:26:10,614 INFO L83 FinitePrefix]: Finished finitePrefix Result has 720 conditions, 703 events. 37/703 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 29. Compared 1532 event pairs, 0 based on Foata normal form. 0/480 useless extension candidates. Maximal degree in co-relation 604. Up to 8 conditions per place. [2022-11-16 12:26:10,615 INFO L82 GeneralOperation]: Start removeDead. Operand has 683 places, 707 transitions, 1446 flow [2022-11-16 12:26:10,635 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 658 places, 681 transitions, 1386 flow [2022-11-16 12:26:10,645 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-16 12:26:10,652 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;@555e3d22, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-16 12:26:10,653 INFO L358 AbstractCegarLoop]: Starting to check reachability of 340 error locations. [2022-11-16 12:26:10,659 INFO L130 PetriNetUnfolder]: 0/42 cut-off events. [2022-11-16 12:26:10,659 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-11-16 12:26:10,659 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 12:26:10,660 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] [2022-11-16 12:26:10,660 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 336 more)] === [2022-11-16 12:26:10,666 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:26:10,666 INFO L85 PathProgramCache]: Analyzing trace with hash 369491130, now seen corresponding path program 1 times [2022-11-16 12:26:10,676 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:26:10,677 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1631610433] [2022-11-16 12:26:10,677 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:26:10,678 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:26:10,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:26:11,066 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:26:11,067 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:26:11,067 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1631610433] [2022-11-16 12:26:11,068 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1631610433] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:26:11,068 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:26:11,069 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-16 12:26:11,070 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [592440545] [2022-11-16 12:26:11,071 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:26:11,081 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 12:26:11,082 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:26:11,117 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 12:26:11,121 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 12:26:11,129 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 522 out of 707 [2022-11-16 12:26:11,142 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 658 places, 681 transitions, 1386 flow. Second operand has 3 states, 3 states have (on average 523.3333333333334) internal successors, (1570), 3 states have internal predecessors, (1570), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:26:11,143 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 12:26:11,143 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 522 of 707 [2022-11-16 12:26:11,145 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 12:26:11,612 INFO L130 PetriNetUnfolder]: 56/562 cut-off events. [2022-11-16 12:26:11,612 INFO L131 PetriNetUnfolder]: For 16/16 co-relation queries the response was YES. [2022-11-16 12:26:11,617 INFO L83 FinitePrefix]: Finished finitePrefix Result has 643 conditions, 562 events. 56/562 cut-off events. For 16/16 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 535 event pairs, 0 based on Foata normal form. 28/505 useless extension candidates. Maximal degree in co-relation 519. Up to 62 conditions per place. [2022-11-16 12:26:11,621 INFO L137 encePairwiseOnDemand]: 550/707 looper letters, 25 selfloop transitions, 2 changer transitions 8/526 dead transitions. [2022-11-16 12:26:11,621 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 521 places, 526 transitions, 1130 flow [2022-11-16 12:26:11,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 12:26:11,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-16 12:26:11,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1748 transitions. [2022-11-16 12:26:11,648 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8241395568128241 [2022-11-16 12:26:11,649 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1748 transitions. [2022-11-16 12:26:11,650 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1748 transitions. [2022-11-16 12:26:11,656 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 12:26:11,659 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1748 transitions. [2022-11-16 12:26:11,668 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 582.6666666666666) internal successors, (1748), 3 states have internal predecessors, (1748), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:26:11,681 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 707.0) internal successors, (2828), 4 states have internal predecessors, (2828), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:26:11,683 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 707.0) internal successors, (2828), 4 states have internal predecessors, (2828), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:26:11,685 INFO L175 Difference]: Start difference. First operand has 658 places, 681 transitions, 1386 flow. Second operand 3 states and 1748 transitions. [2022-11-16 12:26:11,687 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 521 places, 526 transitions, 1130 flow [2022-11-16 12:26:11,697 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 513 places, 526 transitions, 1114 flow, removed 0 selfloop flow, removed 8 redundant places. [2022-11-16 12:26:11,713 INFO L231 Difference]: Finished difference. Result has 513 places, 518 transitions, 1048 flow [2022-11-16 12:26:11,716 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=707, PETRI_DIFFERENCE_MINUEND_FLOW=1060, PETRI_DIFFERENCE_MINUEND_PLACES=511, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=526, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=524, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1048, PETRI_PLACES=513, PETRI_TRANSITIONS=518} [2022-11-16 12:26:11,723 INFO L288 CegarLoopForPetriNet]: 658 programPoint places, -145 predicate places. [2022-11-16 12:26:11,724 INFO L495 AbstractCegarLoop]: Abstraction has has 513 places, 518 transitions, 1048 flow [2022-11-16 12:26:11,726 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 523.3333333333334) internal successors, (1570), 3 states have internal predecessors, (1570), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:26:11,726 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 12:26:11,726 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:26:11,727 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-16 12:26:11,727 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 336 more)] === [2022-11-16 12:26:11,728 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:26:11,728 INFO L85 PathProgramCache]: Analyzing trace with hash -37935344, now seen corresponding path program 1 times [2022-11-16 12:26:11,729 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:26:11,729 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [991924698] [2022-11-16 12:26:11,729 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:26:11,730 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:26:11,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:26:11,871 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:26:11,871 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:26:11,871 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [991924698] [2022-11-16 12:26:11,872 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [991924698] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:26:11,872 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:26:11,872 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-16 12:26:11,872 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1276398737] [2022-11-16 12:26:11,873 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:26:11,874 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 12:26:11,874 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:26:11,875 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 12:26:11,875 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 12:26:11,877 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 522 out of 707 [2022-11-16 12:26:11,880 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 513 places, 518 transitions, 1048 flow. Second operand has 3 states, 3 states have (on average 523.3333333333334) internal successors, (1570), 3 states have internal predecessors, (1570), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:26:11,880 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 12:26:11,880 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 522 of 707 [2022-11-16 12:26:11,881 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 12:26:12,156 INFO L130 PetriNetUnfolder]: 56/553 cut-off events. [2022-11-16 12:26:12,157 INFO L131 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2022-11-16 12:26:12,160 INFO L83 FinitePrefix]: Finished finitePrefix Result has 626 conditions, 553 events. 56/553 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 527 event pairs, 0 based on Foata normal form. 0/477 useless extension candidates. Maximal degree in co-relation 576. Up to 63 conditions per place. [2022-11-16 12:26:12,164 INFO L137 encePairwiseOnDemand]: 704/707 looper letters, 26 selfloop transitions, 2 changer transitions 0/517 dead transitions. [2022-11-16 12:26:12,164 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 506 places, 517 transitions, 1102 flow [2022-11-16 12:26:12,165 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 12:26:12,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-16 12:26:12,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1595 transitions. [2022-11-16 12:26:12,169 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.752003771805752 [2022-11-16 12:26:12,169 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1595 transitions. [2022-11-16 12:26:12,169 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1595 transitions. [2022-11-16 12:26:12,171 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 12:26:12,171 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1595 transitions. [2022-11-16 12:26:12,175 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 531.6666666666666) internal successors, (1595), 3 states have internal predecessors, (1595), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:26:12,180 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 707.0) internal successors, (2828), 4 states have internal predecessors, (2828), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:26:12,182 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 707.0) internal successors, (2828), 4 states have internal predecessors, (2828), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:26:12,183 INFO L175 Difference]: Start difference. First operand has 513 places, 518 transitions, 1048 flow. Second operand 3 states and 1595 transitions. [2022-11-16 12:26:12,183 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 506 places, 517 transitions, 1102 flow [2022-11-16 12:26:12,188 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 504 places, 517 transitions, 1098 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-16 12:26:12,196 INFO L231 Difference]: Finished difference. Result has 504 places, 517 transitions, 1046 flow [2022-11-16 12:26:12,197 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=707, PETRI_DIFFERENCE_MINUEND_FLOW=1042, PETRI_DIFFERENCE_MINUEND_PLACES=502, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=517, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=515, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1046, PETRI_PLACES=504, PETRI_TRANSITIONS=517} [2022-11-16 12:26:12,198 INFO L288 CegarLoopForPetriNet]: 658 programPoint places, -154 predicate places. [2022-11-16 12:26:12,198 INFO L495 AbstractCegarLoop]: Abstraction has has 504 places, 517 transitions, 1046 flow [2022-11-16 12:26:12,199 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 523.3333333333334) internal successors, (1570), 3 states have internal predecessors, (1570), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:26:12,200 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 12:26:12,200 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] [2022-11-16 12:26:12,200 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-16 12:26:12,200 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 336 more)] === [2022-11-16 12:26:12,201 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:26:12,201 INFO L85 PathProgramCache]: Analyzing trace with hash 51318894, now seen corresponding path program 1 times [2022-11-16 12:26:12,201 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:26:12,202 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [432536164] [2022-11-16 12:26:12,202 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:26:12,202 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:26:12,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:26:12,274 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:26:12,275 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:26:12,275 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [432536164] [2022-11-16 12:26:12,275 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [432536164] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:26:12,276 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:26:12,276 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-16 12:26:12,276 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [105244372] [2022-11-16 12:26:12,276 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:26:12,277 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 12:26:12,277 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:26:12,278 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 12:26:12,278 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 12:26:12,280 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 522 out of 707 [2022-11-16 12:26:12,288 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 504 places, 517 transitions, 1046 flow. Second operand has 3 states, 3 states have (on average 523.3333333333334) internal successors, (1570), 3 states have internal predecessors, (1570), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:26:12,288 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 12:26:12,289 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 522 of 707 [2022-11-16 12:26:12,289 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 12:26:12,555 INFO L130 PetriNetUnfolder]: 56/552 cut-off events. [2022-11-16 12:26:12,555 INFO L131 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2022-11-16 12:26:12,558 INFO L83 FinitePrefix]: Finished finitePrefix Result has 625 conditions, 552 events. 56/552 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 532 event pairs, 0 based on Foata normal form. 0/477 useless extension candidates. Maximal degree in co-relation 568. Up to 63 conditions per place. [2022-11-16 12:26:12,561 INFO L137 encePairwiseOnDemand]: 704/707 looper letters, 26 selfloop transitions, 2 changer transitions 0/516 dead transitions. [2022-11-16 12:26:12,562 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 505 places, 516 transitions, 1100 flow [2022-11-16 12:26:12,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 12:26:12,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-16 12:26:12,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1595 transitions. [2022-11-16 12:26:12,569 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.752003771805752 [2022-11-16 12:26:12,569 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1595 transitions. [2022-11-16 12:26:12,569 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1595 transitions. [2022-11-16 12:26:12,571 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 12:26:12,571 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1595 transitions. [2022-11-16 12:26:12,576 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 531.6666666666666) internal successors, (1595), 3 states have internal predecessors, (1595), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:26:12,582 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 707.0) internal successors, (2828), 4 states have internal predecessors, (2828), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:26:12,584 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 707.0) internal successors, (2828), 4 states have internal predecessors, (2828), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:26:12,585 INFO L175 Difference]: Start difference. First operand has 504 places, 517 transitions, 1046 flow. Second operand 3 states and 1595 transitions. [2022-11-16 12:26:12,585 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 505 places, 516 transitions, 1100 flow [2022-11-16 12:26:12,592 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 503 places, 516 transitions, 1096 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-16 12:26:12,604 INFO L231 Difference]: Finished difference. Result has 503 places, 516 transitions, 1044 flow [2022-11-16 12:26:12,605 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=707, PETRI_DIFFERENCE_MINUEND_FLOW=1040, PETRI_DIFFERENCE_MINUEND_PLACES=501, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=516, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=514, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1044, PETRI_PLACES=503, PETRI_TRANSITIONS=516} [2022-11-16 12:26:12,606 INFO L288 CegarLoopForPetriNet]: 658 programPoint places, -155 predicate places. [2022-11-16 12:26:12,607 INFO L495 AbstractCegarLoop]: Abstraction has has 503 places, 516 transitions, 1044 flow [2022-11-16 12:26:12,608 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 523.3333333333334) internal successors, (1570), 3 states have internal predecessors, (1570), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:26:12,608 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 12:26:12,609 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] [2022-11-16 12:26:12,609 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-16 12:26:12,609 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 336 more)] === [2022-11-16 12:26:12,610 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:26:12,610 INFO L85 PathProgramCache]: Analyzing trace with hash -801110272, now seen corresponding path program 1 times [2022-11-16 12:26:12,610 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:26:12,611 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1586668955] [2022-11-16 12:26:12,611 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:26:12,611 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:26:12,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:26:12,685 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:26:12,685 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:26:12,686 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1586668955] [2022-11-16 12:26:12,686 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1586668955] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:26:12,686 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:26:12,686 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-16 12:26:12,687 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1838423051] [2022-11-16 12:26:12,687 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:26:12,688 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 12:26:12,688 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:26:12,689 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 12:26:12,689 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 12:26:12,692 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 525 out of 707 [2022-11-16 12:26:12,695 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 503 places, 516 transitions, 1044 flow. Second operand has 3 states, 3 states have (on average 526.3333333333334) internal successors, (1579), 3 states have internal predecessors, (1579), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:26:12,695 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 12:26:12,695 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 525 of 707 [2022-11-16 12:26:12,696 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 12:26:13,076 INFO L130 PetriNetUnfolder]: 107/777 cut-off events. [2022-11-16 12:26:13,076 INFO L131 PetriNetUnfolder]: For 9/10 co-relation queries the response was YES. [2022-11-16 12:26:13,081 INFO L83 FinitePrefix]: Finished finitePrefix Result has 904 conditions, 777 events. 107/777 cut-off events. For 9/10 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 1646 event pairs, 0 based on Foata normal form. 1/649 useless extension candidates. Maximal degree in co-relation 839. Up to 70 conditions per place. [2022-11-16 12:26:13,087 INFO L137 encePairwiseOnDemand]: 702/707 looper letters, 39 selfloop transitions, 4 changer transitions 0/534 dead transitions. [2022-11-16 12:26:13,087 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 504 places, 534 transitions, 1173 flow [2022-11-16 12:26:13,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 12:26:13,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-16 12:26:13,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1619 transitions. [2022-11-16 12:26:13,093 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.7633191890617633 [2022-11-16 12:26:13,093 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1619 transitions. [2022-11-16 12:26:13,093 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1619 transitions. [2022-11-16 12:26:13,094 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 12:26:13,094 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1619 transitions. [2022-11-16 12:26:13,099 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 539.6666666666666) internal successors, (1619), 3 states have internal predecessors, (1619), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:26:13,104 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 707.0) internal successors, (2828), 4 states have internal predecessors, (2828), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:26:13,106 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 707.0) internal successors, (2828), 4 states have internal predecessors, (2828), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:26:13,107 INFO L175 Difference]: Start difference. First operand has 503 places, 516 transitions, 1044 flow. Second operand 3 states and 1619 transitions. [2022-11-16 12:26:13,107 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 504 places, 534 transitions, 1173 flow [2022-11-16 12:26:13,111 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 502 places, 534 transitions, 1169 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-16 12:26:13,119 INFO L231 Difference]: Finished difference. Result has 503 places, 518 transitions, 1062 flow [2022-11-16 12:26:13,120 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=707, PETRI_DIFFERENCE_MINUEND_FLOW=1038, PETRI_DIFFERENCE_MINUEND_PLACES=500, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=515, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=511, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1062, PETRI_PLACES=503, PETRI_TRANSITIONS=518} [2022-11-16 12:26:13,121 INFO L288 CegarLoopForPetriNet]: 658 programPoint places, -155 predicate places. [2022-11-16 12:26:13,121 INFO L495 AbstractCegarLoop]: Abstraction has has 503 places, 518 transitions, 1062 flow [2022-11-16 12:26:13,123 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 526.3333333333334) internal successors, (1579), 3 states have internal predecessors, (1579), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:26:13,123 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 12:26:13,123 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] [2022-11-16 12:26:13,124 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-16 12:26:13,124 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 336 more)] === [2022-11-16 12:26:13,125 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:26:13,125 INFO L85 PathProgramCache]: Analyzing trace with hash 413662518, now seen corresponding path program 1 times [2022-11-16 12:26:13,125 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:26:13,125 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1909004251] [2022-11-16 12:26:13,126 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:26:13,126 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:26:13,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:26:13,202 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:26:13,203 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:26:13,203 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1909004251] [2022-11-16 12:26:13,204 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1909004251] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:26:13,204 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:26:13,204 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-16 12:26:13,204 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [984462139] [2022-11-16 12:26:13,204 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:26:13,205 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 12:26:13,205 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:26:13,206 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 12:26:13,206 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 12:26:13,208 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 525 out of 707 [2022-11-16 12:26:13,211 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 503 places, 518 transitions, 1062 flow. Second operand has 3 states, 3 states have (on average 526.3333333333334) internal successors, (1579), 3 states have internal predecessors, (1579), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:26:13,211 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 12:26:13,211 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 525 of 707 [2022-11-16 12:26:13,212 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 12:26:13,509 INFO L130 PetriNetUnfolder]: 107/735 cut-off events. [2022-11-16 12:26:13,509 INFO L131 PetriNetUnfolder]: For 33/33 co-relation queries the response was YES. [2022-11-16 12:26:13,514 INFO L83 FinitePrefix]: Finished finitePrefix Result has 899 conditions, 735 events. 107/735 cut-off events. For 33/33 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 1399 event pairs, 3 based on Foata normal form. 0/619 useless extension candidates. Maximal degree in co-relation 531. Up to 115 conditions per place. [2022-11-16 12:26:13,520 INFO L137 encePairwiseOnDemand]: 704/707 looper letters, 26 selfloop transitions, 2 changer transitions 0/517 dead transitions. [2022-11-16 12:26:13,521 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 504 places, 517 transitions, 1116 flow [2022-11-16 12:26:13,521 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 12:26:13,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-16 12:26:13,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1601 transitions. [2022-11-16 12:26:13,526 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.7548326261197549 [2022-11-16 12:26:13,526 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1601 transitions. [2022-11-16 12:26:13,526 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1601 transitions. [2022-11-16 12:26:13,527 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 12:26:13,528 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1601 transitions. [2022-11-16 12:26:13,532 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 533.6666666666666) internal successors, (1601), 3 states have internal predecessors, (1601), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:26:13,538 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 707.0) internal successors, (2828), 4 states have internal predecessors, (2828), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:26:13,540 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 707.0) internal successors, (2828), 4 states have internal predecessors, (2828), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:26:13,540 INFO L175 Difference]: Start difference. First operand has 503 places, 518 transitions, 1062 flow. Second operand 3 states and 1601 transitions. [2022-11-16 12:26:13,541 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 504 places, 517 transitions, 1116 flow [2022-11-16 12:26:13,545 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 503 places, 517 transitions, 1112 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-11-16 12:26:13,553 INFO L231 Difference]: Finished difference. Result has 503 places, 517 transitions, 1060 flow [2022-11-16 12:26:13,554 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=707, PETRI_DIFFERENCE_MINUEND_FLOW=1056, PETRI_DIFFERENCE_MINUEND_PLACES=501, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=517, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=515, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1060, PETRI_PLACES=503, PETRI_TRANSITIONS=517} [2022-11-16 12:26:13,555 INFO L288 CegarLoopForPetriNet]: 658 programPoint places, -155 predicate places. [2022-11-16 12:26:13,555 INFO L495 AbstractCegarLoop]: Abstraction has has 503 places, 517 transitions, 1060 flow [2022-11-16 12:26:13,557 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 526.3333333333334) internal successors, (1579), 3 states have internal predecessors, (1579), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:26:13,557 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 12:26:13,557 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:26:13,558 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-16 12:26:13,558 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 336 more)] === [2022-11-16 12:26:13,558 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:26:13,559 INFO L85 PathProgramCache]: Analyzing trace with hash 1161788627, now seen corresponding path program 1 times [2022-11-16 12:26:13,559 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:26:13,559 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1244201936] [2022-11-16 12:26:13,560 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:26:13,560 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:26:13,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:26:13,610 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:26:13,611 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:26:13,611 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1244201936] [2022-11-16 12:26:13,611 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1244201936] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:26:13,612 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:26:13,612 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-16 12:26:13,612 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [470241138] [2022-11-16 12:26:13,612 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:26:13,613 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 12:26:13,613 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:26:13,614 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 12:26:13,614 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 12:26:13,616 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 525 out of 707 [2022-11-16 12:26:13,619 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 503 places, 517 transitions, 1060 flow. Second operand has 3 states, 3 states have (on average 526.3333333333334) internal successors, (1579), 3 states have internal predecessors, (1579), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:26:13,619 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 12:26:13,620 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 525 of 707 [2022-11-16 12:26:13,620 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 12:26:13,901 INFO L130 PetriNetUnfolder]: 107/734 cut-off events. [2022-11-16 12:26:13,901 INFO L131 PetriNetUnfolder]: For 32/32 co-relation queries the response was YES. [2022-11-16 12:26:13,905 INFO L83 FinitePrefix]: Finished finitePrefix Result has 887 conditions, 734 events. 107/734 cut-off events. For 32/32 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 1392 event pairs, 3 based on Foata normal form. 0/619 useless extension candidates. Maximal degree in co-relation 813. Up to 113 conditions per place. [2022-11-16 12:26:13,909 INFO L137 encePairwiseOnDemand]: 705/707 looper letters, 26 selfloop transitions, 1 changer transitions 0/516 dead transitions. [2022-11-16 12:26:13,910 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 504 places, 516 transitions, 1112 flow [2022-11-16 12:26:13,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 12:26:13,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-16 12:26:13,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1600 transitions. [2022-11-16 12:26:13,914 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.7543611504007544 [2022-11-16 12:26:13,914 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1600 transitions. [2022-11-16 12:26:13,914 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1600 transitions. [2022-11-16 12:26:13,916 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 12:26:13,916 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1600 transitions. [2022-11-16 12:26:13,920 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 533.3333333333334) internal successors, (1600), 3 states have internal predecessors, (1600), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:26:13,924 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 707.0) internal successors, (2828), 4 states have internal predecessors, (2828), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:26:13,926 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 707.0) internal successors, (2828), 4 states have internal predecessors, (2828), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:26:13,926 INFO L175 Difference]: Start difference. First operand has 503 places, 517 transitions, 1060 flow. Second operand 3 states and 1600 transitions. [2022-11-16 12:26:13,926 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 504 places, 516 transitions, 1112 flow [2022-11-16 12:26:13,930 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 502 places, 516 transitions, 1108 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-16 12:26:13,936 INFO L231 Difference]: Finished difference. Result has 502 places, 516 transitions, 1056 flow [2022-11-16 12:26:13,937 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=707, PETRI_DIFFERENCE_MINUEND_FLOW=1054, PETRI_DIFFERENCE_MINUEND_PLACES=500, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=516, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=515, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1056, PETRI_PLACES=502, PETRI_TRANSITIONS=516} [2022-11-16 12:26:13,938 INFO L288 CegarLoopForPetriNet]: 658 programPoint places, -156 predicate places. [2022-11-16 12:26:13,938 INFO L495 AbstractCegarLoop]: Abstraction has has 502 places, 516 transitions, 1056 flow [2022-11-16 12:26:13,939 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 526.3333333333334) internal successors, (1579), 3 states have internal predecessors, (1579), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:26:13,939 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 12:26:13,940 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] [2022-11-16 12:26:13,940 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-16 12:26:13,940 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 336 more)] === [2022-11-16 12:26:13,940 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:26:13,941 INFO L85 PathProgramCache]: Analyzing trace with hash 2105343147, now seen corresponding path program 1 times [2022-11-16 12:26:13,941 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:26:13,941 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1837016563] [2022-11-16 12:26:13,941 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:26:13,942 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:26:13,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:26:14,005 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:26:14,005 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:26:14,005 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1837016563] [2022-11-16 12:26:14,006 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1837016563] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:26:14,006 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:26:14,006 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-16 12:26:14,006 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [333479504] [2022-11-16 12:26:14,007 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:26:14,007 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 12:26:14,007 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:26:14,008 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 12:26:14,008 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 12:26:14,010 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 525 out of 707 [2022-11-16 12:26:14,013 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 502 places, 516 transitions, 1056 flow. Second operand has 3 states, 3 states have (on average 526.3333333333334) internal successors, (1579), 3 states have internal predecessors, (1579), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:26:14,013 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 12:26:14,013 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 525 of 707 [2022-11-16 12:26:14,013 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 12:26:14,289 INFO L130 PetriNetUnfolder]: 107/733 cut-off events. [2022-11-16 12:26:14,289 INFO L131 PetriNetUnfolder]: For 32/32 co-relation queries the response was YES. [2022-11-16 12:26:14,294 INFO L83 FinitePrefix]: Finished finitePrefix Result has 886 conditions, 733 events. 107/733 cut-off events. For 32/32 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 1394 event pairs, 3 based on Foata normal form. 0/619 useless extension candidates. Maximal degree in co-relation 813. Up to 115 conditions per place. [2022-11-16 12:26:14,299 INFO L137 encePairwiseOnDemand]: 704/707 looper letters, 26 selfloop transitions, 2 changer transitions 0/515 dead transitions. [2022-11-16 12:26:14,300 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 503 places, 515 transitions, 1110 flow [2022-11-16 12:26:14,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 12:26:14,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-16 12:26:14,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1601 transitions. [2022-11-16 12:26:14,304 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.7548326261197549 [2022-11-16 12:26:14,304 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1601 transitions. [2022-11-16 12:26:14,305 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1601 transitions. [2022-11-16 12:26:14,306 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 12:26:14,306 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1601 transitions. [2022-11-16 12:26:14,309 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 533.6666666666666) internal successors, (1601), 3 states have internal predecessors, (1601), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:26:14,313 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 707.0) internal successors, (2828), 4 states have internal predecessors, (2828), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:26:14,315 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 707.0) internal successors, (2828), 4 states have internal predecessors, (2828), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:26:14,315 INFO L175 Difference]: Start difference. First operand has 502 places, 516 transitions, 1056 flow. Second operand 3 states and 1601 transitions. [2022-11-16 12:26:14,315 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 503 places, 515 transitions, 1110 flow [2022-11-16 12:26:14,319 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 502 places, 515 transitions, 1109 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-11-16 12:26:14,325 INFO L231 Difference]: Finished difference. Result has 502 places, 515 transitions, 1057 flow [2022-11-16 12:26:14,326 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=707, PETRI_DIFFERENCE_MINUEND_FLOW=1053, PETRI_DIFFERENCE_MINUEND_PLACES=500, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=515, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=513, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1057, PETRI_PLACES=502, PETRI_TRANSITIONS=515} [2022-11-16 12:26:14,327 INFO L288 CegarLoopForPetriNet]: 658 programPoint places, -156 predicate places. [2022-11-16 12:26:14,328 INFO L495 AbstractCegarLoop]: Abstraction has has 502 places, 515 transitions, 1057 flow [2022-11-16 12:26:14,329 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 526.3333333333334) internal successors, (1579), 3 states have internal predecessors, (1579), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:26:14,329 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 12:26:14,330 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] [2022-11-16 12:26:14,330 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-16 12:26:14,330 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 336 more)] === [2022-11-16 12:26:14,330 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:26:14,331 INFO L85 PathProgramCache]: Analyzing trace with hash 2121393203, now seen corresponding path program 1 times [2022-11-16 12:26:14,331 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:26:14,331 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1588009259] [2022-11-16 12:26:14,331 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:26:14,331 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:26:14,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:26:15,022 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:26:15,023 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:26:15,023 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1588009259] [2022-11-16 12:26:15,023 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1588009259] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:26:15,024 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:26:15,025 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-16 12:26:15,025 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [815591042] [2022-11-16 12:26:15,025 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:26:15,027 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-16 12:26:15,027 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:26:15,028 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-16 12:26:15,028 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-16 12:26:15,031 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 439 out of 707 [2022-11-16 12:26:15,035 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 502 places, 515 transitions, 1057 flow. Second operand has 6 states, 6 states have (on average 440.8333333333333) internal successors, (2645), 6 states have internal predecessors, (2645), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:26:15,035 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 12:26:15,035 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 439 of 707 [2022-11-16 12:26:15,036 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 12:26:15,892 INFO L130 PetriNetUnfolder]: 395/1017 cut-off events. [2022-11-16 12:26:15,892 INFO L131 PetriNetUnfolder]: For 60/60 co-relation queries the response was YES. [2022-11-16 12:26:15,899 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1603 conditions, 1017 events. 395/1017 cut-off events. For 60/60 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 1758 event pairs, 9 based on Foata normal form. 0/891 useless extension candidates. Maximal degree in co-relation 1531. Up to 492 conditions per place. [2022-11-16 12:26:15,917 INFO L137 encePairwiseOnDemand]: 683/707 looper letters, 91 selfloop transitions, 20 changer transitions 0/511 dead transitions. [2022-11-16 12:26:15,917 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 503 places, 511 transitions, 1271 flow [2022-11-16 12:26:15,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-16 12:26:15,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-11-16 12:26:15,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2746 transitions. [2022-11-16 12:26:15,929 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.6473361621876473 [2022-11-16 12:26:15,929 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 2746 transitions. [2022-11-16 12:26:15,929 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 2746 transitions. [2022-11-16 12:26:15,931 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 12:26:15,931 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 2746 transitions. [2022-11-16 12:26:15,937 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 457.6666666666667) internal successors, (2746), 6 states have internal predecessors, (2746), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:26:15,945 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 707.0) internal successors, (4949), 7 states have internal predecessors, (4949), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:26:15,947 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 707.0) internal successors, (4949), 7 states have internal predecessors, (4949), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:26:15,947 INFO L175 Difference]: Start difference. First operand has 502 places, 515 transitions, 1057 flow. Second operand 6 states and 2746 transitions. [2022-11-16 12:26:15,947 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 503 places, 511 transitions, 1271 flow [2022-11-16 12:26:15,952 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 501 places, 511 transitions, 1267 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-16 12:26:15,960 INFO L231 Difference]: Finished difference. Result has 501 places, 511 transitions, 1085 flow [2022-11-16 12:26:15,961 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=707, PETRI_DIFFERENCE_MINUEND_FLOW=1045, PETRI_DIFFERENCE_MINUEND_PLACES=496, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=511, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=20, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=491, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1085, PETRI_PLACES=501, PETRI_TRANSITIONS=511} [2022-11-16 12:26:15,965 INFO L288 CegarLoopForPetriNet]: 658 programPoint places, -157 predicate places. [2022-11-16 12:26:15,966 INFO L495 AbstractCegarLoop]: Abstraction has has 501 places, 511 transitions, 1085 flow [2022-11-16 12:26:15,967 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 440.8333333333333) internal successors, (2645), 6 states have internal predecessors, (2645), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:26:15,967 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 12:26:15,967 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:26:15,967 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-16 12:26:15,968 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 336 more)] === [2022-11-16 12:26:15,968 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:26:15,968 INFO L85 PathProgramCache]: Analyzing trace with hash -53943807, now seen corresponding path program 1 times [2022-11-16 12:26:15,969 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:26:15,969 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [770181505] [2022-11-16 12:26:15,969 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:26:15,969 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:26:15,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:26:16,026 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:26:16,027 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:26:16,027 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [770181505] [2022-11-16 12:26:16,027 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [770181505] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:26:16,027 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:26:16,028 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-16 12:26:16,028 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [911180554] [2022-11-16 12:26:16,028 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:26:16,029 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 12:26:16,029 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:26:16,029 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 12:26:16,030 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 12:26:16,032 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 522 out of 707 [2022-11-16 12:26:16,034 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 501 places, 511 transitions, 1085 flow. Second operand has 3 states, 3 states have (on average 523.3333333333334) internal successors, (1570), 3 states have internal predecessors, (1570), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:26:16,034 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 12:26:16,034 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 522 of 707 [2022-11-16 12:26:16,034 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 12:26:16,318 INFO L130 PetriNetUnfolder]: 107/728 cut-off events. [2022-11-16 12:26:16,318 INFO L131 PetriNetUnfolder]: For 32/32 co-relation queries the response was YES. [2022-11-16 12:26:16,322 INFO L83 FinitePrefix]: Finished finitePrefix Result has 904 conditions, 728 events. 107/728 cut-off events. For 32/32 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 1382 event pairs, 3 based on Foata normal form. 0/619 useless extension candidates. Maximal degree in co-relation 840. Up to 118 conditions per place. [2022-11-16 12:26:16,329 INFO L137 encePairwiseOnDemand]: 704/707 looper letters, 29 selfloop transitions, 2 changer transitions 0/510 dead transitions. [2022-11-16 12:26:16,329 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 502 places, 510 transitions, 1145 flow [2022-11-16 12:26:16,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 12:26:16,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-16 12:26:16,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1595 transitions. [2022-11-16 12:26:16,334 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.752003771805752 [2022-11-16 12:26:16,334 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1595 transitions. [2022-11-16 12:26:16,334 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1595 transitions. [2022-11-16 12:26:16,335 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 12:26:16,337 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1595 transitions. [2022-11-16 12:26:16,340 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 531.6666666666666) internal successors, (1595), 3 states have internal predecessors, (1595), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:26:16,344 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 707.0) internal successors, (2828), 4 states have internal predecessors, (2828), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:26:16,346 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 707.0) internal successors, (2828), 4 states have internal predecessors, (2828), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:26:16,347 INFO L175 Difference]: Start difference. First operand has 501 places, 511 transitions, 1085 flow. Second operand 3 states and 1595 transitions. [2022-11-16 12:26:16,347 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 502 places, 510 transitions, 1145 flow [2022-11-16 12:26:16,351 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 497 places, 510 transitions, 1105 flow, removed 0 selfloop flow, removed 5 redundant places. [2022-11-16 12:26:16,358 INFO L231 Difference]: Finished difference. Result has 497 places, 510 transitions, 1047 flow [2022-11-16 12:26:16,359 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=707, PETRI_DIFFERENCE_MINUEND_FLOW=1043, PETRI_DIFFERENCE_MINUEND_PLACES=495, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=510, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=508, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1047, PETRI_PLACES=497, PETRI_TRANSITIONS=510} [2022-11-16 12:26:16,360 INFO L288 CegarLoopForPetriNet]: 658 programPoint places, -161 predicate places. [2022-11-16 12:26:16,360 INFO L495 AbstractCegarLoop]: Abstraction has has 497 places, 510 transitions, 1047 flow [2022-11-16 12:26:16,361 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 523.3333333333334) internal successors, (1570), 3 states have internal predecessors, (1570), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:26:16,361 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 12:26:16,362 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] [2022-11-16 12:26:16,362 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-11-16 12:26:16,362 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 336 more)] === [2022-11-16 12:26:16,363 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:26:16,363 INFO L85 PathProgramCache]: Analyzing trace with hash -816987150, now seen corresponding path program 1 times [2022-11-16 12:26:16,363 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:26:16,363 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [65355842] [2022-11-16 12:26:16,363 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:26:16,364 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:26:16,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:26:16,415 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:26:16,416 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:26:16,416 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [65355842] [2022-11-16 12:26:16,417 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [65355842] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:26:16,421 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:26:16,421 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-16 12:26:16,422 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [705140043] [2022-11-16 12:26:16,422 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:26:16,423 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 12:26:16,425 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:26:16,426 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 12:26:16,426 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 12:26:16,429 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 525 out of 707 [2022-11-16 12:26:16,431 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 497 places, 510 transitions, 1047 flow. Second operand has 3 states, 3 states have (on average 526.3333333333334) internal successors, (1579), 3 states have internal predecessors, (1579), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:26:16,431 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 12:26:16,432 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 525 of 707 [2022-11-16 12:26:16,432 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 12:26:16,797 INFO L130 PetriNetUnfolder]: 161/917 cut-off events. [2022-11-16 12:26:16,797 INFO L131 PetriNetUnfolder]: For 47/47 co-relation queries the response was YES. [2022-11-16 12:26:16,804 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1133 conditions, 917 events. 161/917 cut-off events. For 47/47 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 2270 event pairs, 3 based on Foata normal form. 0/769 useless extension candidates. Maximal degree in co-relation 1061. Up to 105 conditions per place. [2022-11-16 12:26:16,813 INFO L137 encePairwiseOnDemand]: 704/707 looper letters, 44 selfloop transitions, 2 changer transitions 0/528 dead transitions. [2022-11-16 12:26:16,813 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 498 places, 528 transitions, 1191 flow [2022-11-16 12:26:16,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 12:26:16,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-16 12:26:16,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1616 transitions. [2022-11-16 12:26:16,818 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.7619047619047619 [2022-11-16 12:26:16,818 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1616 transitions. [2022-11-16 12:26:16,818 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1616 transitions. [2022-11-16 12:26:16,819 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 12:26:16,820 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1616 transitions. [2022-11-16 12:26:16,823 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 538.6666666666666) internal successors, (1616), 3 states have internal predecessors, (1616), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:26:16,827 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 707.0) internal successors, (2828), 4 states have internal predecessors, (2828), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:26:16,829 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 707.0) internal successors, (2828), 4 states have internal predecessors, (2828), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:26:16,829 INFO L175 Difference]: Start difference. First operand has 497 places, 510 transitions, 1047 flow. Second operand 3 states and 1616 transitions. [2022-11-16 12:26:16,829 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 498 places, 528 transitions, 1191 flow [2022-11-16 12:26:16,834 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 496 places, 528 transitions, 1187 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-16 12:26:16,840 INFO L231 Difference]: Finished difference. Result has 497 places, 510 transitions, 1051 flow [2022-11-16 12:26:16,842 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=707, PETRI_DIFFERENCE_MINUEND_FLOW=1041, PETRI_DIFFERENCE_MINUEND_PLACES=494, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=509, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=507, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1051, PETRI_PLACES=497, PETRI_TRANSITIONS=510} [2022-11-16 12:26:16,843 INFO L288 CegarLoopForPetriNet]: 658 programPoint places, -161 predicate places. [2022-11-16 12:26:16,843 INFO L495 AbstractCegarLoop]: Abstraction has has 497 places, 510 transitions, 1051 flow [2022-11-16 12:26:16,844 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 526.3333333333334) internal successors, (1579), 3 states have internal predecessors, (1579), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:26:16,844 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 12:26:16,844 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] [2022-11-16 12:26:16,845 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-11-16 12:26:16,845 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 336 more)] === [2022-11-16 12:26:16,845 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:26:16,845 INFO L85 PathProgramCache]: Analyzing trace with hash 808526664, now seen corresponding path program 1 times [2022-11-16 12:26:16,846 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:26:16,846 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [956763474] [2022-11-16 12:26:16,846 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:26:16,847 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:26:16,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:26:16,896 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:26:16,897 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:26:16,897 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [956763474] [2022-11-16 12:26:16,898 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [956763474] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:26:16,898 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:26:16,898 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-16 12:26:16,898 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [534821035] [2022-11-16 12:26:16,899 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:26:16,899 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 12:26:16,899 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:26:16,900 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 12:26:16,900 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 12:26:16,902 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 525 out of 707 [2022-11-16 12:26:16,904 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 497 places, 510 transitions, 1051 flow. Second operand has 3 states, 3 states have (on average 526.3333333333334) internal successors, (1579), 3 states have internal predecessors, (1579), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:26:16,905 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 12:26:16,905 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 525 of 707 [2022-11-16 12:26:16,905 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 12:26:17,242 INFO L130 PetriNetUnfolder]: 161/916 cut-off events. [2022-11-16 12:26:17,242 INFO L131 PetriNetUnfolder]: For 63/63 co-relation queries the response was YES. [2022-11-16 12:26:17,249 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1157 conditions, 916 events. 161/916 cut-off events. For 63/63 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 2274 event pairs, 10 based on Foata normal form. 0/769 useless extension candidates. Maximal degree in co-relation 1083. Up to 171 conditions per place. [2022-11-16 12:26:17,257 INFO L137 encePairwiseOnDemand]: 704/707 looper letters, 27 selfloop transitions, 2 changer transitions 0/509 dead transitions. [2022-11-16 12:26:17,258 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 498 places, 509 transitions, 1107 flow [2022-11-16 12:26:17,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 12:26:17,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-16 12:26:17,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1601 transitions. [2022-11-16 12:26:17,262 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.7548326261197549 [2022-11-16 12:26:17,262 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1601 transitions. [2022-11-16 12:26:17,263 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1601 transitions. [2022-11-16 12:26:17,264 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 12:26:17,264 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1601 transitions. [2022-11-16 12:26:17,268 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 533.6666666666666) internal successors, (1601), 3 states have internal predecessors, (1601), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:26:17,272 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 707.0) internal successors, (2828), 4 states have internal predecessors, (2828), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:26:17,273 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 707.0) internal successors, (2828), 4 states have internal predecessors, (2828), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:26:17,273 INFO L175 Difference]: Start difference. First operand has 497 places, 510 transitions, 1051 flow. Second operand 3 states and 1601 transitions. [2022-11-16 12:26:17,274 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 498 places, 509 transitions, 1107 flow [2022-11-16 12:26:17,279 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 497 places, 509 transitions, 1105 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-11-16 12:26:17,286 INFO L231 Difference]: Finished difference. Result has 497 places, 509 transitions, 1051 flow [2022-11-16 12:26:17,287 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=707, PETRI_DIFFERENCE_MINUEND_FLOW=1047, PETRI_DIFFERENCE_MINUEND_PLACES=495, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=509, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=507, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1051, PETRI_PLACES=497, PETRI_TRANSITIONS=509} [2022-11-16 12:26:17,288 INFO L288 CegarLoopForPetriNet]: 658 programPoint places, -161 predicate places. [2022-11-16 12:26:17,288 INFO L495 AbstractCegarLoop]: Abstraction has has 497 places, 509 transitions, 1051 flow [2022-11-16 12:26:17,289 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 526.3333333333334) internal successors, (1579), 3 states have internal predecessors, (1579), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:26:17,289 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 12:26:17,289 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:26:17,289 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-11-16 12:26:17,290 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 336 more)] === [2022-11-16 12:26:17,290 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:26:17,290 INFO L85 PathProgramCache]: Analyzing trace with hash 1258084606, now seen corresponding path program 1 times [2022-11-16 12:26:17,291 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:26:17,291 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [320910010] [2022-11-16 12:26:17,291 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:26:17,291 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:26:17,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:26:17,366 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:26:17,366 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:26:17,366 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [320910010] [2022-11-16 12:26:17,366 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [320910010] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:26:17,367 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:26:17,367 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-16 12:26:17,367 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1038973397] [2022-11-16 12:26:17,367 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:26:17,368 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 12:26:17,368 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:26:17,368 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 12:26:17,368 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 12:26:17,370 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 522 out of 707 [2022-11-16 12:26:17,372 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 497 places, 509 transitions, 1051 flow. Second operand has 3 states, 3 states have (on average 523.3333333333334) internal successors, (1570), 3 states have internal predecessors, (1570), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:26:17,373 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 12:26:17,373 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 522 of 707 [2022-11-16 12:26:17,373 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 12:26:17,693 INFO L130 PetriNetUnfolder]: 161/915 cut-off events. [2022-11-16 12:26:17,694 INFO L131 PetriNetUnfolder]: For 62/62 co-relation queries the response was YES. [2022-11-16 12:26:17,700 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1153 conditions, 915 events. 161/915 cut-off events. For 62/62 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 2272 event pairs, 10 based on Foata normal form. 0/769 useless extension candidates. Maximal degree in co-relation 1079. Up to 174 conditions per place. [2022-11-16 12:26:17,706 INFO L137 encePairwiseOnDemand]: 704/707 looper letters, 30 selfloop transitions, 2 changer transitions 0/508 dead transitions. [2022-11-16 12:26:17,707 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 498 places, 508 transitions, 1113 flow [2022-11-16 12:26:17,707 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 12:26:17,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-16 12:26:17,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1595 transitions. [2022-11-16 12:26:17,711 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.752003771805752 [2022-11-16 12:26:17,712 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1595 transitions. [2022-11-16 12:26:17,712 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1595 transitions. [2022-11-16 12:26:17,713 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 12:26:17,713 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1595 transitions. [2022-11-16 12:26:17,717 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 531.6666666666666) internal successors, (1595), 3 states have internal predecessors, (1595), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:26:17,721 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 707.0) internal successors, (2828), 4 states have internal predecessors, (2828), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:26:17,722 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 707.0) internal successors, (2828), 4 states have internal predecessors, (2828), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:26:17,722 INFO L175 Difference]: Start difference. First operand has 497 places, 509 transitions, 1051 flow. Second operand 3 states and 1595 transitions. [2022-11-16 12:26:17,723 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 498 places, 508 transitions, 1113 flow [2022-11-16 12:26:17,727 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 496 places, 508 transitions, 1109 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-16 12:26:17,733 INFO L231 Difference]: Finished difference. Result has 496 places, 508 transitions, 1049 flow [2022-11-16 12:26:17,734 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=707, PETRI_DIFFERENCE_MINUEND_FLOW=1045, PETRI_DIFFERENCE_MINUEND_PLACES=494, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=508, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=506, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1049, PETRI_PLACES=496, PETRI_TRANSITIONS=508} [2022-11-16 12:26:17,736 INFO L288 CegarLoopForPetriNet]: 658 programPoint places, -162 predicate places. [2022-11-16 12:26:17,736 INFO L495 AbstractCegarLoop]: Abstraction has has 496 places, 508 transitions, 1049 flow [2022-11-16 12:26:17,737 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 523.3333333333334) internal successors, (1570), 3 states have internal predecessors, (1570), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:26:17,737 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 12:26:17,737 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] [2022-11-16 12:26:17,737 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-11-16 12:26:17,738 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 336 more)] === [2022-11-16 12:26:17,738 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:26:17,738 INFO L85 PathProgramCache]: Analyzing trace with hash 1697035595, now seen corresponding path program 1 times [2022-11-16 12:26:17,738 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:26:17,739 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [158452401] [2022-11-16 12:26:17,739 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:26:17,739 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:26:17,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:26:17,826 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:26:17,827 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:26:17,827 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [158452401] [2022-11-16 12:26:17,832 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [158452401] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:26:17,832 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:26:17,833 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-16 12:26:17,833 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1527935650] [2022-11-16 12:26:17,833 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:26:17,834 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 12:26:17,834 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:26:17,834 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 12:26:17,834 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 12:26:17,837 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 525 out of 707 [2022-11-16 12:26:17,838 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 496 places, 508 transitions, 1049 flow. Second operand has 3 states, 3 states have (on average 526.3333333333334) internal successors, (1579), 3 states have internal predecessors, (1579), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:26:17,839 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 12:26:17,839 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 525 of 707 [2022-11-16 12:26:17,839 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 12:26:18,120 INFO L130 PetriNetUnfolder]: 158/951 cut-off events. [2022-11-16 12:26:18,121 INFO L131 PetriNetUnfolder]: For 63/64 co-relation queries the response was YES. [2022-11-16 12:26:18,128 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1185 conditions, 951 events. 158/951 cut-off events. For 63/64 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 2578 event pairs, 10 based on Foata normal form. 0/794 useless extension candidates. Maximal degree in co-relation 1112. Up to 169 conditions per place. [2022-11-16 12:26:18,135 INFO L137 encePairwiseOnDemand]: 705/707 looper letters, 27 selfloop transitions, 1 changer transitions 0/507 dead transitions. [2022-11-16 12:26:18,135 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 497 places, 507 transitions, 1103 flow [2022-11-16 12:26:18,135 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 12:26:18,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-16 12:26:18,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1600 transitions. [2022-11-16 12:26:18,140 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.7543611504007544 [2022-11-16 12:26:18,140 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1600 transitions. [2022-11-16 12:26:18,141 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1600 transitions. [2022-11-16 12:26:18,142 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 12:26:18,142 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1600 transitions. [2022-11-16 12:26:18,145 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 533.3333333333334) internal successors, (1600), 3 states have internal predecessors, (1600), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:26:18,151 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 707.0) internal successors, (2828), 4 states have internal predecessors, (2828), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:26:18,152 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 707.0) internal successors, (2828), 4 states have internal predecessors, (2828), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:26:18,152 INFO L175 Difference]: Start difference. First operand has 496 places, 508 transitions, 1049 flow. Second operand 3 states and 1600 transitions. [2022-11-16 12:26:18,153 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 497 places, 507 transitions, 1103 flow [2022-11-16 12:26:18,157 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 495 places, 507 transitions, 1099 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-16 12:26:18,163 INFO L231 Difference]: Finished difference. Result has 495 places, 507 transitions, 1045 flow [2022-11-16 12:26:18,165 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=707, PETRI_DIFFERENCE_MINUEND_FLOW=1043, PETRI_DIFFERENCE_MINUEND_PLACES=493, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=507, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=506, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1045, PETRI_PLACES=495, PETRI_TRANSITIONS=507} [2022-11-16 12:26:18,167 INFO L288 CegarLoopForPetriNet]: 658 programPoint places, -163 predicate places. [2022-11-16 12:26:18,167 INFO L495 AbstractCegarLoop]: Abstraction has has 495 places, 507 transitions, 1045 flow [2022-11-16 12:26:18,168 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 526.3333333333334) internal successors, (1579), 3 states have internal predecessors, (1579), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:26:18,169 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 12:26:18,169 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] [2022-11-16 12:26:18,169 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-11-16 12:26:18,169 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 336 more)] === [2022-11-16 12:26:18,170 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:26:18,170 INFO L85 PathProgramCache]: Analyzing trace with hash 481655132, now seen corresponding path program 1 times [2022-11-16 12:26:18,170 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:26:18,170 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1046145190] [2022-11-16 12:26:18,171 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:26:18,171 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:26:18,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:26:18,245 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:26:18,245 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:26:18,245 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1046145190] [2022-11-16 12:26:18,245 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1046145190] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:26:18,246 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:26:18,246 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-16 12:26:18,246 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [55664303] [2022-11-16 12:26:18,246 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:26:18,247 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 12:26:18,247 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:26:18,247 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 12:26:18,248 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 12:26:18,250 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 525 out of 707 [2022-11-16 12:26:18,251 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 495 places, 507 transitions, 1045 flow. Second operand has 3 states, 3 states have (on average 526.3333333333334) internal successors, (1579), 3 states have internal predecessors, (1579), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:26:18,252 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 12:26:18,252 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 525 of 707 [2022-11-16 12:26:18,252 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 12:26:18,638 INFO L130 PetriNetUnfolder]: 158/950 cut-off events. [2022-11-16 12:26:18,639 INFO L131 PetriNetUnfolder]: For 62/63 co-relation queries the response was YES. [2022-11-16 12:26:18,645 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1184 conditions, 950 events. 158/950 cut-off events. For 62/63 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 2575 event pairs, 10 based on Foata normal form. 0/794 useless extension candidates. Maximal degree in co-relation 1110. Up to 171 conditions per place. [2022-11-16 12:26:18,651 INFO L137 encePairwiseOnDemand]: 704/707 looper letters, 27 selfloop transitions, 2 changer transitions 0/506 dead transitions. [2022-11-16 12:26:18,652 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 496 places, 506 transitions, 1101 flow [2022-11-16 12:26:18,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 12:26:18,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-16 12:26:18,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1601 transitions. [2022-11-16 12:26:18,657 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.7548326261197549 [2022-11-16 12:26:18,657 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1601 transitions. [2022-11-16 12:26:18,658 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1601 transitions. [2022-11-16 12:26:18,659 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 12:26:18,659 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1601 transitions. [2022-11-16 12:26:18,663 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 533.6666666666666) internal successors, (1601), 3 states have internal predecessors, (1601), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:26:18,668 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 707.0) internal successors, (2828), 4 states have internal predecessors, (2828), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:26:18,669 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 707.0) internal successors, (2828), 4 states have internal predecessors, (2828), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:26:18,670 INFO L175 Difference]: Start difference. First operand has 495 places, 507 transitions, 1045 flow. Second operand 3 states and 1601 transitions. [2022-11-16 12:26:18,670 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 496 places, 506 transitions, 1101 flow [2022-11-16 12:26:18,674 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 495 places, 506 transitions, 1100 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-11-16 12:26:18,682 INFO L231 Difference]: Finished difference. Result has 495 places, 506 transitions, 1046 flow [2022-11-16 12:26:18,683 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=707, PETRI_DIFFERENCE_MINUEND_FLOW=1042, PETRI_DIFFERENCE_MINUEND_PLACES=493, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=506, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=504, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1046, PETRI_PLACES=495, PETRI_TRANSITIONS=506} [2022-11-16 12:26:18,684 INFO L288 CegarLoopForPetriNet]: 658 programPoint places, -163 predicate places. [2022-11-16 12:26:18,684 INFO L495 AbstractCegarLoop]: Abstraction has has 495 places, 506 transitions, 1046 flow [2022-11-16 12:26:18,685 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 526.3333333333334) internal successors, (1579), 3 states have internal predecessors, (1579), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:26:18,685 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 12:26:18,685 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, 1, 1, 1] [2022-11-16 12:26:18,686 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-11-16 12:26:18,686 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 336 more)] === [2022-11-16 12:26:18,686 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:26:18,687 INFO L85 PathProgramCache]: Analyzing trace with hash 2032250358, now seen corresponding path program 1 times [2022-11-16 12:26:18,687 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:26:18,687 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2118430022] [2022-11-16 12:26:18,687 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:26:18,688 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:26:18,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:26:18,791 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:26:18,791 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:26:18,791 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2118430022] [2022-11-16 12:26:18,792 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2118430022] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:26:18,792 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:26:18,792 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-16 12:26:18,792 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1300432455] [2022-11-16 12:26:18,793 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:26:18,793 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 12:26:18,794 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:26:18,794 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 12:26:18,794 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 12:26:18,797 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 522 out of 707 [2022-11-16 12:26:18,800 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 495 places, 506 transitions, 1046 flow. Second operand has 3 states, 3 states have (on average 523.3333333333334) internal successors, (1570), 3 states have internal predecessors, (1570), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:26:18,801 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 12:26:18,801 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 522 of 707 [2022-11-16 12:26:18,801 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 12:26:19,166 INFO L130 PetriNetUnfolder]: 158/949 cut-off events. [2022-11-16 12:26:19,168 INFO L131 PetriNetUnfolder]: For 62/63 co-relation queries the response was YES. [2022-11-16 12:26:19,175 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1188 conditions, 949 events. 158/949 cut-off events. For 62/63 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 2575 event pairs, 10 based on Foata normal form. 0/794 useless extension candidates. Maximal degree in co-relation 1114. Up to 174 conditions per place. [2022-11-16 12:26:19,182 INFO L137 encePairwiseOnDemand]: 704/707 looper letters, 30 selfloop transitions, 2 changer transitions 0/505 dead transitions. [2022-11-16 12:26:19,182 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 496 places, 505 transitions, 1108 flow [2022-11-16 12:26:19,182 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 12:26:19,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-16 12:26:19,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1595 transitions. [2022-11-16 12:26:19,186 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.752003771805752 [2022-11-16 12:26:19,186 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1595 transitions. [2022-11-16 12:26:19,187 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1595 transitions. [2022-11-16 12:26:19,188 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 12:26:19,188 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1595 transitions. [2022-11-16 12:26:19,191 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 531.6666666666666) internal successors, (1595), 3 states have internal predecessors, (1595), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:26:19,195 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 707.0) internal successors, (2828), 4 states have internal predecessors, (2828), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:26:19,196 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 707.0) internal successors, (2828), 4 states have internal predecessors, (2828), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:26:19,196 INFO L175 Difference]: Start difference. First operand has 495 places, 506 transitions, 1046 flow. Second operand 3 states and 1595 transitions. [2022-11-16 12:26:19,196 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 496 places, 505 transitions, 1108 flow [2022-11-16 12:26:19,201 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 494 places, 505 transitions, 1104 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-16 12:26:19,207 INFO L231 Difference]: Finished difference. Result has 494 places, 505 transitions, 1044 flow [2022-11-16 12:26:19,208 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=707, PETRI_DIFFERENCE_MINUEND_FLOW=1040, PETRI_DIFFERENCE_MINUEND_PLACES=492, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=505, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=503, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1044, PETRI_PLACES=494, PETRI_TRANSITIONS=505} [2022-11-16 12:26:19,209 INFO L288 CegarLoopForPetriNet]: 658 programPoint places, -164 predicate places. [2022-11-16 12:26:19,209 INFO L495 AbstractCegarLoop]: Abstraction has has 494 places, 505 transitions, 1044 flow [2022-11-16 12:26:19,210 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 523.3333333333334) internal successors, (1570), 3 states have internal predecessors, (1570), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:26:19,210 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 12:26:19,210 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, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:26:19,211 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-11-16 12:26:19,211 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 336 more)] === [2022-11-16 12:26:19,211 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:26:19,211 INFO L85 PathProgramCache]: Analyzing trace with hash -1706811997, now seen corresponding path program 1 times [2022-11-16 12:26:19,212 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:26:19,212 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [535606525] [2022-11-16 12:26:19,212 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:26:19,212 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:26:19,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:26:19,269 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:26:19,269 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:26:19,269 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [535606525] [2022-11-16 12:26:19,271 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [535606525] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:26:19,272 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:26:19,272 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-16 12:26:19,272 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1463561267] [2022-11-16 12:26:19,272 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:26:19,273 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 12:26:19,274 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:26:19,274 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 12:26:19,274 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 12:26:19,276 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 525 out of 707 [2022-11-16 12:26:19,278 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 494 places, 505 transitions, 1044 flow. Second operand has 3 states, 3 states have (on average 526.3333333333334) internal successors, (1579), 3 states have internal predecessors, (1579), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:26:19,278 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 12:26:19,278 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 525 of 707 [2022-11-16 12:26:19,278 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 12:26:19,787 INFO L130 PetriNetUnfolder]: 300/1384 cut-off events. [2022-11-16 12:26:19,788 INFO L131 PetriNetUnfolder]: For 119/120 co-relation queries the response was YES. [2022-11-16 12:26:19,801 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1815 conditions, 1384 events. 300/1384 cut-off events. For 119/120 co-relation queries the response was YES. Maximal size of possible extension queue 24. Compared 5292 event pairs, 16 based on Foata normal form. 0/1151 useless extension candidates. Maximal degree in co-relation 1742. Up to 167 conditions per place. [2022-11-16 12:26:19,812 INFO L137 encePairwiseOnDemand]: 704/707 looper letters, 48 selfloop transitions, 2 changer transitions 0/526 dead transitions. [2022-11-16 12:26:19,812 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 495 places, 526 transitions, 1208 flow [2022-11-16 12:26:19,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 12:26:19,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-16 12:26:19,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1618 transitions. [2022-11-16 12:26:19,817 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.7628477133427628 [2022-11-16 12:26:19,817 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1618 transitions. [2022-11-16 12:26:19,817 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1618 transitions. [2022-11-16 12:26:19,819 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 12:26:19,819 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1618 transitions. [2022-11-16 12:26:19,822 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 539.3333333333334) internal successors, (1618), 3 states have internal predecessors, (1618), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:26:19,826 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 707.0) internal successors, (2828), 4 states have internal predecessors, (2828), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:26:19,828 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 707.0) internal successors, (2828), 4 states have internal predecessors, (2828), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:26:19,829 INFO L175 Difference]: Start difference. First operand has 494 places, 505 transitions, 1044 flow. Second operand 3 states and 1618 transitions. [2022-11-16 12:26:19,829 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 495 places, 526 transitions, 1208 flow [2022-11-16 12:26:19,833 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 493 places, 526 transitions, 1204 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-16 12:26:19,839 INFO L231 Difference]: Finished difference. Result has 494 places, 505 transitions, 1048 flow [2022-11-16 12:26:19,840 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=707, PETRI_DIFFERENCE_MINUEND_FLOW=1038, PETRI_DIFFERENCE_MINUEND_PLACES=491, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=504, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=502, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1048, PETRI_PLACES=494, PETRI_TRANSITIONS=505} [2022-11-16 12:26:19,841 INFO L288 CegarLoopForPetriNet]: 658 programPoint places, -164 predicate places. [2022-11-16 12:26:19,843 INFO L495 AbstractCegarLoop]: Abstraction has has 494 places, 505 transitions, 1048 flow [2022-11-16 12:26:19,844 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 526.3333333333334) internal successors, (1579), 3 states have internal predecessors, (1579), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:26:19,844 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 12:26:19,845 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:26:19,845 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-11-16 12:26:19,845 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 336 more)] === [2022-11-16 12:26:19,846 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:26:19,846 INFO L85 PathProgramCache]: Analyzing trace with hash 2139215130, now seen corresponding path program 1 times [2022-11-16 12:26:19,846 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:26:19,846 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [596734239] [2022-11-16 12:26:19,846 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:26:19,847 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:26:19,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:26:19,913 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:26:19,914 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:26:19,914 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [596734239] [2022-11-16 12:26:19,914 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [596734239] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:26:19,914 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:26:19,914 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-16 12:26:19,915 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1567379533] [2022-11-16 12:26:19,915 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:26:19,916 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 12:26:19,916 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:26:19,917 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 12:26:19,917 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 12:26:19,919 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 525 out of 707 [2022-11-16 12:26:19,921 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 494 places, 505 transitions, 1048 flow. Second operand has 3 states, 3 states have (on average 526.3333333333334) internal successors, (1579), 3 states have internal predecessors, (1579), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:26:19,921 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 12:26:19,921 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 525 of 707 [2022-11-16 12:26:19,921 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 12:26:20,444 INFO L130 PetriNetUnfolder]: 300/1403 cut-off events. [2022-11-16 12:26:20,445 INFO L131 PetriNetUnfolder]: For 143/147 co-relation queries the response was YES. [2022-11-16 12:26:20,456 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1871 conditions, 1403 events. 300/1403 cut-off events. For 143/147 co-relation queries the response was YES. Maximal size of possible extension queue 26. Compared 5521 event pairs, 30 based on Foata normal form. 0/1142 useless extension candidates. Maximal degree in co-relation 1796. Up to 323 conditions per place. [2022-11-16 12:26:20,466 INFO L137 encePairwiseOnDemand]: 704/707 looper letters, 28 selfloop transitions, 2 changer transitions 0/504 dead transitions. [2022-11-16 12:26:20,467 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 495 places, 504 transitions, 1106 flow [2022-11-16 12:26:20,467 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 12:26:20,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-16 12:26:20,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1601 transitions. [2022-11-16 12:26:20,471 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.7548326261197549 [2022-11-16 12:26:20,471 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1601 transitions. [2022-11-16 12:26:20,471 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1601 transitions. [2022-11-16 12:26:20,472 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 12:26:20,472 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1601 transitions. [2022-11-16 12:26:20,476 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 533.6666666666666) internal successors, (1601), 3 states have internal predecessors, (1601), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:26:20,480 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 707.0) internal successors, (2828), 4 states have internal predecessors, (2828), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:26:20,481 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 707.0) internal successors, (2828), 4 states have internal predecessors, (2828), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:26:20,481 INFO L175 Difference]: Start difference. First operand has 494 places, 505 transitions, 1048 flow. Second operand 3 states and 1601 transitions. [2022-11-16 12:26:20,481 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 495 places, 504 transitions, 1106 flow [2022-11-16 12:26:20,485 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 494 places, 504 transitions, 1104 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-11-16 12:26:20,490 INFO L231 Difference]: Finished difference. Result has 494 places, 504 transitions, 1048 flow [2022-11-16 12:26:20,492 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=707, PETRI_DIFFERENCE_MINUEND_FLOW=1044, PETRI_DIFFERENCE_MINUEND_PLACES=492, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=504, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=502, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1048, PETRI_PLACES=494, PETRI_TRANSITIONS=504} [2022-11-16 12:26:20,493 INFO L288 CegarLoopForPetriNet]: 658 programPoint places, -164 predicate places. [2022-11-16 12:26:20,493 INFO L495 AbstractCegarLoop]: Abstraction has has 494 places, 504 transitions, 1048 flow [2022-11-16 12:26:20,494 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 526.3333333333334) internal successors, (1579), 3 states have internal predecessors, (1579), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:26:20,494 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 12:26:20,494 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:26:20,495 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-11-16 12:26:20,495 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 336 more)] === [2022-11-16 12:26:20,495 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:26:20,495 INFO L85 PathProgramCache]: Analyzing trace with hash -144429439, now seen corresponding path program 1 times [2022-11-16 12:26:20,495 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:26:20,496 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [608661866] [2022-11-16 12:26:20,496 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:26:20,496 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:26:20,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:26:20,556 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:26:20,556 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:26:20,557 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [608661866] [2022-11-16 12:26:20,557 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [608661866] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:26:20,557 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:26:20,557 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-16 12:26:20,557 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [619153800] [2022-11-16 12:26:20,557 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:26:20,558 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 12:26:20,558 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:26:20,559 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 12:26:20,559 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 12:26:20,561 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 522 out of 707 [2022-11-16 12:26:20,562 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 494 places, 504 transitions, 1048 flow. Second operand has 3 states, 3 states have (on average 523.3333333333334) internal successors, (1570), 3 states have internal predecessors, (1570), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:26:20,562 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 12:26:20,562 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 522 of 707 [2022-11-16 12:26:20,562 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 12:26:21,056 INFO L130 PetriNetUnfolder]: 300/1402 cut-off events. [2022-11-16 12:26:21,056 INFO L131 PetriNetUnfolder]: For 142/146 co-relation queries the response was YES. [2022-11-16 12:26:21,072 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1863 conditions, 1402 events. 300/1402 cut-off events. For 142/146 co-relation queries the response was YES. Maximal size of possible extension queue 25. Compared 5518 event pairs, 30 based on Foata normal form. 0/1142 useless extension candidates. Maximal degree in co-relation 1788. Up to 326 conditions per place. [2022-11-16 12:26:21,084 INFO L137 encePairwiseOnDemand]: 704/707 looper letters, 31 selfloop transitions, 2 changer transitions 0/503 dead transitions. [2022-11-16 12:26:21,084 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 495 places, 503 transitions, 1112 flow [2022-11-16 12:26:21,085 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 12:26:21,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-16 12:26:21,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1595 transitions. [2022-11-16 12:26:21,089 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.752003771805752 [2022-11-16 12:26:21,089 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1595 transitions. [2022-11-16 12:26:21,089 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1595 transitions. [2022-11-16 12:26:21,090 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 12:26:21,091 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1595 transitions. [2022-11-16 12:26:21,094 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 531.6666666666666) internal successors, (1595), 3 states have internal predecessors, (1595), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:26:21,098 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 707.0) internal successors, (2828), 4 states have internal predecessors, (2828), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:26:21,099 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 707.0) internal successors, (2828), 4 states have internal predecessors, (2828), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:26:21,099 INFO L175 Difference]: Start difference. First operand has 494 places, 504 transitions, 1048 flow. Second operand 3 states and 1595 transitions. [2022-11-16 12:26:21,099 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 495 places, 503 transitions, 1112 flow [2022-11-16 12:26:21,103 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 493 places, 503 transitions, 1108 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-16 12:26:21,109 INFO L231 Difference]: Finished difference. Result has 493 places, 503 transitions, 1046 flow [2022-11-16 12:26:21,110 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=707, PETRI_DIFFERENCE_MINUEND_FLOW=1042, PETRI_DIFFERENCE_MINUEND_PLACES=491, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=503, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=501, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1046, PETRI_PLACES=493, PETRI_TRANSITIONS=503} [2022-11-16 12:26:21,111 INFO L288 CegarLoopForPetriNet]: 658 programPoint places, -165 predicate places. [2022-11-16 12:26:21,111 INFO L495 AbstractCegarLoop]: Abstraction has has 493 places, 503 transitions, 1046 flow [2022-11-16 12:26:21,112 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 523.3333333333334) internal successors, (1570), 3 states have internal predecessors, (1570), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:26:21,112 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 12:26:21,112 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:26:21,112 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-11-16 12:26:21,113 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 336 more)] === [2022-11-16 12:26:21,113 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:26:21,113 INFO L85 PathProgramCache]: Analyzing trace with hash 971781887, now seen corresponding path program 1 times [2022-11-16 12:26:21,113 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:26:21,114 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [66602242] [2022-11-16 12:26:21,114 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:26:21,114 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:26:21,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:26:21,188 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:26:21,188 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:26:21,188 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [66602242] [2022-11-16 12:26:21,188 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [66602242] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:26:21,189 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:26:21,189 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-16 12:26:21,189 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1410369152] [2022-11-16 12:26:21,189 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:26:21,191 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 12:26:21,191 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:26:21,191 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 12:26:21,192 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 12:26:21,194 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 525 out of 707 [2022-11-16 12:26:21,195 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 493 places, 503 transitions, 1046 flow. Second operand has 3 states, 3 states have (on average 526.3333333333334) internal successors, (1579), 3 states have internal predecessors, (1579), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:26:21,196 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 12:26:21,196 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 525 of 707 [2022-11-16 12:26:21,196 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 12:26:21,689 INFO L130 PetriNetUnfolder]: 300/1401 cut-off events. [2022-11-16 12:26:21,689 INFO L131 PetriNetUnfolder]: For 143/147 co-relation queries the response was YES. [2022-11-16 12:26:21,703 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1858 conditions, 1401 events. 300/1401 cut-off events. For 143/147 co-relation queries the response was YES. Maximal size of possible extension queue 25. Compared 5515 event pairs, 30 based on Foata normal form. 0/1142 useless extension candidates. Maximal degree in co-relation 1784. Up to 321 conditions per place. [2022-11-16 12:26:21,713 INFO L137 encePairwiseOnDemand]: 705/707 looper letters, 28 selfloop transitions, 1 changer transitions 0/502 dead transitions. [2022-11-16 12:26:21,713 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 494 places, 502 transitions, 1102 flow [2022-11-16 12:26:21,714 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 12:26:21,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-16 12:26:21,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1600 transitions. [2022-11-16 12:26:21,718 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.7543611504007544 [2022-11-16 12:26:21,718 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1600 transitions. [2022-11-16 12:26:21,718 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1600 transitions. [2022-11-16 12:26:21,720 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 12:26:21,720 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1600 transitions. [2022-11-16 12:26:21,726 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 533.3333333333334) internal successors, (1600), 3 states have internal predecessors, (1600), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:26:21,730 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 707.0) internal successors, (2828), 4 states have internal predecessors, (2828), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:26:21,731 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 707.0) internal successors, (2828), 4 states have internal predecessors, (2828), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:26:21,731 INFO L175 Difference]: Start difference. First operand has 493 places, 503 transitions, 1046 flow. Second operand 3 states and 1600 transitions. [2022-11-16 12:26:21,731 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 494 places, 502 transitions, 1102 flow [2022-11-16 12:26:21,735 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 492 places, 502 transitions, 1098 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-16 12:26:21,740 INFO L231 Difference]: Finished difference. Result has 492 places, 502 transitions, 1042 flow [2022-11-16 12:26:21,741 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=707, PETRI_DIFFERENCE_MINUEND_FLOW=1040, PETRI_DIFFERENCE_MINUEND_PLACES=490, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=502, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=501, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1042, PETRI_PLACES=492, PETRI_TRANSITIONS=502} [2022-11-16 12:26:21,741 INFO L288 CegarLoopForPetriNet]: 658 programPoint places, -166 predicate places. [2022-11-16 12:26:21,741 INFO L495 AbstractCegarLoop]: Abstraction has has 492 places, 502 transitions, 1042 flow [2022-11-16 12:26:21,742 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 526.3333333333334) internal successors, (1579), 3 states have internal predecessors, (1579), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:26:21,742 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 12:26:21,743 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:26:21,743 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-11-16 12:26:21,743 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 336 more)] === [2022-11-16 12:26:21,743 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:26:21,744 INFO L85 PathProgramCache]: Analyzing trace with hash -2080319400, now seen corresponding path program 1 times [2022-11-16 12:26:21,744 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:26:21,744 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2060401773] [2022-11-16 12:26:21,744 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:26:21,744 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:26:21,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:26:21,806 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:26:21,807 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:26:21,807 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2060401773] [2022-11-16 12:26:21,807 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2060401773] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:26:21,807 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:26:21,807 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-16 12:26:21,808 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [537563029] [2022-11-16 12:26:21,808 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:26:21,808 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 12:26:21,808 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:26:21,809 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 12:26:21,809 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 12:26:21,811 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 525 out of 707 [2022-11-16 12:26:21,812 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 492 places, 502 transitions, 1042 flow. Second operand has 3 states, 3 states have (on average 526.3333333333334) internal successors, (1579), 3 states have internal predecessors, (1579), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:26:21,813 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 12:26:21,813 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 525 of 707 [2022-11-16 12:26:21,813 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 12:26:22,381 INFO L130 PetriNetUnfolder]: 300/1400 cut-off events. [2022-11-16 12:26:22,381 INFO L131 PetriNetUnfolder]: For 142/146 co-relation queries the response was YES. [2022-11-16 12:26:22,396 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1857 conditions, 1400 events. 300/1400 cut-off events. For 142/146 co-relation queries the response was YES. Maximal size of possible extension queue 26. Compared 5509 event pairs, 30 based on Foata normal form. 0/1142 useless extension candidates. Maximal degree in co-relation 1782. Up to 323 conditions per place. [2022-11-16 12:26:22,409 INFO L137 encePairwiseOnDemand]: 704/707 looper letters, 28 selfloop transitions, 2 changer transitions 0/501 dead transitions. [2022-11-16 12:26:22,410 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 493 places, 501 transitions, 1100 flow [2022-11-16 12:26:22,410 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 12:26:22,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-16 12:26:22,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1601 transitions. [2022-11-16 12:26:22,416 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.7548326261197549 [2022-11-16 12:26:22,416 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1601 transitions. [2022-11-16 12:26:22,416 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1601 transitions. [2022-11-16 12:26:22,417 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 12:26:22,418 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1601 transitions. [2022-11-16 12:26:22,422 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 533.6666666666666) internal successors, (1601), 3 states have internal predecessors, (1601), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:26:22,428 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 707.0) internal successors, (2828), 4 states have internal predecessors, (2828), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:26:22,429 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 707.0) internal successors, (2828), 4 states have internal predecessors, (2828), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:26:22,430 INFO L175 Difference]: Start difference. First operand has 492 places, 502 transitions, 1042 flow. Second operand 3 states and 1601 transitions. [2022-11-16 12:26:22,430 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 493 places, 501 transitions, 1100 flow [2022-11-16 12:26:22,434 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 492 places, 501 transitions, 1099 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-11-16 12:26:22,442 INFO L231 Difference]: Finished difference. Result has 492 places, 501 transitions, 1043 flow [2022-11-16 12:26:22,443 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=707, PETRI_DIFFERENCE_MINUEND_FLOW=1039, PETRI_DIFFERENCE_MINUEND_PLACES=490, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=501, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=499, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1043, PETRI_PLACES=492, PETRI_TRANSITIONS=501} [2022-11-16 12:26:22,444 INFO L288 CegarLoopForPetriNet]: 658 programPoint places, -166 predicate places. [2022-11-16 12:26:22,444 INFO L495 AbstractCegarLoop]: Abstraction has has 492 places, 501 transitions, 1043 flow [2022-11-16 12:26:22,445 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 526.3333333333334) internal successors, (1579), 3 states have internal predecessors, (1579), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:26:22,445 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 12:26:22,446 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:26:22,446 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-11-16 12:26:22,446 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 336 more)] === [2022-11-16 12:26:22,447 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:26:22,447 INFO L85 PathProgramCache]: Analyzing trace with hash -1503952745, now seen corresponding path program 1 times [2022-11-16 12:26:22,447 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:26:22,448 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1004093431] [2022-11-16 12:26:22,448 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:26:22,448 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:26:22,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:26:22,555 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:26:22,556 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:26:22,556 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1004093431] [2022-11-16 12:26:22,556 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1004093431] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:26:22,557 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:26:22,557 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-16 12:26:22,557 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [487348079] [2022-11-16 12:26:22,557 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:26:22,558 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 12:26:22,558 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:26:22,559 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 12:26:22,559 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 12:26:22,562 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 522 out of 707 [2022-11-16 12:26:22,564 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 492 places, 501 transitions, 1043 flow. Second operand has 3 states, 3 states have (on average 523.3333333333334) internal successors, (1570), 3 states have internal predecessors, (1570), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:26:22,564 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 12:26:22,565 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 522 of 707 [2022-11-16 12:26:22,565 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 12:26:23,075 INFO L130 PetriNetUnfolder]: 300/1399 cut-off events. [2022-11-16 12:26:23,075 INFO L131 PetriNetUnfolder]: For 142/146 co-relation queries the response was YES. [2022-11-16 12:26:23,091 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1861 conditions, 1399 events. 300/1399 cut-off events. For 142/146 co-relation queries the response was YES. Maximal size of possible extension queue 26. Compared 5538 event pairs, 30 based on Foata normal form. 0/1142 useless extension candidates. Maximal degree in co-relation 1786. Up to 326 conditions per place. [2022-11-16 12:26:23,103 INFO L137 encePairwiseOnDemand]: 704/707 looper letters, 31 selfloop transitions, 2 changer transitions 0/500 dead transitions. [2022-11-16 12:26:23,103 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 493 places, 500 transitions, 1107 flow [2022-11-16 12:26:23,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 12:26:23,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-16 12:26:23,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1595 transitions. [2022-11-16 12:26:23,109 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.752003771805752 [2022-11-16 12:26:23,109 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1595 transitions. [2022-11-16 12:26:23,109 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1595 transitions. [2022-11-16 12:26:23,110 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 12:26:23,110 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1595 transitions. [2022-11-16 12:26:23,114 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 531.6666666666666) internal successors, (1595), 3 states have internal predecessors, (1595), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:26:23,121 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 707.0) internal successors, (2828), 4 states have internal predecessors, (2828), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:26:23,122 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 707.0) internal successors, (2828), 4 states have internal predecessors, (2828), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:26:23,122 INFO L175 Difference]: Start difference. First operand has 492 places, 501 transitions, 1043 flow. Second operand 3 states and 1595 transitions. [2022-11-16 12:26:23,122 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 493 places, 500 transitions, 1107 flow [2022-11-16 12:26:23,126 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 491 places, 500 transitions, 1103 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-16 12:26:23,133 INFO L231 Difference]: Finished difference. Result has 491 places, 500 transitions, 1041 flow [2022-11-16 12:26:23,134 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=707, PETRI_DIFFERENCE_MINUEND_FLOW=1037, PETRI_DIFFERENCE_MINUEND_PLACES=489, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=500, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=498, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1041, PETRI_PLACES=491, PETRI_TRANSITIONS=500} [2022-11-16 12:26:23,134 INFO L288 CegarLoopForPetriNet]: 658 programPoint places, -167 predicate places. [2022-11-16 12:26:23,134 INFO L495 AbstractCegarLoop]: Abstraction has has 491 places, 500 transitions, 1041 flow [2022-11-16 12:26:23,135 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 523.3333333333334) internal successors, (1570), 3 states have internal predecessors, (1570), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:26:23,136 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 12:26:23,136 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:26:23,136 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2022-11-16 12:26:23,136 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr23ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 336 more)] === [2022-11-16 12:26:23,137 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:26:23,137 INFO L85 PathProgramCache]: Analyzing trace with hash 439475175, now seen corresponding path program 1 times [2022-11-16 12:26:23,137 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:26:23,137 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1432017948] [2022-11-16 12:26:23,138 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:26:23,138 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:26:23,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:26:23,213 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:26:23,214 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:26:23,214 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1432017948] [2022-11-16 12:26:23,214 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1432017948] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:26:23,214 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:26:23,214 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-16 12:26:23,215 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1504075077] [2022-11-16 12:26:23,215 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:26:23,215 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 12:26:23,216 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:26:23,216 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 12:26:23,216 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 12:26:23,218 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 525 out of 707 [2022-11-16 12:26:23,220 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 491 places, 500 transitions, 1041 flow. Second operand has 3 states, 3 states have (on average 526.3333333333334) internal successors, (1579), 3 states have internal predecessors, (1579), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:26:23,221 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 12:26:23,221 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 525 of 707 [2022-11-16 12:26:23,221 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 12:26:24,023 INFO L130 PetriNetUnfolder]: 552/2202 cut-off events. [2022-11-16 12:26:24,023 INFO L131 PetriNetUnfolder]: For 263/273 co-relation queries the response was YES. [2022-11-16 12:26:24,050 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3020 conditions, 2202 events. 552/2202 cut-off events. For 263/273 co-relation queries the response was YES. Maximal size of possible extension queue 45. Compared 11633 event pairs, 30 based on Foata normal form. 6/1795 useless extension candidates. Maximal degree in co-relation 2946. Up to 299 conditions per place. [2022-11-16 12:26:24,070 INFO L137 encePairwiseOnDemand]: 704/707 looper letters, 49 selfloop transitions, 2 changer transitions 0/521 dead transitions. [2022-11-16 12:26:24,070 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 492 places, 521 transitions, 1210 flow [2022-11-16 12:26:24,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 12:26:24,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-16 12:26:24,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1617 transitions. [2022-11-16 12:26:24,074 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.7623762376237624 [2022-11-16 12:26:24,075 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1617 transitions. [2022-11-16 12:26:24,075 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1617 transitions. [2022-11-16 12:26:24,076 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 12:26:24,076 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1617 transitions. [2022-11-16 12:26:24,079 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 539.0) internal successors, (1617), 3 states have internal predecessors, (1617), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:26:24,082 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 707.0) internal successors, (2828), 4 states have internal predecessors, (2828), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:26:24,083 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 707.0) internal successors, (2828), 4 states have internal predecessors, (2828), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:26:24,083 INFO L175 Difference]: Start difference. First operand has 491 places, 500 transitions, 1041 flow. Second operand 3 states and 1617 transitions. [2022-11-16 12:26:24,084 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 492 places, 521 transitions, 1210 flow [2022-11-16 12:26:24,087 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 490 places, 521 transitions, 1206 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-16 12:26:24,092 INFO L231 Difference]: Finished difference. Result has 491 places, 500 transitions, 1045 flow [2022-11-16 12:26:24,093 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=707, PETRI_DIFFERENCE_MINUEND_FLOW=1035, PETRI_DIFFERENCE_MINUEND_PLACES=488, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=499, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=497, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1045, PETRI_PLACES=491, PETRI_TRANSITIONS=500} [2022-11-16 12:26:24,094 INFO L288 CegarLoopForPetriNet]: 658 programPoint places, -167 predicate places. [2022-11-16 12:26:24,094 INFO L495 AbstractCegarLoop]: Abstraction has has 491 places, 500 transitions, 1045 flow [2022-11-16 12:26:24,094 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 526.3333333333334) internal successors, (1579), 3 states have internal predecessors, (1579), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:26:24,094 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 12:26:24,095 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:26:24,095 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2022-11-16 12:26:24,095 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr24ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 336 more)] === [2022-11-16 12:26:24,095 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:26:24,096 INFO L85 PathProgramCache]: Analyzing trace with hash -1163012207, now seen corresponding path program 1 times [2022-11-16 12:26:24,096 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:26:24,096 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1201432101] [2022-11-16 12:26:24,096 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:26:24,096 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:26:24,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:26:24,180 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:26:24,180 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:26:24,180 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1201432101] [2022-11-16 12:26:24,180 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1201432101] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:26:24,180 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:26:24,181 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-16 12:26:24,182 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1175784428] [2022-11-16 12:26:24,182 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:26:24,185 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 12:26:24,185 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:26:24,185 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 12:26:24,186 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 12:26:24,188 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 525 out of 707 [2022-11-16 12:26:24,190 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 491 places, 500 transitions, 1045 flow. Second operand has 3 states, 3 states have (on average 526.3333333333334) internal successors, (1579), 3 states have internal predecessors, (1579), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:26:24,190 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 12:26:24,190 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 525 of 707 [2022-11-16 12:26:24,190 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 12:26:24,931 INFO L130 PetriNetUnfolder]: 548/2225 cut-off events. [2022-11-16 12:26:24,931 INFO L131 PetriNetUnfolder]: For 319/323 co-relation queries the response was YES. [2022-11-16 12:26:24,950 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3128 conditions, 2225 events. 548/2225 cut-off events. For 319/323 co-relation queries the response was YES. Maximal size of possible extension queue 44. Compared 11792 event pairs, 82 based on Foata normal form. 0/1805 useless extension candidates. Maximal degree in co-relation 3052. Up to 591 conditions per place. [2022-11-16 12:26:24,970 INFO L137 encePairwiseOnDemand]: 704/707 looper letters, 29 selfloop transitions, 2 changer transitions 0/499 dead transitions. [2022-11-16 12:26:24,971 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 492 places, 499 transitions, 1105 flow [2022-11-16 12:26:24,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 12:26:24,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-16 12:26:24,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1601 transitions. [2022-11-16 12:26:24,975 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.7548326261197549 [2022-11-16 12:26:24,975 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1601 transitions. [2022-11-16 12:26:24,975 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1601 transitions. [2022-11-16 12:26:24,976 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 12:26:24,976 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1601 transitions. [2022-11-16 12:26:24,979 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 533.6666666666666) internal successors, (1601), 3 states have internal predecessors, (1601), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:26:24,983 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 707.0) internal successors, (2828), 4 states have internal predecessors, (2828), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:26:24,984 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 707.0) internal successors, (2828), 4 states have internal predecessors, (2828), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:26:24,984 INFO L175 Difference]: Start difference. First operand has 491 places, 500 transitions, 1045 flow. Second operand 3 states and 1601 transitions. [2022-11-16 12:26:24,984 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 492 places, 499 transitions, 1105 flow [2022-11-16 12:26:24,987 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 491 places, 499 transitions, 1103 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-11-16 12:26:24,993 INFO L231 Difference]: Finished difference. Result has 491 places, 499 transitions, 1045 flow [2022-11-16 12:26:24,994 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=707, PETRI_DIFFERENCE_MINUEND_FLOW=1041, PETRI_DIFFERENCE_MINUEND_PLACES=489, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=499, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=497, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1045, PETRI_PLACES=491, PETRI_TRANSITIONS=499} [2022-11-16 12:26:24,994 INFO L288 CegarLoopForPetriNet]: 658 programPoint places, -167 predicate places. [2022-11-16 12:26:24,994 INFO L495 AbstractCegarLoop]: Abstraction has has 491 places, 499 transitions, 1045 flow [2022-11-16 12:26:24,995 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 526.3333333333334) internal successors, (1579), 3 states have internal predecessors, (1579), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:26:24,995 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 12:26:24,995 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:26:24,996 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2022-11-16 12:26:24,996 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr25ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 336 more)] === [2022-11-16 12:26:24,996 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:26:24,996 INFO L85 PathProgramCache]: Analyzing trace with hash 667067524, now seen corresponding path program 1 times [2022-11-16 12:26:24,997 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:26:24,997 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1567500739] [2022-11-16 12:26:24,997 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:26:24,997 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:26:25,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:26:25,072 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:26:25,072 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:26:25,072 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1567500739] [2022-11-16 12:26:25,073 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1567500739] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:26:25,073 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:26:25,073 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-16 12:26:25,073 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1623519847] [2022-11-16 12:26:25,073 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:26:25,074 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 12:26:25,074 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:26:25,075 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 12:26:25,075 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 12:26:25,077 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 522 out of 707 [2022-11-16 12:26:25,079 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 491 places, 499 transitions, 1045 flow. Second operand has 3 states, 3 states have (on average 523.3333333333334) internal successors, (1570), 3 states have internal predecessors, (1570), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:26:25,079 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 12:26:25,079 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 522 of 707 [2022-11-16 12:26:25,079 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 12:26:25,854 INFO L130 PetriNetUnfolder]: 548/2224 cut-off events. [2022-11-16 12:26:25,854 INFO L131 PetriNetUnfolder]: For 318/322 co-relation queries the response was YES. [2022-11-16 12:26:25,878 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3104 conditions, 2224 events. 548/2224 cut-off events. For 318/322 co-relation queries the response was YES. Maximal size of possible extension queue 44. Compared 11792 event pairs, 82 based on Foata normal form. 0/1805 useless extension candidates. Maximal degree in co-relation 3028. Up to 594 conditions per place. [2022-11-16 12:26:25,897 INFO L137 encePairwiseOnDemand]: 704/707 looper letters, 32 selfloop transitions, 2 changer transitions 0/498 dead transitions. [2022-11-16 12:26:25,898 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 492 places, 498 transitions, 1111 flow [2022-11-16 12:26:25,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 12:26:25,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-16 12:26:25,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1595 transitions. [2022-11-16 12:26:25,902 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.752003771805752 [2022-11-16 12:26:25,902 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1595 transitions. [2022-11-16 12:26:25,903 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1595 transitions. [2022-11-16 12:26:25,904 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 12:26:25,904 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1595 transitions. [2022-11-16 12:26:25,907 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 531.6666666666666) internal successors, (1595), 3 states have internal predecessors, (1595), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:26:25,910 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 707.0) internal successors, (2828), 4 states have internal predecessors, (2828), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:26:25,911 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 707.0) internal successors, (2828), 4 states have internal predecessors, (2828), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:26:25,911 INFO L175 Difference]: Start difference. First operand has 491 places, 499 transitions, 1045 flow. Second operand 3 states and 1595 transitions. [2022-11-16 12:26:25,911 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 492 places, 498 transitions, 1111 flow [2022-11-16 12:26:25,915 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 490 places, 498 transitions, 1107 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-16 12:26:25,920 INFO L231 Difference]: Finished difference. Result has 490 places, 498 transitions, 1043 flow [2022-11-16 12:26:25,921 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=707, PETRI_DIFFERENCE_MINUEND_FLOW=1039, PETRI_DIFFERENCE_MINUEND_PLACES=488, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=498, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=496, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1043, PETRI_PLACES=490, PETRI_TRANSITIONS=498} [2022-11-16 12:26:25,922 INFO L288 CegarLoopForPetriNet]: 658 programPoint places, -168 predicate places. [2022-11-16 12:26:25,923 INFO L495 AbstractCegarLoop]: Abstraction has has 490 places, 498 transitions, 1043 flow [2022-11-16 12:26:25,923 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 523.3333333333334) internal successors, (1570), 3 states have internal predecessors, (1570), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:26:25,923 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 12:26:25,924 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:26:25,924 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2022-11-16 12:26:25,926 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr26ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 336 more)] === [2022-11-16 12:26:25,927 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:26:25,927 INFO L85 PathProgramCache]: Analyzing trace with hash -1959279333, now seen corresponding path program 1 times [2022-11-16 12:26:25,927 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:26:25,927 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [651898153] [2022-11-16 12:26:25,928 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:26:25,928 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:26:25,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:26:26,019 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:26:26,019 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:26:26,020 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [651898153] [2022-11-16 12:26:26,020 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [651898153] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:26:26,020 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:26:26,020 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-16 12:26:26,020 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2054456434] [2022-11-16 12:26:26,021 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:26:26,021 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 12:26:26,021 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:26:26,022 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 12:26:26,022 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 12:26:26,024 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 525 out of 707 [2022-11-16 12:26:26,026 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 490 places, 498 transitions, 1043 flow. Second operand has 3 states, 3 states have (on average 526.3333333333334) internal successors, (1579), 3 states have internal predecessors, (1579), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:26:26,026 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 12:26:26,026 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 525 of 707 [2022-11-16 12:26:26,027 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 12:26:26,884 INFO L130 PetriNetUnfolder]: 548/2223 cut-off events. [2022-11-16 12:26:26,884 INFO L131 PetriNetUnfolder]: For 319/323 co-relation queries the response was YES. [2022-11-16 12:26:26,908 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3099 conditions, 2223 events. 548/2223 cut-off events. For 319/323 co-relation queries the response was YES. Maximal size of possible extension queue 44. Compared 11773 event pairs, 82 based on Foata normal form. 0/1805 useless extension candidates. Maximal degree in co-relation 3024. Up to 589 conditions per place. [2022-11-16 12:26:26,927 INFO L137 encePairwiseOnDemand]: 705/707 looper letters, 29 selfloop transitions, 1 changer transitions 0/497 dead transitions. [2022-11-16 12:26:26,927 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 491 places, 497 transitions, 1101 flow [2022-11-16 12:26:26,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 12:26:26,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-16 12:26:26,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1600 transitions. [2022-11-16 12:26:26,932 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.7543611504007544 [2022-11-16 12:26:26,933 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1600 transitions. [2022-11-16 12:26:26,933 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1600 transitions. [2022-11-16 12:26:26,934 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 12:26:26,934 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1600 transitions. [2022-11-16 12:26:26,937 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 533.3333333333334) internal successors, (1600), 3 states have internal predecessors, (1600), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:26:26,940 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 707.0) internal successors, (2828), 4 states have internal predecessors, (2828), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:26:26,941 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 707.0) internal successors, (2828), 4 states have internal predecessors, (2828), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:26:26,941 INFO L175 Difference]: Start difference. First operand has 490 places, 498 transitions, 1043 flow. Second operand 3 states and 1600 transitions. [2022-11-16 12:26:26,941 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 491 places, 497 transitions, 1101 flow [2022-11-16 12:26:26,945 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 489 places, 497 transitions, 1097 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-16 12:26:26,950 INFO L231 Difference]: Finished difference. Result has 489 places, 497 transitions, 1039 flow [2022-11-16 12:26:26,951 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=707, PETRI_DIFFERENCE_MINUEND_FLOW=1037, PETRI_DIFFERENCE_MINUEND_PLACES=487, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=497, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=496, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1039, PETRI_PLACES=489, PETRI_TRANSITIONS=497} [2022-11-16 12:26:26,952 INFO L288 CegarLoopForPetriNet]: 658 programPoint places, -169 predicate places. [2022-11-16 12:26:26,952 INFO L495 AbstractCegarLoop]: Abstraction has has 489 places, 497 transitions, 1039 flow [2022-11-16 12:26:26,952 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 526.3333333333334) internal successors, (1579), 3 states have internal predecessors, (1579), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:26:26,953 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 12:26:26,953 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:26:26,953 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2022-11-16 12:26:26,954 INFO L420 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr28ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 336 more)] === [2022-11-16 12:26:26,954 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:26:26,956 INFO L85 PathProgramCache]: Analyzing trace with hash 1305928164, now seen corresponding path program 1 times [2022-11-16 12:26:26,956 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:26:26,956 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [556281439] [2022-11-16 12:26:26,956 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:26:26,957 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:26:26,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:26:27,039 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:26:27,039 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:26:27,039 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [556281439] [2022-11-16 12:26:27,040 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [556281439] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:26:27,040 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:26:27,040 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-16 12:26:27,040 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [397042736] [2022-11-16 12:26:27,040 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:26:27,042 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 12:26:27,042 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:26:27,042 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 12:26:27,043 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 12:26:27,045 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 525 out of 707 [2022-11-16 12:26:27,046 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 489 places, 497 transitions, 1039 flow. Second operand has 3 states, 3 states have (on average 526.3333333333334) internal successors, (1579), 3 states have internal predecessors, (1579), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:26:27,046 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 12:26:27,046 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 525 of 707 [2022-11-16 12:26:27,047 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 12:26:27,741 INFO L130 PetriNetUnfolder]: 548/2222 cut-off events. [2022-11-16 12:26:27,741 INFO L131 PetriNetUnfolder]: For 318/322 co-relation queries the response was YES. [2022-11-16 12:26:27,762 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3098 conditions, 2222 events. 548/2222 cut-off events. For 318/322 co-relation queries the response was YES. Maximal size of possible extension queue 44. Compared 11754 event pairs, 82 based on Foata normal form. 0/1805 useless extension candidates. Maximal degree in co-relation 3022. Up to 591 conditions per place. [2022-11-16 12:26:27,781 INFO L137 encePairwiseOnDemand]: 704/707 looper letters, 29 selfloop transitions, 2 changer transitions 0/496 dead transitions. [2022-11-16 12:26:27,781 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 490 places, 496 transitions, 1099 flow [2022-11-16 12:26:27,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 12:26:27,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-16 12:26:27,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1601 transitions. [2022-11-16 12:26:27,786 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.7548326261197549 [2022-11-16 12:26:27,786 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1601 transitions. [2022-11-16 12:26:27,786 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1601 transitions. [2022-11-16 12:26:27,787 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 12:26:27,787 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1601 transitions. [2022-11-16 12:26:27,790 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 533.6666666666666) internal successors, (1601), 3 states have internal predecessors, (1601), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:26:27,793 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 707.0) internal successors, (2828), 4 states have internal predecessors, (2828), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:26:27,794 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 707.0) internal successors, (2828), 4 states have internal predecessors, (2828), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:26:27,794 INFO L175 Difference]: Start difference. First operand has 489 places, 497 transitions, 1039 flow. Second operand 3 states and 1601 transitions. [2022-11-16 12:26:27,794 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 490 places, 496 transitions, 1099 flow [2022-11-16 12:26:27,797 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 489 places, 496 transitions, 1098 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-11-16 12:26:27,803 INFO L231 Difference]: Finished difference. Result has 489 places, 496 transitions, 1040 flow [2022-11-16 12:26:27,804 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=707, PETRI_DIFFERENCE_MINUEND_FLOW=1036, PETRI_DIFFERENCE_MINUEND_PLACES=487, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=496, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=494, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1040, PETRI_PLACES=489, PETRI_TRANSITIONS=496} [2022-11-16 12:26:27,804 INFO L288 CegarLoopForPetriNet]: 658 programPoint places, -169 predicate places. [2022-11-16 12:26:27,805 INFO L495 AbstractCegarLoop]: Abstraction has has 489 places, 496 transitions, 1040 flow [2022-11-16 12:26:27,805 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 526.3333333333334) internal successors, (1579), 3 states have internal predecessors, (1579), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:26:27,805 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 12:26:27,806 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:26:27,806 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2022-11-16 12:26:27,806 INFO L420 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr29ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 336 more)] === [2022-11-16 12:26:27,806 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:26:27,807 INFO L85 PathProgramCache]: Analyzing trace with hash -1426784896, now seen corresponding path program 1 times [2022-11-16 12:26:27,807 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:26:27,807 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [802866282] [2022-11-16 12:26:27,807 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:26:27,808 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:26:27,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:26:27,890 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:26:27,890 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:26:27,890 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [802866282] [2022-11-16 12:26:27,891 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [802866282] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:26:27,891 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:26:27,891 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-16 12:26:27,891 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [126217165] [2022-11-16 12:26:27,891 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:26:27,892 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 12:26:27,892 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:26:27,892 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 12:26:27,892 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 12:26:27,895 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 525 out of 707 [2022-11-16 12:26:27,896 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 489 places, 496 transitions, 1040 flow. Second operand has 3 states, 3 states have (on average 526.3333333333334) internal successors, (1579), 3 states have internal predecessors, (1579), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:26:27,896 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 12:26:27,896 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 525 of 707 [2022-11-16 12:26:27,897 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 12:26:28,527 INFO L130 PetriNetUnfolder]: 548/2221 cut-off events. [2022-11-16 12:26:28,527 INFO L131 PetriNetUnfolder]: For 318/322 co-relation queries the response was YES. [2022-11-16 12:26:28,544 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3099 conditions, 2221 events. 548/2221 cut-off events. For 318/322 co-relation queries the response was YES. Maximal size of possible extension queue 44. Compared 11761 event pairs, 82 based on Foata normal form. 0/1805 useless extension candidates. Maximal degree in co-relation 3023. Up to 591 conditions per place. [2022-11-16 12:26:28,567 INFO L137 encePairwiseOnDemand]: 704/707 looper letters, 29 selfloop transitions, 2 changer transitions 0/495 dead transitions. [2022-11-16 12:26:28,567 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 490 places, 495 transitions, 1100 flow [2022-11-16 12:26:28,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 12:26:28,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-16 12:26:28,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1601 transitions. [2022-11-16 12:26:28,572 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.7548326261197549 [2022-11-16 12:26:28,572 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1601 transitions. [2022-11-16 12:26:28,573 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1601 transitions. [2022-11-16 12:26:28,574 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 12:26:28,574 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1601 transitions. [2022-11-16 12:26:28,577 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 533.6666666666666) internal successors, (1601), 3 states have internal predecessors, (1601), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:26:28,582 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 707.0) internal successors, (2828), 4 states have internal predecessors, (2828), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:26:28,583 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 707.0) internal successors, (2828), 4 states have internal predecessors, (2828), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:26:28,583 INFO L175 Difference]: Start difference. First operand has 489 places, 496 transitions, 1040 flow. Second operand 3 states and 1601 transitions. [2022-11-16 12:26:28,583 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 490 places, 495 transitions, 1100 flow [2022-11-16 12:26:28,591 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 488 places, 495 transitions, 1096 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-16 12:26:28,597 INFO L231 Difference]: Finished difference. Result has 488 places, 495 transitions, 1038 flow [2022-11-16 12:26:28,598 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=707, PETRI_DIFFERENCE_MINUEND_FLOW=1034, PETRI_DIFFERENCE_MINUEND_PLACES=486, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=495, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=493, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1038, PETRI_PLACES=488, PETRI_TRANSITIONS=495} [2022-11-16 12:26:28,599 INFO L288 CegarLoopForPetriNet]: 658 programPoint places, -170 predicate places. [2022-11-16 12:26:28,599 INFO L495 AbstractCegarLoop]: Abstraction has has 488 places, 495 transitions, 1038 flow [2022-11-16 12:26:28,599 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 526.3333333333334) internal successors, (1579), 3 states have internal predecessors, (1579), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:26:28,599 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 12:26:28,600 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:26:28,600 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2022-11-16 12:26:28,600 INFO L420 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr30ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 336 more)] === [2022-11-16 12:26:28,601 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:26:28,601 INFO L85 PathProgramCache]: Analyzing trace with hash -734532983, now seen corresponding path program 1 times [2022-11-16 12:26:28,601 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:26:28,601 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [800785775] [2022-11-16 12:26:28,602 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:26:28,602 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:26:28,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:26:28,705 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:26:28,706 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:26:28,706 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [800785775] [2022-11-16 12:26:28,706 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [800785775] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:26:28,706 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:26:28,707 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-16 12:26:28,707 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [281410665] [2022-11-16 12:26:28,707 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:26:28,707 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 12:26:28,708 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:26:28,708 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 12:26:28,708 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 12:26:28,711 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 525 out of 707 [2022-11-16 12:26:28,712 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 488 places, 495 transitions, 1038 flow. Second operand has 3 states, 3 states have (on average 526.3333333333334) internal successors, (1579), 3 states have internal predecessors, (1579), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:26:28,712 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 12:26:28,712 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 525 of 707 [2022-11-16 12:26:28,713 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 12:26:29,449 INFO L130 PetriNetUnfolder]: 553/2159 cut-off events. [2022-11-16 12:26:29,449 INFO L131 PetriNetUnfolder]: For 318/320 co-relation queries the response was YES. [2022-11-16 12:26:29,476 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3037 conditions, 2159 events. 553/2159 cut-off events. For 318/320 co-relation queries the response was YES. Maximal size of possible extension queue 37. Compared 10911 event pairs, 82 based on Foata normal form. 0/1785 useless extension candidates. Maximal degree in co-relation 2961. Up to 591 conditions per place. [2022-11-16 12:26:29,497 INFO L137 encePairwiseOnDemand]: 704/707 looper letters, 29 selfloop transitions, 2 changer transitions 0/494 dead transitions. [2022-11-16 12:26:29,497 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 489 places, 494 transitions, 1098 flow [2022-11-16 12:26:29,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 12:26:29,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-16 12:26:29,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1601 transitions. [2022-11-16 12:26:29,506 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.7548326261197549 [2022-11-16 12:26:29,507 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1601 transitions. [2022-11-16 12:26:29,507 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1601 transitions. [2022-11-16 12:26:29,508 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 12:26:29,508 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1601 transitions. [2022-11-16 12:26:29,511 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 533.6666666666666) internal successors, (1601), 3 states have internal predecessors, (1601), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:26:29,514 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 707.0) internal successors, (2828), 4 states have internal predecessors, (2828), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:26:29,515 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 707.0) internal successors, (2828), 4 states have internal predecessors, (2828), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:26:29,515 INFO L175 Difference]: Start difference. First operand has 488 places, 495 transitions, 1038 flow. Second operand 3 states and 1601 transitions. [2022-11-16 12:26:29,516 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 489 places, 494 transitions, 1098 flow [2022-11-16 12:26:29,520 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 487 places, 494 transitions, 1094 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-16 12:26:29,526 INFO L231 Difference]: Finished difference. Result has 487 places, 494 transitions, 1036 flow [2022-11-16 12:26:29,527 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=707, PETRI_DIFFERENCE_MINUEND_FLOW=1032, PETRI_DIFFERENCE_MINUEND_PLACES=485, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=494, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=492, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1036, PETRI_PLACES=487, PETRI_TRANSITIONS=494} [2022-11-16 12:26:29,534 INFO L288 CegarLoopForPetriNet]: 658 programPoint places, -171 predicate places. [2022-11-16 12:26:29,534 INFO L495 AbstractCegarLoop]: Abstraction has has 487 places, 494 transitions, 1036 flow [2022-11-16 12:26:29,535 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 526.3333333333334) internal successors, (1579), 3 states have internal predecessors, (1579), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:26:29,535 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 12:26:29,535 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:26:29,535 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2022-11-16 12:26:29,536 INFO L420 AbstractCegarLoop]: === Iteration 29 === Targeting thread1Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 336 more)] === [2022-11-16 12:26:29,536 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:26:29,536 INFO L85 PathProgramCache]: Analyzing trace with hash 756385095, now seen corresponding path program 1 times [2022-11-16 12:26:29,537 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:26:29,537 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1926645269] [2022-11-16 12:26:29,537 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:26:29,540 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:26:29,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:26:29,657 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:26:29,657 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:26:29,658 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1926645269] [2022-11-16 12:26:29,658 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1926645269] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:26:29,658 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:26:29,658 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-16 12:26:29,658 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [590414356] [2022-11-16 12:26:29,659 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:26:29,659 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 12:26:29,659 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:26:29,660 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 12:26:29,660 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 12:26:29,662 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 513 out of 707 [2022-11-16 12:26:29,663 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 487 places, 494 transitions, 1036 flow. Second operand has 3 states, 3 states have (on average 514.0) internal successors, (1542), 3 states have internal predecessors, (1542), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:26:29,664 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 12:26:29,664 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 513 of 707 [2022-11-16 12:26:29,664 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 12:26:31,751 INFO L130 PetriNetUnfolder]: 2638/6881 cut-off events. [2022-11-16 12:26:31,751 INFO L131 PetriNetUnfolder]: For 1294/1308 co-relation queries the response was YES. [2022-11-16 12:26:31,806 INFO L83 FinitePrefix]: Finished finitePrefix Result has 11280 conditions, 6881 events. 2638/6881 cut-off events. For 1294/1308 co-relation queries the response was YES. Maximal size of possible extension queue 206. Compared 50932 event pairs, 378 based on Foata normal form. 3/5816 useless extension candidates. Maximal degree in co-relation 11205. Up to 2446 conditions per place. [2022-11-16 12:26:31,860 INFO L137 encePairwiseOnDemand]: 694/707 looper letters, 45 selfloop transitions, 10 changer transitions 0/505 dead transitions. [2022-11-16 12:26:31,860 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 483 places, 505 transitions, 1187 flow [2022-11-16 12:26:31,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 12:26:31,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-16 12:26:31,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1591 transitions. [2022-11-16 12:26:31,866 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.7501178689297501 [2022-11-16 12:26:31,866 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1591 transitions. [2022-11-16 12:26:31,867 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1591 transitions. [2022-11-16 12:26:31,868 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 12:26:31,868 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1591 transitions. [2022-11-16 12:26:31,871 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 530.3333333333334) internal successors, (1591), 3 states have internal predecessors, (1591), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:26:31,875 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 707.0) internal successors, (2828), 4 states have internal predecessors, (2828), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:26:31,875 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 707.0) internal successors, (2828), 4 states have internal predecessors, (2828), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:26:31,876 INFO L175 Difference]: Start difference. First operand has 487 places, 494 transitions, 1036 flow. Second operand 3 states and 1591 transitions. [2022-11-16 12:26:31,876 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 483 places, 505 transitions, 1187 flow [2022-11-16 12:26:31,880 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 481 places, 505 transitions, 1183 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-16 12:26:31,888 INFO L231 Difference]: Finished difference. Result has 482 places, 489 transitions, 1054 flow [2022-11-16 12:26:31,889 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=707, PETRI_DIFFERENCE_MINUEND_FLOW=1020, PETRI_DIFFERENCE_MINUEND_PLACES=479, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=488, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=9, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=478, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1054, PETRI_PLACES=482, PETRI_TRANSITIONS=489} [2022-11-16 12:26:31,890 INFO L288 CegarLoopForPetriNet]: 658 programPoint places, -176 predicate places. [2022-11-16 12:26:31,890 INFO L495 AbstractCegarLoop]: Abstraction has has 482 places, 489 transitions, 1054 flow [2022-11-16 12:26:31,890 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 514.0) internal successors, (1542), 3 states have internal predecessors, (1542), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:26:31,891 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 12:26:31,891 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:26:31,891 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2022-11-16 12:26:31,892 INFO L420 AbstractCegarLoop]: === Iteration 30 === Targeting thread2Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 336 more)] === [2022-11-16 12:26:31,892 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:26:31,892 INFO L85 PathProgramCache]: Analyzing trace with hash 13494078, now seen corresponding path program 1 times [2022-11-16 12:26:31,892 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:26:31,893 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [141863928] [2022-11-16 12:26:31,893 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:26:31,893 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:26:31,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:26:32,087 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:26:32,087 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:26:32,087 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [141863928] [2022-11-16 12:26:32,088 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [141863928] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:26:32,088 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:26:32,088 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-16 12:26:32,088 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [367559931] [2022-11-16 12:26:32,089 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:26:32,089 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 12:26:32,089 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:26:32,090 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 12:26:32,090 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 12:26:32,093 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 525 out of 707 [2022-11-16 12:26:32,095 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 482 places, 489 transitions, 1054 flow. Second operand has 3 states, 3 states have (on average 526.3333333333334) internal successors, (1579), 3 states have internal predecessors, (1579), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:26:32,096 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 12:26:32,096 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 525 of 707 [2022-11-16 12:26:32,096 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 12:26:34,153 INFO L130 PetriNetUnfolder]: 2648/6061 cut-off events. [2022-11-16 12:26:34,153 INFO L131 PetriNetUnfolder]: For 4958/5062 co-relation queries the response was YES. [2022-11-16 12:26:34,207 INFO L83 FinitePrefix]: Finished finitePrefix Result has 11306 conditions, 6061 events. 2648/6061 cut-off events. For 4958/5062 co-relation queries the response was YES. Maximal size of possible extension queue 155. Compared 38693 event pairs, 130 based on Foata normal form. 25/5328 useless extension candidates. Maximal degree in co-relation 11231. Up to 2268 conditions per place. [2022-11-16 12:26:34,246 INFO L137 encePairwiseOnDemand]: 702/707 looper letters, 48 selfloop transitions, 4 changer transitions 0/509 dead transitions. [2022-11-16 12:26:34,246 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 482 places, 509 transitions, 1251 flow [2022-11-16 12:26:34,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 12:26:34,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-16 12:26:34,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1618 transitions. [2022-11-16 12:26:34,251 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.7628477133427628 [2022-11-16 12:26:34,251 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1618 transitions. [2022-11-16 12:26:34,251 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1618 transitions. [2022-11-16 12:26:34,252 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 12:26:34,252 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1618 transitions. [2022-11-16 12:26:34,255 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 539.3333333333334) internal successors, (1618), 3 states have internal predecessors, (1618), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:26:34,258 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 707.0) internal successors, (2828), 4 states have internal predecessors, (2828), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:26:34,259 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 707.0) internal successors, (2828), 4 states have internal predecessors, (2828), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:26:34,259 INFO L175 Difference]: Start difference. First operand has 482 places, 489 transitions, 1054 flow. Second operand 3 states and 1618 transitions. [2022-11-16 12:26:34,259 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 482 places, 509 transitions, 1251 flow [2022-11-16 12:26:34,268 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 481 places, 509 transitions, 1232 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-11-16 12:26:34,274 INFO L231 Difference]: Finished difference. Result has 482 places, 488 transitions, 1056 flow [2022-11-16 12:26:34,275 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=707, PETRI_DIFFERENCE_MINUEND_FLOW=1040, PETRI_DIFFERENCE_MINUEND_PLACES=479, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=487, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=483, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1056, PETRI_PLACES=482, PETRI_TRANSITIONS=488} [2022-11-16 12:26:34,276 INFO L288 CegarLoopForPetriNet]: 658 programPoint places, -176 predicate places. [2022-11-16 12:26:34,276 INFO L495 AbstractCegarLoop]: Abstraction has has 482 places, 488 transitions, 1056 flow [2022-11-16 12:26:34,276 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 526.3333333333334) internal successors, (1579), 3 states have internal predecessors, (1579), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:26:34,276 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 12:26:34,277 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:26:34,277 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2022-11-16 12:26:34,277 INFO L420 AbstractCegarLoop]: === Iteration 31 === Targeting thread3Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 336 more)] === [2022-11-16 12:26:34,278 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:26:34,278 INFO L85 PathProgramCache]: Analyzing trace with hash 1328975962, now seen corresponding path program 1 times [2022-11-16 12:26:34,278 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:26:34,278 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1797393751] [2022-11-16 12:26:34,279 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:26:34,279 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:26:34,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:26:34,408 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:26:34,408 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:26:34,409 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1797393751] [2022-11-16 12:26:34,409 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1797393751] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:26:34,409 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:26:34,409 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-16 12:26:34,409 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [873080910] [2022-11-16 12:26:34,410 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:26:34,410 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 12:26:34,410 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:26:34,411 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 12:26:34,411 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 12:26:34,413 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 525 out of 707 [2022-11-16 12:26:34,414 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 482 places, 488 transitions, 1056 flow. Second operand has 3 states, 3 states have (on average 526.6666666666666) internal successors, (1580), 3 states have internal predecessors, (1580), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:26:34,415 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 12:26:34,415 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 525 of 707 [2022-11-16 12:26:34,415 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 12:26:37,657 INFO L130 PetriNetUnfolder]: 3664/11042 cut-off events. [2022-11-16 12:26:37,657 INFO L131 PetriNetUnfolder]: For 5612/5766 co-relation queries the response was YES. [2022-11-16 12:26:37,748 INFO L83 FinitePrefix]: Finished finitePrefix Result has 18320 conditions, 11042 events. 3664/11042 cut-off events. For 5612/5766 co-relation queries the response was YES. Maximal size of possible extension queue 293. Compared 101550 event pairs, 418 based on Foata normal form. 25/8958 useless extension candidates. Maximal degree in co-relation 18244. Up to 3192 conditions per place. [2022-11-16 12:26:37,832 INFO L137 encePairwiseOnDemand]: 702/707 looper letters, 47 selfloop transitions, 4 changer transitions 0/507 dead transitions. [2022-11-16 12:26:37,832 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 482 places, 507 transitions, 1248 flow [2022-11-16 12:26:37,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 12:26:37,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-16 12:26:37,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1617 transitions. [2022-11-16 12:26:37,837 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.7623762376237624 [2022-11-16 12:26:37,837 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1617 transitions. [2022-11-16 12:26:37,838 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1617 transitions. [2022-11-16 12:26:37,839 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 12:26:37,839 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1617 transitions. [2022-11-16 12:26:37,843 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 539.0) internal successors, (1617), 3 states have internal predecessors, (1617), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:26:37,847 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 707.0) internal successors, (2828), 4 states have internal predecessors, (2828), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:26:37,847 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 707.0) internal successors, (2828), 4 states have internal predecessors, (2828), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:26:37,848 INFO L175 Difference]: Start difference. First operand has 482 places, 488 transitions, 1056 flow. Second operand 3 states and 1617 transitions. [2022-11-16 12:26:37,848 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 482 places, 507 transitions, 1248 flow [2022-11-16 12:26:37,858 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 481 places, 507 transitions, 1241 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-11-16 12:26:37,866 INFO L231 Difference]: Finished difference. Result has 482 places, 487 transitions, 1064 flow [2022-11-16 12:26:37,867 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=707, PETRI_DIFFERENCE_MINUEND_FLOW=1048, PETRI_DIFFERENCE_MINUEND_PLACES=479, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=486, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=482, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1064, PETRI_PLACES=482, PETRI_TRANSITIONS=487} [2022-11-16 12:26:37,867 INFO L288 CegarLoopForPetriNet]: 658 programPoint places, -176 predicate places. [2022-11-16 12:26:37,868 INFO L495 AbstractCegarLoop]: Abstraction has has 482 places, 487 transitions, 1064 flow [2022-11-16 12:26:37,868 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 526.6666666666666) internal successors, (1580), 3 states have internal predecessors, (1580), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:26:37,868 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 12:26:37,869 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:26:37,869 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2022-11-16 12:26:37,869 INFO L420 AbstractCegarLoop]: === Iteration 32 === Targeting thread4Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 336 more)] === [2022-11-16 12:26:37,870 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:26:37,870 INFO L85 PathProgramCache]: Analyzing trace with hash 114198761, now seen corresponding path program 1 times [2022-11-16 12:26:37,870 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:26:37,870 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1368307272] [2022-11-16 12:26:37,871 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:26:37,871 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:26:37,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:26:37,987 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:26:37,987 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:26:37,987 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1368307272] [2022-11-16 12:26:37,988 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1368307272] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:26:37,988 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:26:37,988 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-16 12:26:37,988 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [614085236] [2022-11-16 12:26:37,989 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:26:37,989 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 12:26:37,990 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:26:37,990 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 12:26:37,990 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 12:26:37,993 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 525 out of 707 [2022-11-16 12:26:37,995 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 482 places, 487 transitions, 1064 flow. Second operand has 3 states, 3 states have (on average 527.0) internal successors, (1581), 3 states have internal predecessors, (1581), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:26:37,995 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 12:26:37,995 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 525 of 707 [2022-11-16 12:26:37,995 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 12:26:41,394 INFO L130 PetriNetUnfolder]: 3835/12105 cut-off events. [2022-11-16 12:26:41,394 INFO L131 PetriNetUnfolder]: For 8864/9128 co-relation queries the response was YES. [2022-11-16 12:26:41,470 INFO L83 FinitePrefix]: Finished finitePrefix Result has 21014 conditions, 12105 events. 3835/12105 cut-off events. For 8864/9128 co-relation queries the response was YES. Maximal size of possible extension queue 466. Compared 122242 event pairs, 498 based on Foata normal form. 64/10107 useless extension candidates. Maximal degree in co-relation 20937. Up to 3888 conditions per place. [2022-11-16 12:26:41,532 INFO L137 encePairwiseOnDemand]: 702/707 looper letters, 46 selfloop transitions, 4 changer transitions 0/505 dead transitions. [2022-11-16 12:26:41,533 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 482 places, 505 transitions, 1257 flow [2022-11-16 12:26:41,533 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 12:26:41,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-16 12:26:41,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1616 transitions. [2022-11-16 12:26:41,536 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.7619047619047619 [2022-11-16 12:26:41,536 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1616 transitions. [2022-11-16 12:26:41,536 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1616 transitions. [2022-11-16 12:26:41,537 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 12:26:41,537 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1616 transitions. [2022-11-16 12:26:41,539 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 538.6666666666666) internal successors, (1616), 3 states have internal predecessors, (1616), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:26:41,542 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 707.0) internal successors, (2828), 4 states have internal predecessors, (2828), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:26:41,543 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 707.0) internal successors, (2828), 4 states have internal predecessors, (2828), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:26:41,543 INFO L175 Difference]: Start difference. First operand has 482 places, 487 transitions, 1064 flow. Second operand 3 states and 1616 transitions. [2022-11-16 12:26:41,543 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 482 places, 505 transitions, 1257 flow [2022-11-16 12:26:41,552 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 481 places, 505 transitions, 1250 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-11-16 12:26:41,558 INFO L231 Difference]: Finished difference. Result has 482 places, 486 transitions, 1072 flow [2022-11-16 12:26:41,559 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=707, PETRI_DIFFERENCE_MINUEND_FLOW=1056, PETRI_DIFFERENCE_MINUEND_PLACES=479, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=485, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=481, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1072, PETRI_PLACES=482, PETRI_TRANSITIONS=486} [2022-11-16 12:26:41,560 INFO L288 CegarLoopForPetriNet]: 658 programPoint places, -176 predicate places. [2022-11-16 12:26:41,560 INFO L495 AbstractCegarLoop]: Abstraction has has 482 places, 486 transitions, 1072 flow [2022-11-16 12:26:41,560 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 527.0) internal successors, (1581), 3 states have internal predecessors, (1581), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:26:41,561 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 12:26:41,561 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:26:41,561 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2022-11-16 12:26:41,561 INFO L420 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr31ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 336 more)] === [2022-11-16 12:26:41,562 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:26:41,562 INFO L85 PathProgramCache]: Analyzing trace with hash 1944306883, now seen corresponding path program 1 times [2022-11-16 12:26:41,562 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:26:41,563 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1157694167] [2022-11-16 12:26:41,563 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:26:41,563 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:26:41,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:26:42,395 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:26:42,396 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:26:42,396 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1157694167] [2022-11-16 12:26:42,397 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1157694167] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:26:42,397 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:26:42,397 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-16 12:26:42,397 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [951604370] [2022-11-16 12:26:42,397 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:26:42,398 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-16 12:26:42,398 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:26:42,399 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-16 12:26:42,399 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-16 12:26:42,402 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 477 out of 707 [2022-11-16 12:26:42,405 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 482 places, 486 transitions, 1072 flow. Second operand has 6 states, 6 states have (on average 479.1666666666667) internal successors, (2875), 6 states have internal predecessors, (2875), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:26:42,406 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 12:26:42,406 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 477 of 707 [2022-11-16 12:26:42,406 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 12:26:46,931 INFO L130 PetriNetUnfolder]: 6443/11159 cut-off events. [2022-11-16 12:26:46,931 INFO L131 PetriNetUnfolder]: For 21196/21196 co-relation queries the response was YES. [2022-11-16 12:26:47,039 INFO L83 FinitePrefix]: Finished finitePrefix Result has 29294 conditions, 11159 events. 6443/11159 cut-off events. For 21196/21196 co-relation queries the response was YES. Maximal size of possible extension queue 279. Compared 66225 event pairs, 858 based on Foata normal form. 0/10313 useless extension candidates. Maximal degree in co-relation 29214. Up to 7168 conditions per place. [2022-11-16 12:26:47,136 INFO L137 encePairwiseOnDemand]: 702/707 looper letters, 141 selfloop transitions, 4 changer transitions 0/557 dead transitions. [2022-11-16 12:26:47,136 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 486 places, 557 transitions, 1756 flow [2022-11-16 12:26:47,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-16 12:26:47,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-11-16 12:26:47,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2978 transitions. [2022-11-16 12:26:47,143 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.702027345591702 [2022-11-16 12:26:47,143 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 2978 transitions. [2022-11-16 12:26:47,143 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 2978 transitions. [2022-11-16 12:26:47,144 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 12:26:47,145 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 2978 transitions. [2022-11-16 12:26:47,149 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 496.3333333333333) internal successors, (2978), 6 states have internal predecessors, (2978), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:26:47,155 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 707.0) internal successors, (4949), 7 states have internal predecessors, (4949), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:26:47,156 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 707.0) internal successors, (4949), 7 states have internal predecessors, (4949), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:26:47,157 INFO L175 Difference]: Start difference. First operand has 482 places, 486 transitions, 1072 flow. Second operand 6 states and 2978 transitions. [2022-11-16 12:26:47,157 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 486 places, 557 transitions, 1756 flow [2022-11-16 12:26:47,176 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 485 places, 557 transitions, 1740 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-11-16 12:26:47,182 INFO L231 Difference]: Finished difference. Result has 485 places, 485 transitions, 1074 flow [2022-11-16 12:26:47,183 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=707, PETRI_DIFFERENCE_MINUEND_FLOW=1066, PETRI_DIFFERENCE_MINUEND_PLACES=480, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=485, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=481, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1074, PETRI_PLACES=485, PETRI_TRANSITIONS=485} [2022-11-16 12:26:47,183 INFO L288 CegarLoopForPetriNet]: 658 programPoint places, -173 predicate places. [2022-11-16 12:26:47,184 INFO L495 AbstractCegarLoop]: Abstraction has has 485 places, 485 transitions, 1074 flow [2022-11-16 12:26:47,184 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 479.1666666666667) internal successors, (2875), 6 states have internal predecessors, (2875), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:26:47,184 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 12:26:47,185 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:26:47,185 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2022-11-16 12:26:47,185 INFO L420 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr32ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 336 more)] === [2022-11-16 12:26:47,186 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:26:47,186 INFO L85 PathProgramCache]: Analyzing trace with hash -783587551, now seen corresponding path program 1 times [2022-11-16 12:26:47,186 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:26:47,186 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1772941080] [2022-11-16 12:26:47,187 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:26:47,187 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:26:47,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:26:48,254 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:26:48,255 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:26:48,255 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1772941080] [2022-11-16 12:26:48,255 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1772941080] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:26:48,255 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:26:48,255 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-16 12:26:48,256 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1356601833] [2022-11-16 12:26:48,256 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:26:48,257 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-16 12:26:48,258 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:26:48,258 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-16 12:26:48,259 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-16 12:26:48,263 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 477 out of 707 [2022-11-16 12:26:48,267 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 485 places, 485 transitions, 1074 flow. Second operand has 6 states, 6 states have (on average 480.1666666666667) internal successors, (2881), 6 states have internal predecessors, (2881), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:26:48,267 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 12:26:48,267 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 477 of 707 [2022-11-16 12:26:48,267 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 12:26:53,194 INFO L130 PetriNetUnfolder]: 6237/10400 cut-off events. [2022-11-16 12:26:53,194 INFO L131 PetriNetUnfolder]: For 12450/12450 co-relation queries the response was YES. [2022-11-16 12:26:53,293 INFO L83 FinitePrefix]: Finished finitePrefix Result has 28045 conditions, 10400 events. 6237/10400 cut-off events. For 12450/12450 co-relation queries the response was YES. Maximal size of possible extension queue 276. Compared 58711 event pairs, 291 based on Foata normal form. 0/9664 useless extension candidates. Maximal degree in co-relation 27964. Up to 5632 conditions per place. [2022-11-16 12:26:53,373 INFO L137 encePairwiseOnDemand]: 702/707 looper letters, 104 selfloop transitions, 4 changer transitions 0/520 dead transitions. [2022-11-16 12:26:53,373 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 489 places, 520 transitions, 1480 flow [2022-11-16 12:26:53,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-16 12:26:53,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-11-16 12:26:53,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2953 transitions. [2022-11-16 12:26:53,378 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.6961338991041961 [2022-11-16 12:26:53,379 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 2953 transitions. [2022-11-16 12:26:53,379 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 2953 transitions. [2022-11-16 12:26:53,380 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 12:26:53,380 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 2953 transitions. [2022-11-16 12:26:53,382 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 492.1666666666667) internal successors, (2953), 6 states have internal predecessors, (2953), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:26:53,385 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 707.0) internal successors, (4949), 7 states have internal predecessors, (4949), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:26:53,386 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 707.0) internal successors, (4949), 7 states have internal predecessors, (4949), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:26:53,387 INFO L175 Difference]: Start difference. First operand has 485 places, 485 transitions, 1074 flow. Second operand 6 states and 2953 transitions. [2022-11-16 12:26:53,387 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 489 places, 520 transitions, 1480 flow [2022-11-16 12:26:53,401 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 485 places, 520 transitions, 1473 flow, removed 0 selfloop flow, removed 4 redundant places. [2022-11-16 12:26:53,407 INFO L231 Difference]: Finished difference. Result has 485 places, 484 transitions, 1073 flow [2022-11-16 12:26:53,408 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=707, PETRI_DIFFERENCE_MINUEND_FLOW=1065, PETRI_DIFFERENCE_MINUEND_PLACES=480, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=484, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=480, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1073, PETRI_PLACES=485, PETRI_TRANSITIONS=484} [2022-11-16 12:26:53,409 INFO L288 CegarLoopForPetriNet]: 658 programPoint places, -173 predicate places. [2022-11-16 12:26:53,409 INFO L495 AbstractCegarLoop]: Abstraction has has 485 places, 484 transitions, 1073 flow [2022-11-16 12:26:53,410 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 480.1666666666667) internal successors, (2881), 6 states have internal predecessors, (2881), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:26:53,410 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 12:26:53,410 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:26:53,410 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2022-11-16 12:26:53,411 INFO L420 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr33ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 336 more)] === [2022-11-16 12:26:53,411 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:26:53,411 INFO L85 PathProgramCache]: Analyzing trace with hash 1322202522, now seen corresponding path program 1 times [2022-11-16 12:26:53,412 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:26:53,412 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [561106200] [2022-11-16 12:26:53,412 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:26:53,412 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:26:53,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:26:54,327 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:26:54,328 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:26:54,328 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [561106200] [2022-11-16 12:26:54,328 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [561106200] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:26:54,328 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:26:54,329 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-16 12:26:54,329 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [492660460] [2022-11-16 12:26:54,329 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:26:54,330 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-16 12:26:54,330 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:26:54,330 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-16 12:26:54,330 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-16 12:26:54,333 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 477 out of 707 [2022-11-16 12:26:54,336 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 485 places, 484 transitions, 1073 flow. Second operand has 6 states, 6 states have (on average 481.1666666666667) internal successors, (2887), 6 states have internal predecessors, (2887), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:26:54,336 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 12:26:54,336 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 477 of 707 [2022-11-16 12:26:54,336 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 12:26:58,703 INFO L130 PetriNetUnfolder]: 6063/10139 cut-off events. [2022-11-16 12:26:58,704 INFO L131 PetriNetUnfolder]: For 12120/12120 co-relation queries the response was YES. [2022-11-16 12:26:58,835 INFO L83 FinitePrefix]: Finished finitePrefix Result has 27400 conditions, 10139 events. 6063/10139 cut-off events. For 12120/12120 co-relation queries the response was YES. Maximal size of possible extension queue 272. Compared 57125 event pairs, 614 based on Foata normal form. 0/9471 useless extension candidates. Maximal degree in co-relation 27319. Up to 3584 conditions per place. [2022-11-16 12:26:59,161 INFO L137 encePairwiseOnDemand]: 702/707 looper letters, 91 selfloop transitions, 4 changer transitions 0/507 dead transitions. [2022-11-16 12:26:59,161 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 489 places, 507 transitions, 1389 flow [2022-11-16 12:26:59,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-16 12:26:59,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-11-16 12:26:59,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2944 transitions. [2022-11-16 12:26:59,168 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.694012258368694 [2022-11-16 12:26:59,168 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 2944 transitions. [2022-11-16 12:26:59,168 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 2944 transitions. [2022-11-16 12:26:59,169 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 12:26:59,170 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 2944 transitions. [2022-11-16 12:26:59,188 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 490.6666666666667) internal successors, (2944), 6 states have internal predecessors, (2944), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:26:59,192 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 707.0) internal successors, (4949), 7 states have internal predecessors, (4949), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:26:59,193 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 707.0) internal successors, (4949), 7 states have internal predecessors, (4949), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:26:59,193 INFO L175 Difference]: Start difference. First operand has 485 places, 484 transitions, 1073 flow. Second operand 6 states and 2944 transitions. [2022-11-16 12:26:59,193 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 489 places, 507 transitions, 1389 flow [2022-11-16 12:26:59,206 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 485 places, 507 transitions, 1382 flow, removed 0 selfloop flow, removed 4 redundant places. [2022-11-16 12:26:59,211 INFO L231 Difference]: Finished difference. Result has 485 places, 483 transitions, 1072 flow [2022-11-16 12:26:59,212 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=707, PETRI_DIFFERENCE_MINUEND_FLOW=1064, PETRI_DIFFERENCE_MINUEND_PLACES=480, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=483, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=479, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1072, PETRI_PLACES=485, PETRI_TRANSITIONS=483} [2022-11-16 12:26:59,213 INFO L288 CegarLoopForPetriNet]: 658 programPoint places, -173 predicate places. [2022-11-16 12:26:59,213 INFO L495 AbstractCegarLoop]: Abstraction has has 485 places, 483 transitions, 1072 flow [2022-11-16 12:26:59,214 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 481.1666666666667) internal successors, (2887), 6 states have internal predecessors, (2887), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:26:59,214 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 12:26:59,214 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:26:59,215 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2022-11-16 12:26:59,215 INFO L420 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr34ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 336 more)] === [2022-11-16 12:26:59,215 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:26:59,215 INFO L85 PathProgramCache]: Analyzing trace with hash 360759955, now seen corresponding path program 1 times [2022-11-16 12:26:59,216 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:26:59,217 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2145122558] [2022-11-16 12:26:59,217 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:26:59,218 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:26:59,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:27:00,230 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:27:00,230 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:27:00,230 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2145122558] [2022-11-16 12:27:00,231 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2145122558] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:27:00,231 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:27:00,231 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-16 12:27:00,231 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1787295515] [2022-11-16 12:27:00,232 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:27:00,232 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-16 12:27:00,232 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:27:00,233 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-16 12:27:00,233 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-16 12:27:00,236 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 477 out of 707 [2022-11-16 12:27:00,239 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 485 places, 483 transitions, 1072 flow. Second operand has 6 states, 6 states have (on average 482.1666666666667) internal successors, (2893), 6 states have internal predecessors, (2893), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:27:00,239 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 12:27:00,239 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 477 of 707 [2022-11-16 12:27:00,240 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 12:27:04,129 INFO L130 PetriNetUnfolder]: 5857/9839 cut-off events. [2022-11-16 12:27:04,129 INFO L131 PetriNetUnfolder]: For 11736/11736 co-relation queries the response was YES. [2022-11-16 12:27:04,233 INFO L83 FinitePrefix]: Finished finitePrefix Result has 26684 conditions, 9839 events. 5857/9839 cut-off events. For 11736/11736 co-relation queries the response was YES. Maximal size of possible extension queue 259. Compared 55001 event pairs, 1006 based on Foata normal form. 0/9289 useless extension candidates. Maximal degree in co-relation 26603. Up to 5514 conditions per place. [2022-11-16 12:27:04,315 INFO L137 encePairwiseOnDemand]: 702/707 looper letters, 78 selfloop transitions, 4 changer transitions 0/494 dead transitions. [2022-11-16 12:27:04,315 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 489 places, 494 transitions, 1298 flow [2022-11-16 12:27:04,316 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-16 12:27:04,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-11-16 12:27:04,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2935 transitions. [2022-11-16 12:27:04,320 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.6918906176331919 [2022-11-16 12:27:04,321 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 2935 transitions. [2022-11-16 12:27:04,321 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 2935 transitions. [2022-11-16 12:27:04,325 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 12:27:04,325 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 2935 transitions. [2022-11-16 12:27:04,330 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 489.1666666666667) internal successors, (2935), 6 states have internal predecessors, (2935), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:27:04,335 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 707.0) internal successors, (4949), 7 states have internal predecessors, (4949), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:27:04,336 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 707.0) internal successors, (4949), 7 states have internal predecessors, (4949), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:27:04,336 INFO L175 Difference]: Start difference. First operand has 485 places, 483 transitions, 1072 flow. Second operand 6 states and 2935 transitions. [2022-11-16 12:27:04,336 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 489 places, 494 transitions, 1298 flow [2022-11-16 12:27:04,352 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 485 places, 494 transitions, 1291 flow, removed 0 selfloop flow, removed 4 redundant places. [2022-11-16 12:27:04,357 INFO L231 Difference]: Finished difference. Result has 485 places, 482 transitions, 1071 flow [2022-11-16 12:27:04,358 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=707, PETRI_DIFFERENCE_MINUEND_FLOW=1063, PETRI_DIFFERENCE_MINUEND_PLACES=480, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=482, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=478, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1071, PETRI_PLACES=485, PETRI_TRANSITIONS=482} [2022-11-16 12:27:04,359 INFO L288 CegarLoopForPetriNet]: 658 programPoint places, -173 predicate places. [2022-11-16 12:27:04,359 INFO L495 AbstractCegarLoop]: Abstraction has has 485 places, 482 transitions, 1071 flow [2022-11-16 12:27:04,359 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 482.1666666666667) internal successors, (2893), 6 states have internal predecessors, (2893), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:27:04,360 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 12:27:04,360 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:27:04,360 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2022-11-16 12:27:04,360 INFO L420 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr35ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 336 more)] === [2022-11-16 12:27:04,361 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:27:04,361 INFO L85 PathProgramCache]: Analyzing trace with hash -1152681849, now seen corresponding path program 1 times [2022-11-16 12:27:04,361 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:27:04,361 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1947002233] [2022-11-16 12:27:04,362 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:27:04,362 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:27:04,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:27:04,492 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:27:04,492 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:27:04,492 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1947002233] [2022-11-16 12:27:04,492 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1947002233] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:27:04,493 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:27:04,493 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-16 12:27:04,493 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1135375939] [2022-11-16 12:27:04,493 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:27:04,494 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 12:27:04,494 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:27:04,496 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 12:27:04,496 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 12:27:04,498 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 525 out of 707 [2022-11-16 12:27:04,512 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 485 places, 482 transitions, 1071 flow. Second operand has 3 states, 3 states have (on average 529.0) internal successors, (1587), 3 states have internal predecessors, (1587), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:27:04,512 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 12:27:04,512 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 525 of 707 [2022-11-16 12:27:04,512 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 12:27:06,070 INFO L130 PetriNetUnfolder]: 1155/6287 cut-off events. [2022-11-16 12:27:06,070 INFO L131 PetriNetUnfolder]: For 2520/2528 co-relation queries the response was YES. [2022-11-16 12:27:06,103 INFO L83 FinitePrefix]: Finished finitePrefix Result has 10222 conditions, 6287 events. 1155/6287 cut-off events. For 2520/2528 co-relation queries the response was YES. Maximal size of possible extension queue 178. Compared 59804 event pairs, 210 based on Foata normal form. 256/5729 useless extension candidates. Maximal degree in co-relation 10141. Up to 1518 conditions per place. [2022-11-16 12:27:06,106 INFO L137 encePairwiseOnDemand]: 705/707 looper letters, 0 selfloop transitions, 0 changer transitions 481/481 dead transitions. [2022-11-16 12:27:06,106 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 486 places, 481 transitions, 1127 flow [2022-11-16 12:27:06,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 12:27:06,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-16 12:27:06,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1599 transitions. [2022-11-16 12:27:06,108 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.7538896746817539 [2022-11-16 12:27:06,108 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1599 transitions. [2022-11-16 12:27:06,108 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1599 transitions. [2022-11-16 12:27:06,109 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 12:27:06,109 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1599 transitions. [2022-11-16 12:27:06,112 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 533.0) internal successors, (1599), 3 states have internal predecessors, (1599), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:27:06,114 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 707.0) internal successors, (2828), 4 states have internal predecessors, (2828), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:27:06,114 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 707.0) internal successors, (2828), 4 states have internal predecessors, (2828), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:27:06,115 INFO L175 Difference]: Start difference. First operand has 485 places, 482 transitions, 1071 flow. Second operand 3 states and 1599 transitions. [2022-11-16 12:27:06,115 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 486 places, 481 transitions, 1127 flow [2022-11-16 12:27:06,122 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 482 places, 481 transitions, 1120 flow, removed 0 selfloop flow, removed 4 redundant places. [2022-11-16 12:27:06,125 INFO L231 Difference]: Finished difference. Result has 482 places, 0 transitions, 0 flow [2022-11-16 12:27:06,126 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=707, PETRI_DIFFERENCE_MINUEND_FLOW=1062, PETRI_DIFFERENCE_MINUEND_PLACES=480, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=481, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=481, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=482, PETRI_TRANSITIONS=0} [2022-11-16 12:27:06,127 INFO L288 CegarLoopForPetriNet]: 658 programPoint places, -176 predicate places. [2022-11-16 12:27:06,127 INFO L495 AbstractCegarLoop]: Abstraction has has 482 places, 0 transitions, 0 flow [2022-11-16 12:27:06,127 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 529.0) internal successors, (1587), 3 states have internal predecessors, (1587), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:27:06,130 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (339 of 340 remaining) [2022-11-16 12:27:06,131 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (338 of 340 remaining) [2022-11-16 12:27:06,131 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (337 of 340 remaining) [2022-11-16 12:27:06,132 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (336 of 340 remaining) [2022-11-16 12:27:06,132 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (335 of 340 remaining) [2022-11-16 12:27:06,132 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (334 of 340 remaining) [2022-11-16 12:27:06,132 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (333 of 340 remaining) [2022-11-16 12:27:06,133 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (332 of 340 remaining) [2022-11-16 12:27:06,133 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (331 of 340 remaining) [2022-11-16 12:27:06,133 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONDATA_RACE (330 of 340 remaining) [2022-11-16 12:27:06,133 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err10ASSERT_VIOLATIONDATA_RACE (329 of 340 remaining) [2022-11-16 12:27:06,134 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err11ASSERT_VIOLATIONDATA_RACE (328 of 340 remaining) [2022-11-16 12:27:06,134 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err12ASSERT_VIOLATIONDATA_RACE (327 of 340 remaining) [2022-11-16 12:27:06,134 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err13ASSERT_VIOLATIONDATA_RACE (326 of 340 remaining) [2022-11-16 12:27:06,134 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err14ASSERT_VIOLATIONDATA_RACE (325 of 340 remaining) [2022-11-16 12:27:06,135 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err15ASSERT_VIOLATIONDATA_RACE (324 of 340 remaining) [2022-11-16 12:27:06,135 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err16ASSERT_VIOLATIONDATA_RACE (323 of 340 remaining) [2022-11-16 12:27:06,135 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err17ASSERT_VIOLATIONDATA_RACE (322 of 340 remaining) [2022-11-16 12:27:06,135 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err18ASSERT_VIOLATIONDATA_RACE (321 of 340 remaining) [2022-11-16 12:27:06,135 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err19ASSERT_VIOLATIONDATA_RACE (320 of 340 remaining) [2022-11-16 12:27:06,136 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err20ASSERT_VIOLATIONDATA_RACE (319 of 340 remaining) [2022-11-16 12:27:06,136 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err21ASSERT_VIOLATIONDATA_RACE (318 of 340 remaining) [2022-11-16 12:27:06,136 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err22ASSERT_VIOLATIONDATA_RACE (317 of 340 remaining) [2022-11-16 12:27:06,136 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err23ASSERT_VIOLATIONDATA_RACE (316 of 340 remaining) [2022-11-16 12:27:06,137 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err24ASSERT_VIOLATIONDATA_RACE (315 of 340 remaining) [2022-11-16 12:27:06,137 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err25ASSERT_VIOLATIONDATA_RACE (314 of 340 remaining) [2022-11-16 12:27:06,137 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err26ASSERT_VIOLATIONDATA_RACE (313 of 340 remaining) [2022-11-16 12:27:06,137 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err27ASSERT_VIOLATIONDATA_RACE (312 of 340 remaining) [2022-11-16 12:27:06,138 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err28ASSERT_VIOLATIONDATA_RACE (311 of 340 remaining) [2022-11-16 12:27:06,138 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err29ASSERT_VIOLATIONDATA_RACE (310 of 340 remaining) [2022-11-16 12:27:06,138 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err30ASSERT_VIOLATIONDATA_RACE (309 of 340 remaining) [2022-11-16 12:27:06,138 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err31ASSERT_VIOLATIONDATA_RACE (308 of 340 remaining) [2022-11-16 12:27:06,138 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err32ASSERT_VIOLATIONDATA_RACE (307 of 340 remaining) [2022-11-16 12:27:06,139 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err33ASSERT_VIOLATIONDATA_RACE (306 of 340 remaining) [2022-11-16 12:27:06,139 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err34ASSERT_VIOLATIONDATA_RACE (305 of 340 remaining) [2022-11-16 12:27:06,139 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err35ASSERT_VIOLATIONDATA_RACE (304 of 340 remaining) [2022-11-16 12:27:06,139 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err36ASSERT_VIOLATIONDATA_RACE (303 of 340 remaining) [2022-11-16 12:27:06,139 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err37ASSERT_VIOLATIONDATA_RACE (302 of 340 remaining) [2022-11-16 12:27:06,140 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err38ASSERT_VIOLATIONDATA_RACE (301 of 340 remaining) [2022-11-16 12:27:06,140 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err39ASSERT_VIOLATIONDATA_RACE (300 of 340 remaining) [2022-11-16 12:27:06,140 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err40ASSERT_VIOLATIONDATA_RACE (299 of 340 remaining) [2022-11-16 12:27:06,140 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err41ASSERT_VIOLATIONDATA_RACE (298 of 340 remaining) [2022-11-16 12:27:06,141 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err42ASSERT_VIOLATIONDATA_RACE (297 of 340 remaining) [2022-11-16 12:27:06,141 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err43ASSERT_VIOLATIONDATA_RACE (296 of 340 remaining) [2022-11-16 12:27:06,141 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err44ASSERT_VIOLATIONDATA_RACE (295 of 340 remaining) [2022-11-16 12:27:06,141 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err45ASSERT_VIOLATIONDATA_RACE (294 of 340 remaining) [2022-11-16 12:27:06,141 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err46ASSERT_VIOLATIONDATA_RACE (293 of 340 remaining) [2022-11-16 12:27:06,142 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err47ASSERT_VIOLATIONDATA_RACE (292 of 340 remaining) [2022-11-16 12:27:06,142 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err48ASSERT_VIOLATIONDATA_RACE (291 of 340 remaining) [2022-11-16 12:27:06,142 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err49ASSERT_VIOLATIONDATA_RACE (290 of 340 remaining) [2022-11-16 12:27:06,143 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err50ASSERT_VIOLATIONDATA_RACE (289 of 340 remaining) [2022-11-16 12:27:06,143 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err51ASSERT_VIOLATIONDATA_RACE (288 of 340 remaining) [2022-11-16 12:27:06,143 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err52ASSERT_VIOLATIONDATA_RACE (287 of 340 remaining) [2022-11-16 12:27:06,143 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err53ASSERT_VIOLATIONDATA_RACE (286 of 340 remaining) [2022-11-16 12:27:06,143 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err54ASSERT_VIOLATIONDATA_RACE (285 of 340 remaining) [2022-11-16 12:27:06,144 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err55ASSERT_VIOLATIONDATA_RACE (284 of 340 remaining) [2022-11-16 12:27:06,144 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err56ASSERT_VIOLATIONDATA_RACE (283 of 340 remaining) [2022-11-16 12:27:06,144 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err57ASSERT_VIOLATIONDATA_RACE (282 of 340 remaining) [2022-11-16 12:27:06,144 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err58ASSERT_VIOLATIONDATA_RACE (281 of 340 remaining) [2022-11-16 12:27:06,144 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err59ASSERT_VIOLATIONDATA_RACE (280 of 340 remaining) [2022-11-16 12:27:06,145 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err60ASSERT_VIOLATIONDATA_RACE (279 of 340 remaining) [2022-11-16 12:27:06,145 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err61ASSERT_VIOLATIONDATA_RACE (278 of 340 remaining) [2022-11-16 12:27:06,145 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err62ASSERT_VIOLATIONDATA_RACE (277 of 340 remaining) [2022-11-16 12:27:06,145 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err63ASSERT_VIOLATIONDATA_RACE (276 of 340 remaining) [2022-11-16 12:27:06,146 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err64ASSERT_VIOLATIONDATA_RACE (275 of 340 remaining) [2022-11-16 12:27:06,146 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err65ASSERT_VIOLATIONDATA_RACE (274 of 340 remaining) [2022-11-16 12:27:06,146 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err66ASSERT_VIOLATIONDATA_RACE (273 of 340 remaining) [2022-11-16 12:27:06,146 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err67ASSERT_VIOLATIONDATA_RACE (272 of 340 remaining) [2022-11-16 12:27:06,146 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err68ASSERT_VIOLATIONDATA_RACE (271 of 340 remaining) [2022-11-16 12:27:06,147 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err69ASSERT_VIOLATIONDATA_RACE (270 of 340 remaining) [2022-11-16 12:27:06,147 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err70ASSERT_VIOLATIONDATA_RACE (269 of 340 remaining) [2022-11-16 12:27:06,147 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err71ASSERT_VIOLATIONDATA_RACE (268 of 340 remaining) [2022-11-16 12:27:06,147 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err72ASSERT_VIOLATIONDATA_RACE (267 of 340 remaining) [2022-11-16 12:27:06,147 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err73ASSERT_VIOLATIONDATA_RACE (266 of 340 remaining) [2022-11-16 12:27:06,148 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err74ASSERT_VIOLATIONDATA_RACE (265 of 340 remaining) [2022-11-16 12:27:06,148 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (264 of 340 remaining) [2022-11-16 12:27:06,148 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (263 of 340 remaining) [2022-11-16 12:27:06,148 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (262 of 340 remaining) [2022-11-16 12:27:06,148 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (261 of 340 remaining) [2022-11-16 12:27:06,149 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (260 of 340 remaining) [2022-11-16 12:27:06,149 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (259 of 340 remaining) [2022-11-16 12:27:06,149 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (258 of 340 remaining) [2022-11-16 12:27:06,149 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (257 of 340 remaining) [2022-11-16 12:27:06,150 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (256 of 340 remaining) [2022-11-16 12:27:06,150 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (255 of 340 remaining) [2022-11-16 12:27:06,150 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (254 of 340 remaining) [2022-11-16 12:27:06,150 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err11ASSERT_VIOLATIONDATA_RACE (253 of 340 remaining) [2022-11-16 12:27:06,150 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err12ASSERT_VIOLATIONDATA_RACE (252 of 340 remaining) [2022-11-16 12:27:06,151 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err13ASSERT_VIOLATIONDATA_RACE (251 of 340 remaining) [2022-11-16 12:27:06,151 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err14ASSERT_VIOLATIONDATA_RACE (250 of 340 remaining) [2022-11-16 12:27:06,151 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err15ASSERT_VIOLATIONDATA_RACE (249 of 340 remaining) [2022-11-16 12:27:06,151 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err16ASSERT_VIOLATIONDATA_RACE (248 of 340 remaining) [2022-11-16 12:27:06,151 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err17ASSERT_VIOLATIONDATA_RACE (247 of 340 remaining) [2022-11-16 12:27:06,152 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err18ASSERT_VIOLATIONDATA_RACE (246 of 340 remaining) [2022-11-16 12:27:06,152 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err19ASSERT_VIOLATIONDATA_RACE (245 of 340 remaining) [2022-11-16 12:27:06,152 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err20ASSERT_VIOLATIONDATA_RACE (244 of 340 remaining) [2022-11-16 12:27:06,152 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err21ASSERT_VIOLATIONDATA_RACE (243 of 340 remaining) [2022-11-16 12:27:06,152 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err22ASSERT_VIOLATIONDATA_RACE (242 of 340 remaining) [2022-11-16 12:27:06,153 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err23ASSERT_VIOLATIONDATA_RACE (241 of 340 remaining) [2022-11-16 12:27:06,153 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err24ASSERT_VIOLATIONDATA_RACE (240 of 340 remaining) [2022-11-16 12:27:06,153 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (239 of 340 remaining) [2022-11-16 12:27:06,153 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (238 of 340 remaining) [2022-11-16 12:27:06,153 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (237 of 340 remaining) [2022-11-16 12:27:06,154 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (236 of 340 remaining) [2022-11-16 12:27:06,154 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err4ASSERT_VIOLATIONDATA_RACE (235 of 340 remaining) [2022-11-16 12:27:06,154 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err5ASSERT_VIOLATIONDATA_RACE (234 of 340 remaining) [2022-11-16 12:27:06,154 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err6ASSERT_VIOLATIONDATA_RACE (233 of 340 remaining) [2022-11-16 12:27:06,155 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err7ASSERT_VIOLATIONDATA_RACE (232 of 340 remaining) [2022-11-16 12:27:06,155 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err8ASSERT_VIOLATIONDATA_RACE (231 of 340 remaining) [2022-11-16 12:27:06,155 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err9ASSERT_VIOLATIONDATA_RACE (230 of 340 remaining) [2022-11-16 12:27:06,155 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err10ASSERT_VIOLATIONDATA_RACE (229 of 340 remaining) [2022-11-16 12:27:06,155 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err11ASSERT_VIOLATIONDATA_RACE (228 of 340 remaining) [2022-11-16 12:27:06,156 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err12ASSERT_VIOLATIONDATA_RACE (227 of 340 remaining) [2022-11-16 12:27:06,156 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err13ASSERT_VIOLATIONDATA_RACE (226 of 340 remaining) [2022-11-16 12:27:06,156 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err14ASSERT_VIOLATIONDATA_RACE (225 of 340 remaining) [2022-11-16 12:27:06,156 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err15ASSERT_VIOLATIONDATA_RACE (224 of 340 remaining) [2022-11-16 12:27:06,156 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err16ASSERT_VIOLATIONDATA_RACE (223 of 340 remaining) [2022-11-16 12:27:06,157 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err17ASSERT_VIOLATIONDATA_RACE (222 of 340 remaining) [2022-11-16 12:27:06,157 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err18ASSERT_VIOLATIONDATA_RACE (221 of 340 remaining) [2022-11-16 12:27:06,157 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err19ASSERT_VIOLATIONDATA_RACE (220 of 340 remaining) [2022-11-16 12:27:06,157 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err20ASSERT_VIOLATIONDATA_RACE (219 of 340 remaining) [2022-11-16 12:27:06,157 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err21ASSERT_VIOLATIONDATA_RACE (218 of 340 remaining) [2022-11-16 12:27:06,157 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err22ASSERT_VIOLATIONDATA_RACE (217 of 340 remaining) [2022-11-16 12:27:06,158 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err23ASSERT_VIOLATIONDATA_RACE (216 of 340 remaining) [2022-11-16 12:27:06,158 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err24ASSERT_VIOLATIONDATA_RACE (215 of 340 remaining) [2022-11-16 12:27:06,158 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (214 of 340 remaining) [2022-11-16 12:27:06,158 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (213 of 340 remaining) [2022-11-16 12:27:06,158 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (212 of 340 remaining) [2022-11-16 12:27:06,159 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (211 of 340 remaining) [2022-11-16 12:27:06,159 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (210 of 340 remaining) [2022-11-16 12:27:06,159 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (209 of 340 remaining) [2022-11-16 12:27:06,159 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (208 of 340 remaining) [2022-11-16 12:27:06,159 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (207 of 340 remaining) [2022-11-16 12:27:06,160 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (206 of 340 remaining) [2022-11-16 12:27:06,160 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (205 of 340 remaining) [2022-11-16 12:27:06,160 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (204 of 340 remaining) [2022-11-16 12:27:06,160 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (203 of 340 remaining) [2022-11-16 12:27:06,160 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE (202 of 340 remaining) [2022-11-16 12:27:06,161 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE (201 of 340 remaining) [2022-11-16 12:27:06,161 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE (200 of 340 remaining) [2022-11-16 12:27:06,161 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr15ASSERT_VIOLATIONDATA_RACE (199 of 340 remaining) [2022-11-16 12:27:06,161 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr16ASSERT_VIOLATIONDATA_RACE (198 of 340 remaining) [2022-11-16 12:27:06,161 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr17ASSERT_VIOLATIONDATA_RACE (197 of 340 remaining) [2022-11-16 12:27:06,162 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr18ASSERT_VIOLATIONDATA_RACE (196 of 340 remaining) [2022-11-16 12:27:06,162 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr19ASSERT_VIOLATIONDATA_RACE (195 of 340 remaining) [2022-11-16 12:27:06,162 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr21ASSERT_VIOLATIONDATA_RACE (194 of 340 remaining) [2022-11-16 12:27:06,162 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr20ASSERT_VIOLATIONDATA_RACE (193 of 340 remaining) [2022-11-16 12:27:06,162 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr22ASSERT_VIOLATIONDATA_RACE (192 of 340 remaining) [2022-11-16 12:27:06,163 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr23ASSERT_VIOLATIONDATA_RACE (191 of 340 remaining) [2022-11-16 12:27:06,163 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr24ASSERT_VIOLATIONDATA_RACE (190 of 340 remaining) [2022-11-16 12:27:06,163 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr25ASSERT_VIOLATIONDATA_RACE (189 of 340 remaining) [2022-11-16 12:27:06,163 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr26ASSERT_VIOLATIONDATA_RACE (188 of 340 remaining) [2022-11-16 12:27:06,163 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr28ASSERT_VIOLATIONDATA_RACE (187 of 340 remaining) [2022-11-16 12:27:06,164 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr27ASSERT_VIOLATIONDATA_RACE (186 of 340 remaining) [2022-11-16 12:27:06,164 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr29ASSERT_VIOLATIONDATA_RACE (185 of 340 remaining) [2022-11-16 12:27:06,164 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr30ASSERT_VIOLATIONDATA_RACE (184 of 340 remaining) [2022-11-16 12:27:06,164 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr31ASSERT_VIOLATIONDATA_RACE (183 of 340 remaining) [2022-11-16 12:27:06,164 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr32ASSERT_VIOLATIONDATA_RACE (182 of 340 remaining) [2022-11-16 12:27:06,165 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr33ASSERT_VIOLATIONDATA_RACE (181 of 340 remaining) [2022-11-16 12:27:06,165 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr34ASSERT_VIOLATIONDATA_RACE (180 of 340 remaining) [2022-11-16 12:27:06,165 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr35ASSERT_VIOLATIONDATA_RACE (179 of 340 remaining) [2022-11-16 12:27:06,165 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (178 of 340 remaining) [2022-11-16 12:27:06,165 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (177 of 340 remaining) [2022-11-16 12:27:06,166 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (176 of 340 remaining) [2022-11-16 12:27:06,166 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (175 of 340 remaining) [2022-11-16 12:27:06,166 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err0ASSERT_VIOLATIONDATA_RACE (174 of 340 remaining) [2022-11-16 12:27:06,166 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err1ASSERT_VIOLATIONDATA_RACE (173 of 340 remaining) [2022-11-16 12:27:06,166 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err2ASSERT_VIOLATIONDATA_RACE (172 of 340 remaining) [2022-11-16 12:27:06,167 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err3ASSERT_VIOLATIONDATA_RACE (171 of 340 remaining) [2022-11-16 12:27:06,167 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err4ASSERT_VIOLATIONDATA_RACE (170 of 340 remaining) [2022-11-16 12:27:06,167 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err5ASSERT_VIOLATIONDATA_RACE (169 of 340 remaining) [2022-11-16 12:27:06,167 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err6ASSERT_VIOLATIONDATA_RACE (168 of 340 remaining) [2022-11-16 12:27:06,167 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err7ASSERT_VIOLATIONDATA_RACE (167 of 340 remaining) [2022-11-16 12:27:06,168 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err8ASSERT_VIOLATIONDATA_RACE (166 of 340 remaining) [2022-11-16 12:27:06,168 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err9ASSERT_VIOLATIONDATA_RACE (165 of 340 remaining) [2022-11-16 12:27:06,168 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err10ASSERT_VIOLATIONDATA_RACE (164 of 340 remaining) [2022-11-16 12:27:06,168 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err11ASSERT_VIOLATIONDATA_RACE (163 of 340 remaining) [2022-11-16 12:27:06,168 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err12ASSERT_VIOLATIONDATA_RACE (162 of 340 remaining) [2022-11-16 12:27:06,169 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err13ASSERT_VIOLATIONDATA_RACE (161 of 340 remaining) [2022-11-16 12:27:06,169 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err14ASSERT_VIOLATIONDATA_RACE (160 of 340 remaining) [2022-11-16 12:27:06,169 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err15ASSERT_VIOLATIONDATA_RACE (159 of 340 remaining) [2022-11-16 12:27:06,169 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err16ASSERT_VIOLATIONDATA_RACE (158 of 340 remaining) [2022-11-16 12:27:06,169 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err17ASSERT_VIOLATIONDATA_RACE (157 of 340 remaining) [2022-11-16 12:27:06,170 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err18ASSERT_VIOLATIONDATA_RACE (156 of 340 remaining) [2022-11-16 12:27:06,170 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err19ASSERT_VIOLATIONDATA_RACE (155 of 340 remaining) [2022-11-16 12:27:06,170 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err20ASSERT_VIOLATIONDATA_RACE (154 of 340 remaining) [2022-11-16 12:27:06,170 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err21ASSERT_VIOLATIONDATA_RACE (153 of 340 remaining) [2022-11-16 12:27:06,170 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err22ASSERT_VIOLATIONDATA_RACE (152 of 340 remaining) [2022-11-16 12:27:06,171 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err23ASSERT_VIOLATIONDATA_RACE (151 of 340 remaining) [2022-11-16 12:27:06,171 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err24ASSERT_VIOLATIONDATA_RACE (150 of 340 remaining) [2022-11-16 12:27:06,171 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (149 of 340 remaining) [2022-11-16 12:27:06,171 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (148 of 340 remaining) [2022-11-16 12:27:06,171 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (147 of 340 remaining) [2022-11-16 12:27:06,172 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (146 of 340 remaining) [2022-11-16 12:27:06,172 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (145 of 340 remaining) [2022-11-16 12:27:06,172 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (144 of 340 remaining) [2022-11-16 12:27:06,172 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (143 of 340 remaining) [2022-11-16 12:27:06,173 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (142 of 340 remaining) [2022-11-16 12:27:06,173 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (141 of 340 remaining) [2022-11-16 12:27:06,173 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONDATA_RACE (140 of 340 remaining) [2022-11-16 12:27:06,173 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err10ASSERT_VIOLATIONDATA_RACE (139 of 340 remaining) [2022-11-16 12:27:06,173 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err11ASSERT_VIOLATIONDATA_RACE (138 of 340 remaining) [2022-11-16 12:27:06,174 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err12ASSERT_VIOLATIONDATA_RACE (137 of 340 remaining) [2022-11-16 12:27:06,174 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err13ASSERT_VIOLATIONDATA_RACE (136 of 340 remaining) [2022-11-16 12:27:06,174 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err14ASSERT_VIOLATIONDATA_RACE (135 of 340 remaining) [2022-11-16 12:27:06,174 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err15ASSERT_VIOLATIONDATA_RACE (134 of 340 remaining) [2022-11-16 12:27:06,174 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err16ASSERT_VIOLATIONDATA_RACE (133 of 340 remaining) [2022-11-16 12:27:06,175 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err17ASSERT_VIOLATIONDATA_RACE (132 of 340 remaining) [2022-11-16 12:27:06,175 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err18ASSERT_VIOLATIONDATA_RACE (131 of 340 remaining) [2022-11-16 12:27:06,175 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err19ASSERT_VIOLATIONDATA_RACE (130 of 340 remaining) [2022-11-16 12:27:06,175 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err20ASSERT_VIOLATIONDATA_RACE (129 of 340 remaining) [2022-11-16 12:27:06,175 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err21ASSERT_VIOLATIONDATA_RACE (128 of 340 remaining) [2022-11-16 12:27:06,176 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err22ASSERT_VIOLATIONDATA_RACE (127 of 340 remaining) [2022-11-16 12:27:06,176 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err23ASSERT_VIOLATIONDATA_RACE (126 of 340 remaining) [2022-11-16 12:27:06,176 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err24ASSERT_VIOLATIONDATA_RACE (125 of 340 remaining) [2022-11-16 12:27:06,176 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err25ASSERT_VIOLATIONDATA_RACE (124 of 340 remaining) [2022-11-16 12:27:06,176 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err26ASSERT_VIOLATIONDATA_RACE (123 of 340 remaining) [2022-11-16 12:27:06,177 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err27ASSERT_VIOLATIONDATA_RACE (122 of 340 remaining) [2022-11-16 12:27:06,177 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err28ASSERT_VIOLATIONDATA_RACE (121 of 340 remaining) [2022-11-16 12:27:06,177 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err29ASSERT_VIOLATIONDATA_RACE (120 of 340 remaining) [2022-11-16 12:27:06,177 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err30ASSERT_VIOLATIONDATA_RACE (119 of 340 remaining) [2022-11-16 12:27:06,178 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err31ASSERT_VIOLATIONDATA_RACE (118 of 340 remaining) [2022-11-16 12:27:06,178 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err32ASSERT_VIOLATIONDATA_RACE (117 of 340 remaining) [2022-11-16 12:27:06,178 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err33ASSERT_VIOLATIONDATA_RACE (116 of 340 remaining) [2022-11-16 12:27:06,178 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err34ASSERT_VIOLATIONDATA_RACE (115 of 340 remaining) [2022-11-16 12:27:06,178 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err35ASSERT_VIOLATIONDATA_RACE (114 of 340 remaining) [2022-11-16 12:27:06,179 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err36ASSERT_VIOLATIONDATA_RACE (113 of 340 remaining) [2022-11-16 12:27:06,179 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err37ASSERT_VIOLATIONDATA_RACE (112 of 340 remaining) [2022-11-16 12:27:06,179 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err38ASSERT_VIOLATIONDATA_RACE (111 of 340 remaining) [2022-11-16 12:27:06,179 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err39ASSERT_VIOLATIONDATA_RACE (110 of 340 remaining) [2022-11-16 12:27:06,179 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err40ASSERT_VIOLATIONDATA_RACE (109 of 340 remaining) [2022-11-16 12:27:06,180 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err41ASSERT_VIOLATIONDATA_RACE (108 of 340 remaining) [2022-11-16 12:27:06,180 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err42ASSERT_VIOLATIONDATA_RACE (107 of 340 remaining) [2022-11-16 12:27:06,180 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err43ASSERT_VIOLATIONDATA_RACE (106 of 340 remaining) [2022-11-16 12:27:06,180 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err44ASSERT_VIOLATIONDATA_RACE (105 of 340 remaining) [2022-11-16 12:27:06,180 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err45ASSERT_VIOLATIONDATA_RACE (104 of 340 remaining) [2022-11-16 12:27:06,181 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err46ASSERT_VIOLATIONDATA_RACE (103 of 340 remaining) [2022-11-16 12:27:06,181 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err47ASSERT_VIOLATIONDATA_RACE (102 of 340 remaining) [2022-11-16 12:27:06,181 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err48ASSERT_VIOLATIONDATA_RACE (101 of 340 remaining) [2022-11-16 12:27:06,181 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err49ASSERT_VIOLATIONDATA_RACE (100 of 340 remaining) [2022-11-16 12:27:06,181 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err50ASSERT_VIOLATIONDATA_RACE (99 of 340 remaining) [2022-11-16 12:27:06,182 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err51ASSERT_VIOLATIONDATA_RACE (98 of 340 remaining) [2022-11-16 12:27:06,182 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err52ASSERT_VIOLATIONDATA_RACE (97 of 340 remaining) [2022-11-16 12:27:06,182 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err53ASSERT_VIOLATIONDATA_RACE (96 of 340 remaining) [2022-11-16 12:27:06,182 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err54ASSERT_VIOLATIONDATA_RACE (95 of 340 remaining) [2022-11-16 12:27:06,183 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err55ASSERT_VIOLATIONDATA_RACE (94 of 340 remaining) [2022-11-16 12:27:06,183 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err56ASSERT_VIOLATIONDATA_RACE (93 of 340 remaining) [2022-11-16 12:27:06,183 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err57ASSERT_VIOLATIONDATA_RACE (92 of 340 remaining) [2022-11-16 12:27:06,183 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err58ASSERT_VIOLATIONDATA_RACE (91 of 340 remaining) [2022-11-16 12:27:06,183 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err59ASSERT_VIOLATIONDATA_RACE (90 of 340 remaining) [2022-11-16 12:27:06,184 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err60ASSERT_VIOLATIONDATA_RACE (89 of 340 remaining) [2022-11-16 12:27:06,184 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err61ASSERT_VIOLATIONDATA_RACE (88 of 340 remaining) [2022-11-16 12:27:06,184 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err62ASSERT_VIOLATIONDATA_RACE (87 of 340 remaining) [2022-11-16 12:27:06,184 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err63ASSERT_VIOLATIONDATA_RACE (86 of 340 remaining) [2022-11-16 12:27:06,184 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err64ASSERT_VIOLATIONDATA_RACE (85 of 340 remaining) [2022-11-16 12:27:06,185 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err65ASSERT_VIOLATIONDATA_RACE (84 of 340 remaining) [2022-11-16 12:27:06,185 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err66ASSERT_VIOLATIONDATA_RACE (83 of 340 remaining) [2022-11-16 12:27:06,185 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err67ASSERT_VIOLATIONDATA_RACE (82 of 340 remaining) [2022-11-16 12:27:06,185 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err68ASSERT_VIOLATIONDATA_RACE (81 of 340 remaining) [2022-11-16 12:27:06,185 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err69ASSERT_VIOLATIONDATA_RACE (80 of 340 remaining) [2022-11-16 12:27:06,186 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err70ASSERT_VIOLATIONDATA_RACE (79 of 340 remaining) [2022-11-16 12:27:06,186 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err71ASSERT_VIOLATIONDATA_RACE (78 of 340 remaining) [2022-11-16 12:27:06,186 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err72ASSERT_VIOLATIONDATA_RACE (77 of 340 remaining) [2022-11-16 12:27:06,186 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err73ASSERT_VIOLATIONDATA_RACE (76 of 340 remaining) [2022-11-16 12:27:06,186 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err74ASSERT_VIOLATIONDATA_RACE (75 of 340 remaining) [2022-11-16 12:27:06,187 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (74 of 340 remaining) [2022-11-16 12:27:06,187 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (73 of 340 remaining) [2022-11-16 12:27:06,187 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (72 of 340 remaining) [2022-11-16 12:27:06,187 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (71 of 340 remaining) [2022-11-16 12:27:06,187 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (70 of 340 remaining) [2022-11-16 12:27:06,188 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (69 of 340 remaining) [2022-11-16 12:27:06,188 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (68 of 340 remaining) [2022-11-16 12:27:06,188 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (67 of 340 remaining) [2022-11-16 12:27:06,188 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (66 of 340 remaining) [2022-11-16 12:27:06,188 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (65 of 340 remaining) [2022-11-16 12:27:06,189 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (64 of 340 remaining) [2022-11-16 12:27:06,189 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err11ASSERT_VIOLATIONDATA_RACE (63 of 340 remaining) [2022-11-16 12:27:06,189 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err12ASSERT_VIOLATIONDATA_RACE (62 of 340 remaining) [2022-11-16 12:27:06,189 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err13ASSERT_VIOLATIONDATA_RACE (61 of 340 remaining) [2022-11-16 12:27:06,190 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err14ASSERT_VIOLATIONDATA_RACE (60 of 340 remaining) [2022-11-16 12:27:06,190 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err15ASSERT_VIOLATIONDATA_RACE (59 of 340 remaining) [2022-11-16 12:27:06,190 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err16ASSERT_VIOLATIONDATA_RACE (58 of 340 remaining) [2022-11-16 12:27:06,190 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err17ASSERT_VIOLATIONDATA_RACE (57 of 340 remaining) [2022-11-16 12:27:06,190 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err18ASSERT_VIOLATIONDATA_RACE (56 of 340 remaining) [2022-11-16 12:27:06,191 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err19ASSERT_VIOLATIONDATA_RACE (55 of 340 remaining) [2022-11-16 12:27:06,191 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err20ASSERT_VIOLATIONDATA_RACE (54 of 340 remaining) [2022-11-16 12:27:06,191 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err21ASSERT_VIOLATIONDATA_RACE (53 of 340 remaining) [2022-11-16 12:27:06,191 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err22ASSERT_VIOLATIONDATA_RACE (52 of 340 remaining) [2022-11-16 12:27:06,191 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err23ASSERT_VIOLATIONDATA_RACE (51 of 340 remaining) [2022-11-16 12:27:06,192 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err24ASSERT_VIOLATIONDATA_RACE (50 of 340 remaining) [2022-11-16 12:27:06,192 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (49 of 340 remaining) [2022-11-16 12:27:06,192 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (48 of 340 remaining) [2022-11-16 12:27:06,192 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (47 of 340 remaining) [2022-11-16 12:27:06,192 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (46 of 340 remaining) [2022-11-16 12:27:06,193 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err4ASSERT_VIOLATIONDATA_RACE (45 of 340 remaining) [2022-11-16 12:27:06,193 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err5ASSERT_VIOLATIONDATA_RACE (44 of 340 remaining) [2022-11-16 12:27:06,193 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err6ASSERT_VIOLATIONDATA_RACE (43 of 340 remaining) [2022-11-16 12:27:06,193 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err7ASSERT_VIOLATIONDATA_RACE (42 of 340 remaining) [2022-11-16 12:27:06,193 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err8ASSERT_VIOLATIONDATA_RACE (41 of 340 remaining) [2022-11-16 12:27:06,194 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err9ASSERT_VIOLATIONDATA_RACE (40 of 340 remaining) [2022-11-16 12:27:06,194 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err10ASSERT_VIOLATIONDATA_RACE (39 of 340 remaining) [2022-11-16 12:27:06,194 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err11ASSERT_VIOLATIONDATA_RACE (38 of 340 remaining) [2022-11-16 12:27:06,194 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err12ASSERT_VIOLATIONDATA_RACE (37 of 340 remaining) [2022-11-16 12:27:06,194 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err13ASSERT_VIOLATIONDATA_RACE (36 of 340 remaining) [2022-11-16 12:27:06,195 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err14ASSERT_VIOLATIONDATA_RACE (35 of 340 remaining) [2022-11-16 12:27:06,195 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err15ASSERT_VIOLATIONDATA_RACE (34 of 340 remaining) [2022-11-16 12:27:06,195 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err16ASSERT_VIOLATIONDATA_RACE (33 of 340 remaining) [2022-11-16 12:27:06,195 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err17ASSERT_VIOLATIONDATA_RACE (32 of 340 remaining) [2022-11-16 12:27:06,195 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err18ASSERT_VIOLATIONDATA_RACE (31 of 340 remaining) [2022-11-16 12:27:06,196 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err19ASSERT_VIOLATIONDATA_RACE (30 of 340 remaining) [2022-11-16 12:27:06,196 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err20ASSERT_VIOLATIONDATA_RACE (29 of 340 remaining) [2022-11-16 12:27:06,196 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err21ASSERT_VIOLATIONDATA_RACE (28 of 340 remaining) [2022-11-16 12:27:06,196 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err22ASSERT_VIOLATIONDATA_RACE (27 of 340 remaining) [2022-11-16 12:27:06,196 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err23ASSERT_VIOLATIONDATA_RACE (26 of 340 remaining) [2022-11-16 12:27:06,197 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err24ASSERT_VIOLATIONDATA_RACE (25 of 340 remaining) [2022-11-16 12:27:06,197 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err0ASSERT_VIOLATIONDATA_RACE (24 of 340 remaining) [2022-11-16 12:27:06,197 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err1ASSERT_VIOLATIONDATA_RACE (23 of 340 remaining) [2022-11-16 12:27:06,197 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err2ASSERT_VIOLATIONDATA_RACE (22 of 340 remaining) [2022-11-16 12:27:06,197 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err3ASSERT_VIOLATIONDATA_RACE (21 of 340 remaining) [2022-11-16 12:27:06,198 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err4ASSERT_VIOLATIONDATA_RACE (20 of 340 remaining) [2022-11-16 12:27:06,198 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err5ASSERT_VIOLATIONDATA_RACE (19 of 340 remaining) [2022-11-16 12:27:06,198 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err6ASSERT_VIOLATIONDATA_RACE (18 of 340 remaining) [2022-11-16 12:27:06,198 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err7ASSERT_VIOLATIONDATA_RACE (17 of 340 remaining) [2022-11-16 12:27:06,198 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err8ASSERT_VIOLATIONDATA_RACE (16 of 340 remaining) [2022-11-16 12:27:06,199 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err9ASSERT_VIOLATIONDATA_RACE (15 of 340 remaining) [2022-11-16 12:27:06,199 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err10ASSERT_VIOLATIONDATA_RACE (14 of 340 remaining) [2022-11-16 12:27:06,199 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err11ASSERT_VIOLATIONDATA_RACE (13 of 340 remaining) [2022-11-16 12:27:06,199 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err12ASSERT_VIOLATIONDATA_RACE (12 of 340 remaining) [2022-11-16 12:27:06,199 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err13ASSERT_VIOLATIONDATA_RACE (11 of 340 remaining) [2022-11-16 12:27:06,200 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err14ASSERT_VIOLATIONDATA_RACE (10 of 340 remaining) [2022-11-16 12:27:06,200 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err15ASSERT_VIOLATIONDATA_RACE (9 of 340 remaining) [2022-11-16 12:27:06,200 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err16ASSERT_VIOLATIONDATA_RACE (8 of 340 remaining) [2022-11-16 12:27:06,200 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err17ASSERT_VIOLATIONDATA_RACE (7 of 340 remaining) [2022-11-16 12:27:06,200 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err18ASSERT_VIOLATIONDATA_RACE (6 of 340 remaining) [2022-11-16 12:27:06,201 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err19ASSERT_VIOLATIONDATA_RACE (5 of 340 remaining) [2022-11-16 12:27:06,201 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err20ASSERT_VIOLATIONDATA_RACE (4 of 340 remaining) [2022-11-16 12:27:06,201 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err21ASSERT_VIOLATIONDATA_RACE (3 of 340 remaining) [2022-11-16 12:27:06,201 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err22ASSERT_VIOLATIONDATA_RACE (2 of 340 remaining) [2022-11-16 12:27:06,201 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err23ASSERT_VIOLATIONDATA_RACE (1 of 340 remaining) [2022-11-16 12:27:06,202 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err24ASSERT_VIOLATIONDATA_RACE (0 of 340 remaining) [2022-11-16 12:27:06,202 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36 [2022-11-16 12:27:06,202 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:27:06,215 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-11-16 12:27:06,215 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-16 12:27:06,227 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.11 12:27:06 BasicIcfg [2022-11-16 12:27:06,227 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-16 12:27:06,228 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-16 12:27:06,228 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-16 12:27:06,228 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-16 12:27:06,229 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 12:26:09" (3/4) ... [2022-11-16 12:27:06,231 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-16 12:27:06,237 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2022-11-16 12:27:06,237 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2022-11-16 12:27:06,237 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread3 [2022-11-16 12:27:06,237 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread4 [2022-11-16 12:27:06,260 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 38 nodes and edges [2022-11-16 12:27:06,262 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-11-16 12:27:06,263 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-11-16 12:27:06,264 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-16 12:27:06,336 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_920a97de-853b-44b8-8c18-f841bcad687a/bin/uautomizer-tPACEb0tL8/witness.graphml [2022-11-16 12:27:06,336 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-16 12:27:06,337 INFO L158 Benchmark]: Toolchain (without parser) took 60470.47ms. Allocated memory was 115.3MB in the beginning and 4.0GB in the end (delta: 3.9GB). Free memory was 70.4MB in the beginning and 3.6GB in the end (delta: -3.6GB). Peak memory consumption was 358.4MB. Max. memory is 16.1GB. [2022-11-16 12:27:06,337 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 115.3MB. Free memory was 87.4MB in the beginning and 87.4MB in the end (delta: 53.7kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-16 12:27:06,337 INFO L158 Benchmark]: CACSL2BoogieTranslator took 453.53ms. Allocated memory is still 115.3MB. Free memory was 70.2MB in the beginning and 84.8MB in the end (delta: -14.6MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-11-16 12:27:06,338 INFO L158 Benchmark]: Boogie Procedure Inliner took 125.99ms. Allocated memory is still 115.3MB. Free memory was 84.8MB in the beginning and 78.5MB in the end (delta: 6.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-11-16 12:27:06,338 INFO L158 Benchmark]: Boogie Preprocessor took 98.23ms. Allocated memory is still 115.3MB. Free memory was 78.5MB in the beginning and 72.5MB in the end (delta: 6.1MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-11-16 12:27:06,338 INFO L158 Benchmark]: RCFGBuilder took 3288.00ms. Allocated memory was 115.3MB in the beginning and 186.6MB in the end (delta: 71.3MB). Free memory was 72.5MB in the beginning and 113.5MB in the end (delta: -41.1MB). Peak memory consumption was 59.1MB. Max. memory is 16.1GB. [2022-11-16 12:27:06,339 INFO L158 Benchmark]: TraceAbstraction took 56384.28ms. Allocated memory was 186.6MB in the beginning and 4.0GB in the end (delta: 3.9GB). Free memory was 113.5MB in the beginning and 3.6GB in the end (delta: -3.5GB). Peak memory consumption was 1.8GB. Max. memory is 16.1GB. [2022-11-16 12:27:06,339 INFO L158 Benchmark]: Witness Printer took 108.17ms. Allocated memory is still 4.0GB. Free memory was 3.6GB in the beginning and 3.6GB in the end (delta: 7.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-11-16 12:27:06,341 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 115.3MB. Free memory was 87.4MB in the beginning and 87.4MB in the end (delta: 53.7kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 453.53ms. Allocated memory is still 115.3MB. Free memory was 70.2MB in the beginning and 84.8MB in the end (delta: -14.6MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 125.99ms. Allocated memory is still 115.3MB. Free memory was 84.8MB in the beginning and 78.5MB in the end (delta: 6.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 98.23ms. Allocated memory is still 115.3MB. Free memory was 78.5MB in the beginning and 72.5MB in the end (delta: 6.1MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * RCFGBuilder took 3288.00ms. Allocated memory was 115.3MB in the beginning and 186.6MB in the end (delta: 71.3MB). Free memory was 72.5MB in the beginning and 113.5MB in the end (delta: -41.1MB). Peak memory consumption was 59.1MB. Max. memory is 16.1GB. * TraceAbstraction took 56384.28ms. Allocated memory was 186.6MB in the beginning and 4.0GB in the end (delta: 3.9GB). Free memory was 113.5MB in the beginning and 3.6GB in the end (delta: -3.5GB). Peak memory consumption was 1.8GB. Max. memory is 16.1GB. * Witness Printer took 108.17ms. Allocated memory is still 4.0GB. Free memory was 3.6GB in the beginning and 3.6GB in the end (delta: 7.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 53]: 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: 55]: 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: 55]: 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: 56]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 56]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 56]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 56]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 56]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 57]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 57]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 58]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 60]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 62]: 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: 62]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 63]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 63]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 63]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 63]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 64]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 64]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 65]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 67]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 69]: 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: 69]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 70]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 70]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 70]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 70]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 71]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 71]: 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: 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: 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: 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: 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: 78]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 78]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 79]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 81]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 83]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 83]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 83]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 83]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 83]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 84]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 84]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 84]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 84]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 84]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 85]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 85]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 86]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 88]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 90]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 90]: there are no data races For all program executions holds that there are no data races at this location - 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: 91]: 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: 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: 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: 103]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 105]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 105]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 105]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 105]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 105]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 106]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 106]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 106]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 106]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 106]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 107]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 107]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 108]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 110]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 112]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 112]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 112]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 113]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 113]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 113]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 113]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 114]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 114]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 115]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 125]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 127]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 127]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 127]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 127]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 127]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 128]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 128]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 128]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 128]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 128]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 129]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 129]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 130]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 132]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 134]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 134]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 134]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 135]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 135]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 135]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 135]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 136]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 136]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 137]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 170]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 172]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 173]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 174]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 174]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 175]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 175]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 217]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 177]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 178]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 178]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 179]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 180]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 180]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 217]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 182]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 183]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 183]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 184]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 185]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 185]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 217]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 187]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 188]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 188]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 189]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 190]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 190]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 217]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 192]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 193]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 200]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 201]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 202]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 203]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 205]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 147]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 149]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 149]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 149]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 150]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 150]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 150]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 150]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 151]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 151]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 152]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 154]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 156]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 156]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 156]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 156]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 156]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 157]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 157]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 157]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 157]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 157]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 158]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 158]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 159]: 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 9 procedures, 897 locations, 340 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: 55.9s, OverallIterations: 37, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 47.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.4s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 277 SdHoareTripleChecker+Valid, 5.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 277 mSDsluCounter, 347 SdHoareTripleChecker+Invalid, 4.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 230 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2515 IncrementalHoareTripleChecker+Invalid, 2745 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 230 mSolverCounterUnsat, 347 mSDtfsCounter, 2515 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 89 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1386occurred in iteration=0, InterpolantAutomatonStates: 126, 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: 0.2s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 6.2s InterpolantComputationTime, 6968 NumberOfCodeBlocks, 6968 NumberOfCodeBlocksAsserted, 37 NumberOfCheckSat, 6931 ConstructedInterpolants, 0 QuantifiedInterpolants, 7434 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 37 InterpolantComputations, 37 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 186 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-11-16 12:27:06,379 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_920a97de-853b-44b8-8c18-f841bcad687a/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE