./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/goblint-regression/06-symbeq_13-equ_proc_nr.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 38b53e6a 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_33804a74-87d0-4bc4-b4f8-04ee8efe6153/bin/utaipan-ByfvJB40ur/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33804a74-87d0-4bc4-b4f8-04ee8efe6153/bin/utaipan-ByfvJB40ur/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33804a74-87d0-4bc4-b4f8-04ee8efe6153/bin/utaipan-ByfvJB40ur/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33804a74-87d0-4bc4-b4f8-04ee8efe6153/bin/utaipan-ByfvJB40ur/config/TaipanReach.xml -i ../../sv-benchmarks/c/goblint-regression/06-symbeq_13-equ_proc_nr.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33804a74-87d0-4bc4-b4f8-04ee8efe6153/bin/utaipan-ByfvJB40ur/config/svcomp-DataRace-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33804a74-87d0-4bc4-b4f8-04ee8efe6153/bin/utaipan-ByfvJB40ur --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 7aa541197ab3d76d3553dcc8603f5c865e8a029202164eb406db53a61111f080 --- 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-38b53e6 [2022-11-26 00:59:33,790 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-26 00:59:33,792 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-26 00:59:33,834 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-26 00:59:33,834 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-26 00:59:33,838 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-26 00:59:33,841 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-26 00:59:33,844 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-26 00:59:33,846 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-26 00:59:33,851 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-26 00:59:33,853 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-26 00:59:33,856 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-26 00:59:33,856 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-26 00:59:33,858 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-26 00:59:33,860 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-26 00:59:33,862 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-26 00:59:33,864 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-26 00:59:33,864 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-26 00:59:33,866 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-26 00:59:33,873 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-26 00:59:33,874 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-26 00:59:33,876 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-26 00:59:33,878 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-26 00:59:33,879 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-26 00:59:33,890 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-26 00:59:33,890 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-26 00:59:33,890 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-26 00:59:33,892 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-26 00:59:33,893 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-26 00:59:33,894 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-26 00:59:33,894 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-26 00:59:33,895 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-26 00:59:33,898 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-26 00:59:33,900 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-26 00:59:33,901 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-26 00:59:33,901 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-26 00:59:33,902 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-26 00:59:33,902 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-26 00:59:33,902 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-26 00:59:33,913 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-26 00:59:33,913 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-26 00:59:33,914 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33804a74-87d0-4bc4-b4f8-04ee8efe6153/bin/utaipan-ByfvJB40ur/config/svcomp-DataRace-32bit-Taipan_Default.epf [2022-11-26 00:59:33,974 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-26 00:59:33,974 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-26 00:59:33,975 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-26 00:59:33,975 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-26 00:59:33,976 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-26 00:59:33,976 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-26 00:59:33,976 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-26 00:59:33,976 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-26 00:59:33,977 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-26 00:59:33,977 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-26 00:59:33,978 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-26 00:59:33,978 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-26 00:59:33,978 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-26 00:59:33,978 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-26 00:59:33,979 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-26 00:59:33,979 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-26 00:59:33,979 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-26 00:59:33,979 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-26 00:59:33,980 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-26 00:59:33,980 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-26 00:59:33,980 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-26 00:59:33,980 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-26 00:59:33,980 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-26 00:59:33,981 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-26 00:59:33,981 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-26 00:59:33,981 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-26 00:59:33,981 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-26 00:59:33,981 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-11-26 00:59:33,982 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-26 00:59:33,982 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-26 00:59:33,982 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-26 00:59:33,982 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-26 00:59:33,983 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-26 00:59:33,983 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-26 00:59:33,983 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-26 00:59:33,983 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-26 00:59:33,983 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-26 00:59:33,984 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-26 00:59:33,984 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-26 00:59:33,984 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-26 00:59:33,984 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-26 00:59:33,984 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-26 00:59:33,984 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-26 00:59:33,985 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_33804a74-87d0-4bc4-b4f8-04ee8efe6153/bin/utaipan-ByfvJB40ur/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33804a74-87d0-4bc4-b4f8-04ee8efe6153/bin/utaipan-ByfvJB40ur Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7aa541197ab3d76d3553dcc8603f5c865e8a029202164eb406db53a61111f080 [2022-11-26 00:59:34,272 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-26 00:59:34,334 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-26 00:59:34,349 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-26 00:59:34,351 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-26 00:59:34,367 INFO L275 PluginConnector]: CDTParser initialized [2022-11-26 00:59:34,368 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33804a74-87d0-4bc4-b4f8-04ee8efe6153/bin/utaipan-ByfvJB40ur/../../sv-benchmarks/c/goblint-regression/06-symbeq_13-equ_proc_nr.i [2022-11-26 00:59:37,356 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-26 00:59:37,659 INFO L351 CDTParser]: Found 1 translation units. [2022-11-26 00:59:37,669 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33804a74-87d0-4bc4-b4f8-04ee8efe6153/sv-benchmarks/c/goblint-regression/06-symbeq_13-equ_proc_nr.i [2022-11-26 00:59:37,690 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33804a74-87d0-4bc4-b4f8-04ee8efe6153/bin/utaipan-ByfvJB40ur/data/d347e1c87/d41c728d2c70496783cfe1f536502bf5/FLAGaa795e2c0 [2022-11-26 00:59:37,714 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33804a74-87d0-4bc4-b4f8-04ee8efe6153/bin/utaipan-ByfvJB40ur/data/d347e1c87/d41c728d2c70496783cfe1f536502bf5 [2022-11-26 00:59:37,717 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-26 00:59:37,719 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-26 00:59:37,722 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-26 00:59:37,723 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-26 00:59:37,727 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-26 00:59:37,728 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:59:37" (1/1) ... [2022-11-26 00:59:37,729 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@401ac0a7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:59:37, skipping insertion in model container [2022-11-26 00:59:37,730 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:59:37" (1/1) ... [2022-11-26 00:59:37,738 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-26 00:59:37,807 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-26 00:59:38,400 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-26 00:59:38,414 INFO L203 MainTranslator]: Completed pre-run [2022-11-26 00:59:38,497 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-26 00:59:38,553 INFO L208 MainTranslator]: Completed translation [2022-11-26 00:59:38,554 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:59:38 WrapperNode [2022-11-26 00:59:38,554 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-26 00:59:38,555 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-26 00:59:38,556 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-26 00:59:38,556 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-26 00:59:38,564 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:59:38" (1/1) ... [2022-11-26 00:59:38,590 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:59:38" (1/1) ... [2022-11-26 00:59:38,612 INFO L138 Inliner]: procedures = 266, calls = 26, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 60 [2022-11-26 00:59:38,613 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-26 00:59:38,613 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-26 00:59:38,614 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-26 00:59:38,614 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-26 00:59:38,630 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:59:38" (1/1) ... [2022-11-26 00:59:38,631 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:59:38" (1/1) ... [2022-11-26 00:59:38,634 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:59:38" (1/1) ... [2022-11-26 00:59:38,635 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:59:38" (1/1) ... [2022-11-26 00:59:38,644 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:59:38" (1/1) ... [2022-11-26 00:59:38,646 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:59:38" (1/1) ... [2022-11-26 00:59:38,647 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:59:38" (1/1) ... [2022-11-26 00:59:38,648 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:59:38" (1/1) ... [2022-11-26 00:59:38,651 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-26 00:59:38,652 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-26 00:59:38,652 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-26 00:59:38,652 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-26 00:59:38,653 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:59:38" (1/1) ... [2022-11-26 00:59:38,669 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-26 00:59:38,684 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33804a74-87d0-4bc4-b4f8-04ee8efe6153/bin/utaipan-ByfvJB40ur/z3 [2022-11-26 00:59:38,713 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33804a74-87d0-4bc4-b4f8-04ee8efe6153/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-26 00:59:38,749 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33804a74-87d0-4bc4-b4f8-04ee8efe6153/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-26 00:59:38,765 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-26 00:59:38,765 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-26 00:59:38,765 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-26 00:59:38,765 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-11-26 00:59:38,766 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-26 00:59:38,766 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2022-11-26 00:59:38,766 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2022-11-26 00:59:38,766 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-26 00:59:38,767 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-26 00:59:38,767 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-26 00:59:38,768 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-26 00:59:38,896 INFO L235 CfgBuilder]: Building ICFG [2022-11-26 00:59:38,898 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-26 00:59:39,129 INFO L276 CfgBuilder]: Performing block encoding [2022-11-26 00:59:39,136 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-26 00:59:39,137 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-26 00:59:39,139 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 12:59:39 BoogieIcfgContainer [2022-11-26 00:59:39,139 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-26 00:59:39,141 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-26 00:59:39,151 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-26 00:59:39,171 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-26 00:59:39,171 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.11 12:59:37" (1/3) ... [2022-11-26 00:59:39,172 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3cca1946 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 12:59:39, skipping insertion in model container [2022-11-26 00:59:39,172 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:59:38" (2/3) ... [2022-11-26 00:59:39,173 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3cca1946 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 12:59:39, skipping insertion in model container [2022-11-26 00:59:39,173 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 12:59:39" (3/3) ... [2022-11-26 00:59:39,174 INFO L112 eAbstractionObserver]: Analyzing ICFG 06-symbeq_13-equ_proc_nr.i [2022-11-26 00:59:39,184 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-11-26 00:59:39,201 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-26 00:59:39,201 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-11-26 00:59:39,201 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-26 00:59:39,266 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-11-26 00:59:39,301 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-11-26 00:59:39,316 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 87 places, 84 transitions, 173 flow [2022-11-26 00:59:39,319 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 87 places, 84 transitions, 173 flow [2022-11-26 00:59:39,321 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 87 places, 84 transitions, 173 flow [2022-11-26 00:59:39,376 INFO L130 PetriNetUnfolder]: 1/83 cut-off events. [2022-11-26 00:59:39,376 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-11-26 00:59:39,381 INFO L83 FinitePrefix]: Finished finitePrefix Result has 87 conditions, 83 events. 1/83 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 36 event pairs, 0 based on Foata normal form. 0/80 useless extension candidates. Maximal degree in co-relation 42. Up to 2 conditions per place. [2022-11-26 00:59:39,382 INFO L119 LiptonReduction]: Number of co-enabled transitions 750 [2022-11-26 00:59:43,811 INFO L134 LiptonReduction]: Checked pairs total: 2856 [2022-11-26 00:59:43,812 INFO L136 LiptonReduction]: Total number of compositions: 63 [2022-11-26 00:59:43,821 INFO L113 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 25 places, 21 transitions, 47 flow [2022-11-26 00:59:43,841 INFO L135 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 98 states, 95 states have (on average 1.831578947368421) internal successors, (174), 97 states have internal predecessors, (174), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:59:43,860 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-26 00:59:43,867 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;@46baa4d4, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-26 00:59:43,867 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2022-11-26 00:59:43,870 INFO L276 IsEmpty]: Start isEmpty. Operand has 98 states, 95 states have (on average 1.831578947368421) internal successors, (174), 97 states have internal predecessors, (174), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:59:43,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-11-26 00:59:43,876 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:59:43,876 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:59:43,877 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, t_funErr0ASSERT_VIOLATIONDATA_RACE (and 1 more)] === [2022-11-26 00:59:43,882 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:59:43,882 INFO L85 PathProgramCache]: Analyzing trace with hash -1844951257, now seen corresponding path program 1 times [2022-11-26 00:59:43,893 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:59:43,893 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2133356002] [2022-11-26 00:59:43,894 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:59:43,894 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:59:44,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:59:44,652 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:59:44,652 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:59:44,655 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2133356002] [2022-11-26 00:59:44,656 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2133356002] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:59:44,656 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:59:44,657 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-26 00:59:44,658 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [770358323] [2022-11-26 00:59:44,661 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:59:44,666 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-26 00:59:44,667 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:59:44,696 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-26 00:59:44,697 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-26 00:59:44,702 INFO L87 Difference]: Start difference. First operand has 98 states, 95 states have (on average 1.831578947368421) internal successors, (174), 97 states have internal predecessors, (174), 0 states have call successors, (0), 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 6 states, 5 states have (on average 1.8) internal successors, (9), 6 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:59:44,928 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:59:44,929 INFO L93 Difference]: Finished difference Result 123 states and 218 transitions. [2022-11-26 00:59:44,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-26 00:59:44,931 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 1.8) internal successors, (9), 6 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9 [2022-11-26 00:59:44,932 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:59:44,945 INFO L225 Difference]: With dead ends: 123 [2022-11-26 00:59:44,946 INFO L226 Difference]: Without dead ends: 109 [2022-11-26 00:59:44,947 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-26 00:59:44,952 INFO L413 NwaCegarLoop]: 6 mSDtfsCounter, 20 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 144 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 6 SdHoareTripleChecker+Invalid, 144 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 144 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-26 00:59:44,954 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 6 Invalid, 144 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 144 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-26 00:59:44,973 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 109 states. [2022-11-26 00:59:45,001 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 109 to 109. [2022-11-26 00:59:45,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 109 states, 106 states have (on average 1.8113207547169812) internal successors, (192), 108 states have internal predecessors, (192), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:59:45,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 109 states and 192 transitions. [2022-11-26 00:59:45,012 INFO L78 Accepts]: Start accepts. Automaton has 109 states and 192 transitions. Word has length 9 [2022-11-26 00:59:45,012 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:59:45,013 INFO L495 AbstractCegarLoop]: Abstraction has 109 states and 192 transitions. [2022-11-26 00:59:45,017 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 1.8) internal successors, (9), 6 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:59:45,017 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 192 transitions. [2022-11-26 00:59:45,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-11-26 00:59:45,020 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:59:45,021 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:59:45,021 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-26 00:59:45,021 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, t_funErr0ASSERT_VIOLATIONDATA_RACE (and 1 more)] === [2022-11-26 00:59:45,022 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:59:45,022 INFO L85 PathProgramCache]: Analyzing trace with hash -747970624, now seen corresponding path program 1 times [2022-11-26 00:59:45,023 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:59:45,023 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [213811836] [2022-11-26 00:59:45,023 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:59:45,023 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:59:45,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:59:45,412 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:59:45,413 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:59:45,413 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [213811836] [2022-11-26 00:59:45,414 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [213811836] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:59:45,415 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:59:45,418 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-26 00:59:45,419 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1706432848] [2022-11-26 00:59:45,419 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:59:45,420 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-26 00:59:45,421 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:59:45,423 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-26 00:59:45,424 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-26 00:59:45,424 INFO L87 Difference]: Start difference. First operand 109 states and 192 transitions. Second operand has 6 states, 5 states have (on average 1.8) internal successors, (9), 6 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:59:45,658 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:59:45,658 INFO L93 Difference]: Finished difference Result 133 states and 234 transitions. [2022-11-26 00:59:45,659 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-26 00:59:45,659 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 1.8) internal successors, (9), 6 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9 [2022-11-26 00:59:45,659 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:59:45,661 INFO L225 Difference]: With dead ends: 133 [2022-11-26 00:59:45,661 INFO L226 Difference]: Without dead ends: 119 [2022-11-26 00:59:45,662 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-26 00:59:45,663 INFO L413 NwaCegarLoop]: 5 mSDtfsCounter, 20 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 220 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 5 SdHoareTripleChecker+Invalid, 220 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 220 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-26 00:59:45,663 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 5 Invalid, 220 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 220 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-26 00:59:45,664 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 119 states. [2022-11-26 00:59:45,672 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 119 to 119. [2022-11-26 00:59:45,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 119 states, 116 states have (on average 1.793103448275862) internal successors, (208), 118 states have internal predecessors, (208), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:59:45,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 119 states and 208 transitions. [2022-11-26 00:59:45,673 INFO L78 Accepts]: Start accepts. Automaton has 119 states and 208 transitions. Word has length 9 [2022-11-26 00:59:45,674 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:59:45,674 INFO L495 AbstractCegarLoop]: Abstraction has 119 states and 208 transitions. [2022-11-26 00:59:45,674 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 1.8) internal successors, (9), 6 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:59:45,674 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 208 transitions. [2022-11-26 00:59:45,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-11-26 00:59:45,675 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:59:45,675 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:59:45,675 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-26 00:59:45,676 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, t_funErr0ASSERT_VIOLATIONDATA_RACE (and 1 more)] === [2022-11-26 00:59:45,676 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:59:45,676 INFO L85 PathProgramCache]: Analyzing trace with hash -244590803, now seen corresponding path program 1 times [2022-11-26 00:59:45,677 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:59:45,677 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1563793890] [2022-11-26 00:59:45,677 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:59:45,677 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:59:45,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:59:46,551 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:59:46,553 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:59:46,553 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1563793890] [2022-11-26 00:59:46,553 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1563793890] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:59:46,553 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:59:46,554 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-11-26 00:59:46,554 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [818058291] [2022-11-26 00:59:46,554 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:59:46,554 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-11-26 00:59:46,555 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:59:46,555 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-11-26 00:59:46,556 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=73, Unknown=0, NotChecked=0, Total=110 [2022-11-26 00:59:46,556 INFO L87 Difference]: Start difference. First operand 119 states and 208 transitions. Second operand has 11 states, 10 states have (on average 1.2) internal successors, (12), 10 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:59:47,031 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:59:47,031 INFO L93 Difference]: Finished difference Result 127 states and 215 transitions. [2022-11-26 00:59:47,032 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-26 00:59:47,032 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 1.2) internal successors, (12), 10 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12 [2022-11-26 00:59:47,032 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:59:47,033 INFO L225 Difference]: With dead ends: 127 [2022-11-26 00:59:47,033 INFO L226 Difference]: Without dead ends: 118 [2022-11-26 00:59:47,033 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=66, Invalid=116, Unknown=0, NotChecked=0, Total=182 [2022-11-26 00:59:47,035 INFO L413 NwaCegarLoop]: 4 mSDtfsCounter, 54 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 246 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 54 SdHoareTripleChecker+Valid, 8 SdHoareTripleChecker+Invalid, 271 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 246 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-26 00:59:47,035 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [54 Valid, 8 Invalid, 271 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 246 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-26 00:59:47,036 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 118 states. [2022-11-26 00:59:47,042 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 118 to 118. [2022-11-26 00:59:47,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 118 states, 115 states have (on average 1.791304347826087) internal successors, (206), 117 states have internal predecessors, (206), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:59:47,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 118 states and 206 transitions. [2022-11-26 00:59:47,043 INFO L78 Accepts]: Start accepts. Automaton has 118 states and 206 transitions. Word has length 12 [2022-11-26 00:59:47,043 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:59:47,043 INFO L495 AbstractCegarLoop]: Abstraction has 118 states and 206 transitions. [2022-11-26 00:59:47,043 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 1.2) internal successors, (12), 10 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:59:47,044 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 206 transitions. [2022-11-26 00:59:47,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-11-26 00:59:47,044 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:59:47,045 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:59:47,045 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-26 00:59:47,045 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, t_funErr0ASSERT_VIOLATIONDATA_RACE (and 1 more)] === [2022-11-26 00:59:47,045 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:59:47,046 INFO L85 PathProgramCache]: Analyzing trace with hash -194501933, now seen corresponding path program 2 times [2022-11-26 00:59:47,046 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:59:47,046 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1756394064] [2022-11-26 00:59:47,046 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:59:47,046 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:59:47,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:59:47,795 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:59:47,796 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:59:47,796 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1756394064] [2022-11-26 00:59:47,796 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1756394064] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:59:47,796 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:59:47,796 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-11-26 00:59:47,797 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [56458391] [2022-11-26 00:59:47,797 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:59:47,797 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-11-26 00:59:47,797 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:59:47,798 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-11-26 00:59:47,798 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2022-11-26 00:59:47,798 INFO L87 Difference]: Start difference. First operand 118 states and 206 transitions. Second operand has 11 states, 10 states have (on average 1.2) internal successors, (12), 10 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:59:48,498 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:59:48,498 INFO L93 Difference]: Finished difference Result 139 states and 238 transitions. [2022-11-26 00:59:48,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-11-26 00:59:48,499 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 1.2) internal successors, (12), 10 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12 [2022-11-26 00:59:48,499 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:59:48,500 INFO L225 Difference]: With dead ends: 139 [2022-11-26 00:59:48,500 INFO L226 Difference]: Without dead ends: 129 [2022-11-26 00:59:48,500 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=106, Invalid=200, Unknown=0, NotChecked=0, Total=306 [2022-11-26 00:59:48,501 INFO L413 NwaCegarLoop]: 4 mSDtfsCounter, 60 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 302 mSolverCounterSat, 32 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 60 SdHoareTripleChecker+Valid, 8 SdHoareTripleChecker+Invalid, 334 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 302 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-26 00:59:48,501 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [60 Valid, 8 Invalid, 334 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [32 Valid, 302 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-11-26 00:59:48,502 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 129 states. [2022-11-26 00:59:48,508 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 129 to 127. [2022-11-26 00:59:48,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 127 states, 124 states have (on average 1.782258064516129) internal successors, (221), 126 states have internal predecessors, (221), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:59:48,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 127 states and 221 transitions. [2022-11-26 00:59:48,509 INFO L78 Accepts]: Start accepts. Automaton has 127 states and 221 transitions. Word has length 12 [2022-11-26 00:59:48,509 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:59:48,510 INFO L495 AbstractCegarLoop]: Abstraction has 127 states and 221 transitions. [2022-11-26 00:59:48,510 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 1.2) internal successors, (12), 10 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:59:48,510 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 221 transitions. [2022-11-26 00:59:48,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-11-26 00:59:48,511 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:59:48,511 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:59:48,511 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-26 00:59:48,512 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, t_funErr0ASSERT_VIOLATIONDATA_RACE (and 1 more)] === [2022-11-26 00:59:48,512 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:59:48,512 INFO L85 PathProgramCache]: Analyzing trace with hash 1329307717, now seen corresponding path program 3 times [2022-11-26 00:59:48,513 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:59:48,513 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2003526075] [2022-11-26 00:59:48,513 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:59:48,513 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:59:48,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:59:49,249 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:59:49,249 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:59:49,249 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2003526075] [2022-11-26 00:59:49,249 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2003526075] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:59:49,250 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:59:49,250 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-11-26 00:59:49,250 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [494510134] [2022-11-26 00:59:49,250 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:59:49,250 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-11-26 00:59:49,250 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:59:49,251 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-11-26 00:59:49,251 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=73, Unknown=0, NotChecked=0, Total=110 [2022-11-26 00:59:49,251 INFO L87 Difference]: Start difference. First operand 127 states and 221 transitions. Second operand has 11 states, 10 states have (on average 1.2) internal successors, (12), 10 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:59:49,664 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:59:49,664 INFO L93 Difference]: Finished difference Result 154 states and 263 transitions. [2022-11-26 00:59:49,665 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-11-26 00:59:49,665 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 1.2) internal successors, (12), 10 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12 [2022-11-26 00:59:49,665 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:59:49,666 INFO L225 Difference]: With dead ends: 154 [2022-11-26 00:59:49,666 INFO L226 Difference]: Without dead ends: 144 [2022-11-26 00:59:49,666 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=92, Invalid=148, Unknown=0, NotChecked=0, Total=240 [2022-11-26 00:59:49,667 INFO L413 NwaCegarLoop]: 4 mSDtfsCounter, 60 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 258 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 60 SdHoareTripleChecker+Valid, 8 SdHoareTripleChecker+Invalid, 280 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 258 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-26 00:59:49,667 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [60 Valid, 8 Invalid, 280 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 258 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-26 00:59:49,668 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 144 states. [2022-11-26 00:59:49,673 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 144 to 128. [2022-11-26 00:59:49,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 128 states, 125 states have (on average 1.784) internal successors, (223), 127 states have internal predecessors, (223), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:59:49,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 128 states and 223 transitions. [2022-11-26 00:59:49,674 INFO L78 Accepts]: Start accepts. Automaton has 128 states and 223 transitions. Word has length 12 [2022-11-26 00:59:49,674 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:59:49,674 INFO L495 AbstractCegarLoop]: Abstraction has 128 states and 223 transitions. [2022-11-26 00:59:49,674 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 1.2) internal successors, (12), 10 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:59:49,675 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 223 transitions. [2022-11-26 00:59:49,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-11-26 00:59:49,676 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:59:49,676 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:59:49,676 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-26 00:59:49,676 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, t_funErr0ASSERT_VIOLATIONDATA_RACE (and 1 more)] === [2022-11-26 00:59:49,677 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:59:49,677 INFO L85 PathProgramCache]: Analyzing trace with hash 1386881227, now seen corresponding path program 4 times [2022-11-26 00:59:49,677 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:59:49,677 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2015147870] [2022-11-26 00:59:49,678 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:59:49,678 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:59:49,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:59:50,145 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:59:50,145 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:59:50,145 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2015147870] [2022-11-26 00:59:50,146 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2015147870] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:59:50,146 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:59:50,146 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-11-26 00:59:50,146 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [135984013] [2022-11-26 00:59:50,146 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:59:50,147 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-11-26 00:59:50,147 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:59:50,148 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-11-26 00:59:50,148 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2022-11-26 00:59:50,148 INFO L87 Difference]: Start difference. First operand 128 states and 223 transitions. Second operand has 11 states, 10 states have (on average 1.2) internal successors, (12), 10 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:59:50,470 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:59:50,470 INFO L93 Difference]: Finished difference Result 161 states and 278 transitions. [2022-11-26 00:59:50,470 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-11-26 00:59:50,471 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 1.2) internal successors, (12), 10 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12 [2022-11-26 00:59:50,471 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:59:50,471 INFO L225 Difference]: With dead ends: 161 [2022-11-26 00:59:50,472 INFO L226 Difference]: Without dead ends: 150 [2022-11-26 00:59:50,472 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=101, Invalid=171, Unknown=0, NotChecked=0, Total=272 [2022-11-26 00:59:50,473 INFO L413 NwaCegarLoop]: 4 mSDtfsCounter, 67 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 183 mSolverCounterSat, 31 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 67 SdHoareTripleChecker+Valid, 8 SdHoareTripleChecker+Invalid, 214 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 183 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-26 00:59:50,473 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [67 Valid, 8 Invalid, 214 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 183 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-26 00:59:50,474 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 150 states. [2022-11-26 00:59:50,478 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 150 to 136. [2022-11-26 00:59:50,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 136 states, 133 states have (on average 1.7894736842105263) internal successors, (238), 135 states have internal predecessors, (238), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:59:50,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 136 states and 238 transitions. [2022-11-26 00:59:50,479 INFO L78 Accepts]: Start accepts. Automaton has 136 states and 238 transitions. Word has length 12 [2022-11-26 00:59:50,479 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:59:50,479 INFO L495 AbstractCegarLoop]: Abstraction has 136 states and 238 transitions. [2022-11-26 00:59:50,480 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 1.2) internal successors, (12), 10 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:59:50,480 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 238 transitions. [2022-11-26 00:59:50,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-11-26 00:59:50,480 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:59:50,480 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:59:50,481 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-26 00:59:50,481 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, t_funErr0ASSERT_VIOLATIONDATA_RACE (and 1 more)] === [2022-11-26 00:59:50,481 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:59:50,481 INFO L85 PathProgramCache]: Analyzing trace with hash -2113326155, now seen corresponding path program 5 times [2022-11-26 00:59:50,481 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:59:50,482 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1511401585] [2022-11-26 00:59:50,482 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:59:50,482 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:59:50,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:59:50,930 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:59:50,930 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:59:50,930 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1511401585] [2022-11-26 00:59:50,931 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1511401585] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:59:50,931 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:59:50,931 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-11-26 00:59:50,931 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1057861023] [2022-11-26 00:59:50,931 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:59:50,932 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-11-26 00:59:50,932 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:59:50,933 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-11-26 00:59:50,933 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=73, Unknown=0, NotChecked=0, Total=110 [2022-11-26 00:59:50,933 INFO L87 Difference]: Start difference. First operand 136 states and 238 transitions. Second operand has 11 states, 10 states have (on average 1.2) internal successors, (12), 10 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:59:51,210 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:59:51,210 INFO L93 Difference]: Finished difference Result 167 states and 287 transitions. [2022-11-26 00:59:51,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-26 00:59:51,211 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 1.2) internal successors, (12), 10 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12 [2022-11-26 00:59:51,211 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:59:51,212 INFO L225 Difference]: With dead ends: 167 [2022-11-26 00:59:51,212 INFO L226 Difference]: Without dead ends: 157 [2022-11-26 00:59:51,212 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=70, Invalid=112, Unknown=0, NotChecked=0, Total=182 [2022-11-26 00:59:51,213 INFO L413 NwaCegarLoop]: 4 mSDtfsCounter, 46 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 201 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 46 SdHoareTripleChecker+Valid, 8 SdHoareTripleChecker+Invalid, 228 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 201 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-26 00:59:51,213 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [46 Valid, 8 Invalid, 228 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 201 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-26 00:59:51,214 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 157 states. [2022-11-26 00:59:51,218 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 157 to 138. [2022-11-26 00:59:51,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 138 states, 135 states have (on average 1.7925925925925925) internal successors, (242), 137 states have internal predecessors, (242), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:59:51,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 138 states and 242 transitions. [2022-11-26 00:59:51,219 INFO L78 Accepts]: Start accepts. Automaton has 138 states and 242 transitions. Word has length 12 [2022-11-26 00:59:51,219 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:59:51,220 INFO L495 AbstractCegarLoop]: Abstraction has 138 states and 242 transitions. [2022-11-26 00:59:51,220 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 1.2) internal successors, (12), 10 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:59:51,220 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 242 transitions. [2022-11-26 00:59:51,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-11-26 00:59:51,221 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:59:51,221 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:59:51,221 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-26 00:59:51,221 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, t_funErr0ASSERT_VIOLATIONDATA_RACE (and 1 more)] === [2022-11-26 00:59:51,222 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:59:51,222 INFO L85 PathProgramCache]: Analyzing trace with hash -2055752645, now seen corresponding path program 6 times [2022-11-26 00:59:51,222 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:59:51,222 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1238905615] [2022-11-26 00:59:51,222 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:59:51,222 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:59:51,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:59:51,680 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:59:51,680 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:59:51,680 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1238905615] [2022-11-26 00:59:51,680 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1238905615] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:59:51,680 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:59:51,681 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-11-26 00:59:51,681 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1475857018] [2022-11-26 00:59:51,681 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:59:51,681 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-11-26 00:59:51,681 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:59:51,682 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-11-26 00:59:51,682 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=76, Unknown=0, NotChecked=0, Total=110 [2022-11-26 00:59:51,682 INFO L87 Difference]: Start difference. First operand 138 states and 242 transitions. Second operand has 11 states, 10 states have (on average 1.2) internal successors, (12), 10 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:59:52,058 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:59:52,058 INFO L93 Difference]: Finished difference Result 177 states and 307 transitions. [2022-11-26 00:59:52,059 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-26 00:59:52,059 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 1.2) internal successors, (12), 10 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12 [2022-11-26 00:59:52,059 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:59:52,060 INFO L225 Difference]: With dead ends: 177 [2022-11-26 00:59:52,060 INFO L226 Difference]: Without dead ends: 166 [2022-11-26 00:59:52,061 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=126, Invalid=216, Unknown=0, NotChecked=0, Total=342 [2022-11-26 00:59:52,061 INFO L413 NwaCegarLoop]: 4 mSDtfsCounter, 55 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 231 mSolverCounterSat, 30 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 55 SdHoareTripleChecker+Valid, 8 SdHoareTripleChecker+Invalid, 261 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 30 IncrementalHoareTripleChecker+Valid, 231 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-26 00:59:52,062 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [55 Valid, 8 Invalid, 261 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [30 Valid, 231 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-26 00:59:52,062 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 166 states. [2022-11-26 00:59:52,065 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 166 to 137. [2022-11-26 00:59:52,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 137 states, 134 states have (on average 1.791044776119403) internal successors, (240), 136 states have internal predecessors, (240), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:59:52,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 137 states and 240 transitions. [2022-11-26 00:59:52,066 INFO L78 Accepts]: Start accepts. Automaton has 137 states and 240 transitions. Word has length 12 [2022-11-26 00:59:52,067 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:59:52,067 INFO L495 AbstractCegarLoop]: Abstraction has 137 states and 240 transitions. [2022-11-26 00:59:52,067 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 1.2) internal successors, (12), 10 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:59:52,068 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 240 transitions. [2022-11-26 00:59:52,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-11-26 00:59:52,068 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:59:52,068 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:59:52,069 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-26 00:59:52,069 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, t_funErr0ASSERT_VIOLATIONDATA_RACE (and 1 more)] === [2022-11-26 00:59:52,069 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:59:52,069 INFO L85 PathProgramCache]: Analyzing trace with hash -242374475, now seen corresponding path program 7 times [2022-11-26 00:59:52,070 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:59:52,070 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1644517747] [2022-11-26 00:59:52,070 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:59:52,070 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:59:52,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:59:52,911 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:59:52,912 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:59:52,912 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1644517747] [2022-11-26 00:59:52,912 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1644517747] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:59:52,912 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:59:52,912 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-11-26 00:59:52,913 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2088926985] [2022-11-26 00:59:52,913 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:59:52,913 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-11-26 00:59:52,913 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:59:52,914 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-11-26 00:59:52,914 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2022-11-26 00:59:52,914 INFO L87 Difference]: Start difference. First operand 137 states and 240 transitions. Second operand has 11 states, 10 states have (on average 1.2) internal successors, (12), 10 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:59:54,287 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:59:54,288 INFO L93 Difference]: Finished difference Result 156 states and 274 transitions. [2022-11-26 00:59:54,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-26 00:59:54,288 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 1.2) internal successors, (12), 10 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12 [2022-11-26 00:59:54,288 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:59:54,289 INFO L225 Difference]: With dead ends: 156 [2022-11-26 00:59:54,289 INFO L226 Difference]: Without dead ends: 156 [2022-11-26 00:59:54,290 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=147, Invalid=273, Unknown=0, NotChecked=0, Total=420 [2022-11-26 00:59:54,290 INFO L413 NwaCegarLoop]: 4 mSDtfsCounter, 60 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 329 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 60 SdHoareTripleChecker+Valid, 8 SdHoareTripleChecker+Invalid, 349 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 329 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-26 00:59:54,291 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [60 Valid, 8 Invalid, 349 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 329 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-11-26 00:59:54,291 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 156 states. [2022-11-26 00:59:54,294 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 156 to 139. [2022-11-26 00:59:54,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 139 states, 136 states have (on average 1.7941176470588236) internal successors, (244), 138 states have internal predecessors, (244), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:59:54,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 139 states and 244 transitions. [2022-11-26 00:59:54,295 INFO L78 Accepts]: Start accepts. Automaton has 139 states and 244 transitions. Word has length 12 [2022-11-26 00:59:54,296 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:59:54,296 INFO L495 AbstractCegarLoop]: Abstraction has 139 states and 244 transitions. [2022-11-26 00:59:54,296 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 1.2) internal successors, (12), 10 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:59:54,296 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 244 transitions. [2022-11-26 00:59:54,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-11-26 00:59:54,297 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:59:54,297 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:59:54,297 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-11-26 00:59:54,297 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, t_funErr0ASSERT_VIOLATIONDATA_RACE (and 1 more)] === [2022-11-26 00:59:54,298 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:59:54,298 INFO L85 PathProgramCache]: Analyzing trace with hash -254886695, now seen corresponding path program 8 times [2022-11-26 00:59:54,298 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:59:54,298 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1667555392] [2022-11-26 00:59:54,298 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:59:54,298 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:59:54,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:59:54,859 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:59:54,859 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:59:54,859 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1667555392] [2022-11-26 00:59:54,859 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1667555392] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:59:54,859 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:59:54,859 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-11-26 00:59:54,860 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1892514901] [2022-11-26 00:59:54,860 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:59:54,860 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-11-26 00:59:54,860 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:59:54,860 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-11-26 00:59:54,861 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2022-11-26 00:59:54,861 INFO L87 Difference]: Start difference. First operand 139 states and 244 transitions. Second operand has 11 states, 10 states have (on average 1.2) internal successors, (12), 10 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:59:55,345 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:59:55,346 INFO L93 Difference]: Finished difference Result 158 states and 278 transitions. [2022-11-26 00:59:55,346 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-26 00:59:55,346 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 1.2) internal successors, (12), 10 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12 [2022-11-26 00:59:55,346 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:59:55,348 INFO L225 Difference]: With dead ends: 158 [2022-11-26 00:59:55,348 INFO L226 Difference]: Without dead ends: 158 [2022-11-26 00:59:55,348 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=127, Invalid=253, Unknown=0, NotChecked=0, Total=380 [2022-11-26 00:59:55,350 INFO L413 NwaCegarLoop]: 4 mSDtfsCounter, 41 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 299 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 41 SdHoareTripleChecker+Valid, 8 SdHoareTripleChecker+Invalid, 318 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 299 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-26 00:59:55,351 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [41 Valid, 8 Invalid, 318 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 299 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-26 00:59:55,352 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 158 states. [2022-11-26 00:59:55,359 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 158 to 141. [2022-11-26 00:59:55,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 141 states, 138 states have (on average 1.7971014492753623) internal successors, (248), 140 states have internal predecessors, (248), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:59:55,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 141 states and 248 transitions. [2022-11-26 00:59:55,360 INFO L78 Accepts]: Start accepts. Automaton has 141 states and 248 transitions. Word has length 12 [2022-11-26 00:59:55,361 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:59:55,361 INFO L495 AbstractCegarLoop]: Abstraction has 141 states and 248 transitions. [2022-11-26 00:59:55,361 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 1.2) internal successors, (12), 10 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:59:55,361 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 248 transitions. [2022-11-26 00:59:55,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-11-26 00:59:55,362 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:59:55,362 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:59:55,362 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-11-26 00:59:55,362 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, t_funErr0ASSERT_VIOLATIONDATA_RACE (and 1 more)] === [2022-11-26 00:59:55,363 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:59:55,363 INFO L85 PathProgramCache]: Analyzing trace with hash -255261485, now seen corresponding path program 9 times [2022-11-26 00:59:55,367 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:59:55,367 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1232519969] [2022-11-26 00:59:55,367 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:59:55,367 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:59:55,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:59:55,879 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:59:55,879 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:59:55,879 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1232519969] [2022-11-26 00:59:55,880 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1232519969] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:59:55,880 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:59:55,880 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-11-26 00:59:55,880 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [841257916] [2022-11-26 00:59:55,880 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:59:55,880 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-11-26 00:59:55,881 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:59:55,881 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-11-26 00:59:55,881 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2022-11-26 00:59:55,881 INFO L87 Difference]: Start difference. First operand 141 states and 248 transitions. Second operand has 11 states, 10 states have (on average 1.2) internal successors, (12), 10 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:59:56,128 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:59:56,128 INFO L93 Difference]: Finished difference Result 185 states and 323 transitions. [2022-11-26 00:59:56,128 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-26 00:59:56,128 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 1.2) internal successors, (12), 10 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12 [2022-11-26 00:59:56,128 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:59:56,130 INFO L225 Difference]: With dead ends: 185 [2022-11-26 00:59:56,130 INFO L226 Difference]: Without dead ends: 172 [2022-11-26 00:59:56,130 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=72, Invalid=138, Unknown=0, NotChecked=0, Total=210 [2022-11-26 00:59:56,131 INFO L413 NwaCegarLoop]: 4 mSDtfsCounter, 68 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 185 mSolverCounterSat, 40 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 68 SdHoareTripleChecker+Valid, 8 SdHoareTripleChecker+Invalid, 225 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 40 IncrementalHoareTripleChecker+Valid, 185 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-26 00:59:56,131 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [68 Valid, 8 Invalid, 225 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [40 Valid, 185 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-26 00:59:56,132 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 172 states. [2022-11-26 00:59:56,135 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 172 to 145. [2022-11-26 00:59:56,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 145 states, 142 states have (on average 1.795774647887324) internal successors, (255), 144 states have internal predecessors, (255), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:59:56,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 145 states and 255 transitions. [2022-11-26 00:59:56,138 INFO L78 Accepts]: Start accepts. Automaton has 145 states and 255 transitions. Word has length 12 [2022-11-26 00:59:56,138 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:59:56,138 INFO L495 AbstractCegarLoop]: Abstraction has 145 states and 255 transitions. [2022-11-26 00:59:56,138 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 1.2) internal successors, (12), 10 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:59:56,138 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 255 transitions. [2022-11-26 00:59:56,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-11-26 00:59:56,139 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:59:56,139 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:59:56,139 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-11-26 00:59:56,141 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, t_funErr0ASSERT_VIOLATIONDATA_RACE (and 1 more)] === [2022-11-26 00:59:56,142 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:59:56,142 INFO L85 PathProgramCache]: Analyzing trace with hash -605487133, now seen corresponding path program 10 times [2022-11-26 00:59:56,142 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:59:56,142 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1616739893] [2022-11-26 00:59:56,142 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:59:56,142 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:59:56,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:59:56,662 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:59:56,662 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:59:56,662 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1616739893] [2022-11-26 00:59:56,662 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1616739893] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:59:56,662 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:59:56,662 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-11-26 00:59:56,663 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1563018912] [2022-11-26 00:59:56,663 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:59:56,664 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-11-26 00:59:56,664 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:59:56,664 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-11-26 00:59:56,664 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=73, Unknown=0, NotChecked=0, Total=110 [2022-11-26 00:59:56,664 INFO L87 Difference]: Start difference. First operand 145 states and 255 transitions. Second operand has 11 states, 10 states have (on average 1.2) internal successors, (12), 10 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:59:56,918 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:59:56,918 INFO L93 Difference]: Finished difference Result 170 states and 293 transitions. [2022-11-26 00:59:56,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-26 00:59:56,919 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 1.2) internal successors, (12), 10 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12 [2022-11-26 00:59:56,919 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:59:56,920 INFO L225 Difference]: With dead ends: 170 [2022-11-26 00:59:56,920 INFO L226 Difference]: Without dead ends: 160 [2022-11-26 00:59:56,920 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=70, Invalid=112, Unknown=0, NotChecked=0, Total=182 [2022-11-26 00:59:56,921 INFO L413 NwaCegarLoop]: 7 mSDtfsCounter, 45 mSDsluCounter, 3 mSDsCounter, 0 mSdLazyCounter, 223 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 45 SdHoareTripleChecker+Valid, 10 SdHoareTripleChecker+Invalid, 249 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 223 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-26 00:59:56,921 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [45 Valid, 10 Invalid, 249 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 223 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-26 00:59:56,922 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 160 states. [2022-11-26 00:59:56,925 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 160 to 143. [2022-11-26 00:59:56,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 143 states, 140 states have (on average 1.8) internal successors, (252), 142 states have internal predecessors, (252), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:59:56,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 143 states and 252 transitions. [2022-11-26 00:59:56,926 INFO L78 Accepts]: Start accepts. Automaton has 143 states and 252 transitions. Word has length 12 [2022-11-26 00:59:56,926 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:59:56,926 INFO L495 AbstractCegarLoop]: Abstraction has 143 states and 252 transitions. [2022-11-26 00:59:56,926 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 1.2) internal successors, (12), 10 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:59:56,927 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 252 transitions. [2022-11-26 00:59:56,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-11-26 00:59:56,927 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:59:56,927 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:59:56,927 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-11-26 00:59:56,927 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, t_funErr0ASSERT_VIOLATIONDATA_RACE (and 1 more)] === [2022-11-26 00:59:56,928 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:59:56,928 INFO L85 PathProgramCache]: Analyzing trace with hash -547913623, now seen corresponding path program 11 times [2022-11-26 00:59:56,928 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:59:56,928 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1238620200] [2022-11-26 00:59:56,928 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:59:56,928 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:59:56,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:59:57,374 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:59:57,374 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:59:57,375 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1238620200] [2022-11-26 00:59:57,375 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1238620200] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:59:57,375 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:59:57,375 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-11-26 00:59:57,375 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1823846458] [2022-11-26 00:59:57,375 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:59:57,376 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-11-26 00:59:57,376 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:59:57,376 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-11-26 00:59:57,376 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=76, Unknown=0, NotChecked=0, Total=110 [2022-11-26 00:59:57,377 INFO L87 Difference]: Start difference. First operand 143 states and 252 transitions. Second operand has 11 states, 10 states have (on average 1.2) internal successors, (12), 10 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:59:57,727 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:59:57,727 INFO L93 Difference]: Finished difference Result 191 states and 331 transitions. [2022-11-26 00:59:57,727 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-11-26 00:59:57,728 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 1.2) internal successors, (12), 10 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12 [2022-11-26 00:59:57,728 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:59:57,729 INFO L225 Difference]: With dead ends: 191 [2022-11-26 00:59:57,729 INFO L226 Difference]: Without dead ends: 180 [2022-11-26 00:59:57,730 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=90, Invalid=150, Unknown=0, NotChecked=0, Total=240 [2022-11-26 00:59:57,731 INFO L413 NwaCegarLoop]: 7 mSDtfsCounter, 61 mSDsluCounter, 3 mSDsCounter, 0 mSdLazyCounter, 312 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 61 SdHoareTripleChecker+Valid, 10 SdHoareTripleChecker+Invalid, 335 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 312 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-26 00:59:57,731 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [61 Valid, 10 Invalid, 335 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 312 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-26 00:59:57,734 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 180 states. [2022-11-26 00:59:57,738 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 180 to 142. [2022-11-26 00:59:57,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 142 states, 139 states have (on average 1.7985611510791366) internal successors, (250), 141 states have internal predecessors, (250), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:59:57,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 142 states and 250 transitions. [2022-11-26 00:59:57,740 INFO L78 Accepts]: Start accepts. Automaton has 142 states and 250 transitions. Word has length 12 [2022-11-26 00:59:57,740 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:59:57,740 INFO L495 AbstractCegarLoop]: Abstraction has 142 states and 250 transitions. [2022-11-26 00:59:57,740 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 1.2) internal successors, (12), 10 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:59:57,741 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 250 transitions. [2022-11-26 00:59:57,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-11-26 00:59:57,741 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:59:57,741 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:59:57,741 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-11-26 00:59:57,742 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, t_funErr0ASSERT_VIOLATIONDATA_RACE (and 1 more)] === [2022-11-26 00:59:57,742 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:59:57,742 INFO L85 PathProgramCache]: Analyzing trace with hash 1265464547, now seen corresponding path program 12 times [2022-11-26 00:59:57,742 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:59:57,742 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1909396777] [2022-11-26 00:59:57,742 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:59:57,743 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:59:57,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:59:58,197 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:59:58,198 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:59:58,198 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1909396777] [2022-11-26 00:59:58,198 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1909396777] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:59:58,198 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:59:58,198 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-11-26 00:59:58,199 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1822680239] [2022-11-26 00:59:58,199 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:59:58,199 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-11-26 00:59:58,200 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:59:58,200 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-11-26 00:59:58,201 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2022-11-26 00:59:58,201 INFO L87 Difference]: Start difference. First operand 142 states and 250 transitions. Second operand has 11 states, 10 states have (on average 1.2) internal successors, (12), 10 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:59:59,284 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:59:59,284 INFO L93 Difference]: Finished difference Result 191 states and 334 transitions. [2022-11-26 00:59:59,285 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-11-26 00:59:59,285 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 1.2) internal successors, (12), 10 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12 [2022-11-26 00:59:59,285 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:59:59,286 INFO L225 Difference]: With dead ends: 191 [2022-11-26 00:59:59,286 INFO L226 Difference]: Without dead ends: 178 [2022-11-26 00:59:59,287 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 126 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=242, Invalid=514, Unknown=0, NotChecked=0, Total=756 [2022-11-26 00:59:59,287 INFO L413 NwaCegarLoop]: 7 mSDtfsCounter, 93 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 211 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 93 SdHoareTripleChecker+Valid, 14 SdHoareTripleChecker+Invalid, 248 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 211 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-26 00:59:59,288 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [93 Valid, 14 Invalid, 248 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 211 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-26 00:59:59,288 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 178 states. [2022-11-26 00:59:59,291 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 178 to 141. [2022-11-26 00:59:59,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 141 states, 138 states have (on average 1.7971014492753623) internal successors, (248), 140 states have internal predecessors, (248), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:59:59,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 141 states and 248 transitions. [2022-11-26 00:59:59,292 INFO L78 Accepts]: Start accepts. Automaton has 141 states and 248 transitions. Word has length 12 [2022-11-26 00:59:59,292 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:59:59,293 INFO L495 AbstractCegarLoop]: Abstraction has 141 states and 248 transitions. [2022-11-26 00:59:59,293 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 1.2) internal successors, (12), 10 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:59:59,293 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 248 transitions. [2022-11-26 00:59:59,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-11-26 00:59:59,293 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:59:59,293 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:59:59,293 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-11-26 00:59:59,294 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, t_funErr0ASSERT_VIOLATIONDATA_RACE (and 1 more)] === [2022-11-26 00:59:59,294 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:59:59,294 INFO L85 PathProgramCache]: Analyzing trace with hash -1765175503, now seen corresponding path program 1 times [2022-11-26 00:59:59,294 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:59:59,294 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1906954415] [2022-11-26 00:59:59,294 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:59:59,295 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:59:59,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:59:59,658 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:59:59,658 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:59:59,658 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1906954415] [2022-11-26 00:59:59,658 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1906954415] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:59:59,658 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:59:59,659 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-11-26 00:59:59,659 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [150654125] [2022-11-26 00:59:59,659 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:59:59,659 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-11-26 00:59:59,659 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:59:59,660 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-11-26 00:59:59,660 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2022-11-26 00:59:59,660 INFO L87 Difference]: Start difference. First operand 141 states and 248 transitions. Second operand has 11 states, 10 states have (on average 1.2) internal successors, (12), 10 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 01:00:00,096 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 01:00:00,096 INFO L93 Difference]: Finished difference Result 228 states and 398 transitions. [2022-11-26 01:00:00,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-11-26 01:00:00,097 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 1.2) internal successors, (12), 10 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12 [2022-11-26 01:00:00,097 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 01:00:00,098 INFO L225 Difference]: With dead ends: 228 [2022-11-26 01:00:00,098 INFO L226 Difference]: Without dead ends: 184 [2022-11-26 01:00:00,099 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 75 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=182, Invalid=370, Unknown=0, NotChecked=0, Total=552 [2022-11-26 01:00:00,099 INFO L413 NwaCegarLoop]: 1 mSDtfsCounter, 88 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 280 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 88 SdHoareTripleChecker+Valid, 1 SdHoareTripleChecker+Invalid, 302 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 280 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-26 01:00:00,099 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [88 Valid, 1 Invalid, 302 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 280 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-26 01:00:00,100 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 184 states. [2022-11-26 01:00:00,103 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 184 to 146. [2022-11-26 01:00:00,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 146 states, 143 states have (on average 1.7972027972027973) internal successors, (257), 145 states have internal predecessors, (257), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 01:00:00,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 146 states and 257 transitions. [2022-11-26 01:00:00,105 INFO L78 Accepts]: Start accepts. Automaton has 146 states and 257 transitions. Word has length 12 [2022-11-26 01:00:00,105 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 01:00:00,105 INFO L495 AbstractCegarLoop]: Abstraction has 146 states and 257 transitions. [2022-11-26 01:00:00,105 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 1.2) internal successors, (12), 10 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 01:00:00,105 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 257 transitions. [2022-11-26 01:00:00,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-11-26 01:00:00,105 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 01:00:00,106 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 01:00:00,106 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-11-26 01:00:00,106 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, t_funErr0ASSERT_VIOLATIONDATA_RACE (and 1 more)] === [2022-11-26 01:00:00,106 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 01:00:00,106 INFO L85 PathProgramCache]: Analyzing trace with hash 2116608679, now seen corresponding path program 13 times [2022-11-26 01:00:00,109 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 01:00:00,109 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [895917146] [2022-11-26 01:00:00,109 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 01:00:00,109 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 01:00:00,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 01:00:00,517 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 01:00:00,517 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 01:00:00,517 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [895917146] [2022-11-26 01:00:00,517 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [895917146] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 01:00:00,518 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 01:00:00,518 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-11-26 01:00:00,518 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [98099976] [2022-11-26 01:00:00,518 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 01:00:00,518 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-11-26 01:00:00,519 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 01:00:00,519 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-11-26 01:00:00,519 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2022-11-26 01:00:00,519 INFO L87 Difference]: Start difference. First operand 146 states and 257 transitions. Second operand has 11 states, 10 states have (on average 1.2) internal successors, (12), 10 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 01:00:01,870 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 01:00:01,870 INFO L93 Difference]: Finished difference Result 159 states and 272 transitions. [2022-11-26 01:00:01,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-11-26 01:00:01,871 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 1.2) internal successors, (12), 10 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12 [2022-11-26 01:00:01,871 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 01:00:01,872 INFO L225 Difference]: With dead ends: 159 [2022-11-26 01:00:01,872 INFO L226 Difference]: Without dead ends: 107 [2022-11-26 01:00:01,873 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 127 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=210, Invalid=440, Unknown=0, NotChecked=0, Total=650 [2022-11-26 01:00:01,873 INFO L413 NwaCegarLoop]: 4 mSDtfsCounter, 103 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 227 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 103 SdHoareTripleChecker+Valid, 11 SdHoareTripleChecker+Invalid, 252 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 227 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-26 01:00:01,874 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [103 Valid, 11 Invalid, 252 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 227 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-26 01:00:01,874 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107 states. [2022-11-26 01:00:01,876 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107 to 107. [2022-11-26 01:00:01,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 107 states, 104 states have (on average 1.7692307692307692) internal successors, (184), 106 states have internal predecessors, (184), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 01:00:01,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 107 states and 184 transitions. [2022-11-26 01:00:01,878 INFO L78 Accepts]: Start accepts. Automaton has 107 states and 184 transitions. Word has length 12 [2022-11-26 01:00:01,878 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 01:00:01,878 INFO L495 AbstractCegarLoop]: Abstraction has 107 states and 184 transitions. [2022-11-26 01:00:01,878 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 1.2) internal successors, (12), 10 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 01:00:01,878 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 184 transitions. [2022-11-26 01:00:01,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-11-26 01:00:01,879 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 01:00:01,879 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 01:00:01,879 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-11-26 01:00:01,879 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, t_funErr0ASSERT_VIOLATIONDATA_RACE (and 1 more)] === [2022-11-26 01:00:01,880 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 01:00:01,880 INFO L85 PathProgramCache]: Analyzing trace with hash -499981397, now seen corresponding path program 2 times [2022-11-26 01:00:01,880 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 01:00:01,880 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1283343838] [2022-11-26 01:00:01,880 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 01:00:01,881 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 01:00:01,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 01:00:02,695 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 01:00:02,696 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 01:00:02,696 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1283343838] [2022-11-26 01:00:02,696 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1283343838] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 01:00:02,696 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 01:00:02,696 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-11-26 01:00:02,696 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1367398300] [2022-11-26 01:00:02,696 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 01:00:02,697 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-11-26 01:00:02,697 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 01:00:02,697 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-11-26 01:00:02,698 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2022-11-26 01:00:02,698 INFO L87 Difference]: Start difference. First operand 107 states and 184 transitions. Second operand has 11 states, 10 states have (on average 1.2) internal successors, (12), 10 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 01:00:03,841 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 01:00:03,841 INFO L93 Difference]: Finished difference Result 115 states and 191 transitions. [2022-11-26 01:00:03,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-26 01:00:03,842 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 1.2) internal successors, (12), 10 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12 [2022-11-26 01:00:03,842 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 01:00:03,842 INFO L225 Difference]: With dead ends: 115 [2022-11-26 01:00:03,843 INFO L226 Difference]: Without dead ends: 106 [2022-11-26 01:00:03,843 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=117, Invalid=225, Unknown=0, NotChecked=0, Total=342 [2022-11-26 01:00:03,843 INFO L413 NwaCegarLoop]: 0 mSDtfsCounter, 68 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 211 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 68 SdHoareTripleChecker+Valid, 4 SdHoareTripleChecker+Invalid, 238 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 211 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-26 01:00:03,844 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [68 Valid, 4 Invalid, 238 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 211 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-26 01:00:03,844 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 106 states. [2022-11-26 01:00:03,846 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 106 to 106. [2022-11-26 01:00:03,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 106 states, 103 states have (on average 1.766990291262136) internal successors, (182), 105 states have internal predecessors, (182), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 01:00:03,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 106 states and 182 transitions. [2022-11-26 01:00:03,847 INFO L78 Accepts]: Start accepts. Automaton has 106 states and 182 transitions. Word has length 12 [2022-11-26 01:00:03,847 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 01:00:03,847 INFO L495 AbstractCegarLoop]: Abstraction has 106 states and 182 transitions. [2022-11-26 01:00:03,847 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 1.2) internal successors, (12), 10 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 01:00:03,848 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 182 transitions. [2022-11-26 01:00:03,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-11-26 01:00:03,848 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 01:00:03,848 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 01:00:03,848 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-11-26 01:00:03,848 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, t_funErr0ASSERT_VIOLATIONDATA_RACE (and 1 more)] === [2022-11-26 01:00:03,849 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 01:00:03,849 INFO L85 PathProgramCache]: Analyzing trace with hash -393627527, now seen corresponding path program 3 times [2022-11-26 01:00:03,849 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 01:00:03,849 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [57709478] [2022-11-26 01:00:03,849 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 01:00:03,849 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 01:00:03,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 01:00:04,283 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 01:00:04,283 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 01:00:04,283 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [57709478] [2022-11-26 01:00:04,284 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [57709478] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 01:00:04,284 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 01:00:04,284 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-11-26 01:00:04,284 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [432113032] [2022-11-26 01:00:04,284 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 01:00:04,284 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-11-26 01:00:04,284 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 01:00:04,285 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-11-26 01:00:04,285 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2022-11-26 01:00:04,285 INFO L87 Difference]: Start difference. First operand 106 states and 182 transitions. Second operand has 11 states, 10 states have (on average 1.2) internal successors, (12), 10 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 01:00:04,816 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 01:00:04,816 INFO L93 Difference]: Finished difference Result 127 states and 214 transitions. [2022-11-26 01:00:04,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-11-26 01:00:04,817 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 1.2) internal successors, (12), 10 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12 [2022-11-26 01:00:04,817 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 01:00:04,818 INFO L225 Difference]: With dead ends: 127 [2022-11-26 01:00:04,818 INFO L226 Difference]: Without dead ends: 117 [2022-11-26 01:00:04,818 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=128, Invalid=252, Unknown=0, NotChecked=0, Total=380 [2022-11-26 01:00:04,819 INFO L413 NwaCegarLoop]: 0 mSDtfsCounter, 79 mSDsluCounter, 3 mSDsCounter, 0 mSdLazyCounter, 206 mSolverCounterSat, 33 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 79 SdHoareTripleChecker+Valid, 3 SdHoareTripleChecker+Invalid, 239 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 206 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-26 01:00:04,819 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [79 Valid, 3 Invalid, 239 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [33 Valid, 206 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-26 01:00:04,820 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 117 states. [2022-11-26 01:00:04,822 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 117 to 115. [2022-11-26 01:00:04,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 115 states, 112 states have (on average 1.7589285714285714) internal successors, (197), 114 states have internal predecessors, (197), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 01:00:04,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 197 transitions. [2022-11-26 01:00:04,823 INFO L78 Accepts]: Start accepts. Automaton has 115 states and 197 transitions. Word has length 12 [2022-11-26 01:00:04,823 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 01:00:04,823 INFO L495 AbstractCegarLoop]: Abstraction has 115 states and 197 transitions. [2022-11-26 01:00:04,824 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 1.2) internal successors, (12), 10 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 01:00:04,824 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 197 transitions. [2022-11-26 01:00:04,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-11-26 01:00:04,824 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 01:00:04,825 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 01:00:04,825 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-11-26 01:00:04,825 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, t_funErr0ASSERT_VIOLATIONDATA_RACE (and 1 more)] === [2022-11-26 01:00:04,825 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 01:00:04,825 INFO L85 PathProgramCache]: Analyzing trace with hash 1966472533, now seen corresponding path program 4 times [2022-11-26 01:00:04,826 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 01:00:04,826 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [758472349] [2022-11-26 01:00:04,826 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 01:00:04,826 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 01:00:04,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 01:00:05,359 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 01:00:05,359 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 01:00:05,359 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [758472349] [2022-11-26 01:00:05,359 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [758472349] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 01:00:05,359 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 01:00:05,359 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-11-26 01:00:05,360 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [596556293] [2022-11-26 01:00:05,360 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 01:00:05,360 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-11-26 01:00:05,360 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 01:00:05,360 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-11-26 01:00:05,361 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2022-11-26 01:00:05,361 INFO L87 Difference]: Start difference. First operand 115 states and 197 transitions. Second operand has 11 states, 10 states have (on average 1.2) internal successors, (12), 10 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 01:00:06,205 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 01:00:06,205 INFO L93 Difference]: Finished difference Result 151 states and 257 transitions. [2022-11-26 01:00:06,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-11-26 01:00:06,205 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 1.2) internal successors, (12), 10 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12 [2022-11-26 01:00:06,206 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 01:00:06,206 INFO L225 Difference]: With dead ends: 151 [2022-11-26 01:00:06,206 INFO L226 Difference]: Without dead ends: 139 [2022-11-26 01:00:06,207 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 51 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=138, Invalid=282, Unknown=0, NotChecked=0, Total=420 [2022-11-26 01:00:06,207 INFO L413 NwaCegarLoop]: 0 mSDtfsCounter, 81 mSDsluCounter, 2 mSDsCounter, 0 mSdLazyCounter, 197 mSolverCounterSat, 32 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 81 SdHoareTripleChecker+Valid, 2 SdHoareTripleChecker+Invalid, 229 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 197 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-26 01:00:06,208 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [81 Valid, 2 Invalid, 229 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [32 Valid, 197 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-26 01:00:06,208 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 139 states. [2022-11-26 01:00:06,211 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 139 to 124. [2022-11-26 01:00:06,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 124 states, 121 states have (on average 1.7685950413223142) internal successors, (214), 123 states have internal predecessors, (214), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 01:00:06,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 124 states and 214 transitions. [2022-11-26 01:00:06,212 INFO L78 Accepts]: Start accepts. Automaton has 124 states and 214 transitions. Word has length 12 [2022-11-26 01:00:06,212 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 01:00:06,213 INFO L495 AbstractCegarLoop]: Abstraction has 124 states and 214 transitions. [2022-11-26 01:00:06,213 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 1.2) internal successors, (12), 10 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 01:00:06,213 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 214 transitions. [2022-11-26 01:00:06,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-11-26 01:00:06,214 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 01:00:06,214 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 01:00:06,214 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-11-26 01:00:06,214 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, t_funErr0ASSERT_VIOLATIONDATA_RACE (and 1 more)] === [2022-11-26 01:00:06,215 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 01:00:06,215 INFO L85 PathProgramCache]: Analyzing trace with hash 1218448699, now seen corresponding path program 5 times [2022-11-26 01:00:06,215 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 01:00:06,215 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1697083005] [2022-11-26 01:00:06,215 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 01:00:06,215 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 01:00:06,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 01:00:06,682 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 01:00:06,682 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 01:00:06,682 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1697083005] [2022-11-26 01:00:06,682 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1697083005] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 01:00:06,682 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 01:00:06,683 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-11-26 01:00:06,683 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1182771325] [2022-11-26 01:00:06,683 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 01:00:06,683 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-11-26 01:00:06,683 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 01:00:06,684 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-11-26 01:00:06,684 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2022-11-26 01:00:06,684 INFO L87 Difference]: Start difference. First operand 124 states and 214 transitions. Second operand has 11 states, 10 states have (on average 1.2) internal successors, (12), 10 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 01:00:07,791 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 01:00:07,791 INFO L93 Difference]: Finished difference Result 147 states and 255 transitions. [2022-11-26 01:00:07,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-11-26 01:00:07,791 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 1.2) internal successors, (12), 10 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12 [2022-11-26 01:00:07,792 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 01:00:07,792 INFO L225 Difference]: With dead ends: 147 [2022-11-26 01:00:07,793 INFO L226 Difference]: Without dead ends: 147 [2022-11-26 01:00:07,793 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=165, Invalid=297, Unknown=0, NotChecked=0, Total=462 [2022-11-26 01:00:07,794 INFO L413 NwaCegarLoop]: 0 mSDtfsCounter, 105 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 193 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 105 SdHoareTripleChecker+Valid, 4 SdHoareTripleChecker+Invalid, 211 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 193 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-26 01:00:07,794 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [105 Valid, 4 Invalid, 211 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 193 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-26 01:00:07,795 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 147 states. [2022-11-26 01:00:07,798 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 147 to 127. [2022-11-26 01:00:07,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 127 states, 124 states have (on average 1.7741935483870968) internal successors, (220), 126 states have internal predecessors, (220), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 01:00:07,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 127 states and 220 transitions. [2022-11-26 01:00:07,799 INFO L78 Accepts]: Start accepts. Automaton has 127 states and 220 transitions. Word has length 12 [2022-11-26 01:00:07,799 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 01:00:07,799 INFO L495 AbstractCegarLoop]: Abstraction has 127 states and 220 transitions. [2022-11-26 01:00:07,800 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 1.2) internal successors, (12), 10 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 01:00:07,800 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 220 transitions. [2022-11-26 01:00:07,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-11-26 01:00:07,800 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 01:00:07,800 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 01:00:07,801 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-11-26 01:00:07,801 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, t_funErr0ASSERT_VIOLATIONDATA_RACE (and 1 more)] === [2022-11-26 01:00:07,801 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 01:00:07,801 INFO L85 PathProgramCache]: Analyzing trace with hash 1148737759, now seen corresponding path program 6 times [2022-11-26 01:00:07,802 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 01:00:07,802 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2044738658] [2022-11-26 01:00:07,802 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 01:00:07,802 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 01:00:07,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 01:00:08,159 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 01:00:08,159 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 01:00:08,159 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2044738658] [2022-11-26 01:00:08,160 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2044738658] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 01:00:08,160 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 01:00:08,160 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-11-26 01:00:08,163 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [408370848] [2022-11-26 01:00:08,164 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 01:00:08,165 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-11-26 01:00:08,166 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 01:00:08,166 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-11-26 01:00:08,166 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2022-11-26 01:00:08,167 INFO L87 Difference]: Start difference. First operand 127 states and 220 transitions. Second operand has 11 states, 10 states have (on average 1.2) internal successors, (12), 10 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 01:00:08,574 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 01:00:08,574 INFO L93 Difference]: Finished difference Result 177 states and 306 transitions. [2022-11-26 01:00:08,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-11-26 01:00:08,575 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 1.2) internal successors, (12), 10 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12 [2022-11-26 01:00:08,575 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 01:00:08,580 INFO L225 Difference]: With dead ends: 177 [2022-11-26 01:00:08,580 INFO L226 Difference]: Without dead ends: 163 [2022-11-26 01:00:08,580 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 63 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=151, Invalid=311, Unknown=0, NotChecked=0, Total=462 [2022-11-26 01:00:08,582 INFO L413 NwaCegarLoop]: 0 mSDtfsCounter, 94 mSDsluCounter, 1 mSDsCounter, 0 mSdLazyCounter, 151 mSolverCounterSat, 43 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 94 SdHoareTripleChecker+Valid, 1 SdHoareTripleChecker+Invalid, 194 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 43 IncrementalHoareTripleChecker+Valid, 151 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-26 01:00:08,582 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [94 Valid, 1 Invalid, 194 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [43 Valid, 151 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-26 01:00:08,583 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 163 states. [2022-11-26 01:00:08,587 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 163 to 133. [2022-11-26 01:00:08,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 133 states, 130 states have (on average 1.7769230769230768) internal successors, (231), 132 states have internal predecessors, (231), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 01:00:08,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 133 states and 231 transitions. [2022-11-26 01:00:08,588 INFO L78 Accepts]: Start accepts. Automaton has 133 states and 231 transitions. Word has length 12 [2022-11-26 01:00:08,590 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 01:00:08,590 INFO L495 AbstractCegarLoop]: Abstraction has 133 states and 231 transitions. [2022-11-26 01:00:08,590 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 1.2) internal successors, (12), 10 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 01:00:08,590 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 231 transitions. [2022-11-26 01:00:08,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-11-26 01:00:08,593 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 01:00:08,594 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 01:00:08,594 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2022-11-26 01:00:08,594 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, t_funErr0ASSERT_VIOLATIONDATA_RACE (and 1 more)] === [2022-11-26 01:00:08,596 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 01:00:08,596 INFO L85 PathProgramCache]: Analyzing trace with hash -1439641393, now seen corresponding path program 7 times [2022-11-26 01:00:08,596 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 01:00:08,596 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [176903169] [2022-11-26 01:00:08,597 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 01:00:08,597 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 01:00:08,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 01:00:09,021 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 01:00:09,021 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 01:00:09,021 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [176903169] [2022-11-26 01:00:09,021 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [176903169] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 01:00:09,021 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 01:00:09,022 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-11-26 01:00:09,022 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1781836381] [2022-11-26 01:00:09,022 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 01:00:09,022 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-11-26 01:00:09,022 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 01:00:09,023 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-11-26 01:00:09,023 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2022-11-26 01:00:09,023 INFO L87 Difference]: Start difference. First operand 133 states and 231 transitions. Second operand has 11 states, 10 states have (on average 1.2) internal successors, (12), 10 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 01:00:09,858 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 01:00:09,858 INFO L93 Difference]: Finished difference Result 143 states and 248 transitions. [2022-11-26 01:00:09,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-11-26 01:00:09,858 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 1.2) internal successors, (12), 10 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12 [2022-11-26 01:00:09,859 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 01:00:09,859 INFO L225 Difference]: With dead ends: 143 [2022-11-26 01:00:09,859 INFO L226 Difference]: Without dead ends: 143 [2022-11-26 01:00:09,860 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=152, Invalid=310, Unknown=0, NotChecked=0, Total=462 [2022-11-26 01:00:09,860 INFO L413 NwaCegarLoop]: 0 mSDtfsCounter, 96 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 224 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 96 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 233 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 224 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-26 01:00:09,861 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [96 Valid, 0 Invalid, 233 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 224 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-26 01:00:09,861 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 143 states. [2022-11-26 01:00:09,863 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 143 to 132. [2022-11-26 01:00:09,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 132 states, 129 states have (on average 1.7751937984496124) internal successors, (229), 131 states have internal predecessors, (229), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 01:00:09,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 132 states and 229 transitions. [2022-11-26 01:00:09,864 INFO L78 Accepts]: Start accepts. Automaton has 132 states and 229 transitions. Word has length 12 [2022-11-26 01:00:09,865 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 01:00:09,865 INFO L495 AbstractCegarLoop]: Abstraction has 132 states and 229 transitions. [2022-11-26 01:00:09,865 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 1.2) internal successors, (12), 10 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 01:00:09,865 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 229 transitions. [2022-11-26 01:00:09,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-11-26 01:00:09,865 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 01:00:09,865 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 01:00:09,865 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2022-11-26 01:00:09,866 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, t_funErr0ASSERT_VIOLATIONDATA_RACE (and 1 more)] === [2022-11-26 01:00:09,866 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 01:00:09,866 INFO L85 PathProgramCache]: Analyzing trace with hash -1509352333, now seen corresponding path program 8 times [2022-11-26 01:00:09,866 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 01:00:09,866 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [19900126] [2022-11-26 01:00:09,866 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 01:00:09,870 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 01:00:09,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 01:00:10,212 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 01:00:10,212 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 01:00:10,212 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [19900126] [2022-11-26 01:00:10,212 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [19900126] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 01:00:10,212 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 01:00:10,213 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-11-26 01:00:10,213 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [353282453] [2022-11-26 01:00:10,213 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 01:00:10,213 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-11-26 01:00:10,213 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 01:00:10,214 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-11-26 01:00:10,214 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2022-11-26 01:00:10,214 INFO L87 Difference]: Start difference. First operand 132 states and 229 transitions. Second operand has 11 states, 10 states have (on average 1.2) internal successors, (12), 10 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 01:00:10,641 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 01:00:10,641 INFO L93 Difference]: Finished difference Result 127 states and 217 transitions. [2022-11-26 01:00:10,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-26 01:00:10,641 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 1.2) internal successors, (12), 10 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12 [2022-11-26 01:00:10,642 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 01:00:10,642 INFO L225 Difference]: With dead ends: 127 [2022-11-26 01:00:10,642 INFO L226 Difference]: Without dead ends: 113 [2022-11-26 01:00:10,643 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 77 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=165, Invalid=341, Unknown=0, NotChecked=0, Total=506 [2022-11-26 01:00:10,644 INFO L413 NwaCegarLoop]: 0 mSDtfsCounter, 77 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 193 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 77 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 214 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 193 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-26 01:00:10,644 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [77 Valid, 0 Invalid, 214 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 193 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-26 01:00:10,645 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 113 states. [2022-11-26 01:00:10,647 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 113 to 62. [2022-11-26 01:00:10,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 62 states, 61 states have (on average 1.6721311475409837) internal successors, (102), 61 states have internal predecessors, (102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 01:00:10,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 102 transitions. [2022-11-26 01:00:10,648 INFO L78 Accepts]: Start accepts. Automaton has 62 states and 102 transitions. Word has length 12 [2022-11-26 01:00:10,648 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 01:00:10,648 INFO L495 AbstractCegarLoop]: Abstraction has 62 states and 102 transitions. [2022-11-26 01:00:10,648 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 1.2) internal successors, (12), 10 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 01:00:10,648 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 102 transitions. [2022-11-26 01:00:10,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-11-26 01:00:10,649 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 01:00:10,649 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 01:00:10,649 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2022-11-26 01:00:10,649 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, t_funErr0ASSERT_VIOLATIONDATA_RACE (and 1 more)] === [2022-11-26 01:00:10,650 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 01:00:10,650 INFO L85 PathProgramCache]: Analyzing trace with hash 720231207, now seen corresponding path program 14 times [2022-11-26 01:00:10,650 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 01:00:10,650 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [684229871] [2022-11-26 01:00:10,650 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 01:00:10,651 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 01:00:10,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 01:00:10,955 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 01:00:10,955 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 01:00:10,955 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [684229871] [2022-11-26 01:00:10,955 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [684229871] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 01:00:10,956 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 01:00:10,956 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-11-26 01:00:10,956 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [48573772] [2022-11-26 01:00:10,956 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 01:00:10,956 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-11-26 01:00:10,957 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 01:00:10,957 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-11-26 01:00:10,957 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2022-11-26 01:00:10,958 INFO L87 Difference]: Start difference. First operand 62 states and 102 transitions. Second operand has 11 states, 10 states have (on average 1.2) internal successors, (12), 10 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 01:00:11,313 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 01:00:11,313 INFO L93 Difference]: Finished difference Result 56 states and 91 transitions. [2022-11-26 01:00:11,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-11-26 01:00:11,314 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 1.2) internal successors, (12), 10 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12 [2022-11-26 01:00:11,314 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 01:00:11,314 INFO L225 Difference]: With dead ends: 56 [2022-11-26 01:00:11,314 INFO L226 Difference]: Without dead ends: 0 [2022-11-26 01:00:11,314 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 63 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=153, Invalid=309, Unknown=0, NotChecked=0, Total=462 [2022-11-26 01:00:11,315 INFO L413 NwaCegarLoop]: 0 mSDtfsCounter, 61 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 108 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 61 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 135 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 108 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-26 01:00:11,316 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [61 Valid, 0 Invalid, 135 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 108 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-26 01:00:11,316 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-26 01:00:11,316 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-26 01:00:11,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 01:00:11,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-26 01:00:11,317 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 12 [2022-11-26 01:00:11,317 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 01:00:11,317 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-26 01:00:11,317 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 1.2) internal successors, (12), 10 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 01:00:11,317 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-26 01:00:11,318 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-26 01:00:11,320 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (3 of 4 remaining) [2022-11-26 01:00:11,321 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 4 remaining) [2022-11-26 01:00:11,321 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (1 of 4 remaining) [2022-11-26 01:00:11,321 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (0 of 4 remaining) [2022-11-26 01:00:11,322 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2022-11-26 01:00:11,324 INFO L445 BasicCegarLoop]: Path program histogram: [14, 8, 1, 1] [2022-11-26 01:00:11,329 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-11-26 01:00:11,329 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-26 01:00:11,331 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.11 01:00:11 BasicIcfg [2022-11-26 01:00:11,332 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-26 01:00:11,332 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-26 01:00:11,332 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-26 01:00:11,332 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-26 01:00:11,333 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 12:59:39" (3/4) ... [2022-11-26 01:00:11,336 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-26 01:00:11,340 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure t_fun [2022-11-26 01:00:11,344 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2022-11-26 01:00:11,344 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2022-11-26 01:00:11,345 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-11-26 01:00:11,375 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33804a74-87d0-4bc4-b4f8-04ee8efe6153/bin/utaipan-ByfvJB40ur/witness.graphml [2022-11-26 01:00:11,376 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-26 01:00:11,376 INFO L158 Benchmark]: Toolchain (without parser) took 33657.82ms. Allocated memory was 132.1MB in the beginning and 323.0MB in the end (delta: 190.8MB). Free memory was 63.1MB in the beginning and 262.1MB in the end (delta: -199.0MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-26 01:00:11,376 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 132.1MB. Free memory is still 105.8MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-26 01:00:11,377 INFO L158 Benchmark]: CACSL2BoogieTranslator took 832.22ms. Allocated memory was 132.1MB in the beginning and 184.5MB in the end (delta: 52.4MB). Free memory was 63.1MB in the beginning and 139.8MB in the end (delta: -76.7MB). Peak memory consumption was 24.8MB. Max. memory is 16.1GB. [2022-11-26 01:00:11,377 INFO L158 Benchmark]: Boogie Procedure Inliner took 57.73ms. Allocated memory is still 184.5MB. Free memory was 139.8MB in the beginning and 137.8MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-26 01:00:11,377 INFO L158 Benchmark]: Boogie Preprocessor took 37.88ms. Allocated memory is still 184.5MB. Free memory was 137.8MB in the beginning and 135.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-26 01:00:11,378 INFO L158 Benchmark]: RCFGBuilder took 486.99ms. Allocated memory is still 184.5MB. Free memory was 135.7MB in the beginning and 149.8MB in the end (delta: -14.1MB). Peak memory consumption was 17.1MB. Max. memory is 16.1GB. [2022-11-26 01:00:11,378 INFO L158 Benchmark]: TraceAbstraction took 32190.77ms. Allocated memory was 184.5MB in the beginning and 323.0MB in the end (delta: 138.4MB). Free memory was 148.9MB in the beginning and 265.2MB in the end (delta: -116.4MB). Peak memory consumption was 20.9MB. Max. memory is 16.1GB. [2022-11-26 01:00:11,378 INFO L158 Benchmark]: Witness Printer took 43.68ms. Allocated memory is still 323.0MB. Free memory was 265.2MB in the beginning and 262.1MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-26 01:00:11,380 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 132.1MB. Free memory is still 105.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 832.22ms. Allocated memory was 132.1MB in the beginning and 184.5MB in the end (delta: 52.4MB). Free memory was 63.1MB in the beginning and 139.8MB in the end (delta: -76.7MB). Peak memory consumption was 24.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 57.73ms. Allocated memory is still 184.5MB. Free memory was 139.8MB in the beginning and 137.8MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 37.88ms. Allocated memory is still 184.5MB. Free memory was 137.8MB in the beginning and 135.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 486.99ms. Allocated memory is still 184.5MB. Free memory was 135.7MB in the beginning and 149.8MB in the end (delta: -14.1MB). Peak memory consumption was 17.1MB. Max. memory is 16.1GB. * TraceAbstraction took 32190.77ms. Allocated memory was 184.5MB in the beginning and 323.0MB in the end (delta: 138.4MB). Free memory was 148.9MB in the beginning and 265.2MB in the end (delta: -116.4MB). Peak memory consumption was 20.9MB. Max. memory is 16.1GB. * Witness Printer took 43.68ms. Allocated memory is still 323.0MB. Free memory was 265.2MB in the beginning and 262.1MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 4.5s, 87 PlacesBefore, 25 PlacesAfterwards, 84 TransitionsBefore, 21 TransitionsAfterwards, 750 CoEnabledTransitionPairs, 7 FixpointIterations, 40 TrivialSequentialCompositions, 22 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 1 ChoiceCompositions, 63 TotalNumberOfCompositions, 2856 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 1096, independent: 858, independent conditional: 0, independent unconditional: 858, dependent: 238, dependent conditional: 0, dependent unconditional: 238, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 481, independent: 431, independent conditional: 0, independent unconditional: 431, dependent: 50, dependent conditional: 0, dependent unconditional: 50, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 481, independent: 425, independent conditional: 0, independent unconditional: 425, dependent: 56, dependent conditional: 0, dependent unconditional: 56, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 56, independent: 6, independent conditional: 0, independent unconditional: 6, dependent: 50, dependent conditional: 0, dependent unconditional: 50, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 252, independent: 24, independent conditional: 0, independent unconditional: 24, dependent: 229, dependent conditional: 0, dependent unconditional: 229, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 1096, independent: 427, independent conditional: 0, independent unconditional: 427, dependent: 188, dependent conditional: 0, dependent unconditional: 188, unknown: 481, unknown conditional: 0, unknown unconditional: 481] , Statistics on independence cache: Total cache size (in pairs): 89, Positive cache size: 53, Positive conditional cache size: 0, Positive unconditional cache size: 53, Negative cache size: 36, Negative conditional cache size: 0, Negative unconditional cache size: 36, 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: 999]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 994]: there are no data races For all program executions holds that there are no data races at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 3 procedures, 101 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 32.0s, OverallIterations: 24, TraceHistogramMax: 1, PathProgramHistogramMax: 14, EmptinessCheckTime: 0.0s, AutomataDifference: 14.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 4.6s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1602 SdHoareTripleChecker+Valid, 5.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1602 mSDsluCounter, 143 SdHoareTripleChecker+Invalid, 5.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 70 mSDsCounter, 589 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 5334 IncrementalHoareTripleChecker+Invalid, 5923 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 589 mSolverCounterUnsat, 73 mSDtfsCounter, 5334 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 399 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 397 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1045 ImplicationChecksByTransitivity, 11.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=146occurred in iteration=15, InterpolantAutomatonStates: 317, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 24 MinimizatonAttempts, 400 StatesRemovedByMinimization, 18 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 12.0s InterpolantComputationTime, 282 NumberOfCodeBlocks, 282 NumberOfCodeBlocksAsserted, 24 NumberOfCheckSat, 258 ConstructedInterpolants, 0 QuantifiedInterpolants, 6547 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 24 InterpolantComputations, 24 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 2 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-11-26 01:00:11,401 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33804a74-87d0-4bc4-b4f8-04ee8efe6153/bin/utaipan-ByfvJB40ur/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