./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/goblint-regression/13-privatized_04-priv_multi_true.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 2329fc70 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_777bd983-f313-44b4-865e-bfa3781876d2/bin/utaipan-gh47qXpMRh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777bd983-f313-44b4-865e-bfa3781876d2/bin/utaipan-gh47qXpMRh/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777bd983-f313-44b4-865e-bfa3781876d2/bin/utaipan-gh47qXpMRh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777bd983-f313-44b4-865e-bfa3781876d2/bin/utaipan-gh47qXpMRh/config/TaipanReach.xml -i ../../sv-benchmarks/c/goblint-regression/13-privatized_04-priv_multi_true.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777bd983-f313-44b4-865e-bfa3781876d2/bin/utaipan-gh47qXpMRh/config/svcomp-DataRace-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777bd983-f313-44b4-865e-bfa3781876d2/bin/utaipan-gh47qXpMRh --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 d5772eac83993f999ed7a0d2c72e283c734e18136b4020af8f8e407255c20c04 --- 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-2329fc7 [2022-12-14 06:26:38,758 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 06:26:38,760 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 06:26:38,778 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 06:26:38,779 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 06:26:38,780 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 06:26:38,781 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 06:26:38,783 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 06:26:38,784 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 06:26:38,785 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 06:26:38,786 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 06:26:38,787 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 06:26:38,787 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 06:26:38,788 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 06:26:38,789 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 06:26:38,790 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 06:26:38,791 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 06:26:38,792 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 06:26:38,793 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 06:26:38,795 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 06:26:38,796 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 06:26:38,798 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 06:26:38,799 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 06:26:38,799 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 06:26:38,803 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 06:26:38,803 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 06:26:38,803 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 06:26:38,804 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 06:26:38,805 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 06:26:38,806 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 06:26:38,806 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 06:26:38,807 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 06:26:38,808 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 06:26:38,808 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 06:26:38,809 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 06:26:38,809 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 06:26:38,810 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 06:26:38,810 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 06:26:38,810 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 06:26:38,811 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 06:26:38,812 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 06:26:38,812 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777bd983-f313-44b4-865e-bfa3781876d2/bin/utaipan-gh47qXpMRh/config/svcomp-DataRace-32bit-Taipan_Default.epf [2022-12-14 06:26:38,834 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 06:26:38,834 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 06:26:38,834 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-14 06:26:38,834 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-14 06:26:38,835 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 06:26:38,835 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-14 06:26:38,835 INFO L138 SettingsManager]: * User list type=DISABLED [2022-12-14 06:26:38,835 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-12-14 06:26:38,836 INFO L138 SettingsManager]: * Explicit value domain=true [2022-12-14 06:26:38,836 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-12-14 06:26:38,836 INFO L138 SettingsManager]: * Octagon Domain=false [2022-12-14 06:26:38,836 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-12-14 06:26:38,836 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-12-14 06:26:38,836 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-12-14 06:26:38,836 INFO L138 SettingsManager]: * Interval Domain=false [2022-12-14 06:26:38,837 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-12-14 06:26:38,837 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-12-14 06:26:38,837 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-12-14 06:26:38,837 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 06:26:38,838 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-14 06:26:38,838 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-14 06:26:38,838 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 06:26:38,838 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-14 06:26:38,838 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 06:26:38,838 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 06:26:38,838 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 06:26:38,838 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 06:26:38,838 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-12-14 06:26:38,839 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-14 06:26:38,839 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 06:26:38,839 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 06:26:38,839 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 06:26:38,839 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 06:26:38,839 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-14 06:26:38,839 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 06:26:38,840 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 06:26:38,840 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-12-14 06:26:38,840 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 06:26:38,840 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 06:26:38,840 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-12-14 06:26:38,840 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 06:26:38,840 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 06:26:38,840 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-12-14 06:26:38,840 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_777bd983-f313-44b4-865e-bfa3781876d2/bin/utaipan-gh47qXpMRh/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777bd983-f313-44b4-865e-bfa3781876d2/bin/utaipan-gh47qXpMRh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d5772eac83993f999ed7a0d2c72e283c734e18136b4020af8f8e407255c20c04 [2022-12-14 06:26:39,007 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 06:26:39,025 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 06:26:39,027 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 06:26:39,029 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 06:26:39,029 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 06:26:39,030 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777bd983-f313-44b4-865e-bfa3781876d2/bin/utaipan-gh47qXpMRh/../../sv-benchmarks/c/goblint-regression/13-privatized_04-priv_multi_true.i [2022-12-14 06:26:41,667 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 06:26:41,861 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 06:26:41,861 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777bd983-f313-44b4-865e-bfa3781876d2/sv-benchmarks/c/goblint-regression/13-privatized_04-priv_multi_true.i [2022-12-14 06:26:41,874 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777bd983-f313-44b4-865e-bfa3781876d2/bin/utaipan-gh47qXpMRh/data/6476f5a0c/8fb54188f5d64095a2b584fb57797bc0/FLAG4bd54d7a4 [2022-12-14 06:26:41,886 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777bd983-f313-44b4-865e-bfa3781876d2/bin/utaipan-gh47qXpMRh/data/6476f5a0c/8fb54188f5d64095a2b584fb57797bc0 [2022-12-14 06:26:41,888 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 06:26:41,890 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 06:26:41,891 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 06:26:41,891 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 06:26:41,894 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 06:26:41,894 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 06:26:41" (1/1) ... [2022-12-14 06:26:41,895 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1f6862d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:26:41, skipping insertion in model container [2022-12-14 06:26:41,895 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 06:26:41" (1/1) ... [2022-12-14 06:26:41,901 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 06:26:41,932 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 06:26:42,062 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777bd983-f313-44b4-865e-bfa3781876d2/sv-benchmarks/c/goblint-regression/13-privatized_04-priv_multi_true.i[1087,1100] [2022-12-14 06:26:42,251 WARN L623 FunctionHandler]: Unknown extern function sleep [2022-12-14 06:26:42,255 WARN L623 FunctionHandler]: Unknown extern function sleep [2022-12-14 06:26:42,257 WARN L623 FunctionHandler]: Unknown extern function sleep [2022-12-14 06:26:42,261 WARN L623 FunctionHandler]: Unknown extern function sleep [2022-12-14 06:26:42,262 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 06:26:42,271 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 06:26:42,279 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777bd983-f313-44b4-865e-bfa3781876d2/sv-benchmarks/c/goblint-regression/13-privatized_04-priv_multi_true.i[1087,1100] [2022-12-14 06:26:42,298 WARN L623 FunctionHandler]: Unknown extern function sleep [2022-12-14 06:26:42,300 WARN L623 FunctionHandler]: Unknown extern function sleep [2022-12-14 06:26:42,301 WARN L623 FunctionHandler]: Unknown extern function sleep [2022-12-14 06:26:42,304 WARN L623 FunctionHandler]: Unknown extern function sleep [2022-12-14 06:26:42,304 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 06:26:42,340 INFO L208 MainTranslator]: Completed translation [2022-12-14 06:26:42,340 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:26:42 WrapperNode [2022-12-14 06:26:42,340 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 06:26:42,341 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 06:26:42,341 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 06:26:42,341 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 06:26:42,347 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:26:42" (1/1) ... [2022-12-14 06:26:42,364 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:26:42" (1/1) ... [2022-12-14 06:26:42,386 INFO L138 Inliner]: procedures = 271, calls = 45, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 113 [2022-12-14 06:26:42,387 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 06:26:42,387 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 06:26:42,387 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 06:26:42,387 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 06:26:42,397 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:26:42" (1/1) ... [2022-12-14 06:26:42,397 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:26:42" (1/1) ... [2022-12-14 06:26:42,401 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:26:42" (1/1) ... [2022-12-14 06:26:42,401 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:26:42" (1/1) ... [2022-12-14 06:26:42,410 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:26:42" (1/1) ... [2022-12-14 06:26:42,413 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:26:42" (1/1) ... [2022-12-14 06:26:42,417 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:26:42" (1/1) ... [2022-12-14 06:26:42,419 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:26:42" (1/1) ... [2022-12-14 06:26:42,423 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 06:26:42,424 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 06:26:42,424 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 06:26:42,424 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 06:26:42,425 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:26:42" (1/1) ... [2022-12-14 06:26:42,431 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 06:26:42,442 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777bd983-f313-44b4-865e-bfa3781876d2/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 06:26:42,453 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777bd983-f313-44b4-865e-bfa3781876d2/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-14 06:26:42,455 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777bd983-f313-44b4-865e-bfa3781876d2/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-14 06:26:42,489 INFO L130 BoogieDeclarations]: Found specification of procedure sleep [2022-12-14 06:26:42,489 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-14 06:26:42,489 INFO L130 BoogieDeclarations]: Found specification of procedure generate [2022-12-14 06:26:42,489 INFO L138 BoogieDeclarations]: Found implementation of procedure generate [2022-12-14 06:26:42,490 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-14 06:26:42,490 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-14 06:26:42,490 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-12-14 06:26:42,490 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 06:26:42,490 INFO L130 BoogieDeclarations]: Found specification of procedure dispose [2022-12-14 06:26:42,490 INFO L138 BoogieDeclarations]: Found implementation of procedure dispose [2022-12-14 06:26:42,490 INFO L130 BoogieDeclarations]: Found specification of procedure process [2022-12-14 06:26:42,491 INFO L138 BoogieDeclarations]: Found implementation of procedure process [2022-12-14 06:26:42,491 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-14 06:26:42,491 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 06:26:42,491 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 06:26:42,493 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-12-14 06:26:42,729 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 06:26:42,731 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 06:26:42,971 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 06:26:42,981 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 06:26:42,981 INFO L300 CfgBuilder]: Removed 4 assume(true) statements. [2022-12-14 06:26:42,984 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 06:26:42 BoogieIcfgContainer [2022-12-14 06:26:42,984 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 06:26:42,987 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-14 06:26:42,987 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-14 06:26:42,990 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-14 06:26:42,990 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.12 06:26:41" (1/3) ... [2022-12-14 06:26:42,991 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@f949308 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 06:26:42, skipping insertion in model container [2022-12-14 06:26:42,991 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:26:42" (2/3) ... [2022-12-14 06:26:42,992 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@f949308 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 06:26:42, skipping insertion in model container [2022-12-14 06:26:42,992 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 06:26:42" (3/3) ... [2022-12-14 06:26:42,993 INFO L112 eAbstractionObserver]: Analyzing ICFG 13-privatized_04-priv_multi_true.i [2022-12-14 06:26:43,002 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-12-14 06:26:43,013 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-14 06:26:43,013 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 15 error locations. [2022-12-14 06:26:43,013 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-12-14 06:26:43,086 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-12-14 06:26:43,118 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-14 06:26:43,130 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 212 places, 214 transitions, 443 flow [2022-12-14 06:26:43,132 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 212 places, 214 transitions, 443 flow [2022-12-14 06:26:43,134 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 212 places, 214 transitions, 443 flow [2022-12-14 06:26:43,212 INFO L130 PetriNetUnfolder]: 12/211 cut-off events. [2022-12-14 06:26:43,212 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-14 06:26:43,218 INFO L83 FinitePrefix]: Finished finitePrefix Result has 221 conditions, 211 events. 12/211 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 483 event pairs, 0 based on Foata normal form. 0/184 useless extension candidates. Maximal degree in co-relation 179. Up to 2 conditions per place. [2022-12-14 06:26:43,224 INFO L119 LiptonReduction]: Number of co-enabled transitions 20632 [2022-12-14 06:26:46,820 INFO L134 LiptonReduction]: Checked pairs total: 153280 [2022-12-14 06:26:46,820 INFO L136 LiptonReduction]: Total number of compositions: 171 [2022-12-14 06:26:46,827 INFO L113 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 93 places, 91 transitions, 197 flow [2022-12-14 06:26:48,892 INFO L135 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 82105 states, 81836 states have (on average 4.254582335402512) internal successors, (348178), 82104 states have internal predecessors, (348178), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 06:26:48,908 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-14 06:26:48,913 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;@12c95f48, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-14 06:26:48,913 INFO L358 AbstractCegarLoop]: Starting to check reachability of 31 error locations. [2022-12-14 06:26:48,996 INFO L276 IsEmpty]: Start isEmpty. Operand has 82105 states, 81836 states have (on average 4.254582335402512) internal successors, (348178), 82104 states have internal predecessors, (348178), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 06:26:49,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-12-14 06:26:49,000 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 06:26:49,001 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2022-12-14 06:26:49,001 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting processErr5ASSERT_VIOLATIONDATA_RACE === [processErr0ASSERT_VIOLATIONDATA_RACE, processErr1ASSERT_VIOLATIONDATA_RACE, processErr2ASSERT_VIOLATIONDATA_RACE, processErr3ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-12-14 06:26:49,005 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 06:26:49,005 INFO L85 PathProgramCache]: Analyzing trace with hash 1579282735, now seen corresponding path program 1 times [2022-12-14 06:26:49,012 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 06:26:49,013 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2045985723] [2022-12-14 06:26:49,013 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 06:26:49,013 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 06:26:49,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 06:26:49,252 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 06:26:49,252 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 06:26:49,252 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2045985723] [2022-12-14 06:26:49,253 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2045985723] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 06:26:49,253 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 06:26:49,253 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-12-14 06:26:49,254 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [173377261] [2022-12-14 06:26:49,254 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 06:26:49,257 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-12-14 06:26:49,257 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 06:26:49,273 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-12-14 06:26:49,274 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-12-14 06:26:49,382 INFO L87 Difference]: Start difference. First operand has 82105 states, 81836 states have (on average 4.254582335402512) internal successors, (348178), 82104 states have internal predecessors, (348178), 0 states have call successors, (0), 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 6.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 06:26:50,531 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 06:26:50,532 INFO L93 Difference]: Finished difference Result 72074 states and 295154 transitions. [2022-12-14 06:26:50,533 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-14 06:26:50,534 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 1 states have (on average 6.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 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 6 [2022-12-14 06:26:50,534 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 06:26:51,094 INFO L225 Difference]: With dead ends: 72074 [2022-12-14 06:26:51,094 INFO L226 Difference]: Without dead ends: 72074 [2022-12-14 06:26:51,095 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-12-14 06:26:51,097 INFO L413 NwaCegarLoop]: 41 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 42 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 41 SdHoareTripleChecker+Invalid, 42 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 42 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-14 06:26:51,098 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 41 Invalid, 42 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 42 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-14 06:26:51,237 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72074 states. [2022-12-14 06:26:53,223 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72074 to 72074. [2022-12-14 06:26:53,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 72074 states, 71930 states have (on average 4.103350479632977) internal successors, (295154), 72073 states have internal predecessors, (295154), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 06:26:53,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72074 states to 72074 states and 295154 transitions. [2022-12-14 06:26:53,801 INFO L78 Accepts]: Start accepts. Automaton has 72074 states and 295154 transitions. Word has length 6 [2022-12-14 06:26:53,801 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 06:26:53,801 INFO L495 AbstractCegarLoop]: Abstraction has 72074 states and 295154 transitions. [2022-12-14 06:26:53,801 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 1 states have (on average 6.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 06:26:53,801 INFO L276 IsEmpty]: Start isEmpty. Operand 72074 states and 295154 transitions. [2022-12-14 06:26:53,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-12-14 06:26:53,802 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 06:26:53,802 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2022-12-14 06:26:53,802 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-14 06:26:53,803 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting generateErr0ASSERT_VIOLATIONDATA_RACE === [processErr0ASSERT_VIOLATIONDATA_RACE, processErr1ASSERT_VIOLATIONDATA_RACE, processErr2ASSERT_VIOLATIONDATA_RACE, processErr3ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-12-14 06:26:53,803 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 06:26:53,803 INFO L85 PathProgramCache]: Analyzing trace with hash 1689847399, now seen corresponding path program 1 times [2022-12-14 06:26:53,803 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 06:26:53,804 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [358008286] [2022-12-14 06:26:53,804 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 06:26:53,804 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 06:26:53,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 06:26:53,882 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 06:26:53,883 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 06:26:53,883 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [358008286] [2022-12-14 06:26:53,883 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [358008286] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 06:26:53,883 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 06:26:53,884 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-14 06:26:53,884 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1218919865] [2022-12-14 06:26:53,884 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 06:26:53,885 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 06:26:53,885 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 06:26:53,886 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 06:26:53,886 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 06:26:53,887 INFO L87 Difference]: Start difference. First operand 72074 states and 295154 transitions. Second operand has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 06:26:54,620 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 06:26:54,621 INFO L93 Difference]: Finished difference Result 84038 states and 344169 transitions. [2022-12-14 06:26:54,621 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 06:26:54,621 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 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 7 [2022-12-14 06:26:54,621 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 06:26:55,240 INFO L225 Difference]: With dead ends: 84038 [2022-12-14 06:26:55,240 INFO L226 Difference]: Without dead ends: 84038 [2022-12-14 06:26:55,240 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 06:26:55,241 INFO L413 NwaCegarLoop]: 65 mSDtfsCounter, 63 mSDsluCounter, 21 mSDsCounter, 0 mSdLazyCounter, 154 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 63 SdHoareTripleChecker+Valid, 86 SdHoareTripleChecker+Invalid, 155 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 154 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-14 06:26:55,241 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [63 Valid, 86 Invalid, 155 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 154 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-14 06:26:55,418 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 84038 states. [2022-12-14 06:26:57,087 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 84038 to 78048. [2022-12-14 06:26:57,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 78048 states, 77904 states have (on average 4.102895871842267) internal successors, (319632), 78047 states have internal predecessors, (319632), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 06:26:57,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78048 states to 78048 states and 319632 transitions. [2022-12-14 06:26:57,631 INFO L78 Accepts]: Start accepts. Automaton has 78048 states and 319632 transitions. Word has length 7 [2022-12-14 06:26:57,632 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 06:26:57,632 INFO L495 AbstractCegarLoop]: Abstraction has 78048 states and 319632 transitions. [2022-12-14 06:26:57,632 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 06:26:57,632 INFO L276 IsEmpty]: Start isEmpty. Operand 78048 states and 319632 transitions. [2022-12-14 06:26:57,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-12-14 06:26:57,633 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 06:26:57,633 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 06:26:57,633 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-14 06:26:57,633 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting processErr0ASSERT_VIOLATIONDATA_RACE === [processErr0ASSERT_VIOLATIONDATA_RACE, processErr1ASSERT_VIOLATIONDATA_RACE, processErr2ASSERT_VIOLATIONDATA_RACE, processErr3ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-12-14 06:26:57,633 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 06:26:57,633 INFO L85 PathProgramCache]: Analyzing trace with hash 1567153421, now seen corresponding path program 1 times [2022-12-14 06:26:57,633 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 06:26:57,633 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [354356971] [2022-12-14 06:26:57,633 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 06:26:57,634 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 06:26:57,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 06:26:57,675 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 06:26:57,675 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 06:26:57,675 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [354356971] [2022-12-14 06:26:57,675 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [354356971] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 06:26:57,676 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 06:26:57,676 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-14 06:26:57,676 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1368709434] [2022-12-14 06:26:57,676 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 06:26:57,676 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 06:26:57,676 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 06:26:57,677 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 06:26:57,677 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 06:26:57,677 INFO L87 Difference]: Start difference. First operand 78048 states and 319632 transitions. Second operand has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 06:26:59,075 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 06:26:59,075 INFO L93 Difference]: Finished difference Result 137564 states and 553398 transitions. [2022-12-14 06:26:59,076 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 06:26:59,076 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 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 8 [2022-12-14 06:26:59,076 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 06:26:59,705 INFO L225 Difference]: With dead ends: 137564 [2022-12-14 06:26:59,705 INFO L226 Difference]: Without dead ends: 137564 [2022-12-14 06:26:59,705 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 06:26:59,706 INFO L413 NwaCegarLoop]: 45 mSDtfsCounter, 65 mSDsluCounter, 21 mSDsCounter, 0 mSdLazyCounter, 133 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 65 SdHoareTripleChecker+Valid, 66 SdHoareTripleChecker+Invalid, 148 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 133 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-14 06:26:59,706 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [65 Valid, 66 Invalid, 148 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 133 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-14 06:27:00,106 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 137564 states. [2022-12-14 06:27:02,508 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 137564 to 87600. [2022-12-14 06:27:02,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 87600 states, 87464 states have (on average 4.069331382054331) internal successors, (355920), 87599 states have internal predecessors, (355920), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 06:27:03,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87600 states to 87600 states and 355920 transitions. [2022-12-14 06:27:03,186 INFO L78 Accepts]: Start accepts. Automaton has 87600 states and 355920 transitions. Word has length 8 [2022-12-14 06:27:03,186 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 06:27:03,186 INFO L495 AbstractCegarLoop]: Abstraction has 87600 states and 355920 transitions. [2022-12-14 06:27:03,187 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 06:27:03,187 INFO L276 IsEmpty]: Start isEmpty. Operand 87600 states and 355920 transitions. [2022-12-14 06:27:03,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-12-14 06:27:03,188 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 06:27:03,188 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 06:27:03,188 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-12-14 06:27:03,188 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting generateErr1ASSERT_VIOLATIONDATA_RACE === [processErr0ASSERT_VIOLATIONDATA_RACE, processErr1ASSERT_VIOLATIONDATA_RACE, processErr2ASSERT_VIOLATIONDATA_RACE, processErr3ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-12-14 06:27:03,188 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 06:27:03,189 INFO L85 PathProgramCache]: Analyzing trace with hash 932824616, now seen corresponding path program 1 times [2022-12-14 06:27:03,189 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 06:27:03,189 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1163770622] [2022-12-14 06:27:03,189 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 06:27:03,189 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 06:27:03,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 06:27:03,228 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 06:27:03,228 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 06:27:03,229 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1163770622] [2022-12-14 06:27:03,229 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1163770622] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 06:27:03,229 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 06:27:03,229 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-14 06:27:03,229 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [535693073] [2022-12-14 06:27:03,229 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 06:27:03,229 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 06:27:03,229 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 06:27:03,230 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 06:27:03,230 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 06:27:03,230 INFO L87 Difference]: Start difference. First operand 87600 states and 355920 transitions. Second operand has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 06:27:04,117 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 06:27:04,117 INFO L93 Difference]: Finished difference Result 98204 states and 397157 transitions. [2022-12-14 06:27:04,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 06:27:04,117 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 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 10 [2022-12-14 06:27:04,118 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 06:27:04,538 INFO L225 Difference]: With dead ends: 98204 [2022-12-14 06:27:04,538 INFO L226 Difference]: Without dead ends: 98204 [2022-12-14 06:27:04,538 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 06:27:04,539 INFO L413 NwaCegarLoop]: 65 mSDtfsCounter, 63 mSDsluCounter, 21 mSDsCounter, 0 mSdLazyCounter, 154 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 63 SdHoareTripleChecker+Valid, 86 SdHoareTripleChecker+Invalid, 155 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 154 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-14 06:27:04,539 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [63 Valid, 86 Invalid, 155 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 154 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-14 06:27:04,708 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 98204 states. [2022-12-14 06:27:06,981 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 98204 to 92222. [2022-12-14 06:27:07,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 92222 states, 92094 states have (on average 4.055204465003149) internal successors, (373460), 92221 states have internal predecessors, (373460), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 06:27:07,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92222 states to 92222 states and 373460 transitions. [2022-12-14 06:27:07,373 INFO L78 Accepts]: Start accepts. Automaton has 92222 states and 373460 transitions. Word has length 10 [2022-12-14 06:27:07,373 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 06:27:07,374 INFO L495 AbstractCegarLoop]: Abstraction has 92222 states and 373460 transitions. [2022-12-14 06:27:07,374 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 06:27:07,374 INFO L276 IsEmpty]: Start isEmpty. Operand 92222 states and 373460 transitions. [2022-12-14 06:27:07,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-12-14 06:27:07,375 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 06:27:07,375 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 06:27:07,375 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-12-14 06:27:07,375 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting disposeErr0ASSERT_VIOLATIONDATA_RACE === [processErr0ASSERT_VIOLATIONDATA_RACE, processErr1ASSERT_VIOLATIONDATA_RACE, processErr2ASSERT_VIOLATIONDATA_RACE, processErr3ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-12-14 06:27:07,375 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 06:27:07,375 INFO L85 PathProgramCache]: Analyzing trace with hash 1433629637, now seen corresponding path program 1 times [2022-12-14 06:27:07,376 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 06:27:07,376 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [967744087] [2022-12-14 06:27:07,376 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 06:27:07,376 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 06:27:07,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 06:27:07,409 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 06:27:07,410 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 06:27:07,410 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [967744087] [2022-12-14 06:27:07,410 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [967744087] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 06:27:07,410 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 06:27:07,410 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-14 06:27:07,410 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [328878211] [2022-12-14 06:27:07,410 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 06:27:07,410 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 06:27:07,410 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 06:27:07,411 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 06:27:07,411 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 06:27:07,411 INFO L87 Difference]: Start difference. First operand 92222 states and 373460 transitions. Second operand has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 06:27:08,784 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 06:27:08,784 INFO L93 Difference]: Finished difference Result 170351 states and 675395 transitions. [2022-12-14 06:27:08,785 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 06:27:08,785 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 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 10 [2022-12-14 06:27:08,785 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 06:27:09,545 INFO L225 Difference]: With dead ends: 170351 [2022-12-14 06:27:09,545 INFO L226 Difference]: Without dead ends: 170351 [2022-12-14 06:27:09,545 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 06:27:09,546 INFO L413 NwaCegarLoop]: 67 mSDtfsCounter, 70 mSDsluCounter, 30 mSDsCounter, 0 mSdLazyCounter, 124 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 70 SdHoareTripleChecker+Valid, 97 SdHoareTripleChecker+Invalid, 133 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 124 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-14 06:27:09,546 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [70 Valid, 97 Invalid, 133 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 124 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-14 06:27:09,817 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 170351 states. [2022-12-14 06:27:12,727 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 170351 to 110046. [2022-12-14 06:27:12,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 110046 states, 109934 states have (on average 4.0211217639674715) internal successors, (442058), 110045 states have internal predecessors, (442058), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 06:27:13,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110046 states to 110046 states and 442058 transitions. [2022-12-14 06:27:13,496 INFO L78 Accepts]: Start accepts. Automaton has 110046 states and 442058 transitions. Word has length 10 [2022-12-14 06:27:13,496 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 06:27:13,496 INFO L495 AbstractCegarLoop]: Abstraction has 110046 states and 442058 transitions. [2022-12-14 06:27:13,496 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 06:27:13,496 INFO L276 IsEmpty]: Start isEmpty. Operand 110046 states and 442058 transitions. [2022-12-14 06:27:13,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-12-14 06:27:13,498 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 06:27:13,498 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 06:27:13,498 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-12-14 06:27:13,498 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting generateErr0ASSERT_VIOLATIONDATA_RACE === [processErr0ASSERT_VIOLATIONDATA_RACE, processErr1ASSERT_VIOLATIONDATA_RACE, processErr2ASSERT_VIOLATIONDATA_RACE, processErr3ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-12-14 06:27:13,498 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 06:27:13,498 INFO L85 PathProgramCache]: Analyzing trace with hash -1276498044, now seen corresponding path program 1 times [2022-12-14 06:27:13,498 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 06:27:13,498 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2080013297] [2022-12-14 06:27:13,498 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 06:27:13,499 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 06:27:13,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 06:27:13,614 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 06:27:13,614 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 06:27:13,614 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2080013297] [2022-12-14 06:27:13,614 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2080013297] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 06:27:13,614 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 06:27:13,614 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 06:27:13,614 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [409729186] [2022-12-14 06:27:13,615 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 06:27:13,615 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 06:27:13,615 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 06:27:13,615 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 06:27:13,615 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 06:27:13,615 INFO L87 Difference]: Start difference. First operand 110046 states and 442058 transitions. Second operand has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 06:27:15,145 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 06:27:15,145 INFO L93 Difference]: Finished difference Result 196086 states and 772791 transitions. [2022-12-14 06:27:15,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 06:27:15,146 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12 [2022-12-14 06:27:15,146 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 06:27:16,404 INFO L225 Difference]: With dead ends: 196086 [2022-12-14 06:27:16,404 INFO L226 Difference]: Without dead ends: 196086 [2022-12-14 06:27:16,405 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 [2022-12-14 06:27:16,405 INFO L413 NwaCegarLoop]: 53 mSDtfsCounter, 62 mSDsluCounter, 41 mSDsCounter, 0 mSdLazyCounter, 102 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 62 SdHoareTripleChecker+Valid, 94 SdHoareTripleChecker+Invalid, 109 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 102 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-14 06:27:16,405 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [62 Valid, 94 Invalid, 109 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 102 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-14 06:27:16,706 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 196086 states. [2022-12-14 06:27:19,530 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 196086 to 134464. [2022-12-14 06:27:19,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 134464 states, 134352 states have (on average 3.995802072168632) internal successors, (536844), 134463 states have internal predecessors, (536844), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 06:27:20,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134464 states to 134464 states and 536844 transitions. [2022-12-14 06:27:20,364 INFO L78 Accepts]: Start accepts. Automaton has 134464 states and 536844 transitions. Word has length 12 [2022-12-14 06:27:20,365 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 06:27:20,365 INFO L495 AbstractCegarLoop]: Abstraction has 134464 states and 536844 transitions. [2022-12-14 06:27:20,365 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 06:27:20,365 INFO L276 IsEmpty]: Start isEmpty. Operand 134464 states and 536844 transitions. [2022-12-14 06:27:20,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-12-14 06:27:20,367 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 06:27:20,367 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 06:27:20,367 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-12-14 06:27:20,367 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting processErr2ASSERT_VIOLATIONDATA_RACE === [processErr0ASSERT_VIOLATIONDATA_RACE, processErr1ASSERT_VIOLATIONDATA_RACE, processErr2ASSERT_VIOLATIONDATA_RACE, processErr3ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-12-14 06:27:20,368 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 06:27:20,368 INFO L85 PathProgramCache]: Analyzing trace with hash -1117477450, now seen corresponding path program 1 times [2022-12-14 06:27:20,368 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 06:27:20,368 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [706238364] [2022-12-14 06:27:20,368 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 06:27:20,368 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 06:27:20,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 06:27:20,401 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 06:27:20,401 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 06:27:20,401 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [706238364] [2022-12-14 06:27:20,402 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [706238364] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 06:27:20,402 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 06:27:20,402 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-14 06:27:20,402 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [82781696] [2022-12-14 06:27:20,402 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 06:27:20,402 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 06:27:20,402 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 06:27:20,403 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 06:27:20,403 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 06:27:20,403 INFO L87 Difference]: Start difference. First operand 134464 states and 536844 transitions. Second operand has 3 states, 2 states have (on average 7.5) internal successors, (15), 3 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) [2022-12-14 06:27:21,791 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 06:27:21,792 INFO L93 Difference]: Finished difference Result 138661 states and 553707 transitions. [2022-12-14 06:27:21,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 06:27:21,792 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 7.5) internal successors, (15), 3 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 [2022-12-14 06:27:21,792 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 06:27:22,654 INFO L225 Difference]: With dead ends: 138661 [2022-12-14 06:27:22,655 INFO L226 Difference]: Without dead ends: 138661 [2022-12-14 06:27:22,655 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 06:27:22,655 INFO L413 NwaCegarLoop]: 52 mSDtfsCounter, 38 mSDsluCounter, 21 mSDsCounter, 0 mSdLazyCounter, 134 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 38 SdHoareTripleChecker+Valid, 73 SdHoareTripleChecker+Invalid, 135 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 134 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-14 06:27:22,656 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [38 Valid, 73 Invalid, 135 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 134 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-14 06:27:22,866 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 138661 states. [2022-12-14 06:27:25,251 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 138661 to 135881. [2022-12-14 06:27:25,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 135881 states, 135777 states have (on average 3.995639909557583) internal successors, (542516), 135880 states have internal predecessors, (542516), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 06:27:26,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135881 states to 135881 states and 542516 transitions. [2022-12-14 06:27:26,229 INFO L78 Accepts]: Start accepts. Automaton has 135881 states and 542516 transitions. Word has length 15 [2022-12-14 06:27:26,229 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 06:27:26,229 INFO L495 AbstractCegarLoop]: Abstraction has 135881 states and 542516 transitions. [2022-12-14 06:27:26,229 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 7.5) internal successors, (15), 3 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) [2022-12-14 06:27:26,229 INFO L276 IsEmpty]: Start isEmpty. Operand 135881 states and 542516 transitions. [2022-12-14 06:27:26,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-12-14 06:27:26,235 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 06:27:26,235 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] [2022-12-14 06:27:26,236 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-12-14 06:27:26,236 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting generateErr0ASSERT_VIOLATIONDATA_RACE === [processErr0ASSERT_VIOLATIONDATA_RACE, processErr1ASSERT_VIOLATIONDATA_RACE, processErr2ASSERT_VIOLATIONDATA_RACE, processErr3ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-12-14 06:27:26,236 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 06:27:26,236 INFO L85 PathProgramCache]: Analyzing trace with hash -822299562, now seen corresponding path program 1 times [2022-12-14 06:27:26,236 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 06:27:26,236 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1805063197] [2022-12-14 06:27:26,236 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 06:27:26,237 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 06:27:26,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 06:27:26,333 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 06:27:26,333 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 06:27:26,333 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1805063197] [2022-12-14 06:27:26,333 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1805063197] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 06:27:26,334 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 06:27:26,334 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-14 06:27:26,334 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1864011311] [2022-12-14 06:27:26,334 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 06:27:26,334 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 06:27:26,334 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 06:27:26,335 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 06:27:26,335 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 06:27:26,335 INFO L87 Difference]: Start difference. First operand 135881 states and 542516 transitions. Second operand has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 2 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 06:27:27,753 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 06:27:27,754 INFO L93 Difference]: Finished difference Result 176930 states and 704236 transitions. [2022-12-14 06:27:27,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 06:27:27,755 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 2 states have internal predecessors, (20), 0 states have call successors, (0), 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 20 [2022-12-14 06:27:27,755 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 06:27:28,762 INFO L225 Difference]: With dead ends: 176930 [2022-12-14 06:27:28,762 INFO L226 Difference]: Without dead ends: 176930 [2022-12-14 06:27:28,763 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 06:27:28,763 INFO L413 NwaCegarLoop]: 39 mSDtfsCounter, 44 mSDsluCounter, 36 mSDsCounter, 0 mSdLazyCounter, 86 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 44 SdHoareTripleChecker+Valid, 75 SdHoareTripleChecker+Invalid, 86 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 86 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-14 06:27:28,764 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [44 Valid, 75 Invalid, 86 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 86 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-14 06:27:29,029 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 176930 states. [2022-12-14 06:27:32,429 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 176930 to 176930. [2022-12-14 06:27:32,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 176930 states, 176826 states have (on average 3.982649610351419) internal successors, (704236), 176929 states have internal predecessors, (704236), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 06:27:33,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176930 states to 176930 states and 704236 transitions. [2022-12-14 06:27:33,228 INFO L78 Accepts]: Start accepts. Automaton has 176930 states and 704236 transitions. Word has length 20 [2022-12-14 06:27:33,228 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 06:27:33,228 INFO L495 AbstractCegarLoop]: Abstraction has 176930 states and 704236 transitions. [2022-12-14 06:27:33,228 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 2 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 06:27:33,228 INFO L276 IsEmpty]: Start isEmpty. Operand 176930 states and 704236 transitions. [2022-12-14 06:27:33,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-12-14 06:27:33,235 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 06:27:33,235 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] [2022-12-14 06:27:33,235 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-12-14 06:27:33,235 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting processErr4ASSERT_VIOLATIONDATA_RACE === [processErr0ASSERT_VIOLATIONDATA_RACE, processErr1ASSERT_VIOLATIONDATA_RACE, processErr2ASSERT_VIOLATIONDATA_RACE, processErr3ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-12-14 06:27:33,236 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 06:27:33,236 INFO L85 PathProgramCache]: Analyzing trace with hash 549424425, now seen corresponding path program 1 times [2022-12-14 06:27:33,236 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 06:27:33,236 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1507032347] [2022-12-14 06:27:33,236 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 06:27:33,236 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 06:27:33,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 06:27:33,575 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 06:27:33,576 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 06:27:33,576 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1507032347] [2022-12-14 06:27:33,576 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1507032347] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 06:27:33,576 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 06:27:33,576 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-14 06:27:33,576 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [560194402] [2022-12-14 06:27:33,576 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 06:27:33,577 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 06:27:33,577 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 06:27:33,577 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 06:27:33,577 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 06:27:33,578 INFO L87 Difference]: Start difference. First operand 176930 states and 704236 transitions. Second operand has 3 states, 2 states have (on average 10.5) internal successors, (21), 3 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 06:27:34,873 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 06:27:34,874 INFO L93 Difference]: Finished difference Result 178449 states and 709728 transitions. [2022-12-14 06:27:34,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 06:27:34,874 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 10.5) internal successors, (21), 3 states have internal predecessors, (21), 0 states have call successors, (0), 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 21 [2022-12-14 06:27:34,875 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 06:27:35,668 INFO L225 Difference]: With dead ends: 178449 [2022-12-14 06:27:35,668 INFO L226 Difference]: Without dead ends: 178449 [2022-12-14 06:27:35,668 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 06:27:35,669 INFO L413 NwaCegarLoop]: 49 mSDtfsCounter, 37 mSDsluCounter, 30 mSDsCounter, 0 mSdLazyCounter, 126 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 37 SdHoareTripleChecker+Valid, 79 SdHoareTripleChecker+Invalid, 126 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 126 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-14 06:27:35,669 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [37 Valid, 79 Invalid, 126 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 126 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-14 06:27:35,940 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 178449 states. [2022-12-14 06:27:39,380 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 178449 to 178449. [2022-12-14 06:27:39,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 178449 states, 178355 states have (on average 3.979299711250035) internal successors, (709728), 178448 states have internal predecessors, (709728), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 06:27:40,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178449 states to 178449 states and 709728 transitions. [2022-12-14 06:27:40,547 INFO L78 Accepts]: Start accepts. Automaton has 178449 states and 709728 transitions. Word has length 21 [2022-12-14 06:27:40,547 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 06:27:40,547 INFO L495 AbstractCegarLoop]: Abstraction has 178449 states and 709728 transitions. [2022-12-14 06:27:40,547 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 10.5) internal successors, (21), 3 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 06:27:40,547 INFO L276 IsEmpty]: Start isEmpty. Operand 178449 states and 709728 transitions. [2022-12-14 06:27:40,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-12-14 06:27:40,552 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 06:27:40,552 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] [2022-12-14 06:27:40,553 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-12-14 06:27:40,553 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting generateErr0ASSERT_VIOLATIONDATA_RACE === [processErr0ASSERT_VIOLATIONDATA_RACE, processErr1ASSERT_VIOLATIONDATA_RACE, processErr2ASSERT_VIOLATIONDATA_RACE, processErr3ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-12-14 06:27:40,553 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 06:27:40,553 INFO L85 PathProgramCache]: Analyzing trace with hash -152663860, now seen corresponding path program 1 times [2022-12-14 06:27:40,553 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 06:27:40,553 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [553769459] [2022-12-14 06:27:40,553 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 06:27:40,553 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 06:27:40,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 06:27:40,900 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 06:27:40,900 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 06:27:40,900 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [553769459] [2022-12-14 06:27:40,900 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [553769459] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 06:27:40,900 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 06:27:40,901 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-14 06:27:40,901 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [687647707] [2022-12-14 06:27:40,901 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 06:27:40,901 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-14 06:27:40,901 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 06:27:40,902 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-14 06:27:40,902 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-14 06:27:40,902 INFO L87 Difference]: Start difference. First operand 178449 states and 709728 transitions. Second operand has 5 states, 5 states have (on average 4.6) internal successors, (23), 4 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 06:27:41,032 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 06:27:41,033 INFO L93 Difference]: Finished difference Result 10890 states and 36634 transitions. [2022-12-14 06:27:41,033 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-14 06:27:41,033 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 4.6) internal successors, (23), 4 states have internal predecessors, (23), 0 states have call successors, (0), 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 23 [2022-12-14 06:27:41,033 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 06:27:41,059 INFO L225 Difference]: With dead ends: 10890 [2022-12-14 06:27:41,059 INFO L226 Difference]: Without dead ends: 10890 [2022-12-14 06:27:41,059 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-14 06:27:41,059 INFO L413 NwaCegarLoop]: 38 mSDtfsCounter, 69 mSDsluCounter, 18 mSDsCounter, 0 mSdLazyCounter, 92 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 69 SdHoareTripleChecker+Valid, 56 SdHoareTripleChecker+Invalid, 102 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 92 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-14 06:27:41,060 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [69 Valid, 56 Invalid, 102 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 92 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-14 06:27:41,073 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10890 states. [2022-12-14 06:27:41,160 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10890 to 7072. [2022-12-14 06:27:41,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7072 states, 7068 states have (on average 3.32088285229202) internal successors, (23472), 7071 states have internal predecessors, (23472), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 06:27:41,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7072 states to 7072 states and 23472 transitions. [2022-12-14 06:27:41,185 INFO L78 Accepts]: Start accepts. Automaton has 7072 states and 23472 transitions. Word has length 23 [2022-12-14 06:27:41,185 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 06:27:41,185 INFO L495 AbstractCegarLoop]: Abstraction has 7072 states and 23472 transitions. [2022-12-14 06:27:41,185 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 4.6) internal successors, (23), 4 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 06:27:41,185 INFO L276 IsEmpty]: Start isEmpty. Operand 7072 states and 23472 transitions. [2022-12-14 06:27:41,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-12-14 06:27:41,188 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 06:27:41,189 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] [2022-12-14 06:27:41,189 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-12-14 06:27:41,189 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting processErr6ASSERT_VIOLATIONDATA_RACE === [processErr0ASSERT_VIOLATIONDATA_RACE, processErr1ASSERT_VIOLATIONDATA_RACE, processErr2ASSERT_VIOLATIONDATA_RACE, processErr3ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-12-14 06:27:41,189 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 06:27:41,189 INFO L85 PathProgramCache]: Analyzing trace with hash 1960516047, now seen corresponding path program 1 times [2022-12-14 06:27:41,189 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 06:27:41,189 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [631065344] [2022-12-14 06:27:41,189 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 06:27:41,189 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 06:27:41,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 06:27:41,233 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 06:27:41,233 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 06:27:41,233 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [631065344] [2022-12-14 06:27:41,233 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [631065344] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 06:27:41,233 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 06:27:41,234 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-14 06:27:41,234 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1160373272] [2022-12-14 06:27:41,234 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 06:27:41,234 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 06:27:41,234 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 06:27:41,234 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 06:27:41,235 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 06:27:41,235 INFO L87 Difference]: Start difference. First operand 7072 states and 23472 transitions. Second operand has 3 states, 2 states have (on average 12.5) internal successors, (25), 3 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 06:27:41,339 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 06:27:41,339 INFO L93 Difference]: Finished difference Result 7165 states and 23804 transitions. [2022-12-14 06:27:41,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 06:27:41,340 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 12.5) internal successors, (25), 3 states have internal predecessors, (25), 0 states have call successors, (0), 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 25 [2022-12-14 06:27:41,340 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 06:27:41,355 INFO L225 Difference]: With dead ends: 7165 [2022-12-14 06:27:41,356 INFO L226 Difference]: Without dead ends: 7165 [2022-12-14 06:27:41,356 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 06:27:41,356 INFO L413 NwaCegarLoop]: 36 mSDtfsCounter, 18 mSDsluCounter, 22 mSDsCounter, 0 mSdLazyCounter, 109 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 58 SdHoareTripleChecker+Invalid, 110 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 109 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-14 06:27:41,356 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [18 Valid, 58 Invalid, 110 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 109 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-14 06:27:41,368 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7165 states. [2022-12-14 06:27:41,715 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7165 to 7084. [2022-12-14 06:27:41,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7084 states, 7082 states have (on average 3.3218017509178197) internal successors, (23525), 7083 states have internal predecessors, (23525), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 06:27:41,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7084 states to 7084 states and 23525 transitions. [2022-12-14 06:27:41,738 INFO L78 Accepts]: Start accepts. Automaton has 7084 states and 23525 transitions. Word has length 25 [2022-12-14 06:27:41,738 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 06:27:41,738 INFO L495 AbstractCegarLoop]: Abstraction has 7084 states and 23525 transitions. [2022-12-14 06:27:41,738 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 12.5) internal successors, (25), 3 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 06:27:41,738 INFO L276 IsEmpty]: Start isEmpty. Operand 7084 states and 23525 transitions. [2022-12-14 06:27:41,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-12-14 06:27:41,743 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 06:27:41,743 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] [2022-12-14 06:27:41,743 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-12-14 06:27:41,743 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting processErr4ASSERT_VIOLATIONDATA_RACE === [processErr0ASSERT_VIOLATIONDATA_RACE, processErr1ASSERT_VIOLATIONDATA_RACE, processErr2ASSERT_VIOLATIONDATA_RACE, processErr3ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-12-14 06:27:41,743 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 06:27:41,744 INFO L85 PathProgramCache]: Analyzing trace with hash -1169702734, now seen corresponding path program 1 times [2022-12-14 06:27:41,744 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 06:27:41,744 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1649926397] [2022-12-14 06:27:41,744 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 06:27:41,744 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 06:27:41,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 06:27:41,818 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 06:27:41,818 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 06:27:41,818 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1649926397] [2022-12-14 06:27:41,818 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1649926397] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 06:27:41,818 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 06:27:41,819 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 06:27:41,819 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1172729608] [2022-12-14 06:27:41,819 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 06:27:41,819 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 06:27:41,819 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 06:27:41,819 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 06:27:41,820 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 06:27:41,820 INFO L87 Difference]: Start difference. First operand 7084 states and 23525 transitions. Second operand has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 06:27:41,932 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 06:27:41,932 INFO L93 Difference]: Finished difference Result 10101 states and 33454 transitions. [2022-12-14 06:27:41,933 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 06:27:41,933 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 0 states have call successors, (0), 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 26 [2022-12-14 06:27:41,933 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 06:27:41,954 INFO L225 Difference]: With dead ends: 10101 [2022-12-14 06:27:41,954 INFO L226 Difference]: Without dead ends: 10101 [2022-12-14 06:27:41,954 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 [2022-12-14 06:27:41,955 INFO L413 NwaCegarLoop]: 47 mSDtfsCounter, 51 mSDsluCounter, 32 mSDsCounter, 0 mSdLazyCounter, 108 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 51 SdHoareTripleChecker+Valid, 79 SdHoareTripleChecker+Invalid, 115 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 108 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-14 06:27:41,955 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [51 Valid, 79 Invalid, 115 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 108 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-14 06:27:41,967 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10101 states. [2022-12-14 06:27:42,060 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10101 to 8790. [2022-12-14 06:27:42,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8790 states, 8788 states have (on average 3.3229403732362313) internal successors, (29202), 8789 states have internal predecessors, (29202), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 06:27:42,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8790 states to 8790 states and 29202 transitions. [2022-12-14 06:27:42,088 INFO L78 Accepts]: Start accepts. Automaton has 8790 states and 29202 transitions. Word has length 26 [2022-12-14 06:27:42,088 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 06:27:42,088 INFO L495 AbstractCegarLoop]: Abstraction has 8790 states and 29202 transitions. [2022-12-14 06:27:42,088 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 06:27:42,088 INFO L276 IsEmpty]: Start isEmpty. Operand 8790 states and 29202 transitions. [2022-12-14 06:27:42,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-12-14 06:27:42,093 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 06:27:42,093 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 06:27:42,093 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-12-14 06:27:42,094 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting disposeErr0ASSERT_VIOLATIONDATA_RACE === [processErr0ASSERT_VIOLATIONDATA_RACE, processErr1ASSERT_VIOLATIONDATA_RACE, processErr2ASSERT_VIOLATIONDATA_RACE, processErr3ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-12-14 06:27:42,094 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 06:27:42,094 INFO L85 PathProgramCache]: Analyzing trace with hash -210285474, now seen corresponding path program 1 times [2022-12-14 06:27:42,094 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 06:27:42,094 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1427291316] [2022-12-14 06:27:42,094 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 06:27:42,094 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 06:27:42,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 06:27:42,157 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 06:27:42,157 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 06:27:42,158 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1427291316] [2022-12-14 06:27:42,158 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1427291316] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 06:27:42,158 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 06:27:42,158 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-14 06:27:42,158 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [422359105] [2022-12-14 06:27:42,158 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 06:27:42,158 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 06:27:42,158 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 06:27:42,159 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 06:27:42,159 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 06:27:42,159 INFO L87 Difference]: Start difference. First operand 8790 states and 29202 transitions. Second operand has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 2 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) [2022-12-14 06:27:42,269 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 06:27:42,269 INFO L93 Difference]: Finished difference Result 9970 states and 32677 transitions. [2022-12-14 06:27:42,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 06:27:42,270 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 2 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 [2022-12-14 06:27:42,270 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 06:27:42,292 INFO L225 Difference]: With dead ends: 9970 [2022-12-14 06:27:42,292 INFO L226 Difference]: Without dead ends: 9970 [2022-12-14 06:27:42,292 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 06:27:42,293 INFO L413 NwaCegarLoop]: 33 mSDtfsCounter, 34 mSDsluCounter, 25 mSDsCounter, 0 mSdLazyCounter, 88 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 34 SdHoareTripleChecker+Valid, 58 SdHoareTripleChecker+Invalid, 89 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 88 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-14 06:27:42,293 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [34 Valid, 58 Invalid, 89 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 88 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-14 06:27:42,307 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9970 states. [2022-12-14 06:27:42,428 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9970 to 9382. [2022-12-14 06:27:42,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9382 states, 9380 states have (on average 3.283368869936034) internal successors, (30798), 9381 states have internal predecessors, (30798), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 06:27:42,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9382 states to 9382 states and 30798 transitions. [2022-12-14 06:27:42,458 INFO L78 Accepts]: Start accepts. Automaton has 9382 states and 30798 transitions. Word has length 31 [2022-12-14 06:27:42,458 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 06:27:42,459 INFO L495 AbstractCegarLoop]: Abstraction has 9382 states and 30798 transitions. [2022-12-14 06:27:42,459 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 2 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) [2022-12-14 06:27:42,459 INFO L276 IsEmpty]: Start isEmpty. Operand 9382 states and 30798 transitions. [2022-12-14 06:27:42,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-12-14 06:27:42,462 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 06:27:42,463 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 06:27:42,463 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-12-14 06:27:42,463 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting processErr8ASSERT_VIOLATIONDATA_RACE === [processErr0ASSERT_VIOLATIONDATA_RACE, processErr1ASSERT_VIOLATIONDATA_RACE, processErr2ASSERT_VIOLATIONDATA_RACE, processErr3ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-12-14 06:27:42,463 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 06:27:42,463 INFO L85 PathProgramCache]: Analyzing trace with hash -1985658694, now seen corresponding path program 1 times [2022-12-14 06:27:42,463 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 06:27:42,463 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1020225418] [2022-12-14 06:27:42,463 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 06:27:42,463 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 06:27:42,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 06:27:42,492 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 06:27:42,492 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 06:27:42,492 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1020225418] [2022-12-14 06:27:42,492 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1020225418] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 06:27:42,492 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 06:27:42,492 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-14 06:27:42,493 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1883621052] [2022-12-14 06:27:42,493 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 06:27:42,493 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 06:27:42,493 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 06:27:42,493 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 06:27:42,493 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 06:27:42,493 INFO L87 Difference]: Start difference. First operand 9382 states and 30798 transitions. Second operand has 3 states, 2 states have (on average 16.0) internal successors, (32), 3 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 06:27:42,589 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 06:27:42,589 INFO L93 Difference]: Finished difference Result 9250 states and 30353 transitions. [2022-12-14 06:27:42,590 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 06:27:42,590 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 16.0) internal successors, (32), 3 states have internal predecessors, (32), 0 states have call successors, (0), 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 32 [2022-12-14 06:27:42,590 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 06:27:42,608 INFO L225 Difference]: With dead ends: 9250 [2022-12-14 06:27:42,608 INFO L226 Difference]: Without dead ends: 9250 [2022-12-14 06:27:42,609 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 06:27:42,609 INFO L413 NwaCegarLoop]: 39 mSDtfsCounter, 19 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 105 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 59 SdHoareTripleChecker+Invalid, 105 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 105 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-14 06:27:42,609 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [19 Valid, 59 Invalid, 105 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 105 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-14 06:27:42,621 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9250 states. [2022-12-14 06:27:42,733 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9250 to 9250. [2022-12-14 06:27:42,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9250 states, 9250 states have (on average 3.2814054054054056) internal successors, (30353), 9249 states have internal predecessors, (30353), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 06:27:42,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9250 states to 9250 states and 30353 transitions. [2022-12-14 06:27:42,862 INFO L78 Accepts]: Start accepts. Automaton has 9250 states and 30353 transitions. Word has length 32 [2022-12-14 06:27:42,862 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 06:27:42,862 INFO L495 AbstractCegarLoop]: Abstraction has 9250 states and 30353 transitions. [2022-12-14 06:27:42,862 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 16.0) internal successors, (32), 3 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 06:27:42,863 INFO L276 IsEmpty]: Start isEmpty. Operand 9250 states and 30353 transitions. [2022-12-14 06:27:42,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2022-12-14 06:27:42,869 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 06:27:42,869 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 06:27:42,869 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-12-14 06:27:42,869 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting disposeErr0ASSERT_VIOLATIONDATA_RACE === [processErr0ASSERT_VIOLATIONDATA_RACE, processErr1ASSERT_VIOLATIONDATA_RACE, processErr2ASSERT_VIOLATIONDATA_RACE, processErr3ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-12-14 06:27:42,869 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 06:27:42,869 INFO L85 PathProgramCache]: Analyzing trace with hash -1107353386, now seen corresponding path program 1 times [2022-12-14 06:27:42,869 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 06:27:42,870 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1340007605] [2022-12-14 06:27:42,870 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 06:27:42,870 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 06:27:42,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 06:27:43,087 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 06:27:43,087 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 06:27:43,087 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1340007605] [2022-12-14 06:27:43,087 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1340007605] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 06:27:43,087 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 06:27:43,087 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-14 06:27:43,088 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1668545695] [2022-12-14 06:27:43,088 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 06:27:43,088 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-14 06:27:43,088 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 06:27:43,088 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-14 06:27:43,089 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-14 06:27:43,089 INFO L87 Difference]: Start difference. First operand 9250 states and 30353 transitions. Second operand has 5 states, 5 states have (on average 7.0) internal successors, (35), 4 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 06:27:43,223 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 06:27:43,223 INFO L93 Difference]: Finished difference Result 6094 states and 19885 transitions. [2022-12-14 06:27:43,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-14 06:27:43,224 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.0) internal successors, (35), 4 states have internal predecessors, (35), 0 states have call successors, (0), 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 35 [2022-12-14 06:27:43,224 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 06:27:43,224 INFO L225 Difference]: With dead ends: 6094 [2022-12-14 06:27:43,224 INFO L226 Difference]: Without dead ends: 0 [2022-12-14 06:27:43,224 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-14 06:27:43,225 INFO L413 NwaCegarLoop]: 41 mSDtfsCounter, 101 mSDsluCounter, 28 mSDsCounter, 0 mSdLazyCounter, 127 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 101 SdHoareTripleChecker+Valid, 69 SdHoareTripleChecker+Invalid, 136 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 127 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-14 06:27:43,225 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [101 Valid, 69 Invalid, 136 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 127 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-14 06:27:43,225 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-12-14 06:27:43,225 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-12-14 06:27:43,225 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) [2022-12-14 06:27:43,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-12-14 06:27:43,225 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 35 [2022-12-14 06:27:43,226 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 06:27:43,226 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-12-14 06:27:43,226 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.0) internal successors, (35), 4 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 06:27:43,226 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-12-14 06:27:43,226 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-12-14 06:27:43,228 INFO L805 garLoopResultBuilder]: Registering result SAFE for location processErr0ASSERT_VIOLATIONDATA_RACE (30 of 31 remaining) [2022-12-14 06:27:43,228 INFO L805 garLoopResultBuilder]: Registering result SAFE for location processErr1ASSERT_VIOLATIONDATA_RACE (29 of 31 remaining) [2022-12-14 06:27:43,228 INFO L805 garLoopResultBuilder]: Registering result SAFE for location processErr2ASSERT_VIOLATIONDATA_RACE (28 of 31 remaining) [2022-12-14 06:27:43,228 INFO L805 garLoopResultBuilder]: Registering result SAFE for location processErr3ASSERT_VIOLATIONDATA_RACE (27 of 31 remaining) [2022-12-14 06:27:43,228 INFO L805 garLoopResultBuilder]: Registering result SAFE for location processErr4ASSERT_VIOLATIONDATA_RACE (26 of 31 remaining) [2022-12-14 06:27:43,229 INFO L805 garLoopResultBuilder]: Registering result SAFE for location processErr5ASSERT_VIOLATIONDATA_RACE (25 of 31 remaining) [2022-12-14 06:27:43,229 INFO L805 garLoopResultBuilder]: Registering result SAFE for location processErr6ASSERT_VIOLATIONDATA_RACE (24 of 31 remaining) [2022-12-14 06:27:43,229 INFO L805 garLoopResultBuilder]: Registering result SAFE for location processErr7ASSERT_VIOLATIONDATA_RACE (23 of 31 remaining) [2022-12-14 06:27:43,229 INFO L805 garLoopResultBuilder]: Registering result SAFE for location processErr8ASSERT_VIOLATIONDATA_RACE (22 of 31 remaining) [2022-12-14 06:27:43,229 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (21 of 31 remaining) [2022-12-14 06:27:43,229 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (20 of 31 remaining) [2022-12-14 06:27:43,229 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (19 of 31 remaining) [2022-12-14 06:27:43,229 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (18 of 31 remaining) [2022-12-14 06:27:43,229 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (17 of 31 remaining) [2022-12-14 06:27:43,229 INFO L805 garLoopResultBuilder]: Registering result SAFE for location disposeErr0ASSERT_VIOLATIONDATA_RACE (16 of 31 remaining) [2022-12-14 06:27:43,230 INFO L805 garLoopResultBuilder]: Registering result SAFE for location disposeErr1ASSERT_VIOLATIONDATA_RACE (15 of 31 remaining) [2022-12-14 06:27:43,230 INFO L805 garLoopResultBuilder]: Registering result SAFE for location generateErr0ASSERT_VIOLATIONDATA_RACE (14 of 31 remaining) [2022-12-14 06:27:43,230 INFO L805 garLoopResultBuilder]: Registering result SAFE for location generateErr1ASSERT_VIOLATIONDATA_RACE (13 of 31 remaining) [2022-12-14 06:27:43,230 INFO L805 garLoopResultBuilder]: Registering result SAFE for location processErr0ASSERT_VIOLATIONDATA_RACE (12 of 31 remaining) [2022-12-14 06:27:43,230 INFO L805 garLoopResultBuilder]: Registering result SAFE for location processErr1ASSERT_VIOLATIONDATA_RACE (11 of 31 remaining) [2022-12-14 06:27:43,230 INFO L805 garLoopResultBuilder]: Registering result SAFE for location processErr2ASSERT_VIOLATIONDATA_RACE (10 of 31 remaining) [2022-12-14 06:27:43,230 INFO L805 garLoopResultBuilder]: Registering result SAFE for location processErr3ASSERT_VIOLATIONDATA_RACE (9 of 31 remaining) [2022-12-14 06:27:43,230 INFO L805 garLoopResultBuilder]: Registering result SAFE for location processErr4ASSERT_VIOLATIONDATA_RACE (8 of 31 remaining) [2022-12-14 06:27:43,230 INFO L805 garLoopResultBuilder]: Registering result SAFE for location processErr5ASSERT_VIOLATIONDATA_RACE (7 of 31 remaining) [2022-12-14 06:27:43,230 INFO L805 garLoopResultBuilder]: Registering result SAFE for location processErr6ASSERT_VIOLATIONDATA_RACE (6 of 31 remaining) [2022-12-14 06:27:43,231 INFO L805 garLoopResultBuilder]: Registering result SAFE for location processErr7ASSERT_VIOLATIONDATA_RACE (5 of 31 remaining) [2022-12-14 06:27:43,231 INFO L805 garLoopResultBuilder]: Registering result SAFE for location processErr8ASSERT_VIOLATIONDATA_RACE (4 of 31 remaining) [2022-12-14 06:27:43,231 INFO L805 garLoopResultBuilder]: Registering result SAFE for location disposeErr0ASSERT_VIOLATIONDATA_RACE (3 of 31 remaining) [2022-12-14 06:27:43,231 INFO L805 garLoopResultBuilder]: Registering result SAFE for location disposeErr1ASSERT_VIOLATIONDATA_RACE (2 of 31 remaining) [2022-12-14 06:27:43,231 INFO L805 garLoopResultBuilder]: Registering result SAFE for location generateErr0ASSERT_VIOLATIONDATA_RACE (1 of 31 remaining) [2022-12-14 06:27:43,231 INFO L805 garLoopResultBuilder]: Registering result SAFE for location generateErr1ASSERT_VIOLATIONDATA_RACE (0 of 31 remaining) [2022-12-14 06:27:43,231 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-12-14 06:27:43,233 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 06:27:43,236 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-12-14 06:27:43,237 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-14 06:27:43,238 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.12 06:27:43 BasicIcfg [2022-12-14 06:27:43,238 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-14 06:27:43,239 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-14 06:27:43,239 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-14 06:27:43,239 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-14 06:27:43,240 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 06:26:42" (3/4) ... [2022-12-14 06:27:43,241 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-12-14 06:27:43,246 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure process [2022-12-14 06:27:43,246 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure dispose [2022-12-14 06:27:43,246 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure generate [2022-12-14 06:27:43,249 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 16 nodes and edges [2022-12-14 06:27:43,249 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-12-14 06:27:43,249 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-12-14 06:27:43,249 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-12-14 06:27:43,271 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777bd983-f313-44b4-865e-bfa3781876d2/bin/utaipan-gh47qXpMRh/witness.graphml [2022-12-14 06:27:43,272 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-14 06:27:43,272 INFO L158 Benchmark]: Toolchain (without parser) took 61382.68ms. Allocated memory was 155.2MB in the beginning and 15.0GB in the end (delta: 14.8GB). Free memory was 109.4MB in the beginning and 6.7GB in the end (delta: -6.6GB). Peak memory consumption was 8.2GB. Max. memory is 16.1GB. [2022-12-14 06:27:43,272 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 155.2MB. Free memory is still 123.5MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 06:27:43,272 INFO L158 Benchmark]: CACSL2BoogieTranslator took 449.81ms. Allocated memory is still 155.2MB. Free memory was 109.4MB in the beginning and 78.7MB in the end (delta: 30.7MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. [2022-12-14 06:27:43,273 INFO L158 Benchmark]: Boogie Procedure Inliner took 45.79ms. Allocated memory is still 155.2MB. Free memory was 78.7MB in the beginning and 75.9MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 06:27:43,273 INFO L158 Benchmark]: Boogie Preprocessor took 35.95ms. Allocated memory is still 155.2MB. Free memory was 75.9MB in the beginning and 73.1MB in the end (delta: 2.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-12-14 06:27:43,273 INFO L158 Benchmark]: RCFGBuilder took 560.10ms. Allocated memory was 155.2MB in the beginning and 186.6MB in the end (delta: 31.5MB). Free memory was 73.1MB in the beginning and 148.1MB in the end (delta: -75.0MB). Peak memory consumption was 28.3MB. Max. memory is 16.1GB. [2022-12-14 06:27:43,273 INFO L158 Benchmark]: TraceAbstraction took 60251.75ms. Allocated memory was 186.6MB in the beginning and 15.0GB in the end (delta: 14.8GB). Free memory was 148.1MB in the beginning and 6.8GB in the end (delta: -6.6GB). Peak memory consumption was 8.2GB. Max. memory is 16.1GB. [2022-12-14 06:27:43,273 INFO L158 Benchmark]: Witness Printer took 32.56ms. Allocated memory is still 15.0GB. Free memory was 6.8GB in the beginning and 6.7GB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 06:27:43,275 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 155.2MB. Free memory is still 123.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 449.81ms. Allocated memory is still 155.2MB. Free memory was 109.4MB in the beginning and 78.7MB in the end (delta: 30.7MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 45.79ms. Allocated memory is still 155.2MB. Free memory was 78.7MB in the beginning and 75.9MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 35.95ms. Allocated memory is still 155.2MB. Free memory was 75.9MB in the beginning and 73.1MB in the end (delta: 2.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 560.10ms. Allocated memory was 155.2MB in the beginning and 186.6MB in the end (delta: 31.5MB). Free memory was 73.1MB in the beginning and 148.1MB in the end (delta: -75.0MB). Peak memory consumption was 28.3MB. Max. memory is 16.1GB. * TraceAbstraction took 60251.75ms. Allocated memory was 186.6MB in the beginning and 15.0GB in the end (delta: 14.8GB). Free memory was 148.1MB in the beginning and 6.8GB in the end (delta: -6.6GB). Peak memory consumption was 8.2GB. Max. memory is 16.1GB. * Witness Printer took 32.56ms. Allocated memory is still 15.0GB. Free memory was 6.8GB in the beginning and 6.7GB in the end (delta: 3.1MB). 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: 3.7s, 212 PlacesBefore, 93 PlacesAfterwards, 214 TransitionsBefore, 91 TransitionsAfterwards, 20632 CoEnabledTransitionPairs, 17 FixpointIterations, 34 TrivialSequentialCompositions, 110 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 23 ConcurrentYvCompositions, 4 ChoiceCompositions, 171 TotalNumberOfCompositions, 153280 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 48586, independent: 46243, independent conditional: 0, independent unconditional: 46243, dependent: 2343, dependent conditional: 0, dependent unconditional: 2343, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 13966, independent: 13766, independent conditional: 0, independent unconditional: 13766, dependent: 200, dependent conditional: 0, dependent unconditional: 200, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 13966, independent: 13103, independent conditional: 0, independent unconditional: 13103, dependent: 863, dependent conditional: 0, dependent unconditional: 863, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 863, independent: 663, independent conditional: 0, independent unconditional: 663, dependent: 200, dependent conditional: 0, dependent unconditional: 200, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 513, independent: 277, independent conditional: 0, independent unconditional: 277, dependent: 236, dependent conditional: 0, dependent unconditional: 236, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 48586, independent: 32477, independent conditional: 0, independent unconditional: 32477, dependent: 2143, dependent conditional: 0, dependent unconditional: 2143, unknown: 13966, unknown conditional: 0, unknown unconditional: 13966] , Statistics on independence cache: Total cache size (in pairs): 2143, Positive cache size: 2034, Positive conditional cache size: 0, Positive unconditional cache size: 2034, Negative cache size: 109, Negative conditional cache size: 0, Negative unconditional cache size: 109, 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: 1169]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1170]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1170]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1172]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1172]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1173]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1173]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1175]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1175]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1208]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1208]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1188]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1189]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1159]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1160]: 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 7 procedures, 321 locations, 31 error locations. Started 1 CEGAR loops. OverallTime: 60.1s, OverallIterations: 15, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 19.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 5.8s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 734 SdHoareTripleChecker+Valid, 1.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 734 mSDsluCounter, 1076 SdHoareTripleChecker+Invalid, 1.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 366 mSDsCounter, 62 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1684 IncrementalHoareTripleChecker+Invalid, 1746 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 62 mSolverCounterUnsat, 710 mSDtfsCounter, 1684 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 37 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=178449occurred in iteration=9, InterpolantAutomatonStates: 46, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 33.3s AutomataMinimizationTime, 15 MinimizatonAttempts, 192441 StatesRemovedByMinimization, 10 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.4s InterpolantComputationTime, 281 NumberOfCodeBlocks, 281 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 266 ConstructedInterpolants, 0 QuantifiedInterpolants, 744 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 15 InterpolantComputations, 15 PerfectInterpolantSequences, 4/4 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 15 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-12-14 06:27:43,287 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777bd983-f313-44b4-865e-bfa3781876d2/bin/utaipan-gh47qXpMRh/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