./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/goblint-regression/04-mutex_46-escape_nr.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 8393723b Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8e63727-ddb9-4d6d-97b3-d6ad098d7757/bin/utaipan-I9t0OCRTmS/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8e63727-ddb9-4d6d-97b3-d6ad098d7757/bin/utaipan-I9t0OCRTmS/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8e63727-ddb9-4d6d-97b3-d6ad098d7757/bin/utaipan-I9t0OCRTmS/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8e63727-ddb9-4d6d-97b3-d6ad098d7757/bin/utaipan-I9t0OCRTmS/config/TaipanReach.xml -i ../../sv-benchmarks/c/goblint-regression/04-mutex_46-escape_nr.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8e63727-ddb9-4d6d-97b3-d6ad098d7757/bin/utaipan-I9t0OCRTmS/config/svcomp-DataRace-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8e63727-ddb9-4d6d-97b3-d6ad098d7757/bin/utaipan-I9t0OCRTmS --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 b71c523f20411078d17c9943b891d34ddfc00131917c4009fb579cdffacef23c --- 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-8393723 [2022-11-19 07:26:08,613 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-19 07:26:08,615 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-19 07:26:08,651 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-19 07:26:08,651 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-19 07:26:08,652 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-19 07:26:08,654 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-19 07:26:08,655 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-19 07:26:08,660 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-19 07:26:08,666 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-19 07:26:08,668 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-19 07:26:08,671 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-19 07:26:08,672 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-19 07:26:08,675 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-19 07:26:08,676 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-19 07:26:08,677 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-19 07:26:08,678 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-19 07:26:08,679 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-19 07:26:08,680 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-19 07:26:08,682 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-19 07:26:08,684 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-19 07:26:08,689 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-19 07:26:08,690 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-19 07:26:08,691 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-19 07:26:08,695 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-19 07:26:08,701 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-19 07:26:08,701 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-19 07:26:08,702 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-19 07:26:08,704 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-19 07:26:08,705 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-19 07:26:08,706 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-19 07:26:08,706 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-19 07:26:08,708 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-19 07:26:08,709 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-19 07:26:08,711 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-19 07:26:08,712 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-19 07:26:08,713 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-19 07:26:08,713 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-19 07:26:08,714 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-19 07:26:08,714 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-19 07:26:08,715 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-19 07:26:08,716 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8e63727-ddb9-4d6d-97b3-d6ad098d7757/bin/utaipan-I9t0OCRTmS/config/svcomp-DataRace-32bit-Taipan_Default.epf [2022-11-19 07:26:08,761 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-19 07:26:08,761 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-19 07:26:08,762 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-19 07:26:08,762 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-19 07:26:08,763 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-19 07:26:08,764 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-19 07:26:08,764 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-19 07:26:08,764 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-19 07:26:08,764 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-19 07:26:08,764 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-19 07:26:08,766 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-19 07:26:08,766 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-19 07:26:08,766 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-19 07:26:08,766 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-19 07:26:08,767 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-19 07:26:08,767 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-19 07:26:08,767 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-19 07:26:08,767 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-19 07:26:08,768 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-19 07:26:08,768 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-19 07:26:08,768 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-19 07:26:08,769 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-19 07:26:08,769 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-19 07:26:08,770 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-19 07:26:08,771 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-19 07:26:08,771 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-19 07:26:08,771 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-19 07:26:08,771 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-11-19 07:26:08,772 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-19 07:26:08,781 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-19 07:26:08,781 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-19 07:26:08,781 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-19 07:26:08,782 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-19 07:26:08,782 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-19 07:26:08,782 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-19 07:26:08,782 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-19 07:26:08,783 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-19 07:26:08,783 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-19 07:26:08,783 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-19 07:26:08,783 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-19 07:26:08,784 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-19 07:26:08,784 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-19 07:26:08,784 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-19 07:26:08,784 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_e8e63727-ddb9-4d6d-97b3-d6ad098d7757/bin/utaipan-I9t0OCRTmS/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8e63727-ddb9-4d6d-97b3-d6ad098d7757/bin/utaipan-I9t0OCRTmS Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b71c523f20411078d17c9943b891d34ddfc00131917c4009fb579cdffacef23c [2022-11-19 07:26:09,041 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-19 07:26:09,065 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-19 07:26:09,068 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-19 07:26:09,070 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-19 07:26:09,071 INFO L275 PluginConnector]: CDTParser initialized [2022-11-19 07:26:09,072 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8e63727-ddb9-4d6d-97b3-d6ad098d7757/bin/utaipan-I9t0OCRTmS/../../sv-benchmarks/c/goblint-regression/04-mutex_46-escape_nr.i [2022-11-19 07:26:09,153 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8e63727-ddb9-4d6d-97b3-d6ad098d7757/bin/utaipan-I9t0OCRTmS/data/83727fa7f/3dea3e1b3dbe49e7bd5eed367836967c/FLAGeec64a7dd [2022-11-19 07:26:09,843 INFO L306 CDTParser]: Found 1 translation units. [2022-11-19 07:26:09,843 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8e63727-ddb9-4d6d-97b3-d6ad098d7757/sv-benchmarks/c/goblint-regression/04-mutex_46-escape_nr.i [2022-11-19 07:26:09,886 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8e63727-ddb9-4d6d-97b3-d6ad098d7757/bin/utaipan-I9t0OCRTmS/data/83727fa7f/3dea3e1b3dbe49e7bd5eed367836967c/FLAGeec64a7dd [2022-11-19 07:26:10,040 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8e63727-ddb9-4d6d-97b3-d6ad098d7757/bin/utaipan-I9t0OCRTmS/data/83727fa7f/3dea3e1b3dbe49e7bd5eed367836967c [2022-11-19 07:26:10,043 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-19 07:26:10,044 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-19 07:26:10,046 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-19 07:26:10,046 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-19 07:26:10,050 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-19 07:26:10,051 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:26:10" (1/1) ... [2022-11-19 07:26:10,053 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3dad044d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:26:10, skipping insertion in model container [2022-11-19 07:26:10,054 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:26:10" (1/1) ... [2022-11-19 07:26:10,061 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-19 07:26:10,105 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-19 07:26:10,721 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-19 07:26:10,732 INFO L203 MainTranslator]: Completed pre-run [2022-11-19 07:26:10,779 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-19 07:26:10,838 INFO L208 MainTranslator]: Completed translation [2022-11-19 07:26:10,839 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:26:10 WrapperNode [2022-11-19 07:26:10,839 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-19 07:26:10,840 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-19 07:26:10,840 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-19 07:26:10,841 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-19 07:26:10,852 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:26:10" (1/1) ... [2022-11-19 07:26:10,879 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:26:10" (1/1) ... [2022-11-19 07:26:10,911 INFO L138 Inliner]: procedures = 263, calls = 27, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 84 [2022-11-19 07:26:10,912 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-19 07:26:10,913 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-19 07:26:10,913 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-19 07:26:10,913 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-19 07:26:10,922 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:26:10" (1/1) ... [2022-11-19 07:26:10,923 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:26:10" (1/1) ... [2022-11-19 07:26:10,927 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:26:10" (1/1) ... [2022-11-19 07:26:10,928 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:26:10" (1/1) ... [2022-11-19 07:26:10,938 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:26:10" (1/1) ... [2022-11-19 07:26:10,940 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:26:10" (1/1) ... [2022-11-19 07:26:10,942 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:26:10" (1/1) ... [2022-11-19 07:26:10,943 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:26:10" (1/1) ... [2022-11-19 07:26:10,946 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-19 07:26:10,947 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-19 07:26:10,947 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-19 07:26:10,948 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-19 07:26:10,949 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:26:10" (1/1) ... [2022-11-19 07:26:10,955 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-19 07:26:10,969 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8e63727-ddb9-4d6d-97b3-d6ad098d7757/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 07:26:10,983 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8e63727-ddb9-4d6d-97b3-d6ad098d7757/bin/utaipan-I9t0OCRTmS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-19 07:26:10,996 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8e63727-ddb9-4d6d-97b3-d6ad098d7757/bin/utaipan-I9t0OCRTmS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-19 07:26:11,026 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-19 07:26:11,027 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-19 07:26:11,027 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-19 07:26:11,027 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-19 07:26:11,027 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-11-19 07:26:11,027 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-19 07:26:11,028 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2022-11-19 07:26:11,028 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2022-11-19 07:26:11,028 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-19 07:26:11,028 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-19 07:26:11,028 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-19 07:26:11,030 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-19 07:26:11,203 INFO L235 CfgBuilder]: Building ICFG [2022-11-19 07:26:11,205 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-19 07:26:11,546 INFO L276 CfgBuilder]: Performing block encoding [2022-11-19 07:26:11,554 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-19 07:26:11,554 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-19 07:26:11,557 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:26:11 BoogieIcfgContainer [2022-11-19 07:26:11,557 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-19 07:26:11,559 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-19 07:26:11,560 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-19 07:26:11,563 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-19 07:26:11,564 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 07:26:10" (1/3) ... [2022-11-19 07:26:11,565 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@463ad4b4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:26:11, skipping insertion in model container [2022-11-19 07:26:11,565 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:26:10" (2/3) ... [2022-11-19 07:26:11,565 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@463ad4b4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:26:11, skipping insertion in model container [2022-11-19 07:26:11,565 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:26:11" (3/3) ... [2022-11-19 07:26:11,583 INFO L112 eAbstractionObserver]: Analyzing ICFG 04-mutex_46-escape_nr.i [2022-11-19 07:26:11,606 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-11-19 07:26:11,619 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-19 07:26:11,619 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2022-11-19 07:26:11,620 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-19 07:26:11,707 INFO L144 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2022-11-19 07:26:11,763 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-11-19 07:26:11,780 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 120 places, 117 transitions, 242 flow [2022-11-19 07:26:11,784 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 120 places, 117 transitions, 242 flow [2022-11-19 07:26:11,786 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 120 places, 117 transitions, 242 flow [2022-11-19 07:26:11,852 INFO L130 PetriNetUnfolder]: 1/116 cut-off events. [2022-11-19 07:26:11,852 INFO L131 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2022-11-19 07:26:11,857 INFO L83 FinitePrefix]: Finished finitePrefix Result has 121 conditions, 116 events. 1/116 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 93 event pairs, 0 based on Foata normal form. 0/109 useless extension candidates. Maximal degree in co-relation 6. Up to 2 conditions per place. [2022-11-19 07:26:11,859 INFO L119 LiptonReduction]: Number of co-enabled transitions 1612 [2022-11-19 07:26:17,534 INFO L134 LiptonReduction]: Checked pairs total: 12244 [2022-11-19 07:26:17,534 INFO L136 LiptonReduction]: Total number of compositions: 81 [2022-11-19 07:26:17,543 INFO L113 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 49 places, 46 transitions, 100 flow [2022-11-19 07:26:17,583 INFO L135 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 409 states, 397 states have (on average 1.9496221662468514) internal successors, (774), 408 states have internal predecessors, (774), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 07:26:17,603 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-19 07:26:17,619 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;@5b5a3a6e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-19 07:26:17,619 INFO L358 AbstractCegarLoop]: Starting to check reachability of 9 error locations. [2022-11-19 07:26:17,625 INFO L276 IsEmpty]: Start isEmpty. Operand has 409 states, 397 states have (on average 1.9496221662468514) internal successors, (774), 408 states have internal predecessors, (774), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 07:26:17,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2 [2022-11-19 07:26:17,632 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:26:17,632 INFO L195 NwaCegarLoop]: trace histogram [1] [2022-11-19 07:26:17,633 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2022-11-19 07:26:17,641 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:26:17,642 INFO L85 PathProgramCache]: Analyzing trace with hash 375, now seen corresponding path program 1 times [2022-11-19 07:26:17,653 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:26:17,653 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1622607911] [2022-11-19 07:26:17,654 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:26:17,654 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:26:17,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:26:17,795 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 07:26:17,797 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:26:17,797 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1622607911] [2022-11-19 07:26:17,798 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1622607911] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:26:17,798 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 07:26:17,799 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [0] imperfect sequences [] total 0 [2022-11-19 07:26:17,800 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [926527093] [2022-11-19 07:26:17,801 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:26:17,805 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-19 07:26:17,806 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:26:17,834 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-19 07:26:17,835 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-19 07:26:17,838 INFO L87 Difference]: Start difference. First operand has 409 states, 397 states have (on average 1.9496221662468514) internal successors, (774), 408 states have internal predecessors, (774), 0 states have call successors, (0), 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) [2022-11-19 07:26:17,912 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:26:17,916 INFO L93 Difference]: Finished difference Result 408 states and 773 transitions. [2022-11-19 07:26:17,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-19 07:26:17,919 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 [2022-11-19 07:26:17,919 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:26:17,940 INFO L225 Difference]: With dead ends: 408 [2022-11-19 07:26:17,940 INFO L226 Difference]: Without dead ends: 408 [2022-11-19 07:26:17,941 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 [2022-11-19 07:26:17,945 INFO L413 NwaCegarLoop]: 29 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 29 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-19 07:26:17,946 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 29 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-19 07:26:17,967 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 408 states. [2022-11-19 07:26:18,002 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 408 to 408. [2022-11-19 07:26:18,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 408 states, 397 states have (on average 1.9471032745591939) internal successors, (773), 407 states have internal predecessors, (773), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 07:26:18,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 408 states to 408 states and 773 transitions. [2022-11-19 07:26:18,009 INFO L78 Accepts]: Start accepts. Automaton has 408 states and 773 transitions. Word has length 1 [2022-11-19 07:26:18,009 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:26:18,009 INFO L495 AbstractCegarLoop]: Abstraction has 408 states and 773 transitions. [2022-11-19 07:26:18,010 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) [2022-11-19 07:26:18,010 INFO L276 IsEmpty]: Start isEmpty. Operand 408 states and 773 transitions. [2022-11-19 07:26:18,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-11-19 07:26:18,011 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:26:18,011 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 07:26:18,011 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-19 07:26:18,012 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2022-11-19 07:26:18,012 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:26:18,013 INFO L85 PathProgramCache]: Analyzing trace with hash -172546871, now seen corresponding path program 1 times [2022-11-19 07:26:18,013 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:26:18,013 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [269147643] [2022-11-19 07:26:18,013 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:26:18,014 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:26:18,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:26:18,551 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 07:26:18,551 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:26:18,552 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [269147643] [2022-11-19 07:26:18,553 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [269147643] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:26:18,556 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 07:26:18,557 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-19 07:26:18,557 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1085787478] [2022-11-19 07:26:18,557 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:26:18,566 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-19 07:26:18,572 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:26:18,572 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-19 07:26:18,573 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-19 07:26:18,573 INFO L87 Difference]: Start difference. First operand 408 states and 773 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) [2022-11-19 07:26:18,781 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:26:18,782 INFO L93 Difference]: Finished difference Result 440 states and 831 transitions. [2022-11-19 07:26:18,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-19 07:26:18,782 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 [2022-11-19 07:26:18,783 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:26:18,785 INFO L225 Difference]: With dead ends: 440 [2022-11-19 07:26:18,785 INFO L226 Difference]: Without dead ends: 440 [2022-11-19 07:26:18,786 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 [2022-11-19 07:26:18,788 INFO L413 NwaCegarLoop]: 18 mSDtfsCounter, 32 mSDsluCounter, 3 mSDsCounter, 0 mSdLazyCounter, 113 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 32 SdHoareTripleChecker+Valid, 21 SdHoareTripleChecker+Invalid, 139 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 113 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-19 07:26:18,789 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [32 Valid, 21 Invalid, 139 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 113 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-19 07:26:18,793 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 440 states. [2022-11-19 07:26:18,822 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 440 to 426. [2022-11-19 07:26:18,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 426 states, 416 states have (on average 1.9350961538461537) internal successors, (805), 425 states have internal predecessors, (805), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 07:26:18,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 426 states to 426 states and 805 transitions. [2022-11-19 07:26:18,830 INFO L78 Accepts]: Start accepts. Automaton has 426 states and 805 transitions. Word has length 9 [2022-11-19 07:26:18,830 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:26:18,830 INFO L495 AbstractCegarLoop]: Abstraction has 426 states and 805 transitions. [2022-11-19 07:26:18,832 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) [2022-11-19 07:26:18,833 INFO L276 IsEmpty]: Start isEmpty. Operand 426 states and 805 transitions. [2022-11-19 07:26:18,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-11-19 07:26:18,834 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:26:18,834 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 07:26:18,834 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-19 07:26:18,836 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2022-11-19 07:26:18,837 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:26:18,837 INFO L85 PathProgramCache]: Analyzing trace with hash 248839504, now seen corresponding path program 1 times [2022-11-19 07:26:18,837 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:26:18,837 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [498934146] [2022-11-19 07:26:18,838 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:26:18,838 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:26:18,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:26:19,154 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 07:26:19,154 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:26:19,154 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [498934146] [2022-11-19 07:26:19,154 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [498934146] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:26:19,155 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 07:26:19,155 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-19 07:26:19,155 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [208958507] [2022-11-19 07:26:19,155 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:26:19,155 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-19 07:26:19,156 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:26:19,156 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-19 07:26:19,156 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-19 07:26:19,157 INFO L87 Difference]: Start difference. First operand 426 states and 805 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) [2022-11-19 07:26:19,487 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:26:19,487 INFO L93 Difference]: Finished difference Result 501 states and 949 transitions. [2022-11-19 07:26:19,489 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-19 07:26:19,490 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 [2022-11-19 07:26:19,490 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:26:19,493 INFO L225 Difference]: With dead ends: 501 [2022-11-19 07:26:19,493 INFO L226 Difference]: Without dead ends: 501 [2022-11-19 07:26:19,494 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 [2022-11-19 07:26:19,495 INFO L413 NwaCegarLoop]: 33 mSDtfsCounter, 46 mSDsluCounter, 10 mSDsCounter, 0 mSdLazyCounter, 217 mSolverCounterSat, 40 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 46 SdHoareTripleChecker+Valid, 43 SdHoareTripleChecker+Invalid, 257 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 40 IncrementalHoareTripleChecker+Valid, 217 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-19 07:26:19,495 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [46 Valid, 43 Invalid, 257 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [40 Valid, 217 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-19 07:26:19,497 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 501 states. [2022-11-19 07:26:19,506 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 501 to 473. [2022-11-19 07:26:19,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 473 states, 463 states have (on average 1.9330453563714902) internal successors, (895), 472 states have internal predecessors, (895), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 07:26:19,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 473 states to 473 states and 895 transitions. [2022-11-19 07:26:19,528 INFO L78 Accepts]: Start accepts. Automaton has 473 states and 895 transitions. Word has length 9 [2022-11-19 07:26:19,528 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:26:19,528 INFO L495 AbstractCegarLoop]: Abstraction has 473 states and 895 transitions. [2022-11-19 07:26:19,528 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) [2022-11-19 07:26:19,528 INFO L276 IsEmpty]: Start isEmpty. Operand 473 states and 895 transitions. [2022-11-19 07:26:19,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-11-19 07:26:19,530 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:26:19,530 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 07:26:19,530 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-19 07:26:19,530 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2022-11-19 07:26:19,531 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:26:19,531 INFO L85 PathProgramCache]: Analyzing trace with hash -1801702231, now seen corresponding path program 1 times [2022-11-19 07:26:19,531 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:26:19,531 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1170009691] [2022-11-19 07:26:19,531 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:26:19,532 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:26:19,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:26:19,823 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 07:26:19,823 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:26:19,824 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1170009691] [2022-11-19 07:26:19,824 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1170009691] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:26:19,824 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 07:26:19,824 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-19 07:26:19,824 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [109370319] [2022-11-19 07:26:19,824 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:26:19,825 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-19 07:26:19,825 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:26:19,825 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-19 07:26:19,826 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-19 07:26:19,826 INFO L87 Difference]: Start difference. First operand 473 states and 895 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) [2022-11-19 07:26:20,029 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:26:20,029 INFO L93 Difference]: Finished difference Result 542 states and 1028 transitions. [2022-11-19 07:26:20,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-19 07:26:20,030 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 [2022-11-19 07:26:20,030 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:26:20,034 INFO L225 Difference]: With dead ends: 542 [2022-11-19 07:26:20,034 INFO L226 Difference]: Without dead ends: 542 [2022-11-19 07:26:20,035 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 [2022-11-19 07:26:20,037 INFO L413 NwaCegarLoop]: 33 mSDtfsCounter, 35 mSDsluCounter, 11 mSDsCounter, 0 mSdLazyCounter, 167 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 35 SdHoareTripleChecker+Valid, 44 SdHoareTripleChecker+Invalid, 176 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 167 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-19 07:26:20,040 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [35 Valid, 44 Invalid, 176 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 167 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-19 07:26:20,043 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 542 states. [2022-11-19 07:26:20,055 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 542 to 525. [2022-11-19 07:26:20,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 525 states, 515 states have (on average 1.9320388349514563) internal successors, (995), 524 states have internal predecessors, (995), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 07:26:20,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 525 states to 525 states and 995 transitions. [2022-11-19 07:26:20,059 INFO L78 Accepts]: Start accepts. Automaton has 525 states and 995 transitions. Word has length 15 [2022-11-19 07:26:20,060 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:26:20,060 INFO L495 AbstractCegarLoop]: Abstraction has 525 states and 995 transitions. [2022-11-19 07:26:20,060 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) [2022-11-19 07:26:20,061 INFO L276 IsEmpty]: Start isEmpty. Operand 525 states and 995 transitions. [2022-11-19 07:26:20,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-11-19 07:26:20,070 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:26:20,070 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 07:26:20,070 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-19 07:26:20,071 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2022-11-19 07:26:20,072 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:26:20,072 INFO L85 PathProgramCache]: Analyzing trace with hash 1564845071, now seen corresponding path program 1 times [2022-11-19 07:26:20,072 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:26:20,072 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [789729604] [2022-11-19 07:26:20,072 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:26:20,073 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:26:20,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:26:20,308 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 07:26:20,309 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:26:20,309 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [789729604] [2022-11-19 07:26:20,309 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [789729604] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:26:20,309 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 07:26:20,310 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-19 07:26:20,311 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1775893221] [2022-11-19 07:26:20,312 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:26:20,312 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-19 07:26:20,316 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:26:20,317 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-19 07:26:20,317 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-19 07:26:20,317 INFO L87 Difference]: Start difference. First operand 525 states and 995 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) [2022-11-19 07:26:20,558 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:26:20,558 INFO L93 Difference]: Finished difference Result 604 states and 1148 transitions. [2022-11-19 07:26:20,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-19 07:26:20,559 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 [2022-11-19 07:26:20,559 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:26:20,560 INFO L225 Difference]: With dead ends: 604 [2022-11-19 07:26:20,560 INFO L226 Difference]: Without dead ends: 591 [2022-11-19 07:26:20,561 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 [2022-11-19 07:26:20,561 INFO L413 NwaCegarLoop]: 34 mSDtfsCounter, 44 mSDsluCounter, 8 mSDsCounter, 0 mSdLazyCounter, 215 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 44 SdHoareTripleChecker+Valid, 42 SdHoareTripleChecker+Invalid, 221 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 215 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-19 07:26:20,561 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [44 Valid, 42 Invalid, 221 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 215 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-19 07:26:20,563 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 591 states. [2022-11-19 07:26:20,574 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 591 to 591. [2022-11-19 07:26:20,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 591 states, 581 states have (on average 1.9311531841652323) internal successors, (1122), 590 states have internal predecessors, (1122), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 07:26:20,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 591 states to 591 states and 1122 transitions. [2022-11-19 07:26:20,578 INFO L78 Accepts]: Start accepts. Automaton has 591 states and 1122 transitions. Word has length 15 [2022-11-19 07:26:20,578 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:26:20,578 INFO L495 AbstractCegarLoop]: Abstraction has 591 states and 1122 transitions. [2022-11-19 07:26:20,578 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) [2022-11-19 07:26:20,578 INFO L276 IsEmpty]: Start isEmpty. Operand 591 states and 1122 transitions. [2022-11-19 07:26:20,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-19 07:26:20,579 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:26:20,579 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 07:26:20,580 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-19 07:26:20,580 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2022-11-19 07:26:20,580 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:26:20,580 INFO L85 PathProgramCache]: Analyzing trace with hash 2121102657, now seen corresponding path program 1 times [2022-11-19 07:26:20,581 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:26:20,581 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1084674571] [2022-11-19 07:26:20,581 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:26:20,581 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:26:20,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:26:20,639 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 07:26:20,640 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:26:20,640 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1084674571] [2022-11-19 07:26:20,640 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1084674571] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:26:20,640 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 07:26:20,640 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-19 07:26:20,641 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1965046227] [2022-11-19 07:26:20,641 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:26:20,641 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-19 07:26:20,641 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:26:20,643 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-19 07:26:20,643 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 07:26:20,643 INFO L87 Difference]: Start difference. First operand 591 states and 1122 transitions. Second operand has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 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) [2022-11-19 07:26:20,664 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:26:20,664 INFO L93 Difference]: Finished difference Result 178 states and 286 transitions. [2022-11-19 07:26:20,664 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-19 07:26:20,665 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 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 [2022-11-19 07:26:20,665 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:26:20,666 INFO L225 Difference]: With dead ends: 178 [2022-11-19 07:26:20,666 INFO L226 Difference]: Without dead ends: 178 [2022-11-19 07:26:20,667 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 [2022-11-19 07:26:20,668 INFO L413 NwaCegarLoop]: 32 mSDtfsCounter, 32 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 32 SdHoareTripleChecker+Valid, 38 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-19 07:26:20,669 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [32 Valid, 38 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-19 07:26:20,670 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 178 states. [2022-11-19 07:26:20,673 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 178 to 178. [2022-11-19 07:26:20,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 178 states, 175 states have (on average 1.6342857142857143) internal successors, (286), 177 states have internal predecessors, (286), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 07:26:20,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 178 states and 286 transitions. [2022-11-19 07:26:20,674 INFO L78 Accepts]: Start accepts. Automaton has 178 states and 286 transitions. Word has length 18 [2022-11-19 07:26:20,675 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:26:20,675 INFO L495 AbstractCegarLoop]: Abstraction has 178 states and 286 transitions. [2022-11-19 07:26:20,675 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 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) [2022-11-19 07:26:20,676 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 286 transitions. [2022-11-19 07:26:20,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-11-19 07:26:20,677 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:26:20,677 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] [2022-11-19 07:26:20,677 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-19 07:26:20,677 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2022-11-19 07:26:20,678 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:26:20,678 INFO L85 PathProgramCache]: Analyzing trace with hash 952872737, now seen corresponding path program 1 times [2022-11-19 07:26:20,678 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:26:20,678 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1216979963] [2022-11-19 07:26:20,679 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:26:20,679 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:26:20,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:26:20,989 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 07:26:20,989 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:26:20,989 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1216979963] [2022-11-19 07:26:20,990 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1216979963] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:26:20,990 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 07:26:20,990 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-19 07:26:20,990 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1516375075] [2022-11-19 07:26:20,990 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:26:20,991 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-19 07:26:20,991 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:26:20,991 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-19 07:26:20,992 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-19 07:26:20,992 INFO L87 Difference]: Start difference. First operand 178 states and 286 transitions. Second operand has 6 states, 5 states have (on average 4.4) internal successors, (22), 6 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 07:26:21,230 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:26:21,231 INFO L93 Difference]: Finished difference Result 200 states and 319 transitions. [2022-11-19 07:26:21,231 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-19 07:26:21,232 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 4.4) internal successors, (22), 6 states have internal predecessors, (22), 0 states have call successors, (0), 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 22 [2022-11-19 07:26:21,232 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:26:21,233 INFO L225 Difference]: With dead ends: 200 [2022-11-19 07:26:21,233 INFO L226 Difference]: Without dead ends: 161 [2022-11-19 07:26:21,233 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 [2022-11-19 07:26:21,234 INFO L413 NwaCegarLoop]: 31 mSDtfsCounter, 28 mSDsluCounter, 12 mSDsCounter, 0 mSdLazyCounter, 196 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 28 SdHoareTripleChecker+Valid, 43 SdHoareTripleChecker+Invalid, 219 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 196 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-19 07:26:21,234 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [28 Valid, 43 Invalid, 219 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 196 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-19 07:26:21,235 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 161 states. [2022-11-19 07:26:21,239 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 161 to 157. [2022-11-19 07:26:21,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 157 states, 154 states have (on average 1.7272727272727273) internal successors, (266), 156 states have internal predecessors, (266), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 07:26:21,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 157 states and 266 transitions. [2022-11-19 07:26:21,241 INFO L78 Accepts]: Start accepts. Automaton has 157 states and 266 transitions. Word has length 22 [2022-11-19 07:26:21,241 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:26:21,241 INFO L495 AbstractCegarLoop]: Abstraction has 157 states and 266 transitions. [2022-11-19 07:26:21,241 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 4.4) internal successors, (22), 6 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 07:26:21,241 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 266 transitions. [2022-11-19 07:26:21,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-11-19 07:26:21,242 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:26:21,243 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] [2022-11-19 07:26:21,243 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-19 07:26:21,243 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2022-11-19 07:26:21,243 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:26:21,244 INFO L85 PathProgramCache]: Analyzing trace with hash 1908701124, now seen corresponding path program 1 times [2022-11-19 07:26:21,244 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:26:21,244 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1135509238] [2022-11-19 07:26:21,244 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:26:21,244 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:26:21,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:26:21,903 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 07:26:21,903 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:26:21,903 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1135509238] [2022-11-19 07:26:21,903 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1135509238] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:26:21,903 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 07:26:21,905 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-11-19 07:26:21,906 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [579605457] [2022-11-19 07:26:21,906 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:26:21,906 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-11-19 07:26:21,906 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:26:21,907 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-11-19 07:26:21,907 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2022-11-19 07:26:21,907 INFO L87 Difference]: Start difference. First operand 157 states and 266 transitions. Second operand has 11 states, 10 states have (on average 3.1) internal successors, (31), 10 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 07:26:22,471 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:26:22,471 INFO L93 Difference]: Finished difference Result 175 states and 282 transitions. [2022-11-19 07:26:22,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-19 07:26:22,472 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 3.1) internal successors, (31), 10 states have internal predecessors, (31), 0 states have call successors, (0), 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 31 [2022-11-19 07:26:22,472 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:26:22,473 INFO L225 Difference]: With dead ends: 175 [2022-11-19 07:26:22,473 INFO L226 Difference]: Without dead ends: 160 [2022-11-19 07:26:22,474 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=85, Invalid=155, Unknown=0, NotChecked=0, Total=240 [2022-11-19 07:26:22,474 INFO L413 NwaCegarLoop]: 16 mSDtfsCounter, 129 mSDsluCounter, 24 mSDsCounter, 0 mSdLazyCounter, 426 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 129 SdHoareTripleChecker+Valid, 40 SdHoareTripleChecker+Invalid, 461 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 426 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-19 07:26:22,474 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [129 Valid, 40 Invalid, 461 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 426 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-11-19 07:26:22,475 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 160 states. [2022-11-19 07:26:22,478 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 160 to 156. [2022-11-19 07:26:22,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 156 states, 153 states have (on average 1.7254901960784315) internal successors, (264), 155 states have internal predecessors, (264), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 07:26:22,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 156 states and 264 transitions. [2022-11-19 07:26:22,479 INFO L78 Accepts]: Start accepts. Automaton has 156 states and 264 transitions. Word has length 31 [2022-11-19 07:26:22,479 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:26:22,479 INFO L495 AbstractCegarLoop]: Abstraction has 156 states and 264 transitions. [2022-11-19 07:26:22,479 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 3.1) internal successors, (31), 10 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 07:26:22,479 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 264 transitions. [2022-11-19 07:26:22,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-11-19 07:26:22,480 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:26:22,480 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] [2022-11-19 07:26:22,480 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-19 07:26:22,480 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2022-11-19 07:26:22,481 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:26:22,481 INFO L85 PathProgramCache]: Analyzing trace with hash -414736898, now seen corresponding path program 2 times [2022-11-19 07:26:22,481 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:26:22,481 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [875942367] [2022-11-19 07:26:22,482 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:26:22,483 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:26:22,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:26:23,073 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 07:26:23,073 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:26:23,073 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [875942367] [2022-11-19 07:26:23,073 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [875942367] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:26:23,073 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 07:26:23,073 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-11-19 07:26:23,074 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2131442965] [2022-11-19 07:26:23,074 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:26:23,074 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-11-19 07:26:23,074 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:26:23,074 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-11-19 07:26:23,075 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2022-11-19 07:26:23,075 INFO L87 Difference]: Start difference. First operand 156 states and 264 transitions. Second operand has 11 states, 10 states have (on average 3.1) internal successors, (31), 10 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 07:26:23,596 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:26:23,596 INFO L93 Difference]: Finished difference Result 198 states and 321 transitions. [2022-11-19 07:26:23,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-19 07:26:23,597 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 3.1) internal successors, (31), 10 states have internal predecessors, (31), 0 states have call successors, (0), 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 31 [2022-11-19 07:26:23,597 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:26:23,598 INFO L225 Difference]: With dead ends: 198 [2022-11-19 07:26:23,598 INFO L226 Difference]: Without dead ends: 182 [2022-11-19 07:26:23,598 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=93, Invalid=179, Unknown=0, NotChecked=0, Total=272 [2022-11-19 07:26:23,599 INFO L413 NwaCegarLoop]: 14 mSDtfsCounter, 129 mSDsluCounter, 12 mSDsCounter, 0 mSdLazyCounter, 310 mSolverCounterSat, 68 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 129 SdHoareTripleChecker+Valid, 26 SdHoareTripleChecker+Invalid, 378 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 68 IncrementalHoareTripleChecker+Valid, 310 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-19 07:26:23,599 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [129 Valid, 26 Invalid, 378 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [68 Valid, 310 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-19 07:26:23,600 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 182 states. [2022-11-19 07:26:23,605 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 182 to 171. [2022-11-19 07:26:23,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 171 states, 168 states have (on average 1.6964285714285714) internal successors, (285), 170 states have internal predecessors, (285), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 07:26:23,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 171 states and 285 transitions. [2022-11-19 07:26:23,607 INFO L78 Accepts]: Start accepts. Automaton has 171 states and 285 transitions. Word has length 31 [2022-11-19 07:26:23,607 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:26:23,608 INFO L495 AbstractCegarLoop]: Abstraction has 171 states and 285 transitions. [2022-11-19 07:26:23,608 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 3.1) internal successors, (31), 10 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 07:26:23,608 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 285 transitions. [2022-11-19 07:26:23,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-11-19 07:26:23,611 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:26:23,611 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] [2022-11-19 07:26:23,612 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-11-19 07:26:23,612 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2022-11-19 07:26:23,612 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:26:23,612 INFO L85 PathProgramCache]: Analyzing trace with hash 1696517188, now seen corresponding path program 3 times [2022-11-19 07:26:23,613 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:26:23,613 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [391044920] [2022-11-19 07:26:23,613 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:26:23,613 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:26:23,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:26:24,103 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 07:26:24,103 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:26:24,103 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [391044920] [2022-11-19 07:26:24,104 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [391044920] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:26:24,104 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 07:26:24,104 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-11-19 07:26:24,104 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2088408823] [2022-11-19 07:26:24,104 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:26:24,104 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-11-19 07:26:24,105 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:26:24,105 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-11-19 07:26:24,105 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2022-11-19 07:26:24,105 INFO L87 Difference]: Start difference. First operand 171 states and 285 transitions. Second operand has 11 states, 10 states have (on average 3.1) internal successors, (31), 10 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 07:26:24,710 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:26:24,710 INFO L93 Difference]: Finished difference Result 234 states and 382 transitions. [2022-11-19 07:26:24,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-19 07:26:24,711 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 3.1) internal successors, (31), 10 states have internal predecessors, (31), 0 states have call successors, (0), 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 31 [2022-11-19 07:26:24,711 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:26:24,712 INFO L225 Difference]: With dead ends: 234 [2022-11-19 07:26:24,712 INFO L226 Difference]: Without dead ends: 216 [2022-11-19 07:26:24,712 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=90, Invalid=182, Unknown=0, NotChecked=0, Total=272 [2022-11-19 07:26:24,713 INFO L413 NwaCegarLoop]: 12 mSDtfsCounter, 146 mSDsluCounter, 8 mSDsCounter, 0 mSdLazyCounter, 445 mSolverCounterSat, 56 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 146 SdHoareTripleChecker+Valid, 20 SdHoareTripleChecker+Invalid, 501 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 56 IncrementalHoareTripleChecker+Valid, 445 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-19 07:26:24,713 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [146 Valid, 20 Invalid, 501 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [56 Valid, 445 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-11-19 07:26:24,714 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 216 states. [2022-11-19 07:26:24,717 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 216 to 186. [2022-11-19 07:26:24,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 186 states, 183 states have (on average 1.715846994535519) internal successors, (314), 185 states have internal predecessors, (314), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 07:26:24,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 186 states and 314 transitions. [2022-11-19 07:26:24,719 INFO L78 Accepts]: Start accepts. Automaton has 186 states and 314 transitions. Word has length 31 [2022-11-19 07:26:24,719 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:26:24,719 INFO L495 AbstractCegarLoop]: Abstraction has 186 states and 314 transitions. [2022-11-19 07:26:24,720 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 3.1) internal successors, (31), 10 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 07:26:24,720 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 314 transitions. [2022-11-19 07:26:24,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-11-19 07:26:24,721 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:26:24,721 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] [2022-11-19 07:26:24,721 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-11-19 07:26:24,721 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2022-11-19 07:26:24,722 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:26:24,722 INFO L85 PathProgramCache]: Analyzing trace with hash -1652410600, now seen corresponding path program 4 times [2022-11-19 07:26:24,722 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:26:24,722 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1745945818] [2022-11-19 07:26:24,722 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:26:24,723 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:26:24,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:26:25,235 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 07:26:25,235 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:26:25,236 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1745945818] [2022-11-19 07:26:25,236 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1745945818] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:26:25,236 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 07:26:25,236 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-11-19 07:26:25,236 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [188903381] [2022-11-19 07:26:25,236 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:26:25,237 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-11-19 07:26:25,237 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:26:25,237 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-11-19 07:26:25,237 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2022-11-19 07:26:25,238 INFO L87 Difference]: Start difference. First operand 186 states and 314 transitions. Second operand has 11 states, 10 states have (on average 3.1) internal successors, (31), 10 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 07:26:25,786 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:26:25,787 INFO L93 Difference]: Finished difference Result 270 states and 451 transitions. [2022-11-19 07:26:25,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-19 07:26:25,787 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 3.1) internal successors, (31), 10 states have internal predecessors, (31), 0 states have call successors, (0), 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 31 [2022-11-19 07:26:25,787 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:26:25,789 INFO L225 Difference]: With dead ends: 270 [2022-11-19 07:26:25,789 INFO L226 Difference]: Without dead ends: 250 [2022-11-19 07:26:25,789 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=89, Invalid=183, Unknown=0, NotChecked=0, Total=272 [2022-11-19 07:26:25,790 INFO L413 NwaCegarLoop]: 10 mSDtfsCounter, 92 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 373 mSolverCounterSat, 55 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 92 SdHoareTripleChecker+Valid, 14 SdHoareTripleChecker+Invalid, 428 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 55 IncrementalHoareTripleChecker+Valid, 373 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-19 07:26:25,790 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [92 Valid, 14 Invalid, 428 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [55 Valid, 373 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-11-19 07:26:25,791 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 250 states. [2022-11-19 07:26:25,794 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 250 to 201. [2022-11-19 07:26:25,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 201 states, 198 states have (on average 1.7323232323232323) internal successors, (343), 200 states have internal predecessors, (343), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 07:26:25,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 201 states and 343 transitions. [2022-11-19 07:26:25,795 INFO L78 Accepts]: Start accepts. Automaton has 201 states and 343 transitions. Word has length 31 [2022-11-19 07:26:25,796 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:26:25,796 INFO L495 AbstractCegarLoop]: Abstraction has 201 states and 343 transitions. [2022-11-19 07:26:25,796 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 3.1) internal successors, (31), 10 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 07:26:25,796 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 343 transitions. [2022-11-19 07:26:25,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-11-19 07:26:25,797 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:26:25,797 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] [2022-11-19 07:26:25,797 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-11-19 07:26:25,798 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2022-11-19 07:26:25,798 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:26:25,798 INFO L85 PathProgramCache]: Analyzing trace with hash -1323319612, now seen corresponding path program 5 times [2022-11-19 07:26:25,798 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:26:25,798 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1928549265] [2022-11-19 07:26:25,799 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:26:25,799 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:26:25,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:26:26,231 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 07:26:26,231 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:26:26,231 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1928549265] [2022-11-19 07:26:26,232 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1928549265] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:26:26,232 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 07:26:26,232 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-11-19 07:26:26,232 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [725715256] [2022-11-19 07:26:26,232 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:26:26,232 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-11-19 07:26:26,232 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:26:26,233 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-11-19 07:26:26,233 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=78, Unknown=0, NotChecked=0, Total=110 [2022-11-19 07:26:26,233 INFO L87 Difference]: Start difference. First operand 201 states and 343 transitions. Second operand has 11 states, 10 states have (on average 3.1) internal successors, (31), 10 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 07:26:26,607 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:26:26,607 INFO L93 Difference]: Finished difference Result 196 states and 331 transitions. [2022-11-19 07:26:26,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-19 07:26:26,608 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 3.1) internal successors, (31), 10 states have internal predecessors, (31), 0 states have call successors, (0), 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 31 [2022-11-19 07:26:26,608 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:26:26,609 INFO L225 Difference]: With dead ends: 196 [2022-11-19 07:26:26,609 INFO L226 Difference]: Without dead ends: 176 [2022-11-19 07:26:26,609 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=83, Invalid=157, Unknown=0, NotChecked=0, Total=240 [2022-11-19 07:26:26,610 INFO L413 NwaCegarLoop]: 0 mSDtfsCounter, 113 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 338 mSolverCounterSat, 39 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 113 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 377 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 39 IncrementalHoareTripleChecker+Valid, 338 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-19 07:26:26,610 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [113 Valid, 0 Invalid, 377 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [39 Valid, 338 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-19 07:26:26,611 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 176 states. [2022-11-19 07:26:26,613 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 176 to 106. [2022-11-19 07:26:26,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 106 states, 105 states have (on average 1.638095238095238) internal successors, (172), 105 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 07:26:26,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 106 states and 172 transitions. [2022-11-19 07:26:26,614 INFO L78 Accepts]: Start accepts. Automaton has 106 states and 172 transitions. Word has length 31 [2022-11-19 07:26:26,615 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:26:26,615 INFO L495 AbstractCegarLoop]: Abstraction has 106 states and 172 transitions. [2022-11-19 07:26:26,615 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 3.1) internal successors, (31), 10 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 07:26:26,615 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 172 transitions. [2022-11-19 07:26:26,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-11-19 07:26:26,616 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:26:26,616 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] [2022-11-19 07:26:26,616 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-11-19 07:26:26,616 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2022-11-19 07:26:26,617 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:26:26,617 INFO L85 PathProgramCache]: Analyzing trace with hash 1173592678, now seen corresponding path program 1 times [2022-11-19 07:26:26,617 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:26:26,617 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2034828141] [2022-11-19 07:26:26,617 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:26:26,618 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:26:26,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:26:26,989 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 07:26:26,990 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:26:26,990 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2034828141] [2022-11-19 07:26:26,990 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2034828141] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:26:26,990 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 07:26:26,990 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-11-19 07:26:26,990 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [884159176] [2022-11-19 07:26:26,991 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:26:26,991 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-11-19 07:26:26,991 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:26:26,991 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-11-19 07:26:26,992 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2022-11-19 07:26:26,992 INFO L87 Difference]: Start difference. First operand 106 states and 172 transitions. Second operand has 11 states, 10 states have (on average 3.1) internal successors, (31), 10 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 07:26:27,259 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:26:27,259 INFO L93 Difference]: Finished difference Result 101 states and 163 transitions. [2022-11-19 07:26:27,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-19 07:26:27,259 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 3.1) internal successors, (31), 10 states have internal predecessors, (31), 0 states have call successors, (0), 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 31 [2022-11-19 07:26:27,260 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:26:27,260 INFO L225 Difference]: With dead ends: 101 [2022-11-19 07:26:27,260 INFO L226 Difference]: Without dead ends: 0 [2022-11-19 07:26:27,260 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=83, Invalid=157, Unknown=0, NotChecked=0, Total=240 [2022-11-19 07:26:27,261 INFO L413 NwaCegarLoop]: 0 mSDtfsCounter, 100 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 263 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 100 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 286 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 263 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-19 07:26:27,261 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [100 Valid, 0 Invalid, 286 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 263 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-19 07:26:27,261 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-19 07:26:27,262 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-19 07:26:27,262 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) [2022-11-19 07:26:27,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-19 07:26:27,262 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 31 [2022-11-19 07:26:27,262 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:26:27,262 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-19 07:26:27,262 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 3.1) internal successors, (31), 10 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 07:26:27,262 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-19 07:26:27,262 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-19 07:26:27,265 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (8 of 9 remaining) [2022-11-19 07:26:27,265 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (7 of 9 remaining) [2022-11-19 07:26:27,265 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (6 of 9 remaining) [2022-11-19 07:26:27,266 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (5 of 9 remaining) [2022-11-19 07:26:27,266 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (4 of 9 remaining) [2022-11-19 07:26:27,266 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (3 of 9 remaining) [2022-11-19 07:26:27,266 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE (2 of 9 remaining) [2022-11-19 07:26:27,266 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (1 of 9 remaining) [2022-11-19 07:26:27,266 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE (0 of 9 remaining) [2022-11-19 07:26:27,266 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-11-19 07:26:27,269 INFO L444 BasicCegarLoop]: Path program histogram: [5, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 07:26:27,274 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-11-19 07:26:27,274 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-19 07:26:27,277 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 07:26:27 BasicIcfg [2022-11-19 07:26:27,277 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-19 07:26:27,278 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-19 07:26:27,278 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-19 07:26:27,278 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-19 07:26:27,279 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:26:11" (3/4) ... [2022-11-19 07:26:27,281 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-19 07:26:27,288 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure t_fun [2022-11-19 07:26:27,293 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2022-11-19 07:26:27,293 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-11-19 07:26:27,293 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-11-19 07:26:27,327 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8e63727-ddb9-4d6d-97b3-d6ad098d7757/bin/utaipan-I9t0OCRTmS/witness.graphml [2022-11-19 07:26:27,327 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-19 07:26:27,328 INFO L158 Benchmark]: Toolchain (without parser) took 17283.82ms. Allocated memory was 117.4MB in the beginning and 272.6MB in the end (delta: 155.2MB). Free memory was 72.8MB in the beginning and 216.1MB in the end (delta: -143.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-19 07:26:27,328 INFO L158 Benchmark]: CDTParser took 0.24ms. Allocated memory is still 117.4MB. Free memory is still 91.4MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-19 07:26:27,329 INFO L158 Benchmark]: CACSL2BoogieTranslator took 793.37ms. Allocated memory is still 117.4MB. Free memory was 72.6MB in the beginning and 74.9MB in the end (delta: -2.2MB). Peak memory consumption was 6.5MB. Max. memory is 16.1GB. [2022-11-19 07:26:27,329 INFO L158 Benchmark]: Boogie Procedure Inliner took 71.89ms. Allocated memory is still 117.4MB. Free memory was 74.9MB in the beginning and 72.5MB in the end (delta: 2.4MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-19 07:26:27,329 INFO L158 Benchmark]: Boogie Preprocessor took 33.83ms. Allocated memory is still 117.4MB. Free memory was 72.5MB in the beginning and 70.4MB in the end (delta: 2.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-19 07:26:27,330 INFO L158 Benchmark]: RCFGBuilder took 609.97ms. Allocated memory is still 117.4MB. Free memory was 70.4MB in the beginning and 53.2MB in the end (delta: 17.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-11-19 07:26:27,330 INFO L158 Benchmark]: TraceAbstraction took 15718.00ms. Allocated memory was 117.4MB in the beginning and 272.6MB in the end (delta: 155.2MB). Free memory was 52.9MB in the beginning and 218.2MB in the end (delta: -165.4MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-19 07:26:27,330 INFO L158 Benchmark]: Witness Printer took 49.57ms. Allocated memory is still 272.6MB. Free memory was 218.2MB in the beginning and 216.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-19 07:26:27,332 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24ms. Allocated memory is still 117.4MB. Free memory is still 91.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 793.37ms. Allocated memory is still 117.4MB. Free memory was 72.6MB in the beginning and 74.9MB in the end (delta: -2.2MB). Peak memory consumption was 6.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 71.89ms. Allocated memory is still 117.4MB. Free memory was 74.9MB in the beginning and 72.5MB in the end (delta: 2.4MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 33.83ms. Allocated memory is still 117.4MB. Free memory was 72.5MB in the beginning and 70.4MB in the end (delta: 2.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 609.97ms. Allocated memory is still 117.4MB. Free memory was 70.4MB in the beginning and 53.2MB in the end (delta: 17.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 15718.00ms. Allocated memory was 117.4MB in the beginning and 272.6MB in the end (delta: 155.2MB). Free memory was 52.9MB in the beginning and 218.2MB in the end (delta: -165.4MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 49.57ms. Allocated memory is still 272.6MB. Free memory was 218.2MB in the beginning and 216.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 5.8s, 120 PlacesBefore, 49 PlacesAfterwards, 117 TransitionsBefore, 46 TransitionsAfterwards, 1612 CoEnabledTransitionPairs, 7 FixpointIterations, 60 TrivialSequentialCompositions, 18 ConcurrentSequentialCompositions, 3 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 81 TotalNumberOfCompositions, 12244 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 2705, independent: 2121, independent conditional: 0, independent unconditional: 2121, dependent: 584, dependent conditional: 0, dependent unconditional: 584, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 949, independent: 822, independent conditional: 0, independent unconditional: 822, dependent: 127, dependent conditional: 0, dependent unconditional: 127, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 949, independent: 785, independent conditional: 0, independent unconditional: 785, dependent: 164, dependent conditional: 0, dependent unconditional: 164, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 164, independent: 37, independent conditional: 0, independent unconditional: 37, dependent: 127, dependent conditional: 0, dependent unconditional: 127, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 563, independent: 132, independent conditional: 0, independent unconditional: 132, dependent: 431, dependent conditional: 0, dependent unconditional: 431, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 2705, independent: 1299, independent conditional: 0, independent unconditional: 1299, dependent: 457, dependent conditional: 0, dependent unconditional: 457, unknown: 949, unknown conditional: 0, unknown unconditional: 949] , Statistics on independence cache: Total cache size (in pairs): 291, Positive cache size: 225, Positive conditional cache size: 0, Positive unconditional cache size: 225, Negative cache size: 66, Negative conditional cache size: 0, Negative unconditional cache size: 66, 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: 931]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 936]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 936]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 938]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 924]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 924]: 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, 145 locations, 9 error locations. Started 1 CEGAR loops. OverallTime: 15.5s, OverallIterations: 13, TraceHistogramMax: 1, PathProgramHistogramMax: 5, EmptinessCheckTime: 0.0s, AutomataDifference: 4.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 5.8s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 926 SdHoareTripleChecker+Valid, 3.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 926 mSDsluCounter, 360 SdHoareTripleChecker+Invalid, 2.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 98 mSDsCounter, 382 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3091 IncrementalHoareTripleChecker+Invalid, 3473 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 382 mSolverCounterUnsat, 262 mSDtfsCounter, 3091 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 131 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 108 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 170 ImplicationChecksByTransitivity, 1.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=591occurred in iteration=5, InterpolantAutomatonStates: 92, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 13 MinimizatonAttempts, 227 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 4.5s InterpolantComputationTime, 275 NumberOfCodeBlocks, 275 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 262 ConstructedInterpolants, 0 QuantifiedInterpolants, 3098 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 13 InterpolantComputations, 13 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 6 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-11-19 07:26:27,355 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8e63727-ddb9-4d6d-97b3-d6ad098d7757/bin/utaipan-I9t0OCRTmS/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