./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/goblint-regression/09-regions_06-ptra_nr.i --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_108acfd6-a8e3-44f2-9915-89f76c733b99/bin/utaipan-g80aRyZoba/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_108acfd6-a8e3-44f2-9915-89f76c733b99/bin/utaipan-g80aRyZoba/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_108acfd6-a8e3-44f2-9915-89f76c733b99/bin/utaipan-g80aRyZoba/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_108acfd6-a8e3-44f2-9915-89f76c733b99/bin/utaipan-g80aRyZoba/config/TaipanReach.xml -i ../../sv-benchmarks/c/goblint-regression/09-regions_06-ptra_nr.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_108acfd6-a8e3-44f2-9915-89f76c733b99/bin/utaipan-g80aRyZoba/config/svcomp-DataRace-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_108acfd6-a8e3-44f2-9915-89f76c733b99/bin/utaipan-g80aRyZoba --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 Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash e4d7ddac57159b9ffdb625c6e71ce7282574c20e8d076ceee5f26bffd815ae46 --- 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 [2022-11-22 01:36:51,579 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-22 01:36:51,581 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-22 01:36:51,600 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-22 01:36:51,601 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-22 01:36:51,602 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-22 01:36:51,603 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-22 01:36:51,605 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-22 01:36:51,607 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-22 01:36:51,608 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-22 01:36:51,609 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-22 01:36:51,610 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-22 01:36:51,610 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-22 01:36:51,611 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-22 01:36:51,613 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-22 01:36:51,614 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-22 01:36:51,615 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-22 01:36:51,615 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-22 01:36:51,617 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-22 01:36:51,619 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-22 01:36:51,620 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-22 01:36:51,622 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-22 01:36:51,623 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-22 01:36:51,624 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-22 01:36:51,628 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-22 01:36:51,628 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-22 01:36:51,629 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-22 01:36:51,630 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-22 01:36:51,630 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-22 01:36:51,631 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-22 01:36:51,632 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-22 01:36:51,633 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-22 01:36:51,634 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-22 01:36:51,635 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-22 01:36:51,636 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-22 01:36:51,636 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-22 01:36:51,637 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-22 01:36:51,637 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-22 01:36:51,638 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-22 01:36:51,639 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-22 01:36:51,639 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-22 01:36:51,640 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_108acfd6-a8e3-44f2-9915-89f76c733b99/bin/utaipan-g80aRyZoba/config/svcomp-DataRace-32bit-Taipan_Default.epf [2022-11-22 01:36:51,662 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-22 01:36:51,662 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-22 01:36:51,663 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-22 01:36:51,663 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-22 01:36:51,684 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-22 01:36:51,685 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-22 01:36:51,685 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-22 01:36:51,686 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-22 01:36:51,686 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-22 01:36:51,686 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-22 01:36:51,687 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-22 01:36:51,687 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-22 01:36:51,687 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-22 01:36:51,688 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-22 01:36:51,688 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-22 01:36:51,688 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-22 01:36:51,689 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-22 01:36:51,689 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-22 01:36:51,690 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-22 01:36:51,690 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-22 01:36:51,690 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-22 01:36:51,691 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-22 01:36:51,691 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-22 01:36:51,691 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-22 01:36:51,692 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-22 01:36:51,692 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-22 01:36:51,692 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-22 01:36:51,693 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-11-22 01:36:51,693 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-22 01:36:51,693 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-22 01:36:51,693 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-22 01:36:51,694 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-22 01:36:51,694 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-22 01:36:51,694 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-22 01:36:51,695 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-22 01:36:51,695 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-22 01:36:51,695 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-22 01:36:51,696 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-22 01:36:51,696 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-22 01:36:51,696 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-22 01:36:51,697 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-22 01:36:51,697 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-22 01:36:51,697 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-22 01:36:51,698 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_108acfd6-a8e3-44f2-9915-89f76c733b99/bin/utaipan-g80aRyZoba/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_108acfd6-a8e3-44f2-9915-89f76c733b99/bin/utaipan-g80aRyZoba Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e4d7ddac57159b9ffdb625c6e71ce7282574c20e8d076ceee5f26bffd815ae46 [2022-11-22 01:36:51,967 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-22 01:36:51,989 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-22 01:36:51,992 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-22 01:36:51,993 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-22 01:36:51,994 INFO L275 PluginConnector]: CDTParser initialized [2022-11-22 01:36:51,995 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_108acfd6-a8e3-44f2-9915-89f76c733b99/bin/utaipan-g80aRyZoba/../../sv-benchmarks/c/goblint-regression/09-regions_06-ptra_nr.i [2022-11-22 01:36:55,067 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-22 01:36:55,361 INFO L351 CDTParser]: Found 1 translation units. [2022-11-22 01:36:55,362 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_108acfd6-a8e3-44f2-9915-89f76c733b99/sv-benchmarks/c/goblint-regression/09-regions_06-ptra_nr.i [2022-11-22 01:36:55,389 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_108acfd6-a8e3-44f2-9915-89f76c733b99/bin/utaipan-g80aRyZoba/data/41675505e/213a12b633164afc822254b9448b35d2/FLAG8b2e1966c [2022-11-22 01:36:55,409 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_108acfd6-a8e3-44f2-9915-89f76c733b99/bin/utaipan-g80aRyZoba/data/41675505e/213a12b633164afc822254b9448b35d2 [2022-11-22 01:36:55,414 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-22 01:36:55,416 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-22 01:36:55,417 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-22 01:36:55,418 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-22 01:36:55,423 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-22 01:36:55,424 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 01:36:55" (1/1) ... [2022-11-22 01:36:55,425 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@409e6ce9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:36:55, skipping insertion in model container [2022-11-22 01:36:55,425 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 01:36:55" (1/1) ... [2022-11-22 01:36:55,432 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-22 01:36:55,480 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-22 01:36:56,063 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-22 01:36:56,083 INFO L203 MainTranslator]: Completed pre-run [2022-11-22 01:36:56,140 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-22 01:36:56,231 INFO L208 MainTranslator]: Completed translation [2022-11-22 01:36:56,232 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:36:56 WrapperNode [2022-11-22 01:36:56,232 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-22 01:36:56,234 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-22 01:36:56,234 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-22 01:36:56,234 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-22 01:36:56,242 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:36:56" (1/1) ... [2022-11-22 01:36:56,277 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:36:56" (1/1) ... [2022-11-22 01:36:56,337 INFO L138 Inliner]: procedures = 368, calls = 31, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 209 [2022-11-22 01:36:56,339 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-22 01:36:56,340 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-22 01:36:56,340 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-22 01:36:56,341 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-22 01:36:56,350 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:36:56" (1/1) ... [2022-11-22 01:36:56,351 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:36:56" (1/1) ... [2022-11-22 01:36:56,372 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:36:56" (1/1) ... [2022-11-22 01:36:56,380 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:36:56" (1/1) ... [2022-11-22 01:36:56,411 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:36:56" (1/1) ... [2022-11-22 01:36:56,413 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:36:56" (1/1) ... [2022-11-22 01:36:56,415 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:36:56" (1/1) ... [2022-11-22 01:36:56,416 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:36:56" (1/1) ... [2022-11-22 01:36:56,435 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-22 01:36:56,436 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-22 01:36:56,436 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-22 01:36:56,436 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-22 01:36:56,437 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:36:56" (1/1) ... [2022-11-22 01:36:56,443 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-22 01:36:56,455 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_108acfd6-a8e3-44f2-9915-89f76c733b99/bin/utaipan-g80aRyZoba/z3 [2022-11-22 01:36:56,468 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_108acfd6-a8e3-44f2-9915-89f76c733b99/bin/utaipan-g80aRyZoba/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-22 01:36:56,495 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_108acfd6-a8e3-44f2-9915-89f76c733b99/bin/utaipan-g80aRyZoba/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-22 01:36:56,510 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-22 01:36:56,510 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-22 01:36:56,510 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-22 01:36:56,510 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-22 01:36:56,511 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-22 01:36:56,511 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-11-22 01:36:56,511 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-22 01:36:56,511 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-22 01:36:56,511 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-22 01:36:56,512 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2022-11-22 01:36:56,512 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2022-11-22 01:36:56,512 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-22 01:36:56,512 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-22 01:36:56,512 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-22 01:36:56,514 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-22 01:36:56,734 INFO L235 CfgBuilder]: Building ICFG [2022-11-22 01:36:56,748 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-22 01:36:57,286 INFO L276 CfgBuilder]: Performing block encoding [2022-11-22 01:36:57,308 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-22 01:36:57,308 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-22 01:36:57,310 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 01:36:57 BoogieIcfgContainer [2022-11-22 01:36:57,310 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-22 01:36:57,313 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-22 01:36:57,313 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-22 01:36:57,316 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-22 01:36:57,316 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 01:36:55" (1/3) ... [2022-11-22 01:36:57,317 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@23ed5a60 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 01:36:57, skipping insertion in model container [2022-11-22 01:36:57,317 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:36:56" (2/3) ... [2022-11-22 01:36:57,317 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@23ed5a60 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 01:36:57, skipping insertion in model container [2022-11-22 01:36:57,317 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 01:36:57" (3/3) ... [2022-11-22 01:36:57,319 INFO L112 eAbstractionObserver]: Analyzing ICFG 09-regions_06-ptra_nr.i [2022-11-22 01:36:57,327 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-11-22 01:36:57,337 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-22 01:36:57,338 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 22 error locations. [2022-11-22 01:36:57,338 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-22 01:36:57,449 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-11-22 01:36:57,502 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-11-22 01:36:57,520 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 252 places, 248 transitions, 501 flow [2022-11-22 01:36:57,522 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 252 places, 248 transitions, 501 flow [2022-11-22 01:36:57,525 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 252 places, 248 transitions, 501 flow [2022-11-22 01:36:57,672 INFO L130 PetriNetUnfolder]: 0/247 cut-off events. [2022-11-22 01:36:57,673 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-11-22 01:36:57,676 INFO L83 FinitePrefix]: Finished finitePrefix Result has 251 conditions, 247 events. 0/247 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 93 event pairs, 0 based on Foata normal form. 0/225 useless extension candidates. Maximal degree in co-relation 0. Up to 1 conditions per place. [2022-11-22 01:36:57,680 INFO L119 LiptonReduction]: Number of co-enabled transitions 4828 [2022-11-22 01:37:51,253 WARN L233 SmtUtils]: Spent 13.31s on a formula simplification that was a NOOP. DAG size: 196 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-22 01:37:57,309 WARN L233 SmtUtils]: Spent 6.05s on a formula simplification that was a NOOP. DAG size: 160 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-22 01:38:09,288 WARN L233 SmtUtils]: Spent 11.98s on a formula simplification that was a NOOP. DAG size: 196 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-22 01:38:26,061 WARN L233 SmtUtils]: Spent 13.67s on a formula simplification that was a NOOP. DAG size: 298 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-22 01:38:34,479 WARN L233 SmtUtils]: Spent 8.41s on a formula simplification that was a NOOP. DAG size: 268 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-22 01:38:52,729 WARN L233 SmtUtils]: Spent 18.25s on a formula simplification that was a NOOP. DAG size: 298 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-22 01:39:01,317 WARN L233 SmtUtils]: Spent 8.58s on a formula simplification that was a NOOP. DAG size: 268 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-22 01:41:45,430 WARN L233 SmtUtils]: Spent 2.69m on a formula simplification. DAG size of input: 306 DAG size of output: 303 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-22 01:42:03,905 WARN L233 SmtUtils]: Spent 18.45s on a formula simplification that was a NOOP. DAG size: 295 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-22 01:44:25,605 WARN L233 SmtUtils]: Spent 2.36m on a formula simplification. DAG size of input: 306 DAG size of output: 303 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-22 01:45:03,940 WARN L233 SmtUtils]: Spent 38.33s on a formula simplification that was a NOOP. DAG size: 295 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-22 01:45:04,159 INFO L134 LiptonReduction]: Checked pairs total: 60902 [2022-11-22 01:45:04,159 INFO L136 LiptonReduction]: Total number of compositions: 266 [2022-11-22 01:45:04,166 INFO L113 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 76 places, 72 transitions, 149 flow [2022-11-22 01:45:04,222 INFO L135 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 768 states, 725 states have (on average 2.017931034482759) internal successors, (1463), 767 states have internal predecessors, (1463), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 01:45:04,243 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-22 01:45:04,248 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=FINITE_AUTOMATA, 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;@70533736, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-22 01:45:04,248 INFO L358 AbstractCegarLoop]: Starting to check reachability of 30 error locations. [2022-11-22 01:45:04,253 INFO L276 IsEmpty]: Start isEmpty. Operand has 768 states, 725 states have (on average 2.017931034482759) internal successors, (1463), 767 states have internal predecessors, (1463), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 01:45:04,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2 [2022-11-22 01:45:04,258 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:45:04,259 INFO L195 NwaCegarLoop]: trace histogram [1] [2022-11-22 01:45:04,259 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-11-22 01:45:04,264 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:45:04,264 INFO L85 PathProgramCache]: Analyzing trace with hash 837, now seen corresponding path program 1 times [2022-11-22 01:45:04,274 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:45:04,274 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1567732810] [2022-11-22 01:45:04,275 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:45:04,275 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:45:04,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:45:04,389 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-22 01:45:04,389 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:45:04,390 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1567732810] [2022-11-22 01:45:04,390 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1567732810] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 01:45:04,391 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 01:45:04,391 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [0] imperfect sequences [] total 0 [2022-11-22 01:45:04,392 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1399162849] [2022-11-22 01:45:04,393 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 01:45:04,397 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-22 01:45:04,398 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 01:45:04,419 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-22 01:45:04,420 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-22 01:45:04,423 INFO L87 Difference]: Start difference. First operand has 768 states, 725 states have (on average 2.017931034482759) internal successors, (1463), 767 states have internal predecessors, (1463), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 1 states have (on average 1.0) internal successors, (1), 1 states have internal predecessors, (1), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 01:45:04,855 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:45:04,855 INFO L93 Difference]: Finished difference Result 680 states and 1302 transitions. [2022-11-22 01:45:04,856 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-22 01:45:04,858 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 1 states have (on average 1.0) internal successors, (1), 1 states have internal predecessors, (1), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 1 [2022-11-22 01:45:04,858 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:45:04,872 INFO L225 Difference]: With dead ends: 680 [2022-11-22 01:45:04,873 INFO L226 Difference]: Without dead ends: 680 [2022-11-22 01:45:04,874 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-22 01:45:04,877 INFO L413 NwaCegarLoop]: 32 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 32 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-22 01:45:04,878 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 32 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-11-22 01:45:04,898 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 680 states. [2022-11-22 01:45:04,940 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 680 to 680. [2022-11-22 01:45:04,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 680 states, 663 states have (on average 1.9638009049773755) internal successors, (1302), 679 states have internal predecessors, (1302), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 01:45:04,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 680 states to 680 states and 1302 transitions. [2022-11-22 01:45:04,947 INFO L78 Accepts]: Start accepts. Automaton has 680 states and 1302 transitions. Word has length 1 [2022-11-22 01:45:04,947 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:45:04,948 INFO L495 AbstractCegarLoop]: Abstraction has 680 states and 1302 transitions. [2022-11-22 01:45:04,948 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 1 states have (on average 1.0) internal successors, (1), 1 states have internal predecessors, (1), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 01:45:04,948 INFO L276 IsEmpty]: Start isEmpty. Operand 680 states and 1302 transitions. [2022-11-22 01:45:04,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-11-22 01:45:04,949 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:45:04,949 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 01:45:04,949 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-22 01:45:04,950 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-11-22 01:45:04,950 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:45:04,950 INFO L85 PathProgramCache]: Analyzing trace with hash 736470335, now seen corresponding path program 1 times [2022-11-22 01:45:04,951 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:45:04,951 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2063782243] [2022-11-22 01:45:04,951 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:45:04,951 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:45:05,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:45:05,961 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-22 01:45:05,962 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:45:05,962 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2063782243] [2022-11-22 01:45:05,962 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2063782243] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 01:45:05,962 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 01:45:05,963 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-22 01:45:05,963 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [129544166] [2022-11-22 01:45:05,963 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 01:45:05,964 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-22 01:45:05,965 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 01:45:05,965 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-22 01:45:05,966 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-22 01:45:05,966 INFO L87 Difference]: Start difference. First operand 680 states and 1302 transitions. Second operand has 6 states, 5 states have (on average 1.8) internal successors, (9), 6 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 01:45:06,918 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:45:06,918 INFO L93 Difference]: Finished difference Result 737 states and 1412 transitions. [2022-11-22 01:45:06,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-22 01:45:06,919 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 1.8) internal successors, (9), 6 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9 [2022-11-22 01:45:06,919 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:45:06,923 INFO L225 Difference]: With dead ends: 737 [2022-11-22 01:45:06,923 INFO L226 Difference]: Without dead ends: 737 [2022-11-22 01:45:06,924 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-22 01:45:06,925 INFO L413 NwaCegarLoop]: 29 mSDtfsCounter, 36 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 222 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 36 SdHoareTripleChecker+Valid, 29 SdHoareTripleChecker+Invalid, 227 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 222 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-11-22 01:45:06,925 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [36 Valid, 29 Invalid, 227 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 222 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-11-22 01:45:06,928 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 737 states. [2022-11-22 01:45:06,947 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 737 to 737. [2022-11-22 01:45:06,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 737 states, 720 states have (on average 1.961111111111111) internal successors, (1412), 736 states have internal predecessors, (1412), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 01:45:06,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 737 states to 737 states and 1412 transitions. [2022-11-22 01:45:06,952 INFO L78 Accepts]: Start accepts. Automaton has 737 states and 1412 transitions. Word has length 9 [2022-11-22 01:45:06,952 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:45:06,952 INFO L495 AbstractCegarLoop]: Abstraction has 737 states and 1412 transitions. [2022-11-22 01:45:06,952 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 1.8) internal successors, (9), 6 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 01:45:06,953 INFO L276 IsEmpty]: Start isEmpty. Operand 737 states and 1412 transitions. [2022-11-22 01:45:06,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-11-22 01:45:06,953 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:45:06,953 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 01:45:06,954 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-22 01:45:06,954 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-11-22 01:45:06,955 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:45:06,955 INFO L85 PathProgramCache]: Analyzing trace with hash 1066477421, now seen corresponding path program 1 times [2022-11-22 01:45:06,955 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:45:06,955 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [868023325] [2022-11-22 01:45:06,955 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:45:06,956 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:45:06,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:45:07,403 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-22 01:45:07,404 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:45:07,404 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [868023325] [2022-11-22 01:45:07,404 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [868023325] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 01:45:07,404 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 01:45:07,405 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-22 01:45:07,405 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [893696526] [2022-11-22 01:45:07,405 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 01:45:07,405 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-22 01:45:07,406 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 01:45:07,406 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-22 01:45:07,406 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-22 01:45:07,407 INFO L87 Difference]: Start difference. First operand 737 states and 1412 transitions. Second operand has 6 states, 5 states have (on average 1.8) internal successors, (9), 6 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 01:45:08,666 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:45:08,666 INFO L93 Difference]: Finished difference Result 1270 states and 2420 transitions. [2022-11-22 01:45:08,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-22 01:45:08,667 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 1.8) internal successors, (9), 6 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9 [2022-11-22 01:45:08,667 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:45:08,673 INFO L225 Difference]: With dead ends: 1270 [2022-11-22 01:45:08,674 INFO L226 Difference]: Without dead ends: 1270 [2022-11-22 01:45:08,674 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-22 01:45:08,675 INFO L413 NwaCegarLoop]: 20 mSDtfsCounter, 105 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 412 mSolverCounterSat, 64 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 105 SdHoareTripleChecker+Valid, 20 SdHoareTripleChecker+Invalid, 476 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 64 IncrementalHoareTripleChecker+Valid, 412 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-11-22 01:45:08,676 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [105 Valid, 20 Invalid, 476 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [64 Valid, 412 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-11-22 01:45:08,679 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1270 states. [2022-11-22 01:45:08,698 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1270 to 842. [2022-11-22 01:45:08,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 842 states, 828 states have (on average 1.958937198067633) internal successors, (1622), 841 states have internal predecessors, (1622), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 01:45:08,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 842 states to 842 states and 1622 transitions. [2022-11-22 01:45:08,703 INFO L78 Accepts]: Start accepts. Automaton has 842 states and 1622 transitions. Word has length 9 [2022-11-22 01:45:08,704 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:45:08,704 INFO L495 AbstractCegarLoop]: Abstraction has 842 states and 1622 transitions. [2022-11-22 01:45:08,704 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 1.8) internal successors, (9), 6 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 01:45:08,704 INFO L276 IsEmpty]: Start isEmpty. Operand 842 states and 1622 transitions. [2022-11-22 01:45:08,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-11-22 01:45:08,705 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:45:08,706 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 01:45:08,706 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-22 01:45:08,706 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-11-22 01:45:08,706 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:45:08,707 INFO L85 PathProgramCache]: Analyzing trace with hash 1502681247, now seen corresponding path program 1 times [2022-11-22 01:45:08,707 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:45:08,707 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [603089095] [2022-11-22 01:45:08,707 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:45:08,708 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:45:08,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:45:09,950 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-22 01:45:09,950 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:45:09,951 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [603089095] [2022-11-22 01:45:09,951 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [603089095] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 01:45:09,951 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 01:45:09,951 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-22 01:45:09,951 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1202409229] [2022-11-22 01:45:09,951 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 01:45:09,952 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-11-22 01:45:09,952 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 01:45:09,952 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-11-22 01:45:09,952 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2022-11-22 01:45:09,953 INFO L87 Difference]: Start difference. First operand 842 states and 1622 transitions. Second operand has 10 states, 9 states have (on average 1.3333333333333333) internal successors, (12), 9 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 01:45:12,197 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:45:12,198 INFO L93 Difference]: Finished difference Result 840 states and 1618 transitions. [2022-11-22 01:45:12,198 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-22 01:45:12,198 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 1.3333333333333333) internal successors, (12), 9 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12 [2022-11-22 01:45:12,199 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:45:12,202 INFO L225 Difference]: With dead ends: 840 [2022-11-22 01:45:12,203 INFO L226 Difference]: Without dead ends: 840 [2022-11-22 01:45:12,203 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=75, Invalid=135, Unknown=0, NotChecked=0, Total=210 [2022-11-22 01:45:12,204 INFO L413 NwaCegarLoop]: 21 mSDtfsCounter, 203 mSDsluCounter, 15 mSDsCounter, 0 mSdLazyCounter, 632 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 203 SdHoareTripleChecker+Valid, 36 SdHoareTripleChecker+Invalid, 640 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 632 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2022-11-22 01:45:12,205 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [203 Valid, 36 Invalid, 640 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 632 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2022-11-22 01:45:12,207 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 840 states. [2022-11-22 01:45:12,221 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 840 to 837. [2022-11-22 01:45:12,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 837 states, 823 states have (on average 1.9586877278250303) internal successors, (1612), 836 states have internal predecessors, (1612), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 01:45:12,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 837 states to 837 states and 1612 transitions. [2022-11-22 01:45:12,227 INFO L78 Accepts]: Start accepts. Automaton has 837 states and 1612 transitions. Word has length 12 [2022-11-22 01:45:12,227 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:45:12,227 INFO L495 AbstractCegarLoop]: Abstraction has 837 states and 1612 transitions. [2022-11-22 01:45:12,228 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 1.3333333333333333) internal successors, (12), 9 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 01:45:12,228 INFO L276 IsEmpty]: Start isEmpty. Operand 837 states and 1612 transitions. [2022-11-22 01:45:12,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-11-22 01:45:12,229 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:45:12,229 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 01:45:12,229 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-22 01:45:12,230 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-11-22 01:45:12,230 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:45:12,230 INFO L85 PathProgramCache]: Analyzing trace with hash 1867165376, now seen corresponding path program 1 times [2022-11-22 01:45:12,231 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:45:12,231 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [250405299] [2022-11-22 01:45:12,231 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:45:12,231 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:45:12,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:45:12,940 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-22 01:45:12,940 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:45:12,940 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [250405299] [2022-11-22 01:45:12,941 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [250405299] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 01:45:12,941 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 01:45:12,941 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-22 01:45:12,941 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1487054342] [2022-11-22 01:45:12,941 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 01:45:12,941 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-11-22 01:45:12,942 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 01:45:12,942 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-11-22 01:45:12,942 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2022-11-22 01:45:12,942 INFO L87 Difference]: Start difference. First operand 837 states and 1612 transitions. Second operand has 10 states, 9 states have (on average 1.3333333333333333) internal successors, (12), 9 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 01:45:15,465 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:45:15,465 INFO L93 Difference]: Finished difference Result 1357 states and 2590 transitions. [2022-11-22 01:45:15,466 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-22 01:45:15,466 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 1.3333333333333333) internal successors, (12), 9 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12 [2022-11-22 01:45:15,466 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:45:15,471 INFO L225 Difference]: With dead ends: 1357 [2022-11-22 01:45:15,472 INFO L226 Difference]: Without dead ends: 1357 [2022-11-22 01:45:15,472 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=89, Invalid=183, Unknown=0, NotChecked=0, Total=272 [2022-11-22 01:45:15,473 INFO L413 NwaCegarLoop]: 6 mSDtfsCounter, 351 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 664 mSolverCounterSat, 94 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 351 SdHoareTripleChecker+Valid, 6 SdHoareTripleChecker+Invalid, 758 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 94 IncrementalHoareTripleChecker+Valid, 664 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2022-11-22 01:45:15,473 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [351 Valid, 6 Invalid, 758 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [94 Valid, 664 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2022-11-22 01:45:15,477 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1357 states. [2022-11-22 01:45:15,494 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1357 to 840. [2022-11-22 01:45:15,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 840 states, 826 states have (on average 1.9588377723970944) internal successors, (1618), 839 states have internal predecessors, (1618), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 01:45:15,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 840 states to 840 states and 1618 transitions. [2022-11-22 01:45:15,501 INFO L78 Accepts]: Start accepts. Automaton has 840 states and 1618 transitions. Word has length 12 [2022-11-22 01:45:15,502 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:45:15,502 INFO L495 AbstractCegarLoop]: Abstraction has 840 states and 1618 transitions. [2022-11-22 01:45:15,502 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 1.3333333333333333) internal successors, (12), 9 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 01:45:15,503 INFO L276 IsEmpty]: Start isEmpty. Operand 840 states and 1618 transitions. [2022-11-22 01:45:15,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-11-22 01:45:15,512 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:45:15,512 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 01:45:15,512 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-22 01:45:15,516 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-11-22 01:45:15,516 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:45:15,517 INFO L85 PathProgramCache]: Analyzing trace with hash 1861893206, now seen corresponding path program 2 times [2022-11-22 01:45:15,517 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:45:15,517 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1628010859] [2022-11-22 01:45:15,517 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:45:15,517 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:45:15,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:45:16,518 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-22 01:45:16,518 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:45:16,518 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1628010859] [2022-11-22 01:45:16,519 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1628010859] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 01:45:16,519 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 01:45:16,519 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-22 01:45:16,519 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1640446009] [2022-11-22 01:45:16,519 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 01:45:16,520 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-11-22 01:45:16,520 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 01:45:16,520 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-11-22 01:45:16,520 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2022-11-22 01:45:16,521 INFO L87 Difference]: Start difference. First operand 840 states and 1618 transitions. Second operand has 10 states, 9 states have (on average 1.3333333333333333) internal successors, (12), 9 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 01:45:19,589 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:45:19,589 INFO L93 Difference]: Finished difference Result 1527 states and 2917 transitions. [2022-11-22 01:45:19,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-22 01:45:19,590 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 1.3333333333333333) internal successors, (12), 9 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12 [2022-11-22 01:45:19,590 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:45:19,596 INFO L225 Difference]: With dead ends: 1527 [2022-11-22 01:45:19,596 INFO L226 Difference]: Without dead ends: 1527 [2022-11-22 01:45:19,596 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=87, Invalid=185, Unknown=0, NotChecked=0, Total=272 [2022-11-22 01:45:19,597 INFO L413 NwaCegarLoop]: 6 mSDtfsCounter, 230 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 805 mSolverCounterSat, 81 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 230 SdHoareTripleChecker+Valid, 6 SdHoareTripleChecker+Invalid, 886 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 81 IncrementalHoareTripleChecker+Valid, 805 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.9s IncrementalHoareTripleChecker+Time [2022-11-22 01:45:19,598 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [230 Valid, 6 Invalid, 886 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [81 Valid, 805 Invalid, 0 Unknown, 0 Unchecked, 2.9s Time] [2022-11-22 01:45:19,601 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1527 states. [2022-11-22 01:45:19,620 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1527 to 844. [2022-11-22 01:45:19,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 844 states, 830 states have (on average 1.9590361445783133) internal successors, (1626), 843 states have internal predecessors, (1626), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 01:45:19,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 844 states to 844 states and 1626 transitions. [2022-11-22 01:45:19,625 INFO L78 Accepts]: Start accepts. Automaton has 844 states and 1626 transitions. Word has length 12 [2022-11-22 01:45:19,626 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:45:19,626 INFO L495 AbstractCegarLoop]: Abstraction has 844 states and 1626 transitions. [2022-11-22 01:45:19,626 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 1.3333333333333333) internal successors, (12), 9 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 01:45:19,626 INFO L276 IsEmpty]: Start isEmpty. Operand 844 states and 1626 transitions. [2022-11-22 01:45:19,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-11-22 01:45:19,627 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:45:19,627 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 01:45:19,627 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-22 01:45:19,628 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-11-22 01:45:19,628 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:45:19,628 INFO L85 PathProgramCache]: Analyzing trace with hash -1622871496, now seen corresponding path program 3 times [2022-11-22 01:45:19,628 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:45:19,629 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [726814929] [2022-11-22 01:45:19,629 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:45:19,629 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:45:19,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:45:20,325 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-22 01:45:20,325 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:45:20,325 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [726814929] [2022-11-22 01:45:20,325 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [726814929] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 01:45:20,325 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 01:45:20,325 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-22 01:45:20,325 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [177701939] [2022-11-22 01:45:20,326 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 01:45:20,326 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-11-22 01:45:20,326 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 01:45:20,326 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-11-22 01:45:20,326 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2022-11-22 01:45:20,327 INFO L87 Difference]: Start difference. First operand 844 states and 1626 transitions. Second operand has 10 states, 9 states have (on average 1.3333333333333333) internal successors, (12), 9 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 01:45:22,794 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:45:22,794 INFO L93 Difference]: Finished difference Result 1365 states and 2606 transitions. [2022-11-22 01:45:22,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-11-22 01:45:22,796 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 1.3333333333333333) internal successors, (12), 9 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12 [2022-11-22 01:45:22,797 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:45:22,802 INFO L225 Difference]: With dead ends: 1365 [2022-11-22 01:45:22,803 INFO L226 Difference]: Without dead ends: 1365 [2022-11-22 01:45:22,803 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=87, Invalid=153, Unknown=0, NotChecked=0, Total=240 [2022-11-22 01:45:22,804 INFO L413 NwaCegarLoop]: 14 mSDtfsCounter, 262 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 792 mSolverCounterSat, 112 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 262 SdHoareTripleChecker+Valid, 14 SdHoareTripleChecker+Invalid, 904 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 112 IncrementalHoareTripleChecker+Valid, 792 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2022-11-22 01:45:22,804 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [262 Valid, 14 Invalid, 904 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [112 Valid, 792 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2022-11-22 01:45:22,807 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1365 states. [2022-11-22 01:45:22,823 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1365 to 847. [2022-11-22 01:45:22,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 847 states, 833 states have (on average 1.9591836734693877) internal successors, (1632), 846 states have internal predecessors, (1632), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 01:45:22,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 847 states to 847 states and 1632 transitions. [2022-11-22 01:45:22,829 INFO L78 Accepts]: Start accepts. Automaton has 847 states and 1632 transitions. Word has length 12 [2022-11-22 01:45:22,829 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:45:22,829 INFO L495 AbstractCegarLoop]: Abstraction has 847 states and 1632 transitions. [2022-11-22 01:45:22,829 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 1.3333333333333333) internal successors, (12), 9 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 01:45:22,829 INFO L276 IsEmpty]: Start isEmpty. Operand 847 states and 1632 transitions. [2022-11-22 01:45:22,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-11-22 01:45:22,830 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:45:22,830 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 01:45:22,830 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-22 01:45:22,831 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-11-22 01:45:22,831 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:45:22,831 INFO L85 PathProgramCache]: Analyzing trace with hash -1628143666, now seen corresponding path program 4 times [2022-11-22 01:45:22,832 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:45:22,832 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [555090655] [2022-11-22 01:45:22,832 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:45:22,832 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:45:22,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:45:23,519 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-22 01:45:23,520 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:45:23,520 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [555090655] [2022-11-22 01:45:23,520 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [555090655] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 01:45:23,520 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 01:45:23,520 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-22 01:45:23,520 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1781344207] [2022-11-22 01:45:23,520 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 01:45:23,520 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-11-22 01:45:23,521 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 01:45:23,521 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-11-22 01:45:23,521 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2022-11-22 01:45:23,521 INFO L87 Difference]: Start difference. First operand 847 states and 1632 transitions. Second operand has 10 states, 9 states have (on average 1.3333333333333333) internal successors, (12), 9 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 01:45:26,813 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:45:26,813 INFO L93 Difference]: Finished difference Result 1718 states and 3255 transitions. [2022-11-22 01:45:26,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-11-22 01:45:26,813 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 1.3333333333333333) internal successors, (12), 9 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12 [2022-11-22 01:45:26,814 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:45:26,821 INFO L225 Difference]: With dead ends: 1718 [2022-11-22 01:45:26,821 INFO L226 Difference]: Without dead ends: 1718 [2022-11-22 01:45:26,821 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 50 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=115, Invalid=265, Unknown=0, NotChecked=0, Total=380 [2022-11-22 01:45:26,822 INFO L413 NwaCegarLoop]: 14 mSDtfsCounter, 301 mSDsluCounter, 22 mSDsCounter, 0 mSdLazyCounter, 1273 mSolverCounterSat, 140 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 301 SdHoareTripleChecker+Valid, 36 SdHoareTripleChecker+Invalid, 1413 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 140 IncrementalHoareTripleChecker+Valid, 1273 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.1s IncrementalHoareTripleChecker+Time [2022-11-22 01:45:26,822 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [301 Valid, 36 Invalid, 1413 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [140 Valid, 1273 Invalid, 0 Unknown, 0 Unchecked, 3.1s Time] [2022-11-22 01:45:26,826 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1718 states. [2022-11-22 01:45:26,846 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1718 to 884. [2022-11-22 01:45:26,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 884 states, 870 states have (on average 1.9632183908045977) internal successors, (1708), 883 states have internal predecessors, (1708), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 01:45:26,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 884 states to 884 states and 1708 transitions. [2022-11-22 01:45:26,852 INFO L78 Accepts]: Start accepts. Automaton has 884 states and 1708 transitions. Word has length 12 [2022-11-22 01:45:26,852 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:45:26,852 INFO L495 AbstractCegarLoop]: Abstraction has 884 states and 1708 transitions. [2022-11-22 01:45:26,852 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 1.3333333333333333) internal successors, (12), 9 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 01:45:26,852 INFO L276 IsEmpty]: Start isEmpty. Operand 884 states and 1708 transitions. [2022-11-22 01:45:26,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-11-22 01:45:26,853 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:45:26,853 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 01:45:26,853 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-22 01:45:26,854 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-11-22 01:45:26,854 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:45:26,854 INFO L85 PathProgramCache]: Analyzing trace with hash -1911513736, now seen corresponding path program 5 times [2022-11-22 01:45:26,854 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:45:26,854 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1524750280] [2022-11-22 01:45:26,855 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:45:26,855 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:45:26,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:45:27,487 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-22 01:45:27,487 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:45:27,488 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1524750280] [2022-11-22 01:45:27,488 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1524750280] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 01:45:27,488 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 01:45:27,488 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-22 01:45:27,488 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1529542887] [2022-11-22 01:45:27,488 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 01:45:27,488 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-11-22 01:45:27,488 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 01:45:27,489 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-11-22 01:45:27,489 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2022-11-22 01:45:27,489 INFO L87 Difference]: Start difference. First operand 884 states and 1708 transitions. Second operand has 10 states, 9 states have (on average 1.3333333333333333) internal successors, (12), 9 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 01:45:30,573 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:45:30,573 INFO L93 Difference]: Finished difference Result 1647 states and 3115 transitions. [2022-11-22 01:45:30,574 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-11-22 01:45:30,574 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 1.3333333333333333) internal successors, (12), 9 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12 [2022-11-22 01:45:30,574 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:45:30,580 INFO L225 Difference]: With dead ends: 1647 [2022-11-22 01:45:30,580 INFO L226 Difference]: Without dead ends: 1647 [2022-11-22 01:45:30,581 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=101, Invalid=205, Unknown=0, NotChecked=0, Total=306 [2022-11-22 01:45:30,581 INFO L413 NwaCegarLoop]: 14 mSDtfsCounter, 338 mSDsluCounter, 22 mSDsCounter, 0 mSdLazyCounter, 1043 mSolverCounterSat, 190 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 338 SdHoareTripleChecker+Valid, 36 SdHoareTripleChecker+Invalid, 1233 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 190 IncrementalHoareTripleChecker+Valid, 1043 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.9s IncrementalHoareTripleChecker+Time [2022-11-22 01:45:30,582 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [338 Valid, 36 Invalid, 1233 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [190 Valid, 1043 Invalid, 0 Unknown, 0 Unchecked, 2.9s Time] [2022-11-22 01:45:30,585 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1647 states. [2022-11-22 01:45:30,606 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1647 to 886. [2022-11-22 01:45:30,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 886 states, 872 states have (on average 1.963302752293578) internal successors, (1712), 885 states have internal predecessors, (1712), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 01:45:30,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 886 states to 886 states and 1712 transitions. [2022-11-22 01:45:30,611 INFO L78 Accepts]: Start accepts. Automaton has 886 states and 1712 transitions. Word has length 12 [2022-11-22 01:45:30,611 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:45:30,611 INFO L495 AbstractCegarLoop]: Abstraction has 886 states and 1712 transitions. [2022-11-22 01:45:30,612 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 1.3333333333333333) internal successors, (12), 9 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 01:45:30,612 INFO L276 IsEmpty]: Start isEmpty. Operand 886 states and 1712 transitions. [2022-11-22 01:45:30,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-11-22 01:45:30,612 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:45:30,612 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 01:45:30,613 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-11-22 01:45:30,613 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-11-22 01:45:30,613 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:45:30,613 INFO L85 PathProgramCache]: Analyzing trace with hash -1899837586, now seen corresponding path program 6 times [2022-11-22 01:45:30,614 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:45:30,614 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1861448523] [2022-11-22 01:45:30,614 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:45:30,614 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:45:30,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:45:31,309 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-22 01:45:31,309 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:45:31,309 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1861448523] [2022-11-22 01:45:31,309 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1861448523] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 01:45:31,310 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 01:45:31,310 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-22 01:45:31,310 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [629930851] [2022-11-22 01:45:31,310 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 01:45:31,310 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-11-22 01:45:31,310 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 01:45:31,311 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-11-22 01:45:31,311 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2022-11-22 01:45:31,311 INFO L87 Difference]: Start difference. First operand 886 states and 1712 transitions. Second operand has 10 states, 9 states have (on average 1.3333333333333333) internal successors, (12), 9 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 01:45:34,743 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:45:34,743 INFO L93 Difference]: Finished difference Result 1699 states and 3219 transitions. [2022-11-22 01:45:34,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-11-22 01:45:34,744 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 1.3333333333333333) internal successors, (12), 9 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12 [2022-11-22 01:45:34,744 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:45:34,751 INFO L225 Difference]: With dead ends: 1699 [2022-11-22 01:45:34,752 INFO L226 Difference]: Without dead ends: 1699 [2022-11-22 01:45:34,752 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=119, Invalid=261, Unknown=0, NotChecked=0, Total=380 [2022-11-22 01:45:34,753 INFO L413 NwaCegarLoop]: 14 mSDtfsCounter, 309 mSDsluCounter, 22 mSDsCounter, 0 mSdLazyCounter, 1275 mSolverCounterSat, 167 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 309 SdHoareTripleChecker+Valid, 36 SdHoareTripleChecker+Invalid, 1442 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 167 IncrementalHoareTripleChecker+Valid, 1275 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.2s IncrementalHoareTripleChecker+Time [2022-11-22 01:45:34,753 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [309 Valid, 36 Invalid, 1442 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [167 Valid, 1275 Invalid, 0 Unknown, 0 Unchecked, 3.2s Time] [2022-11-22 01:45:34,757 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1699 states. [2022-11-22 01:45:34,779 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1699 to 886. [2022-11-22 01:45:34,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 886 states, 872 states have (on average 1.963302752293578) internal successors, (1712), 885 states have internal predecessors, (1712), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 01:45:34,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 886 states to 886 states and 1712 transitions. [2022-11-22 01:45:34,786 INFO L78 Accepts]: Start accepts. Automaton has 886 states and 1712 transitions. Word has length 12 [2022-11-22 01:45:34,786 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:45:34,786 INFO L495 AbstractCegarLoop]: Abstraction has 886 states and 1712 transitions. [2022-11-22 01:45:34,786 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 1.3333333333333333) internal successors, (12), 9 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 01:45:34,786 INFO L276 IsEmpty]: Start isEmpty. Operand 886 states and 1712 transitions. [2022-11-22 01:45:34,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-11-22 01:45:34,787 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:45:34,787 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 01:45:34,788 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-11-22 01:45:34,788 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-11-22 01:45:34,788 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:45:34,789 INFO L85 PathProgramCache]: Analyzing trace with hash -792891888, now seen corresponding path program 7 times [2022-11-22 01:45:34,789 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:45:34,789 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [633332479] [2022-11-22 01:45:34,789 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:45:34,790 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:45:34,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:45:35,422 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-22 01:45:35,422 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:45:35,422 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [633332479] [2022-11-22 01:45:35,422 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [633332479] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 01:45:35,422 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 01:45:35,423 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-22 01:45:35,423 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1519396176] [2022-11-22 01:45:35,423 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 01:45:35,423 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-11-22 01:45:35,423 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 01:45:35,424 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-11-22 01:45:35,424 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2022-11-22 01:45:35,424 INFO L87 Difference]: Start difference. First operand 886 states and 1712 transitions. Second operand has 10 states, 9 states have (on average 1.3333333333333333) internal successors, (12), 9 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 01:45:38,199 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:45:38,199 INFO L93 Difference]: Finished difference Result 1746 states and 3313 transitions. [2022-11-22 01:45:38,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-11-22 01:45:38,200 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 1.3333333333333333) internal successors, (12), 9 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12 [2022-11-22 01:45:38,200 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:45:38,205 INFO L225 Difference]: With dead ends: 1746 [2022-11-22 01:45:38,206 INFO L226 Difference]: Without dead ends: 1746 [2022-11-22 01:45:38,206 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 99 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=170, Invalid=382, Unknown=0, NotChecked=0, Total=552 [2022-11-22 01:45:38,207 INFO L413 NwaCegarLoop]: 14 mSDtfsCounter, 317 mSDsluCounter, 22 mSDsCounter, 0 mSdLazyCounter, 1124 mSolverCounterSat, 193 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 317 SdHoareTripleChecker+Valid, 36 SdHoareTripleChecker+Invalid, 1317 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 193 IncrementalHoareTripleChecker+Valid, 1124 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2022-11-22 01:45:38,207 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [317 Valid, 36 Invalid, 1317 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [193 Valid, 1124 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2022-11-22 01:45:38,211 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1746 states. [2022-11-22 01:45:38,231 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1746 to 900. [2022-11-22 01:45:38,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 900 states, 886 states have (on average 1.9650112866817155) internal successors, (1741), 899 states have internal predecessors, (1741), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 01:45:38,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 900 states to 900 states and 1741 transitions. [2022-11-22 01:45:38,236 INFO L78 Accepts]: Start accepts. Automaton has 900 states and 1741 transitions. Word has length 12 [2022-11-22 01:45:38,236 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:45:38,236 INFO L495 AbstractCegarLoop]: Abstraction has 900 states and 1741 transitions. [2022-11-22 01:45:38,236 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 1.3333333333333333) internal successors, (12), 9 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 01:45:38,236 INFO L276 IsEmpty]: Start isEmpty. Operand 900 states and 1741 transitions. [2022-11-22 01:45:38,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-11-22 01:45:38,237 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:45:38,237 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 01:45:38,237 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-11-22 01:45:38,238 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-11-22 01:45:38,238 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:45:38,238 INFO L85 PathProgramCache]: Analyzing trace with hash 1568498646, now seen corresponding path program 8 times [2022-11-22 01:45:38,238 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:45:38,239 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1823224293] [2022-11-22 01:45:38,239 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:45:38,239 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:45:38,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:45:38,977 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-22 01:45:38,978 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:45:38,978 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1823224293] [2022-11-22 01:45:38,978 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1823224293] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 01:45:38,978 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 01:45:38,978 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-22 01:45:38,978 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [897193632] [2022-11-22 01:45:38,978 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 01:45:38,979 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-11-22 01:45:38,979 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 01:45:38,979 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-11-22 01:45:38,979 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2022-11-22 01:45:38,980 INFO L87 Difference]: Start difference. First operand 900 states and 1741 transitions. Second operand has 10 states, 9 states have (on average 1.3333333333333333) internal successors, (12), 9 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 01:45:41,851 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:45:41,851 INFO L93 Difference]: Finished difference Result 1628 states and 3118 transitions. [2022-11-22 01:45:41,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-11-22 01:45:41,852 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 1.3333333333333333) internal successors, (12), 9 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12 [2022-11-22 01:45:41,852 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:45:41,857 INFO L225 Difference]: With dead ends: 1628 [2022-11-22 01:45:41,857 INFO L226 Difference]: Without dead ends: 1628 [2022-11-22 01:45:41,858 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=56, Invalid=100, Unknown=0, NotChecked=0, Total=156 [2022-11-22 01:45:41,858 INFO L413 NwaCegarLoop]: 14 mSDtfsCounter, 210 mSDsluCounter, 9 mSDsCounter, 0 mSdLazyCounter, 1086 mSolverCounterSat, 151 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 210 SdHoareTripleChecker+Valid, 23 SdHoareTripleChecker+Invalid, 1237 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 151 IncrementalHoareTripleChecker+Valid, 1086 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2022-11-22 01:45:41,858 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [210 Valid, 23 Invalid, 1237 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [151 Valid, 1086 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2022-11-22 01:45:41,862 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1628 states. [2022-11-22 01:45:41,881 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1628 to 900. [2022-11-22 01:45:41,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 900 states, 886 states have (on average 1.9650112866817155) internal successors, (1741), 899 states have internal predecessors, (1741), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 01:45:41,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 900 states to 900 states and 1741 transitions. [2022-11-22 01:45:41,886 INFO L78 Accepts]: Start accepts. Automaton has 900 states and 1741 transitions. Word has length 12 [2022-11-22 01:45:41,886 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:45:41,887 INFO L495 AbstractCegarLoop]: Abstraction has 900 states and 1741 transitions. [2022-11-22 01:45:41,887 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 1.3333333333333333) internal successors, (12), 9 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 01:45:41,887 INFO L276 IsEmpty]: Start isEmpty. Operand 900 states and 1741 transitions. [2022-11-22 01:45:41,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-11-22 01:45:41,888 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:45:41,888 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 01:45:41,888 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-11-22 01:45:41,888 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-11-22 01:45:41,888 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:45:41,889 INFO L85 PathProgramCache]: Analyzing trace with hash 1931353026, now seen corresponding path program 9 times [2022-11-22 01:45:41,889 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:45:41,889 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1127387788] [2022-11-22 01:45:41,889 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:45:41,889 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:45:41,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:45:42,512 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-22 01:45:42,512 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:45:42,512 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1127387788] [2022-11-22 01:45:42,512 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1127387788] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 01:45:42,512 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 01:45:42,512 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-22 01:45:42,513 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1849736685] [2022-11-22 01:45:42,513 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 01:45:42,513 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-11-22 01:45:42,513 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 01:45:42,513 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-11-22 01:45:42,514 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2022-11-22 01:45:42,514 INFO L87 Difference]: Start difference. First operand 900 states and 1741 transitions. Second operand has 10 states, 9 states have (on average 1.3333333333333333) internal successors, (12), 9 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 01:45:45,880 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:45:45,881 INFO L93 Difference]: Finished difference Result 1659 states and 3179 transitions. [2022-11-22 01:45:45,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-11-22 01:45:45,881 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 1.3333333333333333) internal successors, (12), 9 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12 [2022-11-22 01:45:45,882 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:45:45,887 INFO L225 Difference]: With dead ends: 1659 [2022-11-22 01:45:45,888 INFO L226 Difference]: Without dead ends: 1659 [2022-11-22 01:45:45,888 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=71, Invalid=139, Unknown=0, NotChecked=0, Total=210 [2022-11-22 01:45:45,889 INFO L413 NwaCegarLoop]: 14 mSDtfsCounter, 199 mSDsluCounter, 9 mSDsCounter, 0 mSdLazyCounter, 1347 mSolverCounterSat, 147 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 199 SdHoareTripleChecker+Valid, 23 SdHoareTripleChecker+Invalid, 1494 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 147 IncrementalHoareTripleChecker+Valid, 1347 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.3s IncrementalHoareTripleChecker+Time [2022-11-22 01:45:45,889 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [199 Valid, 23 Invalid, 1494 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [147 Valid, 1347 Invalid, 0 Unknown, 0 Unchecked, 3.3s Time] [2022-11-22 01:45:45,892 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1659 states. [2022-11-22 01:45:45,913 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1659 to 901. [2022-11-22 01:45:45,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 901 states, 887 states have (on average 1.9650507328072153) internal successors, (1743), 900 states have internal predecessors, (1743), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 01:45:45,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 901 states to 901 states and 1743 transitions. [2022-11-22 01:45:45,918 INFO L78 Accepts]: Start accepts. Automaton has 901 states and 1743 transitions. Word has length 12 [2022-11-22 01:45:45,919 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:45:45,919 INFO L495 AbstractCegarLoop]: Abstraction has 901 states and 1743 transitions. [2022-11-22 01:45:45,919 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 1.3333333333333333) internal successors, (12), 9 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 01:45:45,919 INFO L276 IsEmpty]: Start isEmpty. Operand 901 states and 1743 transitions. [2022-11-22 01:45:45,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-11-22 01:45:45,920 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:45:45,920 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 01:45:45,920 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-11-22 01:45:45,921 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-11-22 01:45:45,921 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:45:45,921 INFO L85 PathProgramCache]: Analyzing trace with hash 1943029176, now seen corresponding path program 10 times [2022-11-22 01:45:45,921 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:45:45,922 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [417858395] [2022-11-22 01:45:45,922 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:45:45,922 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:45:45,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:45:46,573 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-22 01:45:46,573 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:45:46,573 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [417858395] [2022-11-22 01:45:46,573 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [417858395] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 01:45:46,573 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 01:45:46,573 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-22 01:45:46,573 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [334486387] [2022-11-22 01:45:46,574 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 01:45:46,574 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-11-22 01:45:46,574 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 01:45:46,574 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-11-22 01:45:46,574 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2022-11-22 01:45:46,574 INFO L87 Difference]: Start difference. First operand 901 states and 1743 transitions. Second operand has 10 states, 9 states have (on average 1.3333333333333333) internal successors, (12), 9 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 01:45:49,729 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:45:49,729 INFO L93 Difference]: Finished difference Result 1681 states and 3224 transitions. [2022-11-22 01:45:49,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-11-22 01:45:49,730 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 1.3333333333333333) internal successors, (12), 9 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12 [2022-11-22 01:45:49,730 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:45:49,735 INFO L225 Difference]: With dead ends: 1681 [2022-11-22 01:45:49,736 INFO L226 Difference]: Without dead ends: 1681 [2022-11-22 01:45:49,736 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=86, Invalid=186, Unknown=0, NotChecked=0, Total=272 [2022-11-22 01:45:49,737 INFO L413 NwaCegarLoop]: 14 mSDtfsCounter, 232 mSDsluCounter, 9 mSDsCounter, 0 mSdLazyCounter, 1215 mSolverCounterSat, 175 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 232 SdHoareTripleChecker+Valid, 23 SdHoareTripleChecker+Invalid, 1390 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 175 IncrementalHoareTripleChecker+Valid, 1215 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.0s IncrementalHoareTripleChecker+Time [2022-11-22 01:45:49,737 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [232 Valid, 23 Invalid, 1390 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [175 Valid, 1215 Invalid, 0 Unknown, 0 Unchecked, 3.0s Time] [2022-11-22 01:45:49,740 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1681 states. [2022-11-22 01:45:49,760 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1681 to 900. [2022-11-22 01:45:49,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 900 states, 886 states have (on average 1.9650112866817155) internal successors, (1741), 899 states have internal predecessors, (1741), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 01:45:49,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 900 states to 900 states and 1741 transitions. [2022-11-22 01:45:49,765 INFO L78 Accepts]: Start accepts. Automaton has 900 states and 1741 transitions. Word has length 12 [2022-11-22 01:45:49,765 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:45:49,765 INFO L495 AbstractCegarLoop]: Abstraction has 900 states and 1741 transitions. [2022-11-22 01:45:49,765 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 1.3333333333333333) internal successors, (12), 9 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 01:45:49,766 INFO L276 IsEmpty]: Start isEmpty. Operand 900 states and 1741 transitions. [2022-11-22 01:45:49,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-11-22 01:45:49,766 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:45:49,766 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 01:45:49,767 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-11-22 01:45:49,767 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-11-22 01:45:49,767 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:45:49,767 INFO L85 PathProgramCache]: Analyzing trace with hash 2080277824, now seen corresponding path program 11 times [2022-11-22 01:45:49,767 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:45:49,768 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [844360009] [2022-11-22 01:45:49,768 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:45:49,768 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:45:49,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:45:50,300 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-22 01:45:50,300 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:45:50,300 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [844360009] [2022-11-22 01:45:50,300 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [844360009] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 01:45:50,301 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 01:45:50,301 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-22 01:45:50,301 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1785014700] [2022-11-22 01:45:50,301 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 01:45:50,301 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-11-22 01:45:50,301 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 01:45:50,302 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-11-22 01:45:50,302 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2022-11-22 01:45:50,302 INFO L87 Difference]: Start difference. First operand 900 states and 1741 transitions. Second operand has 10 states, 9 states have (on average 1.3333333333333333) internal successors, (12), 9 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 01:45:53,756 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:45:53,756 INFO L93 Difference]: Finished difference Result 1737 states and 3329 transitions. [2022-11-22 01:45:53,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-11-22 01:45:53,757 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 1.3333333333333333) internal successors, (12), 9 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12 [2022-11-22 01:45:53,757 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:45:53,764 INFO L225 Difference]: With dead ends: 1737 [2022-11-22 01:45:53,765 INFO L226 Difference]: Without dead ends: 1737 [2022-11-22 01:45:53,765 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=128, Invalid=252, Unknown=0, NotChecked=0, Total=380 [2022-11-22 01:45:53,772 INFO L413 NwaCegarLoop]: 14 mSDtfsCounter, 204 mSDsluCounter, 9 mSDsCounter, 0 mSdLazyCounter, 1460 mSolverCounterSat, 180 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 204 SdHoareTripleChecker+Valid, 23 SdHoareTripleChecker+Invalid, 1640 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 180 IncrementalHoareTripleChecker+Valid, 1460 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.3s IncrementalHoareTripleChecker+Time [2022-11-22 01:45:53,772 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [204 Valid, 23 Invalid, 1640 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [180 Valid, 1460 Invalid, 0 Unknown, 0 Unchecked, 3.3s Time] [2022-11-22 01:45:53,775 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1737 states. [2022-11-22 01:45:53,795 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1737 to 900. [2022-11-22 01:45:53,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 900 states, 886 states have (on average 1.9650112866817155) internal successors, (1741), 899 states have internal predecessors, (1741), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 01:45:53,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 900 states to 900 states and 1741 transitions. [2022-11-22 01:45:53,801 INFO L78 Accepts]: Start accepts. Automaton has 900 states and 1741 transitions. Word has length 12 [2022-11-22 01:45:53,801 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:45:53,801 INFO L495 AbstractCegarLoop]: Abstraction has 900 states and 1741 transitions. [2022-11-22 01:45:53,801 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 1.3333333333333333) internal successors, (12), 9 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 01:45:53,801 INFO L276 IsEmpty]: Start isEmpty. Operand 900 states and 1741 transitions. [2022-11-22 01:45:53,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-11-22 01:45:53,802 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:45:53,802 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 01:45:53,802 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-11-22 01:45:53,802 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-11-22 01:45:53,803 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:45:53,803 INFO L85 PathProgramCache]: Analyzing trace with hash -1396250870, now seen corresponding path program 12 times [2022-11-22 01:45:53,803 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:45:53,803 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1990684895] [2022-11-22 01:45:53,803 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:45:53,804 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:45:53,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:45:54,337 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-22 01:45:54,337 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:45:54,337 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1990684895] [2022-11-22 01:45:54,339 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1990684895] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 01:45:54,339 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 01:45:54,340 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-22 01:45:54,340 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [768183040] [2022-11-22 01:45:54,340 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 01:45:54,340 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-11-22 01:45:54,341 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 01:45:54,341 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-11-22 01:45:54,341 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2022-11-22 01:45:54,341 INFO L87 Difference]: Start difference. First operand 900 states and 1741 transitions. Second operand has 10 states, 9 states have (on average 1.3333333333333333) internal successors, (12), 9 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 01:45:57,059 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:45:57,059 INFO L93 Difference]: Finished difference Result 1765 states and 3384 transitions. [2022-11-22 01:45:57,060 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-11-22 01:45:57,060 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 1.3333333333333333) internal successors, (12), 9 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12 [2022-11-22 01:45:57,060 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:45:57,065 INFO L225 Difference]: With dead ends: 1765 [2022-11-22 01:45:57,066 INFO L226 Difference]: Without dead ends: 1765 [2022-11-22 01:45:57,066 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=150, Invalid=312, Unknown=0, NotChecked=0, Total=462 [2022-11-22 01:45:57,067 INFO L413 NwaCegarLoop]: 14 mSDtfsCounter, 222 mSDsluCounter, 9 mSDsCounter, 0 mSdLazyCounter, 1253 mSolverCounterSat, 191 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 222 SdHoareTripleChecker+Valid, 23 SdHoareTripleChecker+Invalid, 1444 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 191 IncrementalHoareTripleChecker+Valid, 1253 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2022-11-22 01:45:57,067 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [222 Valid, 23 Invalid, 1444 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [191 Valid, 1253 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2022-11-22 01:45:57,071 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1765 states. [2022-11-22 01:45:57,091 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1765 to 897. [2022-11-22 01:45:57,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 897 states, 883 states have (on average 1.9648924122310305) internal successors, (1735), 896 states have internal predecessors, (1735), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 01:45:57,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 897 states to 897 states and 1735 transitions. [2022-11-22 01:45:57,096 INFO L78 Accepts]: Start accepts. Automaton has 897 states and 1735 transitions. Word has length 12 [2022-11-22 01:45:57,096 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:45:57,096 INFO L495 AbstractCegarLoop]: Abstraction has 897 states and 1735 transitions. [2022-11-22 01:45:57,096 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 1.3333333333333333) internal successors, (12), 9 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 01:45:57,096 INFO L276 IsEmpty]: Start isEmpty. Operand 897 states and 1735 transitions. [2022-11-22 01:45:57,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-11-22 01:45:57,097 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:45:57,097 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 01:45:57,097 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-11-22 01:45:57,098 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-11-22 01:45:57,098 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:45:57,098 INFO L85 PathProgramCache]: Analyzing trace with hash -566271262, now seen corresponding path program 13 times [2022-11-22 01:45:57,098 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:45:57,099 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1060497676] [2022-11-22 01:45:57,099 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:45:57,099 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:45:57,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:45:57,647 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-22 01:45:57,648 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:45:57,648 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1060497676] [2022-11-22 01:45:57,648 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1060497676] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 01:45:57,648 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 01:45:57,648 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-22 01:45:57,648 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [559326482] [2022-11-22 01:45:57,649 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 01:45:57,649 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-11-22 01:45:57,649 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 01:45:57,649 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-11-22 01:45:57,650 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2022-11-22 01:45:57,650 INFO L87 Difference]: Start difference. First operand 897 states and 1735 transitions. Second operand has 10 states, 9 states have (on average 1.3333333333333333) internal successors, (12), 9 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 01:46:01,254 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:46:01,255 INFO L93 Difference]: Finished difference Result 1764 states and 3383 transitions. [2022-11-22 01:46:01,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-11-22 01:46:01,255 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 1.3333333333333333) internal successors, (12), 9 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12 [2022-11-22 01:46:01,255 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:46:01,261 INFO L225 Difference]: With dead ends: 1764 [2022-11-22 01:46:01,262 INFO L226 Difference]: Without dead ends: 1764 [2022-11-22 01:46:01,263 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 69 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=155, Invalid=351, Unknown=0, NotChecked=0, Total=506 [2022-11-22 01:46:01,264 INFO L413 NwaCegarLoop]: 14 mSDtfsCounter, 239 mSDsluCounter, 9 mSDsCounter, 0 mSdLazyCounter, 1469 mSolverCounterSat, 196 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 239 SdHoareTripleChecker+Valid, 23 SdHoareTripleChecker+Invalid, 1665 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 196 IncrementalHoareTripleChecker+Valid, 1469 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.4s IncrementalHoareTripleChecker+Time [2022-11-22 01:46:01,264 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [239 Valid, 23 Invalid, 1665 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [196 Valid, 1469 Invalid, 0 Unknown, 0 Unchecked, 3.4s Time] [2022-11-22 01:46:01,268 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1764 states. [2022-11-22 01:46:01,286 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1764 to 883. [2022-11-22 01:46:01,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 883 states, 869 states have (on average 1.9643268124280782) internal successors, (1707), 882 states have internal predecessors, (1707), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 01:46:01,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 883 states to 883 states and 1707 transitions. [2022-11-22 01:46:01,291 INFO L78 Accepts]: Start accepts. Automaton has 883 states and 1707 transitions. Word has length 12 [2022-11-22 01:46:01,291 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:46:01,291 INFO L495 AbstractCegarLoop]: Abstraction has 883 states and 1707 transitions. [2022-11-22 01:46:01,292 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 1.3333333333333333) internal successors, (12), 9 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 01:46:01,292 INFO L276 IsEmpty]: Start isEmpty. Operand 883 states and 1707 transitions. [2022-11-22 01:46:01,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-11-22 01:46:01,292 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:46:01,292 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 01:46:01,293 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-11-22 01:46:01,293 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-11-22 01:46:01,293 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:46:01,293 INFO L85 PathProgramCache]: Analyzing trace with hash -661524677, now seen corresponding path program 1 times [2022-11-22 01:46:01,294 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:46:01,294 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1389653882] [2022-11-22 01:46:01,294 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:46:01,294 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:46:01,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:46:02,360 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-22 01:46:02,360 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:46:02,360 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1389653882] [2022-11-22 01:46:02,360 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1389653882] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 01:46:02,360 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 01:46:02,361 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-22 01:46:02,361 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [527641032] [2022-11-22 01:46:02,361 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 01:46:02,361 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-11-22 01:46:02,361 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 01:46:02,361 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-11-22 01:46:02,362 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2022-11-22 01:46:02,362 INFO L87 Difference]: Start difference. First operand 883 states and 1707 transitions. Second operand has 10 states, 9 states have (on average 1.4444444444444444) internal successors, (13), 9 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 01:46:04,649 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:46:04,649 INFO L93 Difference]: Finished difference Result 881 states and 1702 transitions. [2022-11-22 01:46:04,649 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-22 01:46:04,649 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 1.4444444444444444) internal successors, (13), 9 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 13 [2022-11-22 01:46:04,650 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:46:04,652 INFO L225 Difference]: With dead ends: 881 [2022-11-22 01:46:04,652 INFO L226 Difference]: Without dead ends: 881 [2022-11-22 01:46:04,652 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=75, Invalid=135, Unknown=0, NotChecked=0, Total=210 [2022-11-22 01:46:04,653 INFO L413 NwaCegarLoop]: 21 mSDtfsCounter, 168 mSDsluCounter, 15 mSDsCounter, 0 mSdLazyCounter, 522 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 168 SdHoareTripleChecker+Valid, 36 SdHoareTripleChecker+Invalid, 535 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 522 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2022-11-22 01:46:04,653 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [168 Valid, 36 Invalid, 535 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 522 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2022-11-22 01:46:04,655 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 881 states. [2022-11-22 01:46:04,667 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 881 to 873. [2022-11-22 01:46:04,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 873 states, 859 states have (on average 1.9627473806752038) internal successors, (1686), 872 states have internal predecessors, (1686), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 01:46:04,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 873 states to 873 states and 1686 transitions. [2022-11-22 01:46:04,672 INFO L78 Accepts]: Start accepts. Automaton has 873 states and 1686 transitions. Word has length 13 [2022-11-22 01:46:04,672 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:46:04,672 INFO L495 AbstractCegarLoop]: Abstraction has 873 states and 1686 transitions. [2022-11-22 01:46:04,672 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 1.4444444444444444) internal successors, (13), 9 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 01:46:04,672 INFO L276 IsEmpty]: Start isEmpty. Operand 873 states and 1686 transitions. [2022-11-22 01:46:04,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-11-22 01:46:04,673 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:46:04,673 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 01:46:04,673 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-11-22 01:46:04,674 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-11-22 01:46:04,674 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:46:04,674 INFO L85 PathProgramCache]: Analyzing trace with hash 110949239, now seen corresponding path program 1 times [2022-11-22 01:46:04,674 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:46:04,674 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [129970106] [2022-11-22 01:46:04,675 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:46:04,675 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:46:04,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:46:05,298 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-22 01:46:05,298 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:46:05,298 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [129970106] [2022-11-22 01:46:05,298 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [129970106] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 01:46:05,298 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 01:46:05,298 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-22 01:46:05,298 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1943786476] [2022-11-22 01:46:05,298 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 01:46:05,299 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-11-22 01:46:05,299 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 01:46:05,299 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-11-22 01:46:05,299 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2022-11-22 01:46:05,299 INFO L87 Difference]: Start difference. First operand 873 states and 1686 transitions. Second operand has 10 states, 9 states have (on average 1.4444444444444444) internal successors, (13), 9 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 01:46:09,086 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:46:09,086 INFO L93 Difference]: Finished difference Result 1352 states and 2583 transitions. [2022-11-22 01:46:09,087 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-22 01:46:09,087 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 1.4444444444444444) internal successors, (13), 9 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 13 [2022-11-22 01:46:09,087 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:46:09,090 INFO L225 Difference]: With dead ends: 1352 [2022-11-22 01:46:09,090 INFO L226 Difference]: Without dead ends: 1352 [2022-11-22 01:46:09,091 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=89, Invalid=183, Unknown=0, NotChecked=0, Total=272 [2022-11-22 01:46:09,091 INFO L413 NwaCegarLoop]: 6 mSDtfsCounter, 218 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1001 mSolverCounterSat, 60 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 218 SdHoareTripleChecker+Valid, 6 SdHoareTripleChecker+Invalid, 1061 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 60 IncrementalHoareTripleChecker+Valid, 1001 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.6s IncrementalHoareTripleChecker+Time [2022-11-22 01:46:09,092 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [218 Valid, 6 Invalid, 1061 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [60 Valid, 1001 Invalid, 0 Unknown, 0 Unchecked, 3.6s Time] [2022-11-22 01:46:09,094 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1352 states. [2022-11-22 01:46:09,110 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1352 to 873. [2022-11-22 01:46:09,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 873 states, 859 states have (on average 1.9627473806752038) internal successors, (1686), 872 states have internal predecessors, (1686), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 01:46:09,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 873 states to 873 states and 1686 transitions. [2022-11-22 01:46:09,114 INFO L78 Accepts]: Start accepts. Automaton has 873 states and 1686 transitions. Word has length 13 [2022-11-22 01:46:09,115 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:46:09,115 INFO L495 AbstractCegarLoop]: Abstraction has 873 states and 1686 transitions. [2022-11-22 01:46:09,115 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 1.4444444444444444) internal successors, (13), 9 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 01:46:09,115 INFO L276 IsEmpty]: Start isEmpty. Operand 873 states and 1686 transitions. [2022-11-22 01:46:09,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-11-22 01:46:09,116 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:46:09,116 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 01:46:09,116 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-11-22 01:46:09,116 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-11-22 01:46:09,117 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:46:09,117 INFO L85 PathProgramCache]: Analyzing trace with hash 108563789, now seen corresponding path program 2 times [2022-11-22 01:46:09,117 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:46:09,117 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1689822947] [2022-11-22 01:46:09,117 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:46:09,118 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:46:09,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:46:09,910 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-22 01:46:09,911 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:46:09,911 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1689822947] [2022-11-22 01:46:09,911 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1689822947] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 01:46:09,911 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 01:46:09,911 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-22 01:46:09,911 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [795469703] [2022-11-22 01:46:09,911 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 01:46:09,912 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-11-22 01:46:09,912 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 01:46:09,912 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-11-22 01:46:09,912 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2022-11-22 01:46:09,912 INFO L87 Difference]: Start difference. First operand 873 states and 1686 transitions. Second operand has 10 states, 9 states have (on average 1.4444444444444444) internal successors, (13), 9 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 01:46:12,791 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:46:12,791 INFO L93 Difference]: Finished difference Result 1480 states and 2830 transitions. [2022-11-22 01:46:12,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-22 01:46:12,792 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 1.4444444444444444) internal successors, (13), 9 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 13 [2022-11-22 01:46:12,792 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:46:12,794 INFO L225 Difference]: With dead ends: 1480 [2022-11-22 01:46:12,794 INFO L226 Difference]: Without dead ends: 1480 [2022-11-22 01:46:12,794 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=87, Invalid=185, Unknown=0, NotChecked=0, Total=272 [2022-11-22 01:46:12,795 INFO L413 NwaCegarLoop]: 6 mSDtfsCounter, 284 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 794 mSolverCounterSat, 77 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 284 SdHoareTripleChecker+Valid, 6 SdHoareTripleChecker+Invalid, 871 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 77 IncrementalHoareTripleChecker+Valid, 794 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2022-11-22 01:46:12,795 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [284 Valid, 6 Invalid, 871 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [77 Valid, 794 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2022-11-22 01:46:12,798 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1480 states. [2022-11-22 01:46:12,815 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1480 to 868. [2022-11-22 01:46:12,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 868 states, 854 states have (on average 1.9625292740046838) internal successors, (1676), 867 states have internal predecessors, (1676), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 01:46:12,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 868 states to 868 states and 1676 transitions. [2022-11-22 01:46:12,819 INFO L78 Accepts]: Start accepts. Automaton has 868 states and 1676 transitions. Word has length 13 [2022-11-22 01:46:12,820 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:46:12,820 INFO L495 AbstractCegarLoop]: Abstraction has 868 states and 1676 transitions. [2022-11-22 01:46:12,820 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 1.4444444444444444) internal successors, (13), 9 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 01:46:12,820 INFO L276 IsEmpty]: Start isEmpty. Operand 868 states and 1676 transitions. [2022-11-22 01:46:12,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-11-22 01:46:12,821 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:46:12,821 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 01:46:12,821 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-11-22 01:46:12,821 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-11-22 01:46:12,822 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:46:12,822 INFO L85 PathProgramCache]: Analyzing trace with hash 1884120303, now seen corresponding path program 3 times [2022-11-22 01:46:12,822 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:46:12,822 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2048590864] [2022-11-22 01:46:12,822 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:46:12,822 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:46:12,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:46:13,404 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-22 01:46:13,404 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:46:13,404 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2048590864] [2022-11-22 01:46:13,405 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2048590864] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 01:46:13,405 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 01:46:13,405 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-22 01:46:13,405 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [879784525] [2022-11-22 01:46:13,405 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 01:46:13,406 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-11-22 01:46:13,406 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 01:46:13,406 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-11-22 01:46:13,406 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2022-11-22 01:46:13,407 INFO L87 Difference]: Start difference. First operand 868 states and 1676 transitions. Second operand has 10 states, 9 states have (on average 1.4444444444444444) internal successors, (13), 9 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 01:46:15,668 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:46:15,668 INFO L93 Difference]: Finished difference Result 1156 states and 2178 transitions. [2022-11-22 01:46:15,669 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-11-22 01:46:15,669 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 1.4444444444444444) internal successors, (13), 9 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 13 [2022-11-22 01:46:15,669 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:46:15,671 INFO L225 Difference]: With dead ends: 1156 [2022-11-22 01:46:15,671 INFO L226 Difference]: Without dead ends: 1156 [2022-11-22 01:46:15,672 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 108 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=159, Invalid=393, Unknown=0, NotChecked=0, Total=552 [2022-11-22 01:46:15,672 INFO L413 NwaCegarLoop]: 6 mSDtfsCounter, 401 mSDsluCounter, 23 mSDsCounter, 0 mSdLazyCounter, 846 mSolverCounterSat, 159 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 401 SdHoareTripleChecker+Valid, 29 SdHoareTripleChecker+Invalid, 1005 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 159 IncrementalHoareTripleChecker+Valid, 846 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2022-11-22 01:46:15,672 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [401 Valid, 29 Invalid, 1005 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [159 Valid, 846 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2022-11-22 01:46:15,675 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1156 states. [2022-11-22 01:46:15,688 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1156 to 747. [2022-11-22 01:46:15,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 747 states, 735 states have (on average 1.9523809523809523) internal successors, (1435), 746 states have internal predecessors, (1435), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 01:46:15,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 747 states to 747 states and 1435 transitions. [2022-11-22 01:46:15,691 INFO L78 Accepts]: Start accepts. Automaton has 747 states and 1435 transitions. Word has length 13 [2022-11-22 01:46:15,692 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:46:15,692 INFO L495 AbstractCegarLoop]: Abstraction has 747 states and 1435 transitions. [2022-11-22 01:46:15,692 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 1.4444444444444444) internal successors, (13), 9 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 01:46:15,692 INFO L276 IsEmpty]: Start isEmpty. Operand 747 states and 1435 transitions. [2022-11-22 01:46:15,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-11-22 01:46:15,693 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:46:15,693 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 01:46:15,693 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2022-11-22 01:46:15,693 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-11-22 01:46:15,694 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:46:15,694 INFO L85 PathProgramCache]: Analyzing trace with hash 967569531, now seen corresponding path program 1 times [2022-11-22 01:46:15,694 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:46:15,694 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1528690815] [2022-11-22 01:46:15,694 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:46:15,694 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:46:15,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:46:16,884 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-22 01:46:16,884 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:46:16,884 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1528690815] [2022-11-22 01:46:16,884 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1528690815] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 01:46:16,884 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 01:46:16,884 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-22 01:46:16,885 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1211743437] [2022-11-22 01:46:16,885 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 01:46:16,885 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-11-22 01:46:16,885 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 01:46:16,885 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-11-22 01:46:16,886 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2022-11-22 01:46:16,886 INFO L87 Difference]: Start difference. First operand 747 states and 1435 transitions. Second operand has 10 states, 9 states have (on average 1.5555555555555556) internal successors, (14), 9 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 01:46:19,164 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:46:19,165 INFO L93 Difference]: Finished difference Result 746 states and 1433 transitions. [2022-11-22 01:46:19,165 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-22 01:46:19,165 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 1.5555555555555556) internal successors, (14), 9 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 14 [2022-11-22 01:46:19,165 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:46:19,167 INFO L225 Difference]: With dead ends: 746 [2022-11-22 01:46:19,167 INFO L226 Difference]: Without dead ends: 746 [2022-11-22 01:46:19,167 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=75, Invalid=135, Unknown=0, NotChecked=0, Total=210 [2022-11-22 01:46:19,168 INFO L413 NwaCegarLoop]: 21 mSDtfsCounter, 163 mSDsluCounter, 15 mSDsCounter, 0 mSdLazyCounter, 438 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 163 SdHoareTripleChecker+Valid, 36 SdHoareTripleChecker+Invalid, 457 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 438 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2022-11-22 01:46:19,168 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [163 Valid, 36 Invalid, 457 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 438 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2022-11-22 01:46:19,171 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 746 states. [2022-11-22 01:46:19,188 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 746 to 742. [2022-11-22 01:46:19,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 742 states, 730 states have (on average 1.952054794520548) internal successors, (1425), 741 states have internal predecessors, (1425), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 01:46:19,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 742 states to 742 states and 1425 transitions. [2022-11-22 01:46:19,198 INFO L78 Accepts]: Start accepts. Automaton has 742 states and 1425 transitions. Word has length 14 [2022-11-22 01:46:19,198 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:46:19,198 INFO L495 AbstractCegarLoop]: Abstraction has 742 states and 1425 transitions. [2022-11-22 01:46:19,199 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 1.5555555555555556) internal successors, (14), 9 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 01:46:19,199 INFO L276 IsEmpty]: Start isEmpty. Operand 742 states and 1425 transitions. [2022-11-22 01:46:19,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-11-22 01:46:19,202 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:46:19,202 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 01:46:19,202 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2022-11-22 01:46:19,203 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-11-22 01:46:19,203 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:46:19,204 INFO L85 PathProgramCache]: Analyzing trace with hash -70120704, now seen corresponding path program 1 times [2022-11-22 01:46:19,204 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:46:19,204 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1720109303] [2022-11-22 01:46:19,204 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:46:19,204 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:46:19,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:46:19,874 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-22 01:46:19,875 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:46:19,875 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1720109303] [2022-11-22 01:46:19,875 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1720109303] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 01:46:19,875 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 01:46:19,875 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-22 01:46:19,875 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1714037173] [2022-11-22 01:46:19,875 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 01:46:19,876 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-11-22 01:46:19,876 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 01:46:19,876 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-11-22 01:46:19,876 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2022-11-22 01:46:19,876 INFO L87 Difference]: Start difference. First operand 742 states and 1425 transitions. Second operand has 10 states, 9 states have (on average 1.6666666666666667) internal successors, (15), 9 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 01:46:22,890 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:46:22,890 INFO L93 Difference]: Finished difference Result 772 states and 1451 transitions. [2022-11-22 01:46:22,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-22 01:46:22,891 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 1.6666666666666667) internal successors, (15), 9 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 15 [2022-11-22 01:46:22,891 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:46:22,892 INFO L225 Difference]: With dead ends: 772 [2022-11-22 01:46:22,892 INFO L226 Difference]: Without dead ends: 772 [2022-11-22 01:46:22,893 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 60 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=139, Invalid=281, Unknown=0, NotChecked=0, Total=420 [2022-11-22 01:46:22,893 INFO L413 NwaCegarLoop]: 21 mSDtfsCounter, 266 mSDsluCounter, 38 mSDsCounter, 0 mSdLazyCounter, 739 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 266 SdHoareTripleChecker+Valid, 59 SdHoareTripleChecker+Invalid, 764 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 739 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.9s IncrementalHoareTripleChecker+Time [2022-11-22 01:46:22,893 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [266 Valid, 59 Invalid, 764 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 739 Invalid, 0 Unknown, 0 Unchecked, 2.9s Time] [2022-11-22 01:46:22,895 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 772 states. [2022-11-22 01:46:22,905 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 772 to 727. [2022-11-22 01:46:22,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 727 states, 715 states have (on average 1.951048951048951) internal successors, (1395), 726 states have internal predecessors, (1395), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 01:46:22,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 727 states to 727 states and 1395 transitions. [2022-11-22 01:46:22,909 INFO L78 Accepts]: Start accepts. Automaton has 727 states and 1395 transitions. Word has length 15 [2022-11-22 01:46:22,909 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:46:22,909 INFO L495 AbstractCegarLoop]: Abstraction has 727 states and 1395 transitions. [2022-11-22 01:46:22,909 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 1.6666666666666667) internal successors, (15), 9 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 01:46:22,909 INFO L276 IsEmpty]: Start isEmpty. Operand 727 states and 1395 transitions. [2022-11-22 01:46:22,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-11-22 01:46:22,910 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:46:22,910 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 01:46:22,910 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2022-11-22 01:46:22,910 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-11-22 01:46:22,911 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:46:22,911 INFO L85 PathProgramCache]: Analyzing trace with hash 392291045, now seen corresponding path program 1 times [2022-11-22 01:46:22,911 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:46:22,911 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1670372767] [2022-11-22 01:46:22,911 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:46:22,912 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:46:22,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:46:23,226 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-22 01:46:23,227 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:46:23,227 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1670372767] [2022-11-22 01:46:23,227 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1670372767] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 01:46:23,227 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 01:46:23,227 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-22 01:46:23,228 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [109661669] [2022-11-22 01:46:23,228 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 01:46:23,228 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-22 01:46:23,228 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 01:46:23,229 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-22 01:46:23,229 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-22 01:46:23,229 INFO L87 Difference]: Start difference. First operand 727 states and 1395 transitions. Second operand has 6 states, 5 states have (on average 3.0) internal successors, (15), 6 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 01:46:24,312 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:46:24,312 INFO L93 Difference]: Finished difference Result 780 states and 1497 transitions. [2022-11-22 01:46:24,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-22 01:46:24,313 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 3.0) internal successors, (15), 6 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 15 [2022-11-22 01:46:24,313 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:46:24,315 INFO L225 Difference]: With dead ends: 780 [2022-11-22 01:46:24,315 INFO L226 Difference]: Without dead ends: 780 [2022-11-22 01:46:24,315 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-22 01:46:24,316 INFO L413 NwaCegarLoop]: 29 mSDtfsCounter, 32 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 297 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 32 SdHoareTripleChecker+Valid, 29 SdHoareTripleChecker+Invalid, 301 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 297 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-11-22 01:46:24,316 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [32 Valid, 29 Invalid, 301 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 297 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-11-22 01:46:24,318 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 780 states. [2022-11-22 01:46:24,330 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 780 to 780. [2022-11-22 01:46:24,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 780 states, 768 states have (on average 1.94921875) internal successors, (1497), 779 states have internal predecessors, (1497), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 01:46:24,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 780 states to 780 states and 1497 transitions. [2022-11-22 01:46:24,334 INFO L78 Accepts]: Start accepts. Automaton has 780 states and 1497 transitions. Word has length 15 [2022-11-22 01:46:24,334 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:46:24,334 INFO L495 AbstractCegarLoop]: Abstraction has 780 states and 1497 transitions. [2022-11-22 01:46:24,334 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 3.0) internal successors, (15), 6 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 01:46:24,335 INFO L276 IsEmpty]: Start isEmpty. Operand 780 states and 1497 transitions. [2022-11-22 01:46:24,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-11-22 01:46:24,335 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:46:24,335 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 01:46:24,336 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2022-11-22 01:46:24,336 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-11-22 01:46:24,336 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:46:24,336 INFO L85 PathProgramCache]: Analyzing trace with hash 1692346768, now seen corresponding path program 1 times [2022-11-22 01:46:24,336 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:46:24,337 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1645756196] [2022-11-22 01:46:24,337 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:46:24,337 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:46:24,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:46:24,594 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-22 01:46:24,594 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:46:24,594 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1645756196] [2022-11-22 01:46:24,594 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1645756196] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 01:46:24,594 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 01:46:24,595 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-22 01:46:24,595 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [125039593] [2022-11-22 01:46:24,595 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 01:46:24,595 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-22 01:46:24,595 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 01:46:24,596 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-22 01:46:24,596 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-22 01:46:24,596 INFO L87 Difference]: Start difference. First operand 780 states and 1497 transitions. Second operand has 6 states, 5 states have (on average 3.0) internal successors, (15), 6 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 01:46:26,064 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:46:26,065 INFO L93 Difference]: Finished difference Result 1025 states and 1940 transitions. [2022-11-22 01:46:26,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-22 01:46:26,065 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 3.0) internal successors, (15), 6 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 15 [2022-11-22 01:46:26,065 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:46:26,068 INFO L225 Difference]: With dead ends: 1025 [2022-11-22 01:46:26,069 INFO L226 Difference]: Without dead ends: 999 [2022-11-22 01:46:26,069 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-22 01:46:26,070 INFO L413 NwaCegarLoop]: 28 mSDtfsCounter, 70 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 487 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 70 SdHoareTripleChecker+Valid, 28 SdHoareTripleChecker+Invalid, 509 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 487 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2022-11-22 01:46:26,070 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [70 Valid, 28 Invalid, 509 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 487 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-11-22 01:46:26,072 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 999 states. [2022-11-22 01:46:26,087 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 999 to 885. [2022-11-22 01:46:26,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 885 states, 873 states have (on average 1.9484536082474226) internal successors, (1701), 884 states have internal predecessors, (1701), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 01:46:26,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 885 states to 885 states and 1701 transitions. [2022-11-22 01:46:26,099 INFO L78 Accepts]: Start accepts. Automaton has 885 states and 1701 transitions. Word has length 15 [2022-11-22 01:46:26,099 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:46:26,099 INFO L495 AbstractCegarLoop]: Abstraction has 885 states and 1701 transitions. [2022-11-22 01:46:26,100 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 3.0) internal successors, (15), 6 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 01:46:26,100 INFO L276 IsEmpty]: Start isEmpty. Operand 885 states and 1701 transitions. [2022-11-22 01:46:26,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-22 01:46:26,101 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:46:26,101 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 01:46:26,101 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2022-11-22 01:46:26,101 INFO L420 AbstractCegarLoop]: === Iteration 26 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-11-22 01:46:26,102 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:46:26,102 INFO L85 PathProgramCache]: Analyzing trace with hash -1606675086, now seen corresponding path program 1 times [2022-11-22 01:46:26,102 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:46:26,102 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1734374938] [2022-11-22 01:46:26,102 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:46:26,102 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:46:26,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:46:27,601 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-22 01:46:27,601 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:46:27,601 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1734374938] [2022-11-22 01:46:27,601 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1734374938] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 01:46:27,601 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 01:46:27,601 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-11-22 01:46:27,601 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [925468703] [2022-11-22 01:46:27,602 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 01:46:27,602 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-11-22 01:46:27,602 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 01:46:27,602 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-11-22 01:46:27,602 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=78, Unknown=0, NotChecked=0, Total=110 [2022-11-22 01:46:27,603 INFO L87 Difference]: Start difference. First operand 885 states and 1701 transitions. Second operand has 11 states, 10 states have (on average 1.8) internal successors, (18), 10 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 01:46:30,744 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:46:30,745 INFO L93 Difference]: Finished difference Result 905 states and 1709 transitions. [2022-11-22 01:46:30,745 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-22 01:46:30,745 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 1.8) internal successors, (18), 10 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 18 [2022-11-22 01:46:30,745 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:46:30,747 INFO L225 Difference]: With dead ends: 905 [2022-11-22 01:46:30,747 INFO L226 Difference]: Without dead ends: 905 [2022-11-22 01:46:30,747 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 64 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=145, Invalid=317, Unknown=0, NotChecked=0, Total=462 [2022-11-22 01:46:30,747 INFO L413 NwaCegarLoop]: 6 mSDtfsCounter, 242 mSDsluCounter, 22 mSDsCounter, 0 mSdLazyCounter, 767 mSolverCounterSat, 43 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 242 SdHoareTripleChecker+Valid, 28 SdHoareTripleChecker+Invalid, 810 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 43 IncrementalHoareTripleChecker+Valid, 767 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2022-11-22 01:46:30,748 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [242 Valid, 28 Invalid, 810 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [43 Valid, 767 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2022-11-22 01:46:30,750 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 905 states. [2022-11-22 01:46:30,762 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 905 to 842. [2022-11-22 01:46:30,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 842 states, 832 states have (on average 1.9471153846153846) internal successors, (1620), 841 states have internal predecessors, (1620), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 01:46:30,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 842 states to 842 states and 1620 transitions. [2022-11-22 01:46:30,766 INFO L78 Accepts]: Start accepts. Automaton has 842 states and 1620 transitions. Word has length 18 [2022-11-22 01:46:30,766 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:46:30,766 INFO L495 AbstractCegarLoop]: Abstraction has 842 states and 1620 transitions. [2022-11-22 01:46:30,766 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 1.8) internal successors, (18), 10 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 01:46:30,766 INFO L276 IsEmpty]: Start isEmpty. Operand 842 states and 1620 transitions. [2022-11-22 01:46:30,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-22 01:46:30,767 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:46:30,767 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 01:46:30,767 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2022-11-22 01:46:30,767 INFO L420 AbstractCegarLoop]: === Iteration 27 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-11-22 01:46:30,768 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:46:30,768 INFO L85 PathProgramCache]: Analyzing trace with hash -330559875, now seen corresponding path program 1 times [2022-11-22 01:46:30,768 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:46:30,768 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1244042674] [2022-11-22 01:46:30,768 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:46:30,769 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:46:30,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:46:31,204 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-22 01:46:31,205 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:46:31,205 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1244042674] [2022-11-22 01:46:31,205 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1244042674] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 01:46:31,205 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 01:46:31,205 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-22 01:46:31,205 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [983049275] [2022-11-22 01:46:31,205 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 01:46:31,205 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-11-22 01:46:31,206 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 01:46:31,206 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-11-22 01:46:31,206 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2022-11-22 01:46:31,206 INFO L87 Difference]: Start difference. First operand 842 states and 1620 transitions. Second operand has 10 states, 9 states have (on average 2.0) internal successors, (18), 9 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 01:46:33,292 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:46:33,292 INFO L93 Difference]: Finished difference Result 868 states and 1639 transitions. [2022-11-22 01:46:33,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-11-22 01:46:33,293 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 2.0) internal successors, (18), 9 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 18 [2022-11-22 01:46:33,293 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:46:33,295 INFO L225 Difference]: With dead ends: 868 [2022-11-22 01:46:33,295 INFO L226 Difference]: Without dead ends: 868 [2022-11-22 01:46:33,295 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 63 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=142, Invalid=278, Unknown=0, NotChecked=0, Total=420 [2022-11-22 01:46:33,296 INFO L413 NwaCegarLoop]: 19 mSDtfsCounter, 252 mSDsluCounter, 31 mSDsCounter, 0 mSdLazyCounter, 504 mSolverCounterSat, 41 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 252 SdHoareTripleChecker+Valid, 50 SdHoareTripleChecker+Invalid, 545 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 41 IncrementalHoareTripleChecker+Valid, 504 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2022-11-22 01:46:33,296 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [252 Valid, 50 Invalid, 545 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [41 Valid, 504 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2022-11-22 01:46:33,297 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 868 states. [2022-11-22 01:46:33,308 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 868 to 812. [2022-11-22 01:46:33,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 812 states, 802 states have (on average 1.945137157107232) internal successors, (1560), 811 states have internal predecessors, (1560), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 01:46:33,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 812 states to 812 states and 1560 transitions. [2022-11-22 01:46:33,312 INFO L78 Accepts]: Start accepts. Automaton has 812 states and 1560 transitions. Word has length 18 [2022-11-22 01:46:33,312 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:46:33,312 INFO L495 AbstractCegarLoop]: Abstraction has 812 states and 1560 transitions. [2022-11-22 01:46:33,312 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 2.0) internal successors, (18), 9 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 01:46:33,312 INFO L276 IsEmpty]: Start isEmpty. Operand 812 states and 1560 transitions. [2022-11-22 01:46:33,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-22 01:46:33,313 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:46:33,313 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 01:46:33,313 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2022-11-22 01:46:33,314 INFO L420 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-11-22 01:46:33,314 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:46:33,314 INFO L85 PathProgramCache]: Analyzing trace with hash 1437698829, now seen corresponding path program 1 times [2022-11-22 01:46:33,314 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:46:33,314 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2059519895] [2022-11-22 01:46:33,315 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:46:33,315 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:46:33,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:46:33,792 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-22 01:46:33,792 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:46:33,792 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2059519895] [2022-11-22 01:46:33,792 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2059519895] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 01:46:33,792 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 01:46:33,793 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-22 01:46:33,793 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [262305513] [2022-11-22 01:46:33,793 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 01:46:33,793 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-11-22 01:46:33,793 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 01:46:33,793 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-11-22 01:46:33,794 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2022-11-22 01:46:33,794 INFO L87 Difference]: Start difference. First operand 812 states and 1560 transitions. Second operand has 10 states, 9 states have (on average 2.0) internal successors, (18), 9 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 01:46:36,295 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:46:36,295 INFO L93 Difference]: Finished difference Result 857 states and 1602 transitions. [2022-11-22 01:46:36,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-11-22 01:46:36,296 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 2.0) internal successors, (18), 9 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 18 [2022-11-22 01:46:36,296 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:46:36,298 INFO L225 Difference]: With dead ends: 857 [2022-11-22 01:46:36,298 INFO L226 Difference]: Without dead ends: 857 [2022-11-22 01:46:36,298 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 114 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=207, Invalid=495, Unknown=0, NotChecked=0, Total=702 [2022-11-22 01:46:36,299 INFO L413 NwaCegarLoop]: 6 mSDtfsCounter, 342 mSDsluCounter, 31 mSDsCounter, 0 mSdLazyCounter, 634 mSolverCounterSat, 122 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 342 SdHoareTripleChecker+Valid, 37 SdHoareTripleChecker+Invalid, 756 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 122 IncrementalHoareTripleChecker+Valid, 634 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2022-11-22 01:46:36,299 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [342 Valid, 37 Invalid, 756 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [122 Valid, 634 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2022-11-22 01:46:36,301 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 857 states. [2022-11-22 01:46:36,311 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 857 to 714. [2022-11-22 01:46:36,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 714 states, 705 states have (on average 1.9347517730496453) internal successors, (1364), 713 states have internal predecessors, (1364), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 01:46:36,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 714 states to 714 states and 1364 transitions. [2022-11-22 01:46:36,315 INFO L78 Accepts]: Start accepts. Automaton has 714 states and 1364 transitions. Word has length 18 [2022-11-22 01:46:36,315 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:46:36,315 INFO L495 AbstractCegarLoop]: Abstraction has 714 states and 1364 transitions. [2022-11-22 01:46:36,315 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 2.0) internal successors, (18), 9 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 01:46:36,316 INFO L276 IsEmpty]: Start isEmpty. Operand 714 states and 1364 transitions. [2022-11-22 01:46:36,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-11-22 01:46:36,316 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:46:36,317 INFO L195 NwaCegarLoop]: 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] [2022-11-22 01:46:36,317 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2022-11-22 01:46:36,317 INFO L420 AbstractCegarLoop]: === Iteration 29 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-11-22 01:46:36,317 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:46:36,318 INFO L85 PathProgramCache]: Analyzing trace with hash -38591780, now seen corresponding path program 1 times [2022-11-22 01:46:36,318 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:46:36,318 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [401850585] [2022-11-22 01:46:36,318 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:46:36,318 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:46:36,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:46:36,998 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-22 01:46:36,998 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:46:36,998 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [401850585] [2022-11-22 01:46:36,998 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [401850585] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 01:46:36,998 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 01:46:36,998 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-22 01:46:36,998 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1975545161] [2022-11-22 01:46:36,998 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 01:46:36,999 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-11-22 01:46:36,999 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 01:46:36,999 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-11-22 01:46:36,999 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2022-11-22 01:46:36,999 INFO L87 Difference]: Start difference. First operand 714 states and 1364 transitions. Second operand has 10 states, 9 states have (on average 2.6666666666666665) internal successors, (24), 9 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 01:46:38,725 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:46:38,725 INFO L93 Difference]: Finished difference Result 745 states and 1426 transitions. [2022-11-22 01:46:38,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-22 01:46:38,725 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 2.6666666666666665) internal successors, (24), 9 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 24 [2022-11-22 01:46:38,725 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:46:38,727 INFO L225 Difference]: With dead ends: 745 [2022-11-22 01:46:38,727 INFO L226 Difference]: Without dead ends: 745 [2022-11-22 01:46:38,727 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=73, Invalid=137, Unknown=0, NotChecked=0, Total=210 [2022-11-22 01:46:38,728 INFO L413 NwaCegarLoop]: 26 mSDtfsCounter, 191 mSDsluCounter, 12 mSDsCounter, 0 mSdLazyCounter, 375 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 191 SdHoareTripleChecker+Valid, 38 SdHoareTripleChecker+Invalid, 386 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 375 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2022-11-22 01:46:38,728 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [191 Valid, 38 Invalid, 386 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 375 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2022-11-22 01:46:38,730 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 745 states. [2022-11-22 01:46:38,740 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 745 to 720. [2022-11-22 01:46:38,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 720 states, 711 states have (on average 1.9353023909985936) internal successors, (1376), 719 states have internal predecessors, (1376), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 01:46:38,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 720 states to 720 states and 1376 transitions. [2022-11-22 01:46:38,743 INFO L78 Accepts]: Start accepts. Automaton has 720 states and 1376 transitions. Word has length 24 [2022-11-22 01:46:38,743 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:46:38,744 INFO L495 AbstractCegarLoop]: Abstraction has 720 states and 1376 transitions. [2022-11-22 01:46:38,744 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 2.6666666666666665) internal successors, (24), 9 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 01:46:38,744 INFO L276 IsEmpty]: Start isEmpty. Operand 720 states and 1376 transitions. [2022-11-22 01:46:38,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-11-22 01:46:38,745 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:46:38,745 INFO L195 NwaCegarLoop]: 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] [2022-11-22 01:46:38,745 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2022-11-22 01:46:38,745 INFO L420 AbstractCegarLoop]: === Iteration 30 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-11-22 01:46:38,746 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:46:38,746 INFO L85 PathProgramCache]: Analyzing trace with hash -36717830, now seen corresponding path program 2 times [2022-11-22 01:46:38,746 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:46:38,746 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1767894606] [2022-11-22 01:46:38,746 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:46:38,746 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:46:38,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:46:39,437 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-22 01:46:39,438 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:46:39,438 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1767894606] [2022-11-22 01:46:39,438 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1767894606] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 01:46:39,438 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 01:46:39,438 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-22 01:46:39,438 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [659828643] [2022-11-22 01:46:39,438 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 01:46:39,438 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-11-22 01:46:39,439 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 01:46:39,439 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-11-22 01:46:39,439 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2022-11-22 01:46:39,439 INFO L87 Difference]: Start difference. First operand 720 states and 1376 transitions. Second operand has 10 states, 9 states have (on average 2.6666666666666665) internal successors, (24), 9 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 01:46:41,687 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:46:41,687 INFO L93 Difference]: Finished difference Result 742 states and 1420 transitions. [2022-11-22 01:46:41,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-22 01:46:41,688 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 2.6666666666666665) internal successors, (24), 9 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 24 [2022-11-22 01:46:41,688 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:46:41,689 INFO L225 Difference]: With dead ends: 742 [2022-11-22 01:46:41,689 INFO L226 Difference]: Without dead ends: 742 [2022-11-22 01:46:41,690 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=73, Invalid=137, Unknown=0, NotChecked=0, Total=210 [2022-11-22 01:46:41,690 INFO L413 NwaCegarLoop]: 26 mSDtfsCounter, 148 mSDsluCounter, 12 mSDsCounter, 0 mSdLazyCounter, 493 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 148 SdHoareTripleChecker+Valid, 38 SdHoareTripleChecker+Invalid, 502 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 493 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2022-11-22 01:46:41,691 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [148 Valid, 38 Invalid, 502 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 493 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2022-11-22 01:46:41,692 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 742 states. [2022-11-22 01:46:41,702 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 742 to 723. [2022-11-22 01:46:41,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 723 states, 714 states have (on average 1.9355742296918768) internal successors, (1382), 722 states have internal predecessors, (1382), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 01:46:41,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 723 states to 723 states and 1382 transitions. [2022-11-22 01:46:41,705 INFO L78 Accepts]: Start accepts. Automaton has 723 states and 1382 transitions. Word has length 24 [2022-11-22 01:46:41,706 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:46:41,706 INFO L495 AbstractCegarLoop]: Abstraction has 723 states and 1382 transitions. [2022-11-22 01:46:41,706 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 2.6666666666666665) internal successors, (24), 9 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 01:46:41,706 INFO L276 IsEmpty]: Start isEmpty. Operand 723 states and 1382 transitions. [2022-11-22 01:46:41,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-11-22 01:46:41,707 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:46:41,707 INFO L195 NwaCegarLoop]: 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] [2022-11-22 01:46:41,707 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2022-11-22 01:46:41,708 INFO L420 AbstractCegarLoop]: === Iteration 31 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-11-22 01:46:41,708 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:46:41,708 INFO L85 PathProgramCache]: Analyzing trace with hash -36656450, now seen corresponding path program 3 times [2022-11-22 01:46:41,708 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:46:41,708 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1039753456] [2022-11-22 01:46:41,709 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:46:41,709 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:46:41,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:46:42,533 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-22 01:46:42,533 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:46:42,533 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1039753456] [2022-11-22 01:46:42,533 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1039753456] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 01:46:42,534 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 01:46:42,534 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-22 01:46:42,534 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [210753702] [2022-11-22 01:46:42,534 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 01:46:42,534 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-11-22 01:46:42,534 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 01:46:42,535 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-11-22 01:46:42,535 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2022-11-22 01:46:42,535 INFO L87 Difference]: Start difference. First operand 723 states and 1382 transitions. Second operand has 10 states, 9 states have (on average 2.6666666666666665) internal successors, (24), 9 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 01:46:44,859 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:46:44,859 INFO L93 Difference]: Finished difference Result 739 states and 1414 transitions. [2022-11-22 01:46:44,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-22 01:46:44,860 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 2.6666666666666665) internal successors, (24), 9 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 24 [2022-11-22 01:46:44,860 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:46:44,862 INFO L225 Difference]: With dead ends: 739 [2022-11-22 01:46:44,862 INFO L226 Difference]: Without dead ends: 739 [2022-11-22 01:46:44,862 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=75, Invalid=135, Unknown=0, NotChecked=0, Total=210 [2022-11-22 01:46:44,863 INFO L413 NwaCegarLoop]: 26 mSDtfsCounter, 138 mSDsluCounter, 12 mSDsCounter, 0 mSdLazyCounter, 594 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 138 SdHoareTripleChecker+Valid, 38 SdHoareTripleChecker+Invalid, 602 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 594 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2022-11-22 01:46:44,863 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [138 Valid, 38 Invalid, 602 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 594 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2022-11-22 01:46:44,865 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 739 states. [2022-11-22 01:46:44,873 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 739 to 726. [2022-11-22 01:46:44,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 726 states, 717 states have (on average 1.9358437935843793) internal successors, (1388), 725 states have internal predecessors, (1388), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 01:46:44,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 726 states to 726 states and 1388 transitions. [2022-11-22 01:46:44,876 INFO L78 Accepts]: Start accepts. Automaton has 726 states and 1388 transitions. Word has length 24 [2022-11-22 01:46:44,877 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:46:44,877 INFO L495 AbstractCegarLoop]: Abstraction has 726 states and 1388 transitions. [2022-11-22 01:46:44,877 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 2.6666666666666665) internal successors, (24), 9 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 01:46:44,877 INFO L276 IsEmpty]: Start isEmpty. Operand 726 states and 1388 transitions. [2022-11-22 01:46:44,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-11-22 01:46:44,878 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:46:44,878 INFO L195 NwaCegarLoop]: 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] [2022-11-22 01:46:44,878 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2022-11-22 01:46:44,879 INFO L420 AbstractCegarLoop]: === Iteration 32 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-11-22 01:46:44,879 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:46:44,879 INFO L85 PathProgramCache]: Analyzing trace with hash -847471894, now seen corresponding path program 4 times [2022-11-22 01:46:44,879 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:46:44,879 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1435562753] [2022-11-22 01:46:44,880 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:46:44,880 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:46:44,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:46:46,156 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-22 01:46:46,157 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:46:46,157 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1435562753] [2022-11-22 01:46:46,157 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1435562753] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 01:46:46,158 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 01:46:46,158 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-11-22 01:46:46,158 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [226170348] [2022-11-22 01:46:46,158 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 01:46:46,158 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-11-22 01:46:46,158 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 01:46:46,159 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-11-22 01:46:46,159 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2022-11-22 01:46:46,159 INFO L87 Difference]: Start difference. First operand 726 states and 1388 transitions. Second operand has 12 states, 11 states have (on average 2.1818181818181817) internal successors, (24), 11 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 01:46:49,366 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:46:49,366 INFO L93 Difference]: Finished difference Result 770 states and 1476 transitions. [2022-11-22 01:46:49,366 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-22 01:46:49,366 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 2.1818181818181817) internal successors, (24), 11 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 24 [2022-11-22 01:46:49,367 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:46:49,369 INFO L225 Difference]: With dead ends: 770 [2022-11-22 01:46:49,369 INFO L226 Difference]: Without dead ends: 770 [2022-11-22 01:46:49,370 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=83, Invalid=189, Unknown=0, NotChecked=0, Total=272 [2022-11-22 01:46:49,370 INFO L413 NwaCegarLoop]: 6 mSDtfsCounter, 199 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 754 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 199 SdHoareTripleChecker+Valid, 6 SdHoareTripleChecker+Invalid, 770 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 754 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2022-11-22 01:46:49,370 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [199 Valid, 6 Invalid, 770 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 754 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2022-11-22 01:46:49,372 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 770 states. [2022-11-22 01:46:49,382 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 770 to 736. [2022-11-22 01:46:49,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 736 states, 727 states have (on average 1.9367262723521321) internal successors, (1408), 735 states have internal predecessors, (1408), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 01:46:49,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 736 states to 736 states and 1408 transitions. [2022-11-22 01:46:49,385 INFO L78 Accepts]: Start accepts. Automaton has 736 states and 1408 transitions. Word has length 24 [2022-11-22 01:46:49,385 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:46:49,385 INFO L495 AbstractCegarLoop]: Abstraction has 736 states and 1408 transitions. [2022-11-22 01:46:49,385 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 2.1818181818181817) internal successors, (24), 11 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 01:46:49,386 INFO L276 IsEmpty]: Start isEmpty. Operand 736 states and 1408 transitions. [2022-11-22 01:46:49,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-11-22 01:46:49,387 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:46:49,387 INFO L195 NwaCegarLoop]: 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] [2022-11-22 01:46:49,387 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2022-11-22 01:46:49,387 INFO L420 AbstractCegarLoop]: === Iteration 33 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-11-22 01:46:49,388 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:46:49,388 INFO L85 PathProgramCache]: Analyzing trace with hash -847410514, now seen corresponding path program 5 times [2022-11-22 01:46:49,388 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:46:49,388 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1587311923] [2022-11-22 01:46:49,388 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:46:49,388 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:46:49,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:46:50,255 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-22 01:46:50,255 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:46:50,255 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1587311923] [2022-11-22 01:46:50,255 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1587311923] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 01:46:50,255 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 01:46:50,255 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-11-22 01:46:50,256 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1726881586] [2022-11-22 01:46:50,256 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 01:46:50,256 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-11-22 01:46:50,256 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 01:46:50,256 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-11-22 01:46:50,256 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2022-11-22 01:46:50,256 INFO L87 Difference]: Start difference. First operand 736 states and 1408 transitions. Second operand has 11 states, 10 states have (on average 2.4) internal successors, (24), 10 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 01:46:53,370 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:46:53,370 INFO L93 Difference]: Finished difference Result 761 states and 1426 transitions. [2022-11-22 01:46:53,370 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-22 01:46:53,370 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 2.4) internal successors, (24), 10 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 24 [2022-11-22 01:46:53,370 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:46:53,372 INFO L225 Difference]: With dead ends: 761 [2022-11-22 01:46:53,372 INFO L226 Difference]: Without dead ends: 761 [2022-11-22 01:46:53,372 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 69 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=144, Invalid=318, Unknown=0, NotChecked=0, Total=462 [2022-11-22 01:46:53,373 INFO L413 NwaCegarLoop]: 6 mSDtfsCounter, 220 mSDsluCounter, 22 mSDsCounter, 0 mSdLazyCounter, 787 mSolverCounterSat, 51 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 220 SdHoareTripleChecker+Valid, 28 SdHoareTripleChecker+Invalid, 838 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 51 IncrementalHoareTripleChecker+Valid, 787 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.9s IncrementalHoareTripleChecker+Time [2022-11-22 01:46:53,373 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [220 Valid, 28 Invalid, 838 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [51 Valid, 787 Invalid, 0 Unknown, 0 Unchecked, 2.9s Time] [2022-11-22 01:46:53,375 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 761 states. [2022-11-22 01:46:53,383 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 761 to 679. [2022-11-22 01:46:53,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 679 states, 671 states have (on average 1.9359165424739195) internal successors, (1299), 678 states have internal predecessors, (1299), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 01:46:53,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 679 states to 679 states and 1299 transitions. [2022-11-22 01:46:53,385 INFO L78 Accepts]: Start accepts. Automaton has 679 states and 1299 transitions. Word has length 24 [2022-11-22 01:46:53,386 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:46:53,386 INFO L495 AbstractCegarLoop]: Abstraction has 679 states and 1299 transitions. [2022-11-22 01:46:53,386 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 2.4) internal successors, (24), 10 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 01:46:53,386 INFO L276 IsEmpty]: Start isEmpty. Operand 679 states and 1299 transitions. [2022-11-22 01:46:53,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2022-11-22 01:46:53,387 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:46:53,387 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 01:46:53,387 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2022-11-22 01:46:53,388 INFO L420 AbstractCegarLoop]: === Iteration 34 === Targeting t_funErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-11-22 01:46:53,388 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:46:53,388 INFO L85 PathProgramCache]: Analyzing trace with hash -1065517163, now seen corresponding path program 1 times [2022-11-22 01:46:53,388 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:46:53,388 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1534964098] [2022-11-22 01:46:53,388 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:46:53,389 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:46:53,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:46:53,751 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-22 01:46:53,752 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:46:53,752 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1534964098] [2022-11-22 01:46:53,752 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1534964098] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 01:46:53,752 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 01:46:53,752 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-22 01:46:53,752 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [494716266] [2022-11-22 01:46:53,753 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 01:46:53,753 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-22 01:46:53,753 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 01:46:53,753 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-22 01:46:53,754 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-22 01:46:53,754 INFO L87 Difference]: Start difference. First operand 679 states and 1299 transitions. Second operand has 6 states, 5 states have (on average 5.4) internal successors, (27), 6 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 01:46:54,944 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:46:54,945 INFO L93 Difference]: Finished difference Result 754 states and 1437 transitions. [2022-11-22 01:46:54,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-22 01:46:54,945 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 5.4) internal successors, (27), 6 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 27 [2022-11-22 01:46:54,945 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:46:54,946 INFO L225 Difference]: With dead ends: 754 [2022-11-22 01:46:54,946 INFO L226 Difference]: Without dead ends: 754 [2022-11-22 01:46:54,947 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-22 01:46:54,947 INFO L413 NwaCegarLoop]: 26 mSDtfsCounter, 36 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 295 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 36 SdHoareTripleChecker+Valid, 26 SdHoareTripleChecker+Invalid, 312 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 295 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-11-22 01:46:54,947 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [36 Valid, 26 Invalid, 312 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 295 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-11-22 01:46:54,949 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 754 states. [2022-11-22 01:46:54,972 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 754 to 726. [2022-11-22 01:46:54,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 726 states, 718 states have (on average 1.934540389972145) internal successors, (1389), 725 states have internal predecessors, (1389), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 01:46:54,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 726 states to 726 states and 1389 transitions. [2022-11-22 01:46:54,975 INFO L78 Accepts]: Start accepts. Automaton has 726 states and 1389 transitions. Word has length 27 [2022-11-22 01:46:54,975 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:46:54,976 INFO L495 AbstractCegarLoop]: Abstraction has 726 states and 1389 transitions. [2022-11-22 01:46:54,976 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 5.4) internal successors, (27), 6 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 01:46:54,976 INFO L276 IsEmpty]: Start isEmpty. Operand 726 states and 1389 transitions. [2022-11-22 01:46:54,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-11-22 01:46:54,977 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:46:54,977 INFO L195 NwaCegarLoop]: 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] [2022-11-22 01:46:54,977 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2022-11-22 01:46:54,977 INFO L420 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-11-22 01:46:54,978 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:46:54,978 INFO L85 PathProgramCache]: Analyzing trace with hash -2061025024, now seen corresponding path program 1 times [2022-11-22 01:46:54,978 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:46:54,978 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [918920604] [2022-11-22 01:46:54,979 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:46:54,979 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:46:55,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:46:55,107 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-22 01:46:55,107 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:46:55,107 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [918920604] [2022-11-22 01:46:55,108 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [918920604] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 01:46:55,108 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 01:46:55,108 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-22 01:46:55,108 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1609189070] [2022-11-22 01:46:55,108 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 01:46:55,108 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-22 01:46:55,109 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 01:46:55,109 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-22 01:46:55,109 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-22 01:46:55,109 INFO L87 Difference]: Start difference. First operand 726 states and 1389 transitions. Second operand has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 01:46:55,656 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:46:55,656 INFO L93 Difference]: Finished difference Result 280 states and 492 transitions. [2022-11-22 01:46:55,656 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-22 01:46:55,656 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 30 [2022-11-22 01:46:55,657 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:46:55,657 INFO L225 Difference]: With dead ends: 280 [2022-11-22 01:46:55,657 INFO L226 Difference]: Without dead ends: 280 [2022-11-22 01:46:55,657 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-22 01:46:55,658 INFO L413 NwaCegarLoop]: 33 mSDtfsCounter, 31 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 39 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 31 SdHoareTripleChecker+Valid, 40 SdHoareTripleChecker+Invalid, 41 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 39 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-11-22 01:46:55,658 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [31 Valid, 40 Invalid, 41 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 39 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-11-22 01:46:55,659 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 280 states. [2022-11-22 01:46:55,662 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 280 to 280. [2022-11-22 01:46:55,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 280 states, 278 states have (on average 1.7697841726618706) internal successors, (492), 279 states have internal predecessors, (492), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 01:46:55,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 280 states to 280 states and 492 transitions. [2022-11-22 01:46:55,663 INFO L78 Accepts]: Start accepts. Automaton has 280 states and 492 transitions. Word has length 30 [2022-11-22 01:46:55,663 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:46:55,663 INFO L495 AbstractCegarLoop]: Abstraction has 280 states and 492 transitions. [2022-11-22 01:46:55,663 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 01:46:55,664 INFO L276 IsEmpty]: Start isEmpty. Operand 280 states and 492 transitions. [2022-11-22 01:46:55,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-11-22 01:46:55,664 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:46:55,664 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 01:46:55,664 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2022-11-22 01:46:55,664 INFO L420 AbstractCegarLoop]: === Iteration 36 === Targeting t_funErr6ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-11-22 01:46:55,665 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:46:55,665 INFO L85 PathProgramCache]: Analyzing trace with hash -1700927427, now seen corresponding path program 1 times [2022-11-22 01:46:55,665 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:46:55,665 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [47067054] [2022-11-22 01:46:55,665 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:46:55,665 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:46:55,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:46:55,963 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-22 01:46:55,964 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:46:55,964 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [47067054] [2022-11-22 01:46:55,964 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [47067054] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 01:46:55,964 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 01:46:55,964 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-22 01:46:55,964 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [939418006] [2022-11-22 01:46:55,964 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 01:46:55,965 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-22 01:46:55,965 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 01:46:55,965 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-22 01:46:55,965 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-22 01:46:55,965 INFO L87 Difference]: Start difference. First operand 280 states and 492 transitions. Second operand has 6 states, 5 states have (on average 6.6) internal successors, (33), 6 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 01:46:56,941 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:46:56,941 INFO L93 Difference]: Finished difference Result 277 states and 488 transitions. [2022-11-22 01:46:56,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-22 01:46:56,941 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 6.6) internal successors, (33), 6 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 33 [2022-11-22 01:46:56,941 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:46:56,942 INFO L225 Difference]: With dead ends: 277 [2022-11-22 01:46:56,942 INFO L226 Difference]: Without dead ends: 0 [2022-11-22 01:46:56,942 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-22 01:46:56,942 INFO L413 NwaCegarLoop]: 22 mSDtfsCounter, 4 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 127 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 22 SdHoareTripleChecker+Invalid, 132 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 127 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-11-22 01:46:56,943 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 22 Invalid, 132 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 127 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-11-22 01:46:56,943 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-22 01:46:56,943 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-22 01:46:56,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 01:46:56,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-22 01:46:56,943 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 33 [2022-11-22 01:46:56,943 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:46:56,943 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-22 01:46:56,944 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 6.6) internal successors, (33), 6 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 01:46:56,944 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-22 01:46:56,944 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-22 01:46:56,946 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (29 of 30 remaining) [2022-11-22 01:46:56,946 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (28 of 30 remaining) [2022-11-22 01:46:56,946 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (27 of 30 remaining) [2022-11-22 01:46:56,946 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (26 of 30 remaining) [2022-11-22 01:46:56,947 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (25 of 30 remaining) [2022-11-22 01:46:56,947 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (24 of 30 remaining) [2022-11-22 01:46:56,947 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (23 of 30 remaining) [2022-11-22 01:46:56,947 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (22 of 30 remaining) [2022-11-22 01:46:56,947 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (21 of 30 remaining) [2022-11-22 01:46:56,947 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (20 of 30 remaining) [2022-11-22 01:46:56,947 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (19 of 30 remaining) [2022-11-22 01:46:56,947 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (18 of 30 remaining) [2022-11-22 01:46:56,948 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE (17 of 30 remaining) [2022-11-22 01:46:56,948 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE (16 of 30 remaining) [2022-11-22 01:46:56,948 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE (15 of 30 remaining) [2022-11-22 01:46:56,948 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (14 of 30 remaining) [2022-11-22 01:46:56,948 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (13 of 30 remaining) [2022-11-22 01:46:56,948 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE (12 of 30 remaining) [2022-11-22 01:46:56,948 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr2ASSERT_VIOLATIONDATA_RACE (11 of 30 remaining) [2022-11-22 01:46:56,948 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr3ASSERT_VIOLATIONDATA_RACE (10 of 30 remaining) [2022-11-22 01:46:56,949 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr4ASSERT_VIOLATIONDATA_RACE (9 of 30 remaining) [2022-11-22 01:46:56,949 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr5ASSERT_VIOLATIONDATA_RACE (8 of 30 remaining) [2022-11-22 01:46:56,949 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr6ASSERT_VIOLATIONDATA_RACE (7 of 30 remaining) [2022-11-22 01:46:56,949 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (6 of 30 remaining) [2022-11-22 01:46:56,949 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE (5 of 30 remaining) [2022-11-22 01:46:56,949 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr2ASSERT_VIOLATIONDATA_RACE (4 of 30 remaining) [2022-11-22 01:46:56,949 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr3ASSERT_VIOLATIONDATA_RACE (3 of 30 remaining) [2022-11-22 01:46:56,950 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr4ASSERT_VIOLATIONDATA_RACE (2 of 30 remaining) [2022-11-22 01:46:56,950 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr5ASSERT_VIOLATIONDATA_RACE (1 of 30 remaining) [2022-11-22 01:46:56,950 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr6ASSERT_VIOLATIONDATA_RACE (0 of 30 remaining) [2022-11-22 01:46:56,950 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2022-11-22 01:46:56,952 INFO L444 BasicCegarLoop]: Path program histogram: [13, 5, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 01:46:56,957 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-11-22 01:46:56,957 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-22 01:46:56,959 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.11 01:46:56 BasicIcfg [2022-11-22 01:46:56,959 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-22 01:46:56,960 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-22 01:46:56,960 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-22 01:46:56,960 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-22 01:46:56,961 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 01:36:57" (3/4) ... [2022-11-22 01:46:56,963 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-22 01:46:56,971 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure t_fun [2022-11-22 01:46:56,977 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2022-11-22 01:46:56,977 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2022-11-22 01:46:56,977 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-11-22 01:46:57,035 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_108acfd6-a8e3-44f2-9915-89f76c733b99/bin/utaipan-g80aRyZoba/witness.graphml [2022-11-22 01:46:57,036 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-22 01:46:57,045 INFO L158 Benchmark]: Toolchain (without parser) took 601620.58ms. Allocated memory was 151.0MB in the beginning and 293.6MB in the end (delta: 142.6MB). Free memory was 107.2MB in the beginning and 165.3MB in the end (delta: -58.1MB). Peak memory consumption was 85.6MB. Max. memory is 16.1GB. [2022-11-22 01:46:57,046 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 151.0MB. Free memory was 120.8MB in the beginning and 120.7MB in the end (delta: 85.7kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-22 01:46:57,046 INFO L158 Benchmark]: CACSL2BoogieTranslator took 815.56ms. Allocated memory is still 151.0MB. Free memory was 106.8MB in the beginning and 67.8MB in the end (delta: 39.0MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. [2022-11-22 01:46:57,046 INFO L158 Benchmark]: Boogie Procedure Inliner took 105.58ms. Allocated memory is still 151.0MB. Free memory was 67.8MB in the beginning and 64.1MB in the end (delta: 3.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-22 01:46:57,046 INFO L158 Benchmark]: Boogie Preprocessor took 94.88ms. Allocated memory is still 151.0MB. Free memory was 64.1MB in the beginning and 61.2MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-22 01:46:57,049 INFO L158 Benchmark]: RCFGBuilder took 874.78ms. Allocated memory is still 151.0MB. Free memory was 61.1MB in the beginning and 104.4MB in the end (delta: -43.3MB). Peak memory consumption was 22.4MB. Max. memory is 16.1GB. [2022-11-22 01:46:57,050 INFO L158 Benchmark]: TraceAbstraction took 599646.86ms. Allocated memory was 151.0MB in the beginning and 293.6MB in the end (delta: 142.6MB). Free memory was 103.7MB in the beginning and 169.5MB in the end (delta: -65.8MB). Peak memory consumption was 77.8MB. Max. memory is 16.1GB. [2022-11-22 01:46:57,051 INFO L158 Benchmark]: Witness Printer took 75.95ms. Allocated memory is still 293.6MB. Free memory was 169.5MB in the beginning and 165.3MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-22 01:46:57,052 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 151.0MB. Free memory was 120.8MB in the beginning and 120.7MB in the end (delta: 85.7kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 815.56ms. Allocated memory is still 151.0MB. Free memory was 106.8MB in the beginning and 67.8MB in the end (delta: 39.0MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 105.58ms. Allocated memory is still 151.0MB. Free memory was 67.8MB in the beginning and 64.1MB in the end (delta: 3.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 94.88ms. Allocated memory is still 151.0MB. Free memory was 64.1MB in the beginning and 61.2MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 874.78ms. Allocated memory is still 151.0MB. Free memory was 61.1MB in the beginning and 104.4MB in the end (delta: -43.3MB). Peak memory consumption was 22.4MB. Max. memory is 16.1GB. * TraceAbstraction took 599646.86ms. Allocated memory was 151.0MB in the beginning and 293.6MB in the end (delta: 142.6MB). Free memory was 103.7MB in the beginning and 169.5MB in the end (delta: -65.8MB). Peak memory consumption was 77.8MB. Max. memory is 16.1GB. * Witness Printer took 75.95ms. Allocated memory is still 293.6MB. Free memory was 169.5MB in the beginning and 165.3MB 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: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 486.6s, 252 PlacesBefore, 76 PlacesAfterwards, 248 TransitionsBefore, 72 TransitionsAfterwards, 4828 CoEnabledTransitionPairs, 21 FixpointIterations, 178 TrivialSequentialCompositions, 88 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 266 TotalNumberOfCompositions, 60902 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 11202, independent: 8948, independent conditional: 0, independent unconditional: 8948, dependent: 2254, dependent conditional: 0, dependent unconditional: 2254, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 3264, independent: 3113, independent conditional: 0, independent unconditional: 3113, dependent: 151, dependent conditional: 0, dependent unconditional: 151, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 3264, independent: 2618, independent conditional: 0, independent unconditional: 2618, dependent: 646, dependent conditional: 0, dependent unconditional: 646, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 646, independent: 495, independent conditional: 0, independent unconditional: 495, dependent: 151, dependent conditional: 0, dependent unconditional: 151, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 849, independent: 445, independent conditional: 0, independent unconditional: 445, dependent: 404, dependent conditional: 0, dependent unconditional: 404, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 11202, independent: 5835, independent conditional: 0, independent unconditional: 5835, dependent: 2103, dependent conditional: 0, dependent unconditional: 2103, unknown: 3264, unknown conditional: 0, unknown unconditional: 3264] , Statistics on independence cache: Total cache size (in pairs): 380, Positive cache size: 288, Positive conditional cache size: 0, Positive unconditional cache size: 288, Negative cache size: 92, Negative conditional cache size: 0, Negative unconditional cache size: 92, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 1228]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1229]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1253]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1254]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1228]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1229]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1255]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1255]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1256]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1257]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1228]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1229]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1262]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1262]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1263]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1228]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1229]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1241]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1241]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1242]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1242]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1243]: 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 3 procedures, 322 locations, 30 error locations. Started 1 CEGAR loops. OverallTime: 599.5s, OverallIterations: 36, TraceHistogramMax: 1, PathProgramHistogramMax: 13, EmptinessCheckTime: 0.0s, AutomataDifference: 87.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 486.7s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 7163 SdHoareTripleChecker+Valid, 81.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 7163 mSDsluCounter, 1005 SdHoareTripleChecker+Invalid, 77.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 397 mSDsCounter, 2798 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 26589 IncrementalHoareTripleChecker+Invalid, 29387 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2798 mSolverCounterUnsat, 608 mSDtfsCounter, 26589 mSolverCounterSat, 0.2s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 509 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 489 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1247 ImplicationChecksByTransitivity, 8.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=901occurred in iteration=13, InterpolantAutomatonStates: 431, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.8s AutomataMinimizationTime, 36 MinimizatonAttempts, 12390 StatesRemovedByMinimization, 31 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 22.8s InterpolantComputationTime, 562 NumberOfCodeBlocks, 562 NumberOfCodeBlocksAsserted, 36 NumberOfCheckSat, 526 ConstructedInterpolants, 0 QuantifiedInterpolants, 10368 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 36 InterpolantComputations, 36 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 22 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-11-22 01:46:57,087 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_108acfd6-a8e3-44f2-9915-89f76c733b99/bin/utaipan-g80aRyZoba/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