./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/weaver/popl20-proofs-counter-add-4-semi-Q67.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version b5237d83 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8486332-a837-47c7-907f-895ac5e19471/bin/uautomizer-vX5HgA9Q3a/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8486332-a837-47c7-907f-895ac5e19471/bin/uautomizer-vX5HgA9Q3a/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8486332-a837-47c7-907f-895ac5e19471/bin/uautomizer-vX5HgA9Q3a/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8486332-a837-47c7-907f-895ac5e19471/bin/uautomizer-vX5HgA9Q3a/config/AutomizerReach.xml -i ../../sv-benchmarks/c/weaver/popl20-proofs-counter-add-4-semi-Q67.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8486332-a837-47c7-907f-895ac5e19471/bin/uautomizer-vX5HgA9Q3a/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8486332-a837-47c7-907f-895ac5e19471/bin/uautomizer-vX5HgA9Q3a --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 ec11f673f0852354e1b011c47ea1690182c02849435cfe6b9232c63dc6ffceb8 --- 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-b5237d8 [2022-11-21 13:55:29,404 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-21 13:55:29,407 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-21 13:55:29,447 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-21 13:55:29,448 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-21 13:55:29,449 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-21 13:55:29,454 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-21 13:55:29,461 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-21 13:55:29,464 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-21 13:55:29,471 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-21 13:55:29,472 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-21 13:55:29,475 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-21 13:55:29,475 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-21 13:55:29,481 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-21 13:55:29,483 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-21 13:55:29,484 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-21 13:55:29,485 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-21 13:55:29,486 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-21 13:55:29,488 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-21 13:55:29,490 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-21 13:55:29,491 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-21 13:55:29,496 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-21 13:55:29,499 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-21 13:55:29,500 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-21 13:55:29,515 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-21 13:55:29,516 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-21 13:55:29,516 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-21 13:55:29,518 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-21 13:55:29,519 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-21 13:55:29,520 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-21 13:55:29,520 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-21 13:55:29,521 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-21 13:55:29,521 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-21 13:55:29,522 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-21 13:55:29,523 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-21 13:55:29,524 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-21 13:55:29,524 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-21 13:55:29,525 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-21 13:55:29,525 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-21 13:55:29,526 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-21 13:55:29,531 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-21 13:55:29,533 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8486332-a837-47c7-907f-895ac5e19471/bin/uautomizer-vX5HgA9Q3a/config/svcomp-DataRace-32bit-Automizer_Default.epf [2022-11-21 13:55:29,577 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-21 13:55:29,578 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-21 13:55:29,578 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-21 13:55:29,579 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-21 13:55:29,580 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-21 13:55:29,580 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-21 13:55:29,581 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-21 13:55:29,581 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-21 13:55:29,581 INFO L138 SettingsManager]: * Use SBE=true [2022-11-21 13:55:29,581 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-21 13:55:29,583 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-21 13:55:29,583 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-21 13:55:29,583 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-21 13:55:29,583 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-21 13:55:29,583 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-21 13:55:29,584 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-21 13:55:29,584 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-21 13:55:29,584 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-21 13:55:29,584 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-11-21 13:55:29,584 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-21 13:55:29,585 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-21 13:55:29,585 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-21 13:55:29,585 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-21 13:55:29,585 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-21 13:55:29,585 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-21 13:55:29,586 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-21 13:55:29,586 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-21 13:55:29,586 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-21 13:55:29,586 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-21 13:55:29,587 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-21 13:55:29,587 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-21 13:55:29,587 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-21 13:55:29,588 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-21 13:55:29,588 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-21 13:55:29,588 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-21 13:55:29,588 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_f8486332-a837-47c7-907f-895ac5e19471/bin/uautomizer-vX5HgA9Q3a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8486332-a837-47c7-907f-895ac5e19471/bin/uautomizer-vX5HgA9Q3a Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ec11f673f0852354e1b011c47ea1690182c02849435cfe6b9232c63dc6ffceb8 [2022-11-21 13:55:29,939 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-21 13:55:29,981 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-21 13:55:29,984 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-21 13:55:29,985 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-21 13:55:29,986 INFO L275 PluginConnector]: CDTParser initialized [2022-11-21 13:55:29,987 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8486332-a837-47c7-907f-895ac5e19471/bin/uautomizer-vX5HgA9Q3a/../../sv-benchmarks/c/weaver/popl20-proofs-counter-add-4-semi-Q67.wvr.c [2022-11-21 13:55:33,158 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-21 13:55:33,447 INFO L351 CDTParser]: Found 1 translation units. [2022-11-21 13:55:33,447 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8486332-a837-47c7-907f-895ac5e19471/sv-benchmarks/c/weaver/popl20-proofs-counter-add-4-semi-Q67.wvr.c [2022-11-21 13:55:33,456 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8486332-a837-47c7-907f-895ac5e19471/bin/uautomizer-vX5HgA9Q3a/data/fa427cbd4/5d291cece20e4b1793c2add0e7713632/FLAGf9413aae0 [2022-11-21 13:55:33,474 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8486332-a837-47c7-907f-895ac5e19471/bin/uautomizer-vX5HgA9Q3a/data/fa427cbd4/5d291cece20e4b1793c2add0e7713632 [2022-11-21 13:55:33,477 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-21 13:55:33,479 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-21 13:55:33,480 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-21 13:55:33,481 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-21 13:55:33,485 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-21 13:55:33,487 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 01:55:33" (1/1) ... [2022-11-21 13:55:33,488 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@34fc49c6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:55:33, skipping insertion in model container [2022-11-21 13:55:33,488 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 01:55:33" (1/1) ... [2022-11-21 13:55:33,498 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-21 13:55:33,520 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-21 13:55:33,728 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8486332-a837-47c7-907f-895ac5e19471/sv-benchmarks/c/weaver/popl20-proofs-counter-add-4-semi-Q67.wvr.c[2611,2624] [2022-11-21 13:55:33,730 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 13:55:33,742 INFO L203 MainTranslator]: Completed pre-run [2022-11-21 13:55:33,779 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8486332-a837-47c7-907f-895ac5e19471/sv-benchmarks/c/weaver/popl20-proofs-counter-add-4-semi-Q67.wvr.c[2611,2624] [2022-11-21 13:55:33,781 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 13:55:33,798 INFO L208 MainTranslator]: Completed translation [2022-11-21 13:55:33,798 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:55:33 WrapperNode [2022-11-21 13:55:33,799 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-21 13:55:33,800 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-21 13:55:33,800 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-21 13:55:33,800 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-21 13:55:33,809 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:55:33" (1/1) ... [2022-11-21 13:55:33,841 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:55:33" (1/1) ... [2022-11-21 13:55:33,891 INFO L138 Inliner]: procedures = 22, calls = 42, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 227 [2022-11-21 13:55:33,891 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-21 13:55:33,892 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-21 13:55:33,892 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-21 13:55:33,892 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-21 13:55:33,911 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:55:33" (1/1) ... [2022-11-21 13:55:33,911 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:55:33" (1/1) ... [2022-11-21 13:55:33,932 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:55:33" (1/1) ... [2022-11-21 13:55:33,939 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:55:33" (1/1) ... [2022-11-21 13:55:33,950 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:55:33" (1/1) ... [2022-11-21 13:55:33,963 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:55:33" (1/1) ... [2022-11-21 13:55:33,979 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:55:33" (1/1) ... [2022-11-21 13:55:33,981 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:55:33" (1/1) ... [2022-11-21 13:55:33,985 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-21 13:55:33,986 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-21 13:55:33,987 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-21 13:55:33,987 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-21 13:55:33,988 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:55:33" (1/1) ... [2022-11-21 13:55:34,005 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-21 13:55:34,022 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8486332-a837-47c7-907f-895ac5e19471/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 13:55:34,045 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8486332-a837-47c7-907f-895ac5e19471/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-21 13:55:34,075 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8486332-a837-47c7-907f-895ac5e19471/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-21 13:55:34,105 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-21 13:55:34,106 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-11-21 13:55:34,106 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-11-21 13:55:34,106 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-11-21 13:55:34,107 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-11-21 13:55:34,108 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-11-21 13:55:34,110 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-11-21 13:55:34,110 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2022-11-21 13:55:34,110 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2022-11-21 13:55:34,110 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-21 13:55:34,110 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-21 13:55:34,111 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-21 13:55:34,111 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-11-21 13:55:34,111 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-11-21 13:55:34,111 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-21 13:55:34,111 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-21 13:55:34,112 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-21 13:55:34,112 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-21 13:55:34,114 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-21 13:55:34,358 INFO L235 CfgBuilder]: Building ICFG [2022-11-21 13:55:34,361 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-21 13:55:34,993 INFO L276 CfgBuilder]: Performing block encoding [2022-11-21 13:55:35,263 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-21 13:55:35,263 INFO L300 CfgBuilder]: Removed 4 assume(true) statements. [2022-11-21 13:55:35,266 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 01:55:35 BoogieIcfgContainer [2022-11-21 13:55:35,266 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-21 13:55:35,269 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-21 13:55:35,270 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-21 13:55:35,278 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-21 13:55:35,278 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 01:55:33" (1/3) ... [2022-11-21 13:55:35,279 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@8d145fa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 01:55:35, skipping insertion in model container [2022-11-21 13:55:35,279 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:55:33" (2/3) ... [2022-11-21 13:55:35,279 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@8d145fa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 01:55:35, skipping insertion in model container [2022-11-21 13:55:35,280 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 01:55:35" (3/3) ... [2022-11-21 13:55:35,281 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-proofs-counter-add-4-semi-Q67.wvr.c [2022-11-21 13:55:35,294 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-11-21 13:55:35,306 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-21 13:55:35,306 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 41 error locations. [2022-11-21 13:55:35,306 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-21 13:55:35,412 INFO L144 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2022-11-21 13:55:35,475 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 248 places, 247 transitions, 526 flow [2022-11-21 13:55:35,672 INFO L130 PetriNetUnfolder]: 12/243 cut-off events. [2022-11-21 13:55:35,673 INFO L131 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2022-11-21 13:55:35,683 INFO L83 FinitePrefix]: Finished finitePrefix Result has 260 conditions, 243 events. 12/243 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 263 event pairs, 0 based on Foata normal form. 0/190 useless extension candidates. Maximal degree in co-relation 169. Up to 2 conditions per place. [2022-11-21 13:55:35,683 INFO L82 GeneralOperation]: Start removeDead. Operand has 248 places, 247 transitions, 526 flow [2022-11-21 13:55:35,691 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 223 places, 221 transitions, 466 flow [2022-11-21 13:55:35,727 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-21 13:55:35,739 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;@5f5245e9, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-21 13:55:35,740 INFO L358 AbstractCegarLoop]: Starting to check reachability of 71 error locations. [2022-11-21 13:55:35,753 INFO L130 PetriNetUnfolder]: 0/29 cut-off events. [2022-11-21 13:55:35,753 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-11-21 13:55:35,754 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-21 13:55:35,754 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] [2022-11-21 13:55:35,755 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 67 more)] === [2022-11-21 13:55:35,760 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 13:55:35,761 INFO L85 PathProgramCache]: Analyzing trace with hash 303881493, now seen corresponding path program 1 times [2022-11-21 13:55:35,774 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 13:55:35,776 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1960386409] [2022-11-21 13:55:35,776 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 13:55:35,778 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 13:55:35,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:55:36,001 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 13:55:36,002 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 13:55:36,002 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1960386409] [2022-11-21 13:55:36,003 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1960386409] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 13:55:36,004 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 13:55:36,004 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-21 13:55:36,006 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [984595801] [2022-11-21 13:55:36,007 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 13:55:36,017 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-21 13:55:36,018 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 13:55:36,074 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-21 13:55:36,079 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 13:55:36,084 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 192 out of 247 [2022-11-21 13:55:36,092 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 223 places, 221 transitions, 466 flow. Second operand has 3 states, 3 states have (on average 193.33333333333334) internal successors, (580), 3 states have internal predecessors, (580), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 13:55:36,093 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-21 13:55:36,093 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 192 of 247 [2022-11-21 13:55:36,094 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-21 13:55:36,274 INFO L130 PetriNetUnfolder]: 45/257 cut-off events. [2022-11-21 13:55:36,274 INFO L131 PetriNetUnfolder]: For 28/31 co-relation queries the response was YES. [2022-11-21 13:55:36,277 INFO L83 FinitePrefix]: Finished finitePrefix Result has 370 conditions, 257 events. 45/257 cut-off events. For 28/31 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 389 event pairs, 9 based on Foata normal form. 35/240 useless extension candidates. Maximal degree in co-relation 242. Up to 76 conditions per place. [2022-11-21 13:55:36,280 INFO L137 encePairwiseOnDemand]: 221/247 looper letters, 27 selfloop transitions, 2 changer transitions 1/197 dead transitions. [2022-11-21 13:55:36,281 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 206 places, 197 transitions, 476 flow [2022-11-21 13:55:36,282 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-21 13:55:36,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-21 13:55:36,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 629 transitions. [2022-11-21 13:55:36,299 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8488529014844804 [2022-11-21 13:55:36,302 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 629 transitions. [2022-11-21 13:55:36,302 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 629 transitions. [2022-11-21 13:55:36,307 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-21 13:55:36,310 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 629 transitions. [2022-11-21 13:55:36,318 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 209.66666666666666) internal successors, (629), 3 states have internal predecessors, (629), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 13:55:36,327 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 247.0) internal successors, (988), 4 states have internal predecessors, (988), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 13:55:36,328 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 247.0) internal successors, (988), 4 states have internal predecessors, (988), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 13:55:36,331 INFO L175 Difference]: Start difference. First operand has 223 places, 221 transitions, 466 flow. Second operand 3 states and 629 transitions. [2022-11-21 13:55:36,332 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 206 places, 197 transitions, 476 flow [2022-11-21 13:55:36,337 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 198 places, 197 transitions, 460 flow, removed 0 selfloop flow, removed 8 redundant places. [2022-11-21 13:55:36,342 INFO L231 Difference]: Finished difference. Result has 198 places, 196 transitions, 404 flow [2022-11-21 13:55:36,345 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=247, PETRI_DIFFERENCE_MINUEND_FLOW=402, PETRI_DIFFERENCE_MINUEND_PLACES=196, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=197, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=195, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=404, PETRI_PLACES=198, PETRI_TRANSITIONS=196} [2022-11-21 13:55:36,350 INFO L288 CegarLoopForPetriNet]: 223 programPoint places, -25 predicate places. [2022-11-21 13:55:36,351 INFO L495 AbstractCegarLoop]: Abstraction has has 198 places, 196 transitions, 404 flow [2022-11-21 13:55:36,352 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 193.33333333333334) internal successors, (580), 3 states have internal predecessors, (580), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 13:55:36,352 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-21 13:55:36,353 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 13:55:36,355 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-21 13:55:36,355 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 67 more)] === [2022-11-21 13:55:36,356 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 13:55:36,356 INFO L85 PathProgramCache]: Analyzing trace with hash 373853718, now seen corresponding path program 1 times [2022-11-21 13:55:36,357 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 13:55:36,357 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [376454746] [2022-11-21 13:55:36,357 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 13:55:36,357 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 13:55:36,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:55:36,515 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 13:55:36,517 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 13:55:36,517 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [376454746] [2022-11-21 13:55:36,518 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [376454746] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 13:55:36,518 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 13:55:36,519 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-21 13:55:36,519 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1165494397] [2022-11-21 13:55:36,520 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 13:55:36,522 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-21 13:55:36,523 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 13:55:36,524 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-21 13:55:36,525 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 13:55:36,526 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 198 out of 247 [2022-11-21 13:55:36,529 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 198 places, 196 transitions, 404 flow. Second operand has 3 states, 3 states have (on average 199.33333333333334) internal successors, (598), 3 states have internal predecessors, (598), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 13:55:36,529 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-21 13:55:36,529 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 198 of 247 [2022-11-21 13:55:36,530 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-21 13:55:36,655 INFO L130 PetriNetUnfolder]: 51/261 cut-off events. [2022-11-21 13:55:36,655 INFO L131 PetriNetUnfolder]: For 7/10 co-relation queries the response was YES. [2022-11-21 13:55:36,661 INFO L83 FinitePrefix]: Finished finitePrefix Result has 353 conditions, 261 events. 51/261 cut-off events. For 7/10 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 371 event pairs, 9 based on Foata normal form. 0/214 useless extension candidates. Maximal degree in co-relation 315. Up to 76 conditions per place. [2022-11-21 13:55:36,664 INFO L137 encePairwiseOnDemand]: 244/247 looper letters, 21 selfloop transitions, 2 changer transitions 0/195 dead transitions. [2022-11-21 13:55:36,664 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 198 places, 195 transitions, 448 flow [2022-11-21 13:55:36,665 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-21 13:55:36,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-21 13:55:36,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 618 transitions. [2022-11-21 13:55:36,668 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8340080971659919 [2022-11-21 13:55:36,668 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 618 transitions. [2022-11-21 13:55:36,668 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 618 transitions. [2022-11-21 13:55:36,669 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-21 13:55:36,669 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 618 transitions. [2022-11-21 13:55:36,671 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 206.0) internal successors, (618), 3 states have internal predecessors, (618), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 13:55:36,674 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 247.0) internal successors, (988), 4 states have internal predecessors, (988), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 13:55:36,675 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 247.0) internal successors, (988), 4 states have internal predecessors, (988), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 13:55:36,675 INFO L175 Difference]: Start difference. First operand has 198 places, 196 transitions, 404 flow. Second operand 3 states and 618 transitions. [2022-11-21 13:55:36,675 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 198 places, 195 transitions, 448 flow [2022-11-21 13:55:36,678 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 196 places, 195 transitions, 444 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-21 13:55:36,682 INFO L231 Difference]: Finished difference. Result has 196 places, 195 transitions, 402 flow [2022-11-21 13:55:36,683 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=247, PETRI_DIFFERENCE_MINUEND_FLOW=398, PETRI_DIFFERENCE_MINUEND_PLACES=194, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=195, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=193, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=402, PETRI_PLACES=196, PETRI_TRANSITIONS=195} [2022-11-21 13:55:36,684 INFO L288 CegarLoopForPetriNet]: 223 programPoint places, -27 predicate places. [2022-11-21 13:55:36,684 INFO L495 AbstractCegarLoop]: Abstraction has has 196 places, 195 transitions, 402 flow [2022-11-21 13:55:36,685 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 199.33333333333334) internal successors, (598), 3 states have internal predecessors, (598), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 13:55:36,685 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-21 13:55:36,685 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] [2022-11-21 13:55:36,686 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-21 13:55:36,686 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 67 more)] === [2022-11-21 13:55:36,687 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 13:55:36,687 INFO L85 PathProgramCache]: Analyzing trace with hash 53522386, now seen corresponding path program 1 times [2022-11-21 13:55:36,687 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 13:55:36,687 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1919273549] [2022-11-21 13:55:36,688 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 13:55:36,688 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 13:55:36,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:55:36,781 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 13:55:36,781 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 13:55:36,781 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1919273549] [2022-11-21 13:55:36,782 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1919273549] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 13:55:36,782 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 13:55:36,782 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-21 13:55:36,782 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2048657484] [2022-11-21 13:55:36,783 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 13:55:36,783 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-21 13:55:36,783 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 13:55:36,784 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-21 13:55:36,784 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 13:55:36,785 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 198 out of 247 [2022-11-21 13:55:36,786 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 196 places, 195 transitions, 402 flow. Second operand has 3 states, 3 states have (on average 199.33333333333334) internal successors, (598), 3 states have internal predecessors, (598), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 13:55:36,786 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-21 13:55:36,787 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 198 of 247 [2022-11-21 13:55:36,787 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-21 13:55:36,885 INFO L130 PetriNetUnfolder]: 51/260 cut-off events. [2022-11-21 13:55:36,885 INFO L131 PetriNetUnfolder]: For 10/13 co-relation queries the response was YES. [2022-11-21 13:55:36,886 INFO L83 FinitePrefix]: Finished finitePrefix Result has 349 conditions, 260 events. 51/260 cut-off events. For 10/13 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 343 event pairs, 9 based on Foata normal form. 0/217 useless extension candidates. Maximal degree in co-relation 304. Up to 76 conditions per place. [2022-11-21 13:55:36,889 INFO L137 encePairwiseOnDemand]: 244/247 looper letters, 21 selfloop transitions, 2 changer transitions 0/194 dead transitions. [2022-11-21 13:55:36,889 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 197 places, 194 transitions, 446 flow [2022-11-21 13:55:36,895 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-21 13:55:36,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-21 13:55:36,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 618 transitions. [2022-11-21 13:55:36,897 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8340080971659919 [2022-11-21 13:55:36,897 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 618 transitions. [2022-11-21 13:55:36,898 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 618 transitions. [2022-11-21 13:55:36,898 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-21 13:55:36,898 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 618 transitions. [2022-11-21 13:55:36,900 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 206.0) internal successors, (618), 3 states have internal predecessors, (618), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 13:55:36,902 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 247.0) internal successors, (988), 4 states have internal predecessors, (988), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 13:55:36,903 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 247.0) internal successors, (988), 4 states have internal predecessors, (988), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 13:55:36,903 INFO L175 Difference]: Start difference. First operand has 196 places, 195 transitions, 402 flow. Second operand 3 states and 618 transitions. [2022-11-21 13:55:36,903 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 197 places, 194 transitions, 446 flow [2022-11-21 13:55:36,906 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 195 places, 194 transitions, 442 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-21 13:55:36,909 INFO L231 Difference]: Finished difference. Result has 195 places, 194 transitions, 400 flow [2022-11-21 13:55:36,910 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=247, PETRI_DIFFERENCE_MINUEND_FLOW=396, PETRI_DIFFERENCE_MINUEND_PLACES=193, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=194, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=192, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=400, PETRI_PLACES=195, PETRI_TRANSITIONS=194} [2022-11-21 13:55:36,912 INFO L288 CegarLoopForPetriNet]: 223 programPoint places, -28 predicate places. [2022-11-21 13:55:36,912 INFO L495 AbstractCegarLoop]: Abstraction has has 195 places, 194 transitions, 400 flow [2022-11-21 13:55:36,913 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 199.33333333333334) internal successors, (598), 3 states have internal predecessors, (598), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 13:55:36,913 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-21 13:55:36,913 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] [2022-11-21 13:55:36,913 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-21 13:55:36,914 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 67 more)] === [2022-11-21 13:55:36,915 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 13:55:36,915 INFO L85 PathProgramCache]: Analyzing trace with hash 1118394801, now seen corresponding path program 1 times [2022-11-21 13:55:36,916 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 13:55:36,916 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1851082697] [2022-11-21 13:55:36,916 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 13:55:36,916 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 13:55:36,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:55:37,051 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 13:55:37,051 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 13:55:37,052 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1851082697] [2022-11-21 13:55:37,052 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1851082697] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 13:55:37,052 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 13:55:37,052 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-21 13:55:37,052 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [916084556] [2022-11-21 13:55:37,053 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 13:55:37,053 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-21 13:55:37,053 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 13:55:37,054 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-21 13:55:37,054 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 13:55:37,055 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 198 out of 247 [2022-11-21 13:55:37,056 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 195 places, 194 transitions, 400 flow. Second operand has 3 states, 3 states have (on average 199.33333333333334) internal successors, (598), 3 states have internal predecessors, (598), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 13:55:37,056 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-21 13:55:37,056 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 198 of 247 [2022-11-21 13:55:37,056 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-21 13:55:37,140 INFO L130 PetriNetUnfolder]: 45/253 cut-off events. [2022-11-21 13:55:37,140 INFO L131 PetriNetUnfolder]: For 13/16 co-relation queries the response was YES. [2022-11-21 13:55:37,141 INFO L83 FinitePrefix]: Finished finitePrefix Result has 333 conditions, 253 events. 45/253 cut-off events. For 13/16 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 312 event pairs, 9 based on Foata normal form. 0/214 useless extension candidates. Maximal degree in co-relation 281. Up to 70 conditions per place. [2022-11-21 13:55:37,143 INFO L137 encePairwiseOnDemand]: 244/247 looper letters, 21 selfloop transitions, 2 changer transitions 0/193 dead transitions. [2022-11-21 13:55:37,143 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 196 places, 193 transitions, 444 flow [2022-11-21 13:55:37,143 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-21 13:55:37,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-21 13:55:37,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 618 transitions. [2022-11-21 13:55:37,146 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8340080971659919 [2022-11-21 13:55:37,146 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 618 transitions. [2022-11-21 13:55:37,146 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 618 transitions. [2022-11-21 13:55:37,146 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-21 13:55:37,147 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 618 transitions. [2022-11-21 13:55:37,148 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 206.0) internal successors, (618), 3 states have internal predecessors, (618), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 13:55:37,150 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 247.0) internal successors, (988), 4 states have internal predecessors, (988), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 13:55:37,151 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 247.0) internal successors, (988), 4 states have internal predecessors, (988), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 13:55:37,151 INFO L175 Difference]: Start difference. First operand has 195 places, 194 transitions, 400 flow. Second operand 3 states and 618 transitions. [2022-11-21 13:55:37,152 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 196 places, 193 transitions, 444 flow [2022-11-21 13:55:37,153 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 194 places, 193 transitions, 440 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-21 13:55:37,156 INFO L231 Difference]: Finished difference. Result has 194 places, 193 transitions, 398 flow [2022-11-21 13:55:37,157 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=247, PETRI_DIFFERENCE_MINUEND_FLOW=394, PETRI_DIFFERENCE_MINUEND_PLACES=192, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=193, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=191, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=398, PETRI_PLACES=194, PETRI_TRANSITIONS=193} [2022-11-21 13:55:37,158 INFO L288 CegarLoopForPetriNet]: 223 programPoint places, -29 predicate places. [2022-11-21 13:55:37,158 INFO L495 AbstractCegarLoop]: Abstraction has has 194 places, 193 transitions, 398 flow [2022-11-21 13:55:37,158 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 199.33333333333334) internal successors, (598), 3 states have internal predecessors, (598), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 13:55:37,159 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-21 13:55:37,159 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] [2022-11-21 13:55:37,159 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-21 13:55:37,159 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 67 more)] === [2022-11-21 13:55:37,160 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 13:55:37,160 INFO L85 PathProgramCache]: Analyzing trace with hash -1223572822, now seen corresponding path program 1 times [2022-11-21 13:55:37,160 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 13:55:37,160 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [284386372] [2022-11-21 13:55:37,160 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 13:55:37,161 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 13:55:37,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:55:37,215 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 13:55:37,215 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 13:55:37,216 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [284386372] [2022-11-21 13:55:37,216 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [284386372] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 13:55:37,216 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 13:55:37,216 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-21 13:55:37,216 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1675292937] [2022-11-21 13:55:37,217 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 13:55:37,217 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-21 13:55:37,217 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 13:55:37,218 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-21 13:55:37,218 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 13:55:37,219 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 195 out of 247 [2022-11-21 13:55:37,220 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 194 places, 193 transitions, 398 flow. Second operand has 3 states, 3 states have (on average 196.33333333333334) internal successors, (589), 3 states have internal predecessors, (589), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 13:55:37,220 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-21 13:55:37,220 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 195 of 247 [2022-11-21 13:55:37,220 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-21 13:55:37,300 INFO L130 PetriNetUnfolder]: 36/237 cut-off events. [2022-11-21 13:55:37,300 INFO L131 PetriNetUnfolder]: For 4/6 co-relation queries the response was YES. [2022-11-21 13:55:37,307 INFO L83 FinitePrefix]: Finished finitePrefix Result has 310 conditions, 237 events. 36/237 cut-off events. For 4/6 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 339 event pairs, 6 based on Foata normal form. 0/202 useless extension candidates. Maximal degree in co-relation 250. Up to 56 conditions per place. [2022-11-21 13:55:37,329 INFO L137 encePairwiseOnDemand]: 242/247 looper letters, 21 selfloop transitions, 1 changer transitions 0/189 dead transitions. [2022-11-21 13:55:37,329 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 192 places, 189 transitions, 434 flow [2022-11-21 13:55:37,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-21 13:55:37,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-21 13:55:37,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 611 transitions. [2022-11-21 13:55:37,332 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8245614035087719 [2022-11-21 13:55:37,332 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 611 transitions. [2022-11-21 13:55:37,333 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 611 transitions. [2022-11-21 13:55:37,333 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-21 13:55:37,334 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 611 transitions. [2022-11-21 13:55:37,336 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 203.66666666666666) internal successors, (611), 3 states have internal predecessors, (611), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 13:55:37,338 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 247.0) internal successors, (988), 4 states have internal predecessors, (988), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 13:55:37,339 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 247.0) internal successors, (988), 4 states have internal predecessors, (988), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 13:55:37,339 INFO L175 Difference]: Start difference. First operand has 194 places, 193 transitions, 398 flow. Second operand 3 states and 611 transitions. [2022-11-21 13:55:37,340 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 192 places, 189 transitions, 434 flow [2022-11-21 13:55:37,342 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 190 places, 189 transitions, 430 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-21 13:55:37,345 INFO L231 Difference]: Finished difference. Result has 190 places, 189 transitions, 388 flow [2022-11-21 13:55:37,346 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=247, PETRI_DIFFERENCE_MINUEND_FLOW=386, PETRI_DIFFERENCE_MINUEND_PLACES=188, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=189, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=188, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=388, PETRI_PLACES=190, PETRI_TRANSITIONS=189} [2022-11-21 13:55:37,346 INFO L288 CegarLoopForPetriNet]: 223 programPoint places, -33 predicate places. [2022-11-21 13:55:37,347 INFO L495 AbstractCegarLoop]: Abstraction has has 190 places, 189 transitions, 388 flow [2022-11-21 13:55:37,347 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 196.33333333333334) internal successors, (589), 3 states have internal predecessors, (589), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 13:55:37,348 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-21 13:55:37,348 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 13:55:37,348 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-21 13:55:37,348 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 67 more)] === [2022-11-21 13:55:37,349 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 13:55:37,349 INFO L85 PathProgramCache]: Analyzing trace with hash 967579669, now seen corresponding path program 1 times [2022-11-21 13:55:37,350 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 13:55:37,350 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [176971907] [2022-11-21 13:55:37,350 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 13:55:37,350 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 13:55:37,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:55:37,409 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 13:55:37,409 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 13:55:37,409 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [176971907] [2022-11-21 13:55:37,410 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [176971907] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 13:55:37,410 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 13:55:37,410 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-21 13:55:37,410 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [409776309] [2022-11-21 13:55:37,410 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 13:55:37,411 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-21 13:55:37,411 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 13:55:37,412 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-21 13:55:37,412 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 13:55:37,413 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 201 out of 247 [2022-11-21 13:55:37,415 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 190 places, 189 transitions, 388 flow. Second operand has 3 states, 3 states have (on average 202.33333333333334) internal successors, (607), 3 states have internal predecessors, (607), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 13:55:37,415 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-21 13:55:37,415 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 201 of 247 [2022-11-21 13:55:37,415 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-21 13:55:37,500 INFO L130 PetriNetUnfolder]: 40/239 cut-off events. [2022-11-21 13:55:37,501 INFO L131 PetriNetUnfolder]: For 6/8 co-relation queries the response was YES. [2022-11-21 13:55:37,502 INFO L83 FinitePrefix]: Finished finitePrefix Result has 309 conditions, 239 events. 40/239 cut-off events. For 6/8 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 305 event pairs, 6 based on Foata normal form. 0/208 useless extension candidates. Maximal degree in co-relation 249. Up to 56 conditions per place. [2022-11-21 13:55:37,504 INFO L137 encePairwiseOnDemand]: 244/247 looper letters, 17 selfloop transitions, 1 changer transitions 0/187 dead transitions. [2022-11-21 13:55:37,504 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 190 places, 187 transitions, 420 flow [2022-11-21 13:55:37,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-21 13:55:37,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-21 13:55:37,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 623 transitions. [2022-11-21 13:55:37,507 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8407557354925776 [2022-11-21 13:55:37,507 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 623 transitions. [2022-11-21 13:55:37,508 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 623 transitions. [2022-11-21 13:55:37,508 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-21 13:55:37,509 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 623 transitions. [2022-11-21 13:55:37,511 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 207.66666666666666) internal successors, (623), 3 states have internal predecessors, (623), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 13:55:37,513 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 247.0) internal successors, (988), 4 states have internal predecessors, (988), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 13:55:37,514 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 247.0) internal successors, (988), 4 states have internal predecessors, (988), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 13:55:37,514 INFO L175 Difference]: Start difference. First operand has 190 places, 189 transitions, 388 flow. Second operand 3 states and 623 transitions. [2022-11-21 13:55:37,515 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 190 places, 187 transitions, 420 flow [2022-11-21 13:55:37,517 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 189 places, 187 transitions, 419 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-11-21 13:55:37,520 INFO L231 Difference]: Finished difference. Result has 189 places, 187 transitions, 385 flow [2022-11-21 13:55:37,521 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=247, PETRI_DIFFERENCE_MINUEND_FLOW=383, PETRI_DIFFERENCE_MINUEND_PLACES=187, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=187, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=186, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=385, PETRI_PLACES=189, PETRI_TRANSITIONS=187} [2022-11-21 13:55:37,522 INFO L288 CegarLoopForPetriNet]: 223 programPoint places, -34 predicate places. [2022-11-21 13:55:37,522 INFO L495 AbstractCegarLoop]: Abstraction has has 189 places, 187 transitions, 385 flow [2022-11-21 13:55:37,523 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 202.33333333333334) internal successors, (607), 3 states have internal predecessors, (607), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 13:55:37,523 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-21 13:55:37,523 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] [2022-11-21 13:55:37,524 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-21 13:55:37,524 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 67 more)] === [2022-11-21 13:55:37,524 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 13:55:37,525 INFO L85 PathProgramCache]: Analyzing trace with hash 694983254, now seen corresponding path program 1 times [2022-11-21 13:55:37,525 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 13:55:37,525 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [142454488] [2022-11-21 13:55:37,525 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 13:55:37,526 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 13:55:37,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:55:37,600 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 13:55:37,601 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 13:55:37,601 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [142454488] [2022-11-21 13:55:37,601 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [142454488] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 13:55:37,601 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 13:55:37,602 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-21 13:55:37,602 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [843673943] [2022-11-21 13:55:37,602 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 13:55:37,603 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-21 13:55:37,603 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 13:55:37,604 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-21 13:55:37,604 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 13:55:37,605 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 201 out of 247 [2022-11-21 13:55:37,607 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 189 places, 187 transitions, 385 flow. Second operand has 3 states, 3 states have (on average 202.33333333333334) internal successors, (607), 3 states have internal predecessors, (607), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 13:55:37,607 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-21 13:55:37,607 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 201 of 247 [2022-11-21 13:55:37,607 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-21 13:55:37,745 INFO L130 PetriNetUnfolder]: 55/384 cut-off events. [2022-11-21 13:55:37,745 INFO L131 PetriNetUnfolder]: For 10/11 co-relation queries the response was YES. [2022-11-21 13:55:37,747 INFO L83 FinitePrefix]: Finished finitePrefix Result has 478 conditions, 384 events. 55/384 cut-off events. For 10/11 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 942 event pairs, 3 based on Foata normal form. 0/342 useless extension candidates. Maximal degree in co-relation 418. Up to 60 conditions per place. [2022-11-21 13:55:37,750 INFO L137 encePairwiseOnDemand]: 243/247 looper letters, 26 selfloop transitions, 2 changer transitions 0/195 dead transitions. [2022-11-21 13:55:37,750 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 189 places, 195 transitions, 463 flow [2022-11-21 13:55:37,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-21 13:55:37,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-21 13:55:37,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 633 transitions. [2022-11-21 13:55:37,753 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.854251012145749 [2022-11-21 13:55:37,753 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 633 transitions. [2022-11-21 13:55:37,753 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 633 transitions. [2022-11-21 13:55:37,754 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-21 13:55:37,754 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 633 transitions. [2022-11-21 13:55:37,755 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 211.0) internal successors, (633), 3 states have internal predecessors, (633), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 13:55:37,757 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 247.0) internal successors, (988), 4 states have internal predecessors, (988), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 13:55:37,758 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 247.0) internal successors, (988), 4 states have internal predecessors, (988), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 13:55:37,758 INFO L175 Difference]: Start difference. First operand has 189 places, 187 transitions, 385 flow. Second operand 3 states and 633 transitions. [2022-11-21 13:55:37,758 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 189 places, 195 transitions, 463 flow [2022-11-21 13:55:37,760 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 188 places, 195 transitions, 462 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-11-21 13:55:37,764 INFO L231 Difference]: Finished difference. Result has 189 places, 186 transitions, 390 flow [2022-11-21 13:55:37,764 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=247, PETRI_DIFFERENCE_MINUEND_FLOW=380, PETRI_DIFFERENCE_MINUEND_PLACES=186, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=185, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=183, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=390, PETRI_PLACES=189, PETRI_TRANSITIONS=186} [2022-11-21 13:55:37,765 INFO L288 CegarLoopForPetriNet]: 223 programPoint places, -34 predicate places. [2022-11-21 13:55:37,765 INFO L495 AbstractCegarLoop]: Abstraction has has 189 places, 186 transitions, 390 flow [2022-11-21 13:55:37,766 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 202.33333333333334) internal successors, (607), 3 states have internal predecessors, (607), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 13:55:37,766 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-21 13:55:37,766 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] [2022-11-21 13:55:37,766 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-21 13:55:37,766 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 67 more)] === [2022-11-21 13:55:37,767 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 13:55:37,767 INFO L85 PathProgramCache]: Analyzing trace with hash 887354491, now seen corresponding path program 1 times [2022-11-21 13:55:37,767 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 13:55:37,768 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [676050021] [2022-11-21 13:55:37,768 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 13:55:37,768 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 13:55:37,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:55:37,912 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 13:55:37,913 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 13:55:37,913 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [676050021] [2022-11-21 13:55:37,913 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [676050021] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 13:55:37,913 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 13:55:37,913 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-21 13:55:37,914 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [335187476] [2022-11-21 13:55:37,914 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 13:55:37,914 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-21 13:55:37,914 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 13:55:37,915 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-21 13:55:37,915 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-21 13:55:37,916 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 198 out of 247 [2022-11-21 13:55:37,918 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 189 places, 186 transitions, 390 flow. Second operand has 4 states, 4 states have (on average 199.25) internal successors, (797), 4 states have internal predecessors, (797), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 13:55:37,918 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-21 13:55:37,918 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 198 of 247 [2022-11-21 13:55:37,918 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-21 13:55:38,052 INFO L130 PetriNetUnfolder]: 29/307 cut-off events. [2022-11-21 13:55:38,052 INFO L131 PetriNetUnfolder]: For 6/6 co-relation queries the response was YES. [2022-11-21 13:55:38,054 INFO L83 FinitePrefix]: Finished finitePrefix Result has 386 conditions, 307 events. 29/307 cut-off events. For 6/6 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 600 event pairs, 0 based on Foata normal form. 0/280 useless extension candidates. Maximal degree in co-relation 327. Up to 54 conditions per place. [2022-11-21 13:55:38,055 INFO L137 encePairwiseOnDemand]: 241/247 looper letters, 26 selfloop transitions, 5 changer transitions 0/193 dead transitions. [2022-11-21 13:55:38,056 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 193 places, 193 transitions, 466 flow [2022-11-21 13:55:38,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-21 13:55:38,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2022-11-21 13:55:38,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1022 transitions. [2022-11-21 13:55:38,064 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8275303643724696 [2022-11-21 13:55:38,064 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 1022 transitions. [2022-11-21 13:55:38,064 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 1022 transitions. [2022-11-21 13:55:38,065 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-21 13:55:38,065 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 1022 transitions. [2022-11-21 13:55:38,068 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 204.4) internal successors, (1022), 5 states have internal predecessors, (1022), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 13:55:38,071 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 247.0) internal successors, (1482), 6 states have internal predecessors, (1482), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 13:55:38,072 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 247.0) internal successors, (1482), 6 states have internal predecessors, (1482), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 13:55:38,072 INFO L175 Difference]: Start difference. First operand has 189 places, 186 transitions, 390 flow. Second operand 5 states and 1022 transitions. [2022-11-21 13:55:38,072 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 193 places, 193 transitions, 466 flow [2022-11-21 13:55:38,074 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 193 places, 193 transitions, 466 flow, removed 0 selfloop flow, removed 0 redundant places. [2022-11-21 13:55:38,077 INFO L231 Difference]: Finished difference. Result has 197 places, 190 transitions, 428 flow [2022-11-21 13:55:38,077 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=247, PETRI_DIFFERENCE_MINUEND_FLOW=390, PETRI_DIFFERENCE_MINUEND_PLACES=189, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=186, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=181, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=428, PETRI_PLACES=197, PETRI_TRANSITIONS=190} [2022-11-21 13:55:38,084 INFO L288 CegarLoopForPetriNet]: 223 programPoint places, -26 predicate places. [2022-11-21 13:55:38,084 INFO L495 AbstractCegarLoop]: Abstraction has has 197 places, 190 transitions, 428 flow [2022-11-21 13:55:38,085 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 199.25) internal successors, (797), 4 states have internal predecessors, (797), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 13:55:38,085 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-21 13:55:38,085 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 13:55:38,085 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-21 13:55:38,086 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 67 more)] === [2022-11-21 13:55:38,086 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 13:55:38,086 INFO L85 PathProgramCache]: Analyzing trace with hash -989558382, now seen corresponding path program 1 times [2022-11-21 13:55:38,087 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 13:55:38,087 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [60128949] [2022-11-21 13:55:38,088 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 13:55:38,088 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 13:55:38,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:55:38,174 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 13:55:38,174 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 13:55:38,174 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [60128949] [2022-11-21 13:55:38,175 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [60128949] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 13:55:38,175 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 13:55:38,175 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-21 13:55:38,175 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1571345391] [2022-11-21 13:55:38,176 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 13:55:38,176 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-21 13:55:38,176 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 13:55:38,177 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-21 13:55:38,177 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 13:55:38,178 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 201 out of 247 [2022-11-21 13:55:38,179 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 197 places, 190 transitions, 428 flow. Second operand has 3 states, 3 states have (on average 202.33333333333334) internal successors, (607), 3 states have internal predecessors, (607), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 13:55:38,180 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-21 13:55:38,180 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 201 of 247 [2022-11-21 13:55:38,180 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-21 13:55:38,352 INFO L130 PetriNetUnfolder]: 81/482 cut-off events. [2022-11-21 13:55:38,353 INFO L131 PetriNetUnfolder]: For 26/29 co-relation queries the response was YES. [2022-11-21 13:55:38,355 INFO L83 FinitePrefix]: Finished finitePrefix Result has 649 conditions, 482 events. 81/482 cut-off events. For 26/29 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 1669 event pairs, 0 based on Foata normal form. 1/434 useless extension candidates. Maximal degree in co-relation 585. Up to 87 conditions per place. [2022-11-21 13:55:38,359 INFO L137 encePairwiseOnDemand]: 243/247 looper letters, 27 selfloop transitions, 2 changer transitions 0/199 dead transitions. [2022-11-21 13:55:38,359 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 197 places, 199 transitions, 511 flow [2022-11-21 13:55:38,359 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-21 13:55:38,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-21 13:55:38,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 634 transitions. [2022-11-21 13:55:38,362 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8556005398110661 [2022-11-21 13:55:38,362 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 634 transitions. [2022-11-21 13:55:38,362 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 634 transitions. [2022-11-21 13:55:38,363 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-21 13:55:38,363 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 634 transitions. [2022-11-21 13:55:38,367 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 211.33333333333334) internal successors, (634), 3 states have internal predecessors, (634), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 13:55:38,368 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 247.0) internal successors, (988), 4 states have internal predecessors, (988), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 13:55:38,369 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 247.0) internal successors, (988), 4 states have internal predecessors, (988), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 13:55:38,369 INFO L175 Difference]: Start difference. First operand has 197 places, 190 transitions, 428 flow. Second operand 3 states and 634 transitions. [2022-11-21 13:55:38,369 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 197 places, 199 transitions, 511 flow [2022-11-21 13:55:38,373 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 197 places, 199 transitions, 511 flow, removed 0 selfloop flow, removed 0 redundant places. [2022-11-21 13:55:38,376 INFO L231 Difference]: Finished difference. Result has 198 places, 189 transitions, 434 flow [2022-11-21 13:55:38,376 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=247, PETRI_DIFFERENCE_MINUEND_FLOW=424, PETRI_DIFFERENCE_MINUEND_PLACES=195, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=188, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=186, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=434, PETRI_PLACES=198, PETRI_TRANSITIONS=189} [2022-11-21 13:55:38,377 INFO L288 CegarLoopForPetriNet]: 223 programPoint places, -25 predicate places. [2022-11-21 13:55:38,378 INFO L495 AbstractCegarLoop]: Abstraction has has 198 places, 189 transitions, 434 flow [2022-11-21 13:55:38,378 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 202.33333333333334) internal successors, (607), 3 states have internal predecessors, (607), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 13:55:38,379 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-21 13:55:38,379 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] [2022-11-21 13:55:38,379 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-11-21 13:55:38,379 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting thread1Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 67 more)] === [2022-11-21 13:55:38,380 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 13:55:38,380 INFO L85 PathProgramCache]: Analyzing trace with hash -1575349675, now seen corresponding path program 1 times [2022-11-21 13:55:38,380 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 13:55:38,380 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1327137398] [2022-11-21 13:55:38,381 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 13:55:38,381 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 13:55:38,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:55:38,473 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 13:55:38,477 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 13:55:38,477 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1327137398] [2022-11-21 13:55:38,478 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1327137398] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 13:55:38,480 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 13:55:38,480 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-21 13:55:38,480 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [842277945] [2022-11-21 13:55:38,481 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 13:55:38,481 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-21 13:55:38,482 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 13:55:38,484 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-21 13:55:38,484 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 13:55:38,486 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 207 out of 247 [2022-11-21 13:55:38,487 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 198 places, 189 transitions, 434 flow. Second operand has 3 states, 3 states have (on average 208.0) internal successors, (624), 3 states have internal predecessors, (624), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 13:55:38,488 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-21 13:55:38,488 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 207 of 247 [2022-11-21 13:55:38,488 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-21 13:55:38,666 INFO L130 PetriNetUnfolder]: 103/695 cut-off events. [2022-11-21 13:55:38,667 INFO L131 PetriNetUnfolder]: For 16/21 co-relation queries the response was YES. [2022-11-21 13:55:38,671 INFO L83 FinitePrefix]: Finished finitePrefix Result has 924 conditions, 695 events. 103/695 cut-off events. For 16/21 co-relation queries the response was YES. Maximal size of possible extension queue 24. Compared 3194 event pairs, 13 based on Foata normal form. 0/616 useless extension candidates. Maximal degree in co-relation 861. Up to 105 conditions per place. [2022-11-21 13:55:38,677 INFO L137 encePairwiseOnDemand]: 244/247 looper letters, 18 selfloop transitions, 2 changer transitions 0/194 dead transitions. [2022-11-21 13:55:38,677 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 199 places, 194 transitions, 487 flow [2022-11-21 13:55:38,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-21 13:55:38,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-21 13:55:38,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 642 transitions. [2022-11-21 13:55:38,680 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8663967611336032 [2022-11-21 13:55:38,680 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 642 transitions. [2022-11-21 13:55:38,681 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 642 transitions. [2022-11-21 13:55:38,681 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-21 13:55:38,681 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 642 transitions. [2022-11-21 13:55:38,683 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 214.0) internal successors, (642), 3 states have internal predecessors, (642), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 13:55:38,685 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 247.0) internal successors, (988), 4 states have internal predecessors, (988), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 13:55:38,686 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 247.0) internal successors, (988), 4 states have internal predecessors, (988), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 13:55:38,686 INFO L175 Difference]: Start difference. First operand has 198 places, 189 transitions, 434 flow. Second operand 3 states and 642 transitions. [2022-11-21 13:55:38,687 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 199 places, 194 transitions, 487 flow [2022-11-21 13:55:38,689 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 199 places, 194 transitions, 487 flow, removed 0 selfloop flow, removed 0 redundant places. [2022-11-21 13:55:38,693 INFO L231 Difference]: Finished difference. Result has 199 places, 188 transitions, 436 flow [2022-11-21 13:55:38,694 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=247, PETRI_DIFFERENCE_MINUEND_FLOW=432, PETRI_DIFFERENCE_MINUEND_PLACES=197, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=188, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=186, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=436, PETRI_PLACES=199, PETRI_TRANSITIONS=188} [2022-11-21 13:55:38,695 INFO L288 CegarLoopForPetriNet]: 223 programPoint places, -24 predicate places. [2022-11-21 13:55:38,696 INFO L495 AbstractCegarLoop]: Abstraction has has 199 places, 188 transitions, 436 flow [2022-11-21 13:55:38,696 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 208.0) internal successors, (624), 3 states have internal predecessors, (624), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 13:55:38,696 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-21 13:55:38,697 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] [2022-11-21 13:55:38,697 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-11-21 13:55:38,697 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting thread2Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 67 more)] === [2022-11-21 13:55:38,698 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 13:55:38,698 INFO L85 PathProgramCache]: Analyzing trace with hash -700687117, now seen corresponding path program 1 times [2022-11-21 13:55:38,698 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 13:55:38,701 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1869530420] [2022-11-21 13:55:38,701 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 13:55:38,702 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 13:55:38,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:55:38,784 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 13:55:38,784 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 13:55:38,785 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1869530420] [2022-11-21 13:55:38,785 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1869530420] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 13:55:38,785 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 13:55:38,785 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-21 13:55:38,786 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2078822838] [2022-11-21 13:55:38,786 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 13:55:38,786 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-21 13:55:38,786 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 13:55:38,787 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-21 13:55:38,787 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 13:55:38,789 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 207 out of 247 [2022-11-21 13:55:38,789 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 199 places, 188 transitions, 436 flow. Second operand has 3 states, 3 states have (on average 208.33333333333334) internal successors, (625), 3 states have internal predecessors, (625), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 13:55:38,790 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-21 13:55:38,790 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 207 of 247 [2022-11-21 13:55:38,790 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-21 13:55:38,966 INFO L130 PetriNetUnfolder]: 121/715 cut-off events. [2022-11-21 13:55:38,966 INFO L131 PetriNetUnfolder]: For 58/63 co-relation queries the response was YES. [2022-11-21 13:55:38,971 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1000 conditions, 715 events. 121/715 cut-off events. For 58/63 co-relation queries the response was YES. Maximal size of possible extension queue 24. Compared 3201 event pairs, 16 based on Foata normal form. 0/633 useless extension candidates. Maximal degree in co-relation 936. Up to 111 conditions per place. [2022-11-21 13:55:38,976 INFO L137 encePairwiseOnDemand]: 244/247 looper letters, 18 selfloop transitions, 2 changer transitions 0/193 dead transitions. [2022-11-21 13:55:38,976 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 200 places, 193 transitions, 491 flow [2022-11-21 13:55:38,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-21 13:55:38,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-21 13:55:38,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 642 transitions. [2022-11-21 13:55:38,979 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8663967611336032 [2022-11-21 13:55:38,980 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 642 transitions. [2022-11-21 13:55:38,980 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 642 transitions. [2022-11-21 13:55:38,980 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-21 13:55:38,981 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 642 transitions. [2022-11-21 13:55:38,982 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 214.0) internal successors, (642), 3 states have internal predecessors, (642), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 13:55:38,984 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 247.0) internal successors, (988), 4 states have internal predecessors, (988), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 13:55:38,985 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 247.0) internal successors, (988), 4 states have internal predecessors, (988), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 13:55:38,985 INFO L175 Difference]: Start difference. First operand has 199 places, 188 transitions, 436 flow. Second operand 3 states and 642 transitions. [2022-11-21 13:55:38,985 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 200 places, 193 transitions, 491 flow [2022-11-21 13:55:38,990 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 198 places, 193 transitions, 485 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-21 13:55:38,993 INFO L231 Difference]: Finished difference. Result has 198 places, 187 transitions, 434 flow [2022-11-21 13:55:38,993 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=247, PETRI_DIFFERENCE_MINUEND_FLOW=430, PETRI_DIFFERENCE_MINUEND_PLACES=196, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=187, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=185, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=434, PETRI_PLACES=198, PETRI_TRANSITIONS=187} [2022-11-21 13:55:38,994 INFO L288 CegarLoopForPetriNet]: 223 programPoint places, -25 predicate places. [2022-11-21 13:55:38,994 INFO L495 AbstractCegarLoop]: Abstraction has has 198 places, 187 transitions, 434 flow [2022-11-21 13:55:38,995 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 208.33333333333334) internal successors, (625), 3 states have internal predecessors, (625), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 13:55:38,995 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-21 13:55:38,995 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] [2022-11-21 13:55:38,996 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-11-21 13:55:38,996 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting thread3Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 67 more)] === [2022-11-21 13:55:38,996 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 13:55:38,997 INFO L85 PathProgramCache]: Analyzing trace with hash -553199147, now seen corresponding path program 1 times [2022-11-21 13:55:38,997 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 13:55:38,997 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1352602997] [2022-11-21 13:55:38,997 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 13:55:38,998 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 13:55:39,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:55:39,062 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 13:55:39,063 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 13:55:39,063 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1352602997] [2022-11-21 13:55:39,063 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1352602997] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 13:55:39,064 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 13:55:39,064 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-21 13:55:39,064 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1241555726] [2022-11-21 13:55:39,064 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 13:55:39,065 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-21 13:55:39,065 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 13:55:39,065 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-21 13:55:39,066 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 13:55:39,067 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 207 out of 247 [2022-11-21 13:55:39,068 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 198 places, 187 transitions, 434 flow. Second operand has 3 states, 3 states have (on average 208.66666666666666) internal successors, (626), 3 states have internal predecessors, (626), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 13:55:39,068 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-21 13:55:39,068 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 207 of 247 [2022-11-21 13:55:39,069 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-21 13:55:39,220 INFO L130 PetriNetUnfolder]: 128/567 cut-off events. [2022-11-21 13:55:39,220 INFO L131 PetriNetUnfolder]: For 68/72 co-relation queries the response was YES. [2022-11-21 13:55:39,224 INFO L83 FinitePrefix]: Finished finitePrefix Result has 860 conditions, 567 events. 128/567 cut-off events. For 68/72 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 1976 event pairs, 2 based on Foata normal form. 1/515 useless extension candidates. Maximal degree in co-relation 796. Up to 110 conditions per place. [2022-11-21 13:55:39,228 INFO L137 encePairwiseOnDemand]: 244/247 looper letters, 18 selfloop transitions, 2 changer transitions 0/192 dead transitions. [2022-11-21 13:55:39,228 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 199 places, 192 transitions, 489 flow [2022-11-21 13:55:39,228 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-21 13:55:39,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-21 13:55:39,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 642 transitions. [2022-11-21 13:55:39,231 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8663967611336032 [2022-11-21 13:55:39,231 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 642 transitions. [2022-11-21 13:55:39,231 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 642 transitions. [2022-11-21 13:55:39,232 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-21 13:55:39,232 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 642 transitions. [2022-11-21 13:55:39,234 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 214.0) internal successors, (642), 3 states have internal predecessors, (642), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 13:55:39,235 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 247.0) internal successors, (988), 4 states have internal predecessors, (988), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 13:55:39,236 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 247.0) internal successors, (988), 4 states have internal predecessors, (988), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 13:55:39,236 INFO L175 Difference]: Start difference. First operand has 198 places, 187 transitions, 434 flow. Second operand 3 states and 642 transitions. [2022-11-21 13:55:39,237 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 199 places, 192 transitions, 489 flow [2022-11-21 13:55:39,241 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 197 places, 192 transitions, 483 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-21 13:55:39,245 INFO L231 Difference]: Finished difference. Result has 197 places, 186 transitions, 432 flow [2022-11-21 13:55:39,245 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=247, PETRI_DIFFERENCE_MINUEND_FLOW=428, PETRI_DIFFERENCE_MINUEND_PLACES=195, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=186, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=184, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=432, PETRI_PLACES=197, PETRI_TRANSITIONS=186} [2022-11-21 13:55:39,247 INFO L288 CegarLoopForPetriNet]: 223 programPoint places, -26 predicate places. [2022-11-21 13:55:39,247 INFO L495 AbstractCegarLoop]: Abstraction has has 197 places, 186 transitions, 432 flow [2022-11-21 13:55:39,248 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 208.66666666666666) internal successors, (626), 3 states have internal predecessors, (626), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 13:55:39,248 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-21 13:55:39,248 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] [2022-11-21 13:55:39,248 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-11-21 13:55:39,248 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting thread4Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 67 more)] === [2022-11-21 13:55:39,249 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 13:55:39,249 INFO L85 PathProgramCache]: Analyzing trace with hash 66640384, now seen corresponding path program 1 times [2022-11-21 13:55:39,249 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 13:55:39,249 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2146147409] [2022-11-21 13:55:39,250 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 13:55:39,250 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 13:55:39,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:55:39,309 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 13:55:39,310 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 13:55:39,310 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2146147409] [2022-11-21 13:55:39,314 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2146147409] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 13:55:39,314 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 13:55:39,315 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-21 13:55:39,315 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1809921365] [2022-11-21 13:55:39,315 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 13:55:39,315 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-21 13:55:39,316 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 13:55:39,317 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-21 13:55:39,317 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 13:55:39,318 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 207 out of 247 [2022-11-21 13:55:39,319 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 197 places, 186 transitions, 432 flow. Second operand has 3 states, 3 states have (on average 209.0) internal successors, (627), 3 states have internal predecessors, (627), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 13:55:39,319 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-21 13:55:39,319 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 207 of 247 [2022-11-21 13:55:39,320 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-21 13:55:39,471 INFO L130 PetriNetUnfolder]: 117/588 cut-off events. [2022-11-21 13:55:39,471 INFO L131 PetriNetUnfolder]: For 67/68 co-relation queries the response was YES. [2022-11-21 13:55:39,474 INFO L83 FinitePrefix]: Finished finitePrefix Result has 851 conditions, 588 events. 117/588 cut-off events. For 67/68 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 2144 event pairs, 9 based on Foata normal form. 0/540 useless extension candidates. Maximal degree in co-relation 787. Up to 93 conditions per place. [2022-11-21 13:55:39,477 INFO L137 encePairwiseOnDemand]: 244/247 looper letters, 18 selfloop transitions, 2 changer transitions 0/191 dead transitions. [2022-11-21 13:55:39,478 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 198 places, 191 transitions, 487 flow [2022-11-21 13:55:39,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-21 13:55:39,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-21 13:55:39,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 642 transitions. [2022-11-21 13:55:39,480 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8663967611336032 [2022-11-21 13:55:39,480 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 642 transitions. [2022-11-21 13:55:39,481 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 642 transitions. [2022-11-21 13:55:39,481 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-21 13:55:39,481 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 642 transitions. [2022-11-21 13:55:39,483 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 214.0) internal successors, (642), 3 states have internal predecessors, (642), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 13:55:39,485 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 247.0) internal successors, (988), 4 states have internal predecessors, (988), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 13:55:39,485 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 247.0) internal successors, (988), 4 states have internal predecessors, (988), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 13:55:39,485 INFO L175 Difference]: Start difference. First operand has 197 places, 186 transitions, 432 flow. Second operand 3 states and 642 transitions. [2022-11-21 13:55:39,486 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 198 places, 191 transitions, 487 flow [2022-11-21 13:55:39,487 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 196 places, 191 transitions, 481 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-21 13:55:39,490 INFO L231 Difference]: Finished difference. Result has 196 places, 185 transitions, 430 flow [2022-11-21 13:55:39,491 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=247, PETRI_DIFFERENCE_MINUEND_FLOW=426, PETRI_DIFFERENCE_MINUEND_PLACES=194, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=185, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=183, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=430, PETRI_PLACES=196, PETRI_TRANSITIONS=185} [2022-11-21 13:55:39,491 INFO L288 CegarLoopForPetriNet]: 223 programPoint places, -27 predicate places. [2022-11-21 13:55:39,491 INFO L495 AbstractCegarLoop]: Abstraction has has 196 places, 185 transitions, 430 flow [2022-11-21 13:55:39,492 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 209.0) internal successors, (627), 3 states have internal predecessors, (627), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 13:55:39,492 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-21 13:55:39,492 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] [2022-11-21 13:55:39,492 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-11-21 13:55:39,493 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 67 more)] === [2022-11-21 13:55:39,493 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 13:55:39,493 INFO L85 PathProgramCache]: Analyzing trace with hash -1754291520, now seen corresponding path program 1 times [2022-11-21 13:55:39,494 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 13:55:39,494 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1761383409] [2022-11-21 13:55:39,494 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 13:55:39,494 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 13:55:39,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:55:40,052 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 13:55:40,052 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 13:55:40,053 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1761383409] [2022-11-21 13:55:40,053 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1761383409] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 13:55:40,053 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 13:55:40,053 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-21 13:55:40,054 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1347985141] [2022-11-21 13:55:40,054 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 13:55:40,054 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-21 13:55:40,054 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 13:55:40,055 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-21 13:55:40,055 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-21 13:55:40,057 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 180 out of 247 [2022-11-21 13:55:40,060 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 196 places, 185 transitions, 430 flow. Second operand has 6 states, 6 states have (on average 182.16666666666666) internal successors, (1093), 6 states have internal predecessors, (1093), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 13:55:40,060 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-21 13:55:40,060 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 180 of 247 [2022-11-21 13:55:40,060 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-21 13:55:40,358 INFO L130 PetriNetUnfolder]: 243/627 cut-off events. [2022-11-21 13:55:40,358 INFO L131 PetriNetUnfolder]: For 79/79 co-relation queries the response was YES. [2022-11-21 13:55:40,363 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1116 conditions, 627 events. 243/627 cut-off events. For 79/79 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 1983 event pairs, 1 based on Foata normal form. 0/603 useless extension candidates. Maximal degree in co-relation 1050. Up to 235 conditions per place. [2022-11-21 13:55:40,368 INFO L137 encePairwiseOnDemand]: 242/247 looper letters, 51 selfloop transitions, 4 changer transitions 0/200 dead transitions. [2022-11-21 13:55:40,368 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 200 places, 200 transitions, 578 flow [2022-11-21 13:55:40,369 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-21 13:55:40,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-11-21 13:55:40,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1136 transitions. [2022-11-21 13:55:40,372 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.766531713900135 [2022-11-21 13:55:40,373 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1136 transitions. [2022-11-21 13:55:40,373 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1136 transitions. [2022-11-21 13:55:40,374 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-21 13:55:40,374 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1136 transitions. [2022-11-21 13:55:40,378 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 189.33333333333334) internal successors, (1136), 6 states have internal predecessors, (1136), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 13:55:40,382 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 247.0) internal successors, (1729), 7 states have internal predecessors, (1729), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 13:55:40,383 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 247.0) internal successors, (1729), 7 states have internal predecessors, (1729), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 13:55:40,383 INFO L175 Difference]: Start difference. First operand has 196 places, 185 transitions, 430 flow. Second operand 6 states and 1136 transitions. [2022-11-21 13:55:40,383 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 200 places, 200 transitions, 578 flow [2022-11-21 13:55:40,385 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 198 places, 200 transitions, 566 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-21 13:55:40,388 INFO L231 Difference]: Finished difference. Result has 198 places, 184 transitions, 432 flow [2022-11-21 13:55:40,389 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=247, PETRI_DIFFERENCE_MINUEND_FLOW=424, PETRI_DIFFERENCE_MINUEND_PLACES=193, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=184, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=180, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=432, PETRI_PLACES=198, PETRI_TRANSITIONS=184} [2022-11-21 13:55:40,390 INFO L288 CegarLoopForPetriNet]: 223 programPoint places, -25 predicate places. [2022-11-21 13:55:40,390 INFO L495 AbstractCegarLoop]: Abstraction has has 198 places, 184 transitions, 432 flow [2022-11-21 13:55:40,392 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 182.16666666666666) internal successors, (1093), 6 states have internal predecessors, (1093), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 13:55:40,392 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-21 13:55:40,392 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] [2022-11-21 13:55:40,393 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-11-21 13:55:40,393 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 67 more)] === [2022-11-21 13:55:40,393 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 13:55:40,394 INFO L85 PathProgramCache]: Analyzing trace with hash -354821585, now seen corresponding path program 1 times [2022-11-21 13:55:40,394 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 13:55:40,394 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [897760462] [2022-11-21 13:55:40,394 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 13:55:40,395 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 13:55:40,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:55:41,073 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 13:55:41,073 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 13:55:41,074 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [897760462] [2022-11-21 13:55:41,074 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [897760462] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 13:55:41,074 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 13:55:41,074 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-21 13:55:41,075 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1581357845] [2022-11-21 13:55:41,075 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 13:55:41,075 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-21 13:55:41,076 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 13:55:41,076 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-21 13:55:41,076 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-21 13:55:41,078 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 180 out of 247 [2022-11-21 13:55:41,080 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 198 places, 184 transitions, 432 flow. Second operand has 6 states, 6 states have (on average 183.16666666666666) internal successors, (1099), 6 states have internal predecessors, (1099), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 13:55:41,080 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-21 13:55:41,080 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 180 of 247 [2022-11-21 13:55:41,080 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-21 13:55:41,373 INFO L130 PetriNetUnfolder]: 206/577 cut-off events. [2022-11-21 13:55:41,374 INFO L131 PetriNetUnfolder]: For 8/8 co-relation queries the response was YES. [2022-11-21 13:55:41,377 INFO L83 FinitePrefix]: Finished finitePrefix Result has 960 conditions, 577 events. 206/577 cut-off events. For 8/8 co-relation queries the response was YES. Maximal size of possible extension queue 17. Compared 1847 event pairs, 7 based on Foata normal form. 0/556 useless extension candidates. Maximal degree in co-relation 894. Up to 162 conditions per place. [2022-11-21 13:55:41,381 INFO L137 encePairwiseOnDemand]: 242/247 looper letters, 46 selfloop transitions, 4 changer transitions 0/195 dead transitions. [2022-11-21 13:55:41,382 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 202 places, 195 transitions, 554 flow [2022-11-21 13:55:41,382 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-21 13:55:41,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-11-21 13:55:41,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1131 transitions. [2022-11-21 13:55:41,386 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.7631578947368421 [2022-11-21 13:55:41,386 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1131 transitions. [2022-11-21 13:55:41,386 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1131 transitions. [2022-11-21 13:55:41,387 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-21 13:55:41,387 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1131 transitions. [2022-11-21 13:55:41,390 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 188.5) internal successors, (1131), 6 states have internal predecessors, (1131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 13:55:41,394 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 247.0) internal successors, (1729), 7 states have internal predecessors, (1729), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 13:55:41,395 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 247.0) internal successors, (1729), 7 states have internal predecessors, (1729), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 13:55:41,395 INFO L175 Difference]: Start difference. First operand has 198 places, 184 transitions, 432 flow. Second operand 6 states and 1131 transitions. [2022-11-21 13:55:41,396 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 202 places, 195 transitions, 554 flow [2022-11-21 13:55:41,398 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 198 places, 195 transitions, 547 flow, removed 0 selfloop flow, removed 4 redundant places. [2022-11-21 13:55:41,401 INFO L231 Difference]: Finished difference. Result has 198 places, 183 transitions, 431 flow [2022-11-21 13:55:41,402 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=247, PETRI_DIFFERENCE_MINUEND_FLOW=423, PETRI_DIFFERENCE_MINUEND_PLACES=193, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=183, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=179, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=431, PETRI_PLACES=198, PETRI_TRANSITIONS=183} [2022-11-21 13:55:41,403 INFO L288 CegarLoopForPetriNet]: 223 programPoint places, -25 predicate places. [2022-11-21 13:55:41,404 INFO L495 AbstractCegarLoop]: Abstraction has has 198 places, 183 transitions, 431 flow [2022-11-21 13:55:41,415 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 183.16666666666666) internal successors, (1099), 6 states have internal predecessors, (1099), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 13:55:41,424 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-21 13:55:41,424 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] [2022-11-21 13:55:41,425 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-11-21 13:55:41,425 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 67 more)] === [2022-11-21 13:55:41,425 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 13:55:41,425 INFO L85 PathProgramCache]: Analyzing trace with hash -1127778667, now seen corresponding path program 1 times [2022-11-21 13:55:41,426 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 13:55:41,426 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [650045048] [2022-11-21 13:55:41,426 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 13:55:41,426 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 13:55:41,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:55:42,091 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 13:55:42,091 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 13:55:42,097 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [650045048] [2022-11-21 13:55:42,099 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [650045048] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 13:55:42,100 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 13:55:42,100 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-21 13:55:42,100 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [907333495] [2022-11-21 13:55:42,100 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 13:55:42,102 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-21 13:55:42,102 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 13:55:42,102 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-21 13:55:42,103 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-21 13:55:42,104 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 180 out of 247 [2022-11-21 13:55:42,106 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 198 places, 183 transitions, 431 flow. Second operand has 6 states, 6 states have (on average 184.16666666666666) internal successors, (1105), 6 states have internal predecessors, (1105), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 13:55:42,107 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-21 13:55:42,107 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 180 of 247 [2022-11-21 13:55:42,107 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-21 13:55:42,337 INFO L130 PetriNetUnfolder]: 200/567 cut-off events. [2022-11-21 13:55:42,337 INFO L131 PetriNetUnfolder]: For 8/8 co-relation queries the response was YES. [2022-11-21 13:55:42,340 INFO L83 FinitePrefix]: Finished finitePrefix Result has 944 conditions, 567 events. 200/567 cut-off events. For 8/8 co-relation queries the response was YES. Maximal size of possible extension queue 17. Compared 1778 event pairs, 13 based on Foata normal form. 0/553 useless extension candidates. Maximal degree in co-relation 878. Up to 235 conditions per place. [2022-11-21 13:55:42,344 INFO L137 encePairwiseOnDemand]: 242/247 looper letters, 41 selfloop transitions, 4 changer transitions 0/190 dead transitions. [2022-11-21 13:55:42,344 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 202 places, 190 transitions, 535 flow [2022-11-21 13:55:42,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-21 13:55:42,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-11-21 13:55:42,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1126 transitions. [2022-11-21 13:55:42,348 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.7597840755735492 [2022-11-21 13:55:42,348 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1126 transitions. [2022-11-21 13:55:42,349 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1126 transitions. [2022-11-21 13:55:42,349 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-21 13:55:42,350 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1126 transitions. [2022-11-21 13:55:42,352 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 187.66666666666666) internal successors, (1126), 6 states have internal predecessors, (1126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 13:55:42,355 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 247.0) internal successors, (1729), 7 states have internal predecessors, (1729), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 13:55:42,356 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 247.0) internal successors, (1729), 7 states have internal predecessors, (1729), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 13:55:42,357 INFO L175 Difference]: Start difference. First operand has 198 places, 183 transitions, 431 flow. Second operand 6 states and 1126 transitions. [2022-11-21 13:55:42,357 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 202 places, 190 transitions, 535 flow [2022-11-21 13:55:42,359 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 198 places, 190 transitions, 528 flow, removed 0 selfloop flow, removed 4 redundant places. [2022-11-21 13:55:42,362 INFO L231 Difference]: Finished difference. Result has 198 places, 182 transitions, 430 flow [2022-11-21 13:55:42,362 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=247, PETRI_DIFFERENCE_MINUEND_FLOW=422, PETRI_DIFFERENCE_MINUEND_PLACES=193, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=182, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=178, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=430, PETRI_PLACES=198, PETRI_TRANSITIONS=182} [2022-11-21 13:55:42,363 INFO L288 CegarLoopForPetriNet]: 223 programPoint places, -25 predicate places. [2022-11-21 13:55:42,366 INFO L495 AbstractCegarLoop]: Abstraction has has 198 places, 182 transitions, 430 flow [2022-11-21 13:55:42,366 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 184.16666666666666) internal successors, (1105), 6 states have internal predecessors, (1105), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 13:55:42,367 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-21 13:55:42,367 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] [2022-11-21 13:55:42,367 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-11-21 13:55:42,367 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 67 more)] === [2022-11-21 13:55:42,368 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 13:55:42,368 INFO L85 PathProgramCache]: Analyzing trace with hash -442068717, now seen corresponding path program 1 times [2022-11-21 13:55:42,368 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 13:55:42,368 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [141270991] [2022-11-21 13:55:42,369 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 13:55:42,369 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 13:55:42,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:55:43,061 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 13:55:43,061 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 13:55:43,061 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [141270991] [2022-11-21 13:55:43,062 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [141270991] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 13:55:43,062 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 13:55:43,062 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-21 13:55:43,062 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1666257747] [2022-11-21 13:55:43,062 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 13:55:43,063 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-21 13:55:43,064 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 13:55:43,064 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-21 13:55:43,064 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-21 13:55:43,066 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 180 out of 247 [2022-11-21 13:55:43,067 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 198 places, 182 transitions, 430 flow. Second operand has 6 states, 6 states have (on average 185.16666666666666) internal successors, (1111), 6 states have internal predecessors, (1111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 13:55:43,068 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-21 13:55:43,068 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 180 of 247 [2022-11-21 13:55:43,068 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-21 13:55:43,313 INFO L130 PetriNetUnfolder]: 197/562 cut-off events. [2022-11-21 13:55:43,313 INFO L131 PetriNetUnfolder]: For 8/8 co-relation queries the response was YES. [2022-11-21 13:55:43,317 INFO L83 FinitePrefix]: Finished finitePrefix Result has 936 conditions, 562 events. 197/562 cut-off events. For 8/8 co-relation queries the response was YES. Maximal size of possible extension queue 17. Compared 1763 event pairs, 19 based on Foata normal form. 0/550 useless extension candidates. Maximal degree in co-relation 870. Up to 280 conditions per place. [2022-11-21 13:55:43,321 INFO L137 encePairwiseOnDemand]: 242/247 looper letters, 36 selfloop transitions, 4 changer transitions 0/185 dead transitions. [2022-11-21 13:55:43,321 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 202 places, 185 transitions, 516 flow [2022-11-21 13:55:43,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-21 13:55:43,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-11-21 13:55:43,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1121 transitions. [2022-11-21 13:55:43,325 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.7564102564102564 [2022-11-21 13:55:43,326 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1121 transitions. [2022-11-21 13:55:43,326 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1121 transitions. [2022-11-21 13:55:43,327 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-21 13:55:43,327 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1121 transitions. [2022-11-21 13:55:43,330 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 186.83333333333334) internal successors, (1121), 6 states have internal predecessors, (1121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 13:55:43,333 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 247.0) internal successors, (1729), 7 states have internal predecessors, (1729), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 13:55:43,333 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 247.0) internal successors, (1729), 7 states have internal predecessors, (1729), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 13:55:43,334 INFO L175 Difference]: Start difference. First operand has 198 places, 182 transitions, 430 flow. Second operand 6 states and 1121 transitions. [2022-11-21 13:55:43,334 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 202 places, 185 transitions, 516 flow [2022-11-21 13:55:43,336 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 198 places, 185 transitions, 509 flow, removed 0 selfloop flow, removed 4 redundant places. [2022-11-21 13:55:43,338 INFO L231 Difference]: Finished difference. Result has 198 places, 181 transitions, 429 flow [2022-11-21 13:55:43,339 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=247, PETRI_DIFFERENCE_MINUEND_FLOW=421, PETRI_DIFFERENCE_MINUEND_PLACES=193, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=181, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=177, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=429, PETRI_PLACES=198, PETRI_TRANSITIONS=181} [2022-11-21 13:55:43,340 INFO L288 CegarLoopForPetriNet]: 223 programPoint places, -25 predicate places. [2022-11-21 13:55:43,340 INFO L495 AbstractCegarLoop]: Abstraction has has 198 places, 181 transitions, 429 flow [2022-11-21 13:55:43,340 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 185.16666666666666) internal successors, (1111), 6 states have internal predecessors, (1111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 13:55:43,340 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-21 13:55:43,341 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] [2022-11-21 13:55:43,341 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-11-21 13:55:43,341 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 67 more)] === [2022-11-21 13:55:43,342 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 13:55:43,342 INFO L85 PathProgramCache]: Analyzing trace with hash -170291413, now seen corresponding path program 1 times [2022-11-21 13:55:43,342 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 13:55:43,342 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1188999479] [2022-11-21 13:55:43,343 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 13:55:43,343 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 13:55:43,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:55:43,430 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 13:55:43,431 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 13:55:43,431 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1188999479] [2022-11-21 13:55:43,431 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1188999479] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 13:55:43,431 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 13:55:43,431 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-21 13:55:43,431 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [439661588] [2022-11-21 13:55:43,432 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 13:55:43,432 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-21 13:55:43,432 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 13:55:43,433 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-21 13:55:43,433 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 13:55:43,434 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 207 out of 247 [2022-11-21 13:55:43,435 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 198 places, 181 transitions, 429 flow. Second operand has 3 states, 3 states have (on average 210.33333333333334) internal successors, (631), 3 states have internal predecessors, (631), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 13:55:43,435 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-21 13:55:43,435 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 207 of 247 [2022-11-21 13:55:43,435 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-21 13:55:43,514 INFO L130 PetriNetUnfolder]: 52/414 cut-off events. [2022-11-21 13:55:43,514 INFO L131 PetriNetUnfolder]: For 17/18 co-relation queries the response was YES. [2022-11-21 13:55:43,516 INFO L83 FinitePrefix]: Finished finitePrefix Result has 559 conditions, 414 events. 52/414 cut-off events. For 17/18 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 1182 event pairs, 3 based on Foata normal form. 1/399 useless extension candidates. Maximal degree in co-relation 534. Up to 74 conditions per place. [2022-11-21 13:55:43,517 INFO L137 encePairwiseOnDemand]: 245/247 looper letters, 0 selfloop transitions, 0 changer transitions 180/180 dead transitions. [2022-11-21 13:55:43,517 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 199 places, 180 transitions, 453 flow [2022-11-21 13:55:43,518 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-21 13:55:43,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-21 13:55:43,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 635 transitions. [2022-11-21 13:55:43,521 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8569500674763832 [2022-11-21 13:55:43,521 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 635 transitions. [2022-11-21 13:55:43,521 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 635 transitions. [2022-11-21 13:55:43,522 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-21 13:55:43,522 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 635 transitions. [2022-11-21 13:55:43,524 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 211.66666666666666) internal successors, (635), 3 states have internal predecessors, (635), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 13:55:43,525 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 247.0) internal successors, (988), 4 states have internal predecessors, (988), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 13:55:43,526 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 247.0) internal successors, (988), 4 states have internal predecessors, (988), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 13:55:43,526 INFO L175 Difference]: Start difference. First operand has 198 places, 181 transitions, 429 flow. Second operand 3 states and 635 transitions. [2022-11-21 13:55:43,526 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 199 places, 180 transitions, 453 flow [2022-11-21 13:55:43,528 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 195 places, 180 transitions, 446 flow, removed 0 selfloop flow, removed 4 redundant places. [2022-11-21 13:55:43,529 INFO L231 Difference]: Finished difference. Result has 195 places, 0 transitions, 0 flow [2022-11-21 13:55:43,530 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=247, PETRI_DIFFERENCE_MINUEND_FLOW=420, PETRI_DIFFERENCE_MINUEND_PLACES=193, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=180, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=180, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=195, PETRI_TRANSITIONS=0} [2022-11-21 13:55:43,530 INFO L288 CegarLoopForPetriNet]: 223 programPoint places, -28 predicate places. [2022-11-21 13:55:43,531 INFO L495 AbstractCegarLoop]: Abstraction has has 195 places, 0 transitions, 0 flow [2022-11-21 13:55:43,531 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 210.33333333333334) internal successors, (631), 3 states have internal predecessors, (631), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 13:55:43,534 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (70 of 71 remaining) [2022-11-21 13:55:43,534 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (69 of 71 remaining) [2022-11-21 13:55:43,534 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (68 of 71 remaining) [2022-11-21 13:55:43,535 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (67 of 71 remaining) [2022-11-21 13:55:43,535 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (66 of 71 remaining) [2022-11-21 13:55:43,535 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (65 of 71 remaining) [2022-11-21 13:55:43,535 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (64 of 71 remaining) [2022-11-21 13:55:43,535 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (63 of 71 remaining) [2022-11-21 13:55:43,536 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (62 of 71 remaining) [2022-11-21 13:55:43,536 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (61 of 71 remaining) [2022-11-21 13:55:43,536 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (60 of 71 remaining) [2022-11-21 13:55:43,536 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (59 of 71 remaining) [2022-11-21 13:55:43,536 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (58 of 71 remaining) [2022-11-21 13:55:43,537 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (57 of 71 remaining) [2022-11-21 13:55:43,537 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (56 of 71 remaining) [2022-11-21 13:55:43,537 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (55 of 71 remaining) [2022-11-21 13:55:43,537 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (54 of 71 remaining) [2022-11-21 13:55:43,537 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err4ASSERT_VIOLATIONDATA_RACE (53 of 71 remaining) [2022-11-21 13:55:43,538 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err5ASSERT_VIOLATIONDATA_RACE (52 of 71 remaining) [2022-11-21 13:55:43,538 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (51 of 71 remaining) [2022-11-21 13:55:43,538 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (50 of 71 remaining) [2022-11-21 13:55:43,538 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (49 of 71 remaining) [2022-11-21 13:55:43,538 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (48 of 71 remaining) [2022-11-21 13:55:43,539 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (47 of 71 remaining) [2022-11-21 13:55:43,539 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (46 of 71 remaining) [2022-11-21 13:55:43,539 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (45 of 71 remaining) [2022-11-21 13:55:43,539 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (44 of 71 remaining) [2022-11-21 13:55:43,539 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (43 of 71 remaining) [2022-11-21 13:55:43,540 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (42 of 71 remaining) [2022-11-21 13:55:43,540 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (41 of 71 remaining) [2022-11-21 13:55:43,540 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (40 of 71 remaining) [2022-11-21 13:55:43,540 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE (39 of 71 remaining) [2022-11-21 13:55:43,541 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE (38 of 71 remaining) [2022-11-21 13:55:43,541 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE (37 of 71 remaining) [2022-11-21 13:55:43,541 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (36 of 71 remaining) [2022-11-21 13:55:43,541 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (35 of 71 remaining) [2022-11-21 13:55:43,542 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (34 of 71 remaining) [2022-11-21 13:55:43,542 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (33 of 71 remaining) [2022-11-21 13:55:43,542 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err0ASSERT_VIOLATIONDATA_RACE (32 of 71 remaining) [2022-11-21 13:55:43,542 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err1ASSERT_VIOLATIONDATA_RACE (31 of 71 remaining) [2022-11-21 13:55:43,542 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err2ASSERT_VIOLATIONDATA_RACE (30 of 71 remaining) [2022-11-21 13:55:43,543 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err3ASSERT_VIOLATIONDATA_RACE (29 of 71 remaining) [2022-11-21 13:55:43,543 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err4ASSERT_VIOLATIONDATA_RACE (28 of 71 remaining) [2022-11-21 13:55:43,543 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err5ASSERT_VIOLATIONDATA_RACE (27 of 71 remaining) [2022-11-21 13:55:43,543 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err6ASSERT_VIOLATIONDATA_RACE (26 of 71 remaining) [2022-11-21 13:55:43,544 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (25 of 71 remaining) [2022-11-21 13:55:43,544 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (24 of 71 remaining) [2022-11-21 13:55:43,544 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (23 of 71 remaining) [2022-11-21 13:55:43,544 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (22 of 71 remaining) [2022-11-21 13:55:43,544 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (21 of 71 remaining) [2022-11-21 13:55:43,545 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (20 of 71 remaining) [2022-11-21 13:55:43,545 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (19 of 71 remaining) [2022-11-21 13:55:43,545 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (18 of 71 remaining) [2022-11-21 13:55:43,545 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (17 of 71 remaining) [2022-11-21 13:55:43,545 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (16 of 71 remaining) [2022-11-21 13:55:43,546 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (15 of 71 remaining) [2022-11-21 13:55:43,546 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (14 of 71 remaining) [2022-11-21 13:55:43,546 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (13 of 71 remaining) [2022-11-21 13:55:43,546 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (12 of 71 remaining) [2022-11-21 13:55:43,546 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (11 of 71 remaining) [2022-11-21 13:55:43,547 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (10 of 71 remaining) [2022-11-21 13:55:43,547 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (9 of 71 remaining) [2022-11-21 13:55:43,547 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err4ASSERT_VIOLATIONDATA_RACE (8 of 71 remaining) [2022-11-21 13:55:43,547 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err5ASSERT_VIOLATIONDATA_RACE (7 of 71 remaining) [2022-11-21 13:55:43,547 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err0ASSERT_VIOLATIONDATA_RACE (6 of 71 remaining) [2022-11-21 13:55:43,548 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err1ASSERT_VIOLATIONDATA_RACE (5 of 71 remaining) [2022-11-21 13:55:43,548 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err2ASSERT_VIOLATIONDATA_RACE (4 of 71 remaining) [2022-11-21 13:55:43,548 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err3ASSERT_VIOLATIONDATA_RACE (3 of 71 remaining) [2022-11-21 13:55:43,548 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err4ASSERT_VIOLATIONDATA_RACE (2 of 71 remaining) [2022-11-21 13:55:43,549 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err5ASSERT_VIOLATIONDATA_RACE (1 of 71 remaining) [2022-11-21 13:55:43,549 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err6ASSERT_VIOLATIONDATA_RACE (0 of 71 remaining) [2022-11-21 13:55:43,549 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-11-21 13:55:43,549 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 13:55:43,557 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-11-21 13:55:43,557 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-21 13:55:43,563 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.11 01:55:43 BasicIcfg [2022-11-21 13:55:43,564 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-21 13:55:43,564 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-21 13:55:43,565 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-21 13:55:43,565 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-21 13:55:43,565 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 01:55:35" (3/4) ... [2022-11-21 13:55:43,568 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-21 13:55:43,574 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2022-11-21 13:55:43,574 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2022-11-21 13:55:43,575 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread3 [2022-11-21 13:55:43,575 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread4 [2022-11-21 13:55:43,582 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 23 nodes and edges [2022-11-21 13:55:43,583 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-11-21 13:55:43,583 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-11-21 13:55:43,584 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-21 13:55:43,630 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8486332-a837-47c7-907f-895ac5e19471/bin/uautomizer-vX5HgA9Q3a/witness.graphml [2022-11-21 13:55:43,631 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-21 13:55:43,631 INFO L158 Benchmark]: Toolchain (without parser) took 10152.88ms. Allocated memory was 155.2MB in the beginning and 249.6MB in the end (delta: 94.4MB). Free memory was 125.3MB in the beginning and 114.8MB in the end (delta: 10.5MB). Peak memory consumption was 106.6MB. Max. memory is 16.1GB. [2022-11-21 13:55:43,632 INFO L158 Benchmark]: CDTParser took 0.71ms. Allocated memory is still 117.4MB. Free memory is still 71.1MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 13:55:43,632 INFO L158 Benchmark]: CACSL2BoogieTranslator took 318.78ms. Allocated memory is still 155.2MB. Free memory was 125.3MB in the beginning and 113.4MB in the end (delta: 11.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-21 13:55:43,632 INFO L158 Benchmark]: Boogie Procedure Inliner took 91.49ms. Allocated memory is still 155.2MB. Free memory was 113.4MB in the beginning and 111.0MB in the end (delta: 2.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-21 13:55:43,633 INFO L158 Benchmark]: Boogie Preprocessor took 93.59ms. Allocated memory is still 155.2MB. Free memory was 111.0MB in the beginning and 108.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-21 13:55:43,633 INFO L158 Benchmark]: RCFGBuilder took 1280.09ms. Allocated memory is still 155.2MB. Free memory was 108.9MB in the beginning and 72.2MB in the end (delta: 36.7MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. [2022-11-21 13:55:43,634 INFO L158 Benchmark]: TraceAbstraction took 8294.56ms. Allocated memory was 155.2MB in the beginning and 249.6MB in the end (delta: 94.4MB). Free memory was 71.5MB in the beginning and 119.0MB in the end (delta: -47.5MB). Peak memory consumption was 49.9MB. Max. memory is 16.1GB. [2022-11-21 13:55:43,634 INFO L158 Benchmark]: Witness Printer took 66.35ms. Allocated memory is still 249.6MB. Free memory was 119.0MB in the beginning and 114.8MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-21 13:55:43,636 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.71ms. Allocated memory is still 117.4MB. Free memory is still 71.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 318.78ms. Allocated memory is still 155.2MB. Free memory was 125.3MB in the beginning and 113.4MB in the end (delta: 11.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 91.49ms. Allocated memory is still 155.2MB. Free memory was 113.4MB in the beginning and 111.0MB in the end (delta: 2.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 93.59ms. Allocated memory is still 155.2MB. Free memory was 111.0MB in the beginning and 108.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1280.09ms. Allocated memory is still 155.2MB. Free memory was 108.9MB in the beginning and 72.2MB in the end (delta: 36.7MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. * TraceAbstraction took 8294.56ms. Allocated memory was 155.2MB in the beginning and 249.6MB in the end (delta: 94.4MB). Free memory was 71.5MB in the beginning and 119.0MB in the end (delta: -47.5MB). Peak memory consumption was 49.9MB. Max. memory is 16.1GB. * Witness Printer took 66.35ms. Allocated memory is still 249.6MB. Free memory was 119.0MB in the beginning and 114.8MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 40]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 40]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 42]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 42]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 43]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 43]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 51]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 51]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 53]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 54]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 54]: 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: 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: 65]: 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: 66]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 66]: 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: 89]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 90]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 91]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 92]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 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: 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: 92]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 99]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 100]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 101]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 102]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 104]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 74]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 74]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 76]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 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 - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 9 procedures, 302 locations, 71 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 8.1s, OverallIterations: 18, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 3.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.2s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 202 SdHoareTripleChecker+Valid, 1.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 202 mSDsluCounter, 139 SdHoareTripleChecker+Invalid, 0.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 9 mSDsCounter, 77 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 827 IncrementalHoareTripleChecker+Invalid, 904 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 77 mSolverCounterUnsat, 130 mSDtfsCounter, 827 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 51 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=466occurred in iteration=0, InterpolantAutomatonStates: 68, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 3.3s InterpolantComputationTime, 1449 NumberOfCodeBlocks, 1449 NumberOfCodeBlocksAsserted, 18 NumberOfCheckSat, 1431 ConstructedInterpolants, 0 QuantifiedInterpolants, 1783 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 18 InterpolantComputations, 18 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 41 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-11-21 13:55:43,667 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8486332-a837-47c7-907f-895ac5e19471/bin/uautomizer-vX5HgA9Q3a/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