./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/weaver/popl20-more-sum-array-hom.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 8393723b Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59a3c96c-7287-437d-a1ff-2dbb330aa167/bin/utaipan-I9t0OCRTmS/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59a3c96c-7287-437d-a1ff-2dbb330aa167/bin/utaipan-I9t0OCRTmS/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59a3c96c-7287-437d-a1ff-2dbb330aa167/bin/utaipan-I9t0OCRTmS/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59a3c96c-7287-437d-a1ff-2dbb330aa167/bin/utaipan-I9t0OCRTmS/config/TaipanReach.xml -i ../../sv-benchmarks/c/weaver/popl20-more-sum-array-hom.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59a3c96c-7287-437d-a1ff-2dbb330aa167/bin/utaipan-I9t0OCRTmS/config/svcomp-DataRace-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59a3c96c-7287-437d-a1ff-2dbb330aa167/bin/utaipan-I9t0OCRTmS --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! data-race) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 0307f20ae0363cc6fed70ae0937c5000167639ab486b68a523e3313ccdd28e28 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-8393723 [2022-11-19 08:03:53,897 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-19 08:03:53,899 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-19 08:03:53,919 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-19 08:03:53,920 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-19 08:03:53,921 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-19 08:03:53,923 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-19 08:03:53,925 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-19 08:03:53,927 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-19 08:03:53,928 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-19 08:03:53,929 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-19 08:03:53,930 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-19 08:03:53,931 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-19 08:03:53,932 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-19 08:03:53,933 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-19 08:03:53,935 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-19 08:03:53,936 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-19 08:03:53,937 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-19 08:03:53,940 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-19 08:03:53,942 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-19 08:03:53,944 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-19 08:03:53,945 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-19 08:03:53,947 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-19 08:03:53,948 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-19 08:03:53,952 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-19 08:03:53,953 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-19 08:03:53,953 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-19 08:03:53,954 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-19 08:03:53,955 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-19 08:03:53,957 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-19 08:03:53,957 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-19 08:03:53,958 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-19 08:03:53,959 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-19 08:03:53,961 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-19 08:03:53,962 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-19 08:03:53,963 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-19 08:03:53,964 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-19 08:03:53,964 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-19 08:03:53,965 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-19 08:03:53,966 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-19 08:03:53,967 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-19 08:03:53,973 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59a3c96c-7287-437d-a1ff-2dbb330aa167/bin/utaipan-I9t0OCRTmS/config/svcomp-DataRace-32bit-Taipan_Default.epf [2022-11-19 08:03:54,013 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-19 08:03:54,017 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-19 08:03:54,018 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-19 08:03:54,018 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-19 08:03:54,019 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-19 08:03:54,020 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-19 08:03:54,020 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-19 08:03:54,020 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-19 08:03:54,020 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-19 08:03:54,021 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-19 08:03:54,022 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-19 08:03:54,022 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-19 08:03:54,022 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-19 08:03:54,022 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-19 08:03:54,023 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-19 08:03:54,023 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-19 08:03:54,023 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-19 08:03:54,023 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-19 08:03:54,024 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-19 08:03:54,025 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-19 08:03:54,025 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-19 08:03:54,025 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-19 08:03:54,025 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-19 08:03:54,026 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-19 08:03:54,026 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-19 08:03:54,026 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-19 08:03:54,026 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-19 08:03:54,027 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-11-19 08:03:54,027 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-19 08:03:54,027 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-19 08:03:54,027 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-19 08:03:54,028 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-19 08:03:54,028 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-19 08:03:54,028 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-19 08:03:54,029 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-19 08:03:54,029 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-19 08:03:54,029 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-19 08:03:54,029 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-19 08:03:54,030 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-19 08:03:54,030 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-19 08:03:54,031 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-19 08:03:54,031 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-19 08:03:54,031 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-19 08:03:54,031 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_59a3c96c-7287-437d-a1ff-2dbb330aa167/bin/utaipan-I9t0OCRTmS/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59a3c96c-7287-437d-a1ff-2dbb330aa167/bin/utaipan-I9t0OCRTmS Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0307f20ae0363cc6fed70ae0937c5000167639ab486b68a523e3313ccdd28e28 [2022-11-19 08:03:54,339 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-19 08:03:54,364 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-19 08:03:54,368 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-19 08:03:54,370 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-19 08:03:54,371 INFO L275 PluginConnector]: CDTParser initialized [2022-11-19 08:03:54,372 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59a3c96c-7287-437d-a1ff-2dbb330aa167/bin/utaipan-I9t0OCRTmS/../../sv-benchmarks/c/weaver/popl20-more-sum-array-hom.wvr.c [2022-11-19 08:03:54,456 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59a3c96c-7287-437d-a1ff-2dbb330aa167/bin/utaipan-I9t0OCRTmS/data/316844014/8486bb5b0a914a45810e9aee4854fad7/FLAG176c07128 [2022-11-19 08:03:55,007 INFO L306 CDTParser]: Found 1 translation units. [2022-11-19 08:03:55,008 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59a3c96c-7287-437d-a1ff-2dbb330aa167/sv-benchmarks/c/weaver/popl20-more-sum-array-hom.wvr.c [2022-11-19 08:03:55,015 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59a3c96c-7287-437d-a1ff-2dbb330aa167/bin/utaipan-I9t0OCRTmS/data/316844014/8486bb5b0a914a45810e9aee4854fad7/FLAG176c07128 [2022-11-19 08:03:55,360 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59a3c96c-7287-437d-a1ff-2dbb330aa167/bin/utaipan-I9t0OCRTmS/data/316844014/8486bb5b0a914a45810e9aee4854fad7 [2022-11-19 08:03:55,363 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-19 08:03:55,364 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-19 08:03:55,369 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-19 08:03:55,369 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-19 08:03:55,373 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-19 08:03:55,374 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 08:03:55" (1/1) ... [2022-11-19 08:03:55,375 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4a4912ef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:03:55, skipping insertion in model container [2022-11-19 08:03:55,376 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 08:03:55" (1/1) ... [2022-11-19 08:03:55,383 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-19 08:03:55,408 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-19 08:03:55,646 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59a3c96c-7287-437d-a1ff-2dbb330aa167/sv-benchmarks/c/weaver/popl20-more-sum-array-hom.wvr.c[2396,2409] [2022-11-19 08:03:55,652 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-19 08:03:55,660 INFO L203 MainTranslator]: Completed pre-run [2022-11-19 08:03:55,689 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59a3c96c-7287-437d-a1ff-2dbb330aa167/sv-benchmarks/c/weaver/popl20-more-sum-array-hom.wvr.c[2396,2409] [2022-11-19 08:03:55,693 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-19 08:03:55,708 INFO L208 MainTranslator]: Completed translation [2022-11-19 08:03:55,708 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:03:55 WrapperNode [2022-11-19 08:03:55,708 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-19 08:03:55,709 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-19 08:03:55,710 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-19 08:03:55,710 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-19 08:03:55,717 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:03:55" (1/1) ... [2022-11-19 08:03:55,728 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:03:55" (1/1) ... [2022-11-19 08:03:55,766 INFO L138 Inliner]: procedures = 25, calls = 34, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 154 [2022-11-19 08:03:55,766 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-19 08:03:55,767 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-19 08:03:55,767 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-19 08:03:55,767 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-19 08:03:55,776 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:03:55" (1/1) ... [2022-11-19 08:03:55,776 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:03:55" (1/1) ... [2022-11-19 08:03:55,781 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:03:55" (1/1) ... [2022-11-19 08:03:55,781 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:03:55" (1/1) ... [2022-11-19 08:03:55,797 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:03:55" (1/1) ... [2022-11-19 08:03:55,809 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:03:55" (1/1) ... [2022-11-19 08:03:55,811 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:03:55" (1/1) ... [2022-11-19 08:03:55,812 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:03:55" (1/1) ... [2022-11-19 08:03:55,815 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-19 08:03:55,816 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-19 08:03:55,817 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-19 08:03:55,817 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-19 08:03:55,820 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:03:55" (1/1) ... [2022-11-19 08:03:55,827 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-19 08:03:55,839 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59a3c96c-7287-437d-a1ff-2dbb330aa167/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 08:03:55,852 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59a3c96c-7287-437d-a1ff-2dbb330aa167/bin/utaipan-I9t0OCRTmS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-19 08:03:55,857 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59a3c96c-7287-437d-a1ff-2dbb330aa167/bin/utaipan-I9t0OCRTmS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-19 08:03:55,896 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-19 08:03:55,897 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-19 08:03:55,897 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-19 08:03:55,897 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-19 08:03:55,898 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-11-19 08:03:55,898 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-11-19 08:03:55,898 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-11-19 08:03:55,898 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-11-19 08:03:55,898 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-11-19 08:03:55,898 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-11-19 08:03:55,899 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-19 08:03:55,899 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-19 08:03:55,899 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-19 08:03:55,899 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-19 08:03:55,899 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-19 08:03:55,901 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-19 08:03:56,012 INFO L235 CfgBuilder]: Building ICFG [2022-11-19 08:03:56,027 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-19 08:03:56,620 INFO L276 CfgBuilder]: Performing block encoding [2022-11-19 08:03:56,630 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-19 08:03:56,630 INFO L300 CfgBuilder]: Removed 4 assume(true) statements. [2022-11-19 08:03:56,633 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 08:03:56 BoogieIcfgContainer [2022-11-19 08:03:56,633 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-19 08:03:56,636 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-19 08:03:56,636 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-19 08:03:56,640 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-19 08:03:56,640 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 08:03:55" (1/3) ... [2022-11-19 08:03:56,641 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@51f7d07e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 08:03:56, skipping insertion in model container [2022-11-19 08:03:56,642 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:03:55" (2/3) ... [2022-11-19 08:03:56,642 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@51f7d07e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 08:03:56, skipping insertion in model container [2022-11-19 08:03:56,642 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 08:03:56" (3/3) ... [2022-11-19 08:03:56,644 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-more-sum-array-hom.wvr.c [2022-11-19 08:03:56,653 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-11-19 08:03:56,665 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-19 08:03:56,665 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 30 error locations. [2022-11-19 08:03:56,666 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-19 08:03:56,798 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2022-11-19 08:03:56,857 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-11-19 08:03:56,883 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 286 places, 289 transitions, 602 flow [2022-11-19 08:03:56,888 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 286 places, 289 transitions, 602 flow [2022-11-19 08:03:56,890 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 286 places, 289 transitions, 602 flow [2022-11-19 08:03:57,073 INFO L130 PetriNetUnfolder]: 13/286 cut-off events. [2022-11-19 08:03:57,073 INFO L131 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2022-11-19 08:03:57,084 INFO L83 FinitePrefix]: Finished finitePrefix Result has 299 conditions, 286 events. 13/286 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 432 event pairs, 0 based on Foata normal form. 0/243 useless extension candidates. Maximal degree in co-relation 197. Up to 2 conditions per place. [2022-11-19 08:03:57,104 INFO L119 LiptonReduction]: Number of co-enabled transitions 11298 [2022-11-19 08:04:09,534 INFO L134 LiptonReduction]: Checked pairs total: 54276 [2022-11-19 08:04:09,534 INFO L136 LiptonReduction]: Total number of compositions: 313 [2022-11-19 08:04:09,545 INFO L113 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 96 places, 93 transitions, 210 flow [2022-11-19 08:04:10,729 INFO L135 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 27487 states, 26924 states have (on average 4.052555340959739) internal successors, (109111), 27486 states have internal predecessors, (109111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 08:04:10,753 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-19 08:04:10,766 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;@1375b7cd, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-19 08:04:10,766 INFO L358 AbstractCegarLoop]: Starting to check reachability of 49 error locations. [2022-11-19 08:04:10,809 INFO L276 IsEmpty]: Start isEmpty. Operand has 27487 states, 26924 states have (on average 4.052555340959739) internal successors, (109111), 27486 states have internal predecessors, (109111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 08:04:10,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2 [2022-11-19 08:04:10,814 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 08:04:10,815 INFO L195 NwaCegarLoop]: trace histogram [1] [2022-11-19 08:04:10,815 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 45 more)] === [2022-11-19 08:04:10,821 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 08:04:10,821 INFO L85 PathProgramCache]: Analyzing trace with hash 1060, now seen corresponding path program 1 times [2022-11-19 08:04:10,831 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 08:04:10,832 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1425216130] [2022-11-19 08:04:10,832 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:04:10,833 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 08:04:10,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:04:10,937 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 08:04:10,938 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 08:04:10,938 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1425216130] [2022-11-19 08:04:10,939 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1425216130] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 08:04:10,939 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 08:04:10,939 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [0] imperfect sequences [] total 0 [2022-11-19 08:04:10,941 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [886920085] [2022-11-19 08:04:10,942 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 08:04:10,946 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-19 08:04:10,946 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 08:04:10,974 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-19 08:04:10,975 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-19 08:04:11,119 INFO L87 Difference]: Start difference. First operand has 27487 states, 26924 states have (on average 4.052555340959739) internal successors, (109111), 27486 states have internal predecessors, (109111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 1 states have (on average 1.0) internal successors, (1), 1 states have internal predecessors, (1), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 08:04:11,535 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 08:04:11,536 INFO L93 Difference]: Finished difference Result 10509 states and 39407 transitions. [2022-11-19 08:04:11,537 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-19 08:04:11,538 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 1 states have (on average 1.0) internal successors, (1), 1 states have internal predecessors, (1), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 1 [2022-11-19 08:04:11,539 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 08:04:11,687 INFO L225 Difference]: With dead ends: 10509 [2022-11-19 08:04:11,687 INFO L226 Difference]: Without dead ends: 10506 [2022-11-19 08:04:11,688 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-19 08:04:11,691 INFO L413 NwaCegarLoop]: 29 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 33 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 29 SdHoareTripleChecker+Invalid, 33 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 33 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-19 08:04:11,692 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 29 Invalid, 33 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 33 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-19 08:04:11,754 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10506 states. [2022-11-19 08:04:12,256 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10506 to 10506. [2022-11-19 08:04:12,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10506 states, 10485 states have (on average 3.75793991416309) internal successors, (39402), 10505 states have internal predecessors, (39402), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 08:04:12,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10506 states to 10506 states and 39402 transitions. [2022-11-19 08:04:12,352 INFO L78 Accepts]: Start accepts. Automaton has 10506 states and 39402 transitions. Word has length 1 [2022-11-19 08:04:12,352 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 08:04:12,352 INFO L495 AbstractCegarLoop]: Abstraction has 10506 states and 39402 transitions. [2022-11-19 08:04:12,353 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 1 states have (on average 1.0) internal successors, (1), 1 states have internal predecessors, (1), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 08:04:12,354 INFO L276 IsEmpty]: Start isEmpty. Operand 10506 states and 39402 transitions. [2022-11-19 08:04:12,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-19 08:04:12,356 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 08:04:12,356 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 08:04:12,356 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-19 08:04:12,357 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 45 more)] === [2022-11-19 08:04:12,357 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 08:04:12,357 INFO L85 PathProgramCache]: Analyzing trace with hash -1850790791, now seen corresponding path program 1 times [2022-11-19 08:04:12,358 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 08:04:12,358 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1272055025] [2022-11-19 08:04:12,358 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:04:12,358 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 08:04:12,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:04:13,152 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 08:04:13,152 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 08:04:13,152 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1272055025] [2022-11-19 08:04:13,153 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1272055025] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 08:04:13,154 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 08:04:13,155 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-19 08:04:13,155 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [338553621] [2022-11-19 08:04:13,161 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 08:04:13,166 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-19 08:04:13,166 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 08:04:13,168 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-19 08:04:13,169 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-11-19 08:04:13,169 INFO L87 Difference]: Start difference. First operand 10506 states and 39402 transitions. Second operand has 5 states, 4 states have (on average 2.75) internal successors, (11), 5 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 08:04:13,797 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 08:04:13,797 INFO L93 Difference]: Finished difference Result 9175 states and 34078 transitions. [2022-11-19 08:04:13,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-19 08:04:13,798 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 2.75) internal successors, (11), 5 states have internal predecessors, (11), 0 states have call successors, (0), 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 11 [2022-11-19 08:04:13,798 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 08:04:13,860 INFO L225 Difference]: With dead ends: 9175 [2022-11-19 08:04:13,861 INFO L226 Difference]: Without dead ends: 9175 [2022-11-19 08:04:13,861 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-11-19 08:04:13,862 INFO L413 NwaCegarLoop]: 35 mSDtfsCounter, 59 mSDsluCounter, 36 mSDsCounter, 0 mSdLazyCounter, 313 mSolverCounterSat, 58 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 59 SdHoareTripleChecker+Valid, 71 SdHoareTripleChecker+Invalid, 371 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 58 IncrementalHoareTripleChecker+Valid, 313 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-19 08:04:13,863 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [59 Valid, 71 Invalid, 371 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [58 Valid, 313 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-11-19 08:04:13,888 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9175 states. [2022-11-19 08:04:14,324 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9175 to 9175. [2022-11-19 08:04:14,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9175 states, 9162 states have (on average 3.7194935603580004) internal successors, (34078), 9174 states have internal predecessors, (34078), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 08:04:14,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9175 states to 9175 states and 34078 transitions. [2022-11-19 08:04:14,513 INFO L78 Accepts]: Start accepts. Automaton has 9175 states and 34078 transitions. Word has length 11 [2022-11-19 08:04:14,514 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 08:04:14,515 INFO L495 AbstractCegarLoop]: Abstraction has 9175 states and 34078 transitions. [2022-11-19 08:04:14,515 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 2.75) internal successors, (11), 5 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 08:04:14,515 INFO L276 IsEmpty]: Start isEmpty. Operand 9175 states and 34078 transitions. [2022-11-19 08:04:14,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-19 08:04:14,517 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 08:04:14,518 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 08:04:14,518 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-19 08:04:14,518 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting thread1Err3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 45 more)] === [2022-11-19 08:04:14,519 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 08:04:14,519 INFO L85 PathProgramCache]: Analyzing trace with hash -1093469804, now seen corresponding path program 1 times [2022-11-19 08:04:14,519 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 08:04:14,520 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1320865578] [2022-11-19 08:04:14,520 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:04:14,520 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 08:04:14,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:04:14,757 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 08:04:14,758 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 08:04:14,758 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1320865578] [2022-11-19 08:04:14,758 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1320865578] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 08:04:14,758 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 08:04:14,759 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-19 08:04:14,759 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [10331355] [2022-11-19 08:04:14,759 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 08:04:14,760 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-19 08:04:14,760 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 08:04:14,760 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-19 08:04:14,761 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-11-19 08:04:14,761 INFO L87 Difference]: Start difference. First operand 9175 states and 34078 transitions. Second operand has 5 states, 5 states have (on average 2.2) internal successors, (11), 4 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 08:04:15,234 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 08:04:15,235 INFO L93 Difference]: Finished difference Result 13099 states and 47434 transitions. [2022-11-19 08:04:15,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-19 08:04:15,235 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 2.2) internal successors, (11), 4 states have internal predecessors, (11), 0 states have call successors, (0), 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 11 [2022-11-19 08:04:15,236 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 08:04:15,320 INFO L225 Difference]: With dead ends: 13099 [2022-11-19 08:04:15,320 INFO L226 Difference]: Without dead ends: 13099 [2022-11-19 08:04:15,321 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2022-11-19 08:04:15,322 INFO L413 NwaCegarLoop]: 44 mSDtfsCounter, 144 mSDsluCounter, 73 mSDsCounter, 0 mSdLazyCounter, 126 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 144 SdHoareTripleChecker+Valid, 117 SdHoareTripleChecker+Invalid, 126 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 126 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-19 08:04:15,322 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [144 Valid, 117 Invalid, 126 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 126 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-19 08:04:15,356 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13099 states. [2022-11-19 08:04:15,767 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13099 to 11427. [2022-11-19 08:04:15,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11427 states, 11414 states have (on average 3.735763097949886) internal successors, (42640), 11426 states have internal predecessors, (42640), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 08:04:15,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11427 states to 11427 states and 42640 transitions. [2022-11-19 08:04:15,951 INFO L78 Accepts]: Start accepts. Automaton has 11427 states and 42640 transitions. Word has length 11 [2022-11-19 08:04:15,951 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 08:04:15,952 INFO L495 AbstractCegarLoop]: Abstraction has 11427 states and 42640 transitions. [2022-11-19 08:04:15,952 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 2.2) internal successors, (11), 4 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 08:04:15,952 INFO L276 IsEmpty]: Start isEmpty. Operand 11427 states and 42640 transitions. [2022-11-19 08:04:15,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-11-19 08:04:15,958 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 08:04:15,958 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 08:04:15,958 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-19 08:04:15,958 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting thread1Err3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 45 more)] === [2022-11-19 08:04:15,959 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 08:04:15,959 INFO L85 PathProgramCache]: Analyzing trace with hash -74742726, now seen corresponding path program 1 times [2022-11-19 08:04:15,959 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 08:04:15,960 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1096140913] [2022-11-19 08:04:15,960 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:04:15,960 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 08:04:16,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:04:16,260 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-19 08:04:16,261 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 08:04:16,263 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1096140913] [2022-11-19 08:04:16,265 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1096140913] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 08:04:16,265 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 08:04:16,266 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-19 08:04:16,269 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1180560191] [2022-11-19 08:04:16,269 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 08:04:16,270 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-19 08:04:16,270 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 08:04:16,272 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-19 08:04:16,272 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-11-19 08:04:16,272 INFO L87 Difference]: Start difference. First operand 11427 states and 42640 transitions. Second operand has 5 states, 4 states have (on average 3.0) internal successors, (12), 5 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) [2022-11-19 08:04:16,898 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 08:04:16,898 INFO L93 Difference]: Finished difference Result 10677 states and 39787 transitions. [2022-11-19 08:04:16,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-19 08:04:16,900 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 3.0) internal successors, (12), 5 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 [2022-11-19 08:04:16,901 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 08:04:16,971 INFO L225 Difference]: With dead ends: 10677 [2022-11-19 08:04:16,971 INFO L226 Difference]: Without dead ends: 10677 [2022-11-19 08:04:16,971 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-11-19 08:04:16,972 INFO L413 NwaCegarLoop]: 38 mSDtfsCounter, 51 mSDsluCounter, 27 mSDsCounter, 0 mSdLazyCounter, 348 mSolverCounterSat, 45 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 51 SdHoareTripleChecker+Valid, 65 SdHoareTripleChecker+Invalid, 393 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 45 IncrementalHoareTripleChecker+Valid, 348 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-19 08:04:16,973 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [51 Valid, 65 Invalid, 393 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [45 Valid, 348 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-11-19 08:04:17,006 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10677 states. [2022-11-19 08:04:17,338 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10677 to 10677. [2022-11-19 08:04:17,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10677 states, 10668 states have (on average 3.729565054368204) internal successors, (39787), 10676 states have internal predecessors, (39787), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 08:04:17,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10677 states to 10677 states and 39787 transitions. [2022-11-19 08:04:17,531 INFO L78 Accepts]: Start accepts. Automaton has 10677 states and 39787 transitions. Word has length 12 [2022-11-19 08:04:17,532 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 08:04:17,532 INFO L495 AbstractCegarLoop]: Abstraction has 10677 states and 39787 transitions. [2022-11-19 08:04:17,532 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 3.0) internal successors, (12), 5 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) [2022-11-19 08:04:17,532 INFO L276 IsEmpty]: Start isEmpty. Operand 10677 states and 39787 transitions. [2022-11-19 08:04:17,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-11-19 08:04:17,534 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 08:04:17,535 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 08:04:17,535 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-19 08:04:17,535 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting thread2Err3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 45 more)] === [2022-11-19 08:04:17,536 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 08:04:17,536 INFO L85 PathProgramCache]: Analyzing trace with hash -428168052, now seen corresponding path program 1 times [2022-11-19 08:04:17,536 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 08:04:17,536 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1659671457] [2022-11-19 08:04:17,536 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:04:17,537 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 08:04:17,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:04:17,639 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 08:04:17,639 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 08:04:17,640 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1659671457] [2022-11-19 08:04:17,640 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1659671457] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 08:04:17,640 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 08:04:17,640 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-19 08:04:17,640 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1264064096] [2022-11-19 08:04:17,641 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 08:04:17,641 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-19 08:04:17,641 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 08:04:17,642 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-19 08:04:17,642 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-11-19 08:04:17,642 INFO L87 Difference]: Start difference. First operand 10677 states and 39787 transitions. Second operand has 5 states, 5 states have (on average 2.6) internal successors, (13), 4 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 08:04:17,844 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 08:04:17,844 INFO L93 Difference]: Finished difference Result 9906 states and 35839 transitions. [2022-11-19 08:04:17,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-19 08:04:17,845 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 2.6) internal successors, (13), 4 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 13 [2022-11-19 08:04:17,845 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 08:04:17,893 INFO L225 Difference]: With dead ends: 9906 [2022-11-19 08:04:17,893 INFO L226 Difference]: Without dead ends: 9906 [2022-11-19 08:04:17,893 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2022-11-19 08:04:17,894 INFO L413 NwaCegarLoop]: 44 mSDtfsCounter, 116 mSDsluCounter, 73 mSDsCounter, 0 mSdLazyCounter, 119 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 116 SdHoareTripleChecker+Valid, 117 SdHoareTripleChecker+Invalid, 119 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 119 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-19 08:04:17,894 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [116 Valid, 117 Invalid, 119 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 119 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-19 08:04:17,917 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9906 states. [2022-11-19 08:04:18,257 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9906 to 9686. [2022-11-19 08:04:18,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9686 states, 9677 states have (on average 3.659398573938204) internal successors, (35412), 9685 states have internal predecessors, (35412), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 08:04:18,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9686 states to 9686 states and 35412 transitions. [2022-11-19 08:04:18,315 INFO L78 Accepts]: Start accepts. Automaton has 9686 states and 35412 transitions. Word has length 13 [2022-11-19 08:04:18,315 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 08:04:18,315 INFO L495 AbstractCegarLoop]: Abstraction has 9686 states and 35412 transitions. [2022-11-19 08:04:18,315 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 2.6) internal successors, (13), 4 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 08:04:18,316 INFO L276 IsEmpty]: Start isEmpty. Operand 9686 states and 35412 transitions. [2022-11-19 08:04:18,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-11-19 08:04:18,318 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 08:04:18,318 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 08:04:18,318 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-19 08:04:18,319 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting thread2Err3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 45 more)] === [2022-11-19 08:04:18,319 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 08:04:18,319 INFO L85 PathProgramCache]: Analyzing trace with hash -683989582, now seen corresponding path program 1 times [2022-11-19 08:04:18,320 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 08:04:18,320 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1376465126] [2022-11-19 08:04:18,320 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:04:18,320 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 08:04:18,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:04:18,589 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-19 08:04:18,590 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 08:04:18,590 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1376465126] [2022-11-19 08:04:18,590 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1376465126] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 08:04:18,590 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 08:04:18,590 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-19 08:04:18,591 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1922526229] [2022-11-19 08:04:18,591 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 08:04:18,591 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-19 08:04:18,591 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 08:04:18,592 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-19 08:04:18,592 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-11-19 08:04:18,592 INFO L87 Difference]: Start difference. First operand 9686 states and 35412 transitions. Second operand has 5 states, 4 states have (on average 3.5) internal successors, (14), 5 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 08:04:19,012 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 08:04:19,012 INFO L93 Difference]: Finished difference Result 8929 states and 32591 transitions. [2022-11-19 08:04:19,013 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-19 08:04:19,013 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 3.5) internal successors, (14), 5 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 14 [2022-11-19 08:04:19,013 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 08:04:19,201 INFO L225 Difference]: With dead ends: 8929 [2022-11-19 08:04:19,201 INFO L226 Difference]: Without dead ends: 8929 [2022-11-19 08:04:19,202 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-11-19 08:04:19,203 INFO L413 NwaCegarLoop]: 38 mSDtfsCounter, 51 mSDsluCounter, 17 mSDsCounter, 0 mSdLazyCounter, 270 mSolverCounterSat, 59 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 51 SdHoareTripleChecker+Valid, 55 SdHoareTripleChecker+Invalid, 329 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 59 IncrementalHoareTripleChecker+Valid, 270 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-19 08:04:19,203 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [51 Valid, 55 Invalid, 329 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [59 Valid, 270 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-19 08:04:19,226 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8929 states. [2022-11-19 08:04:19,404 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8929 to 8929. [2022-11-19 08:04:19,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8929 states, 8924 states have (on average 3.652061855670103) internal successors, (32591), 8928 states have internal predecessors, (32591), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 08:04:19,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8929 states to 8929 states and 32591 transitions. [2022-11-19 08:04:19,457 INFO L78 Accepts]: Start accepts. Automaton has 8929 states and 32591 transitions. Word has length 14 [2022-11-19 08:04:19,457 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 08:04:19,458 INFO L495 AbstractCegarLoop]: Abstraction has 8929 states and 32591 transitions. [2022-11-19 08:04:19,458 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 3.5) internal successors, (14), 5 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 08:04:19,458 INFO L276 IsEmpty]: Start isEmpty. Operand 8929 states and 32591 transitions. [2022-11-19 08:04:19,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-11-19 08:04:19,462 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 08:04:19,462 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 08:04:19,462 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-19 08:04:19,463 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting thread3Err4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 45 more)] === [2022-11-19 08:04:19,463 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 08:04:19,464 INFO L85 PathProgramCache]: Analyzing trace with hash 405831475, now seen corresponding path program 1 times [2022-11-19 08:04:19,464 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 08:04:19,464 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1081592091] [2022-11-19 08:04:19,464 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:04:19,465 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 08:04:19,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:04:19,722 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 08:04:19,722 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 08:04:19,723 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1081592091] [2022-11-19 08:04:19,723 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1081592091] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 08:04:19,723 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 08:04:19,723 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-19 08:04:19,724 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1239322841] [2022-11-19 08:04:19,724 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 08:04:19,724 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-19 08:04:19,724 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 08:04:19,725 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-19 08:04:19,725 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-19 08:04:19,725 INFO L87 Difference]: Start difference. First operand 8929 states and 32591 transitions. Second operand has 5 states, 5 states have (on average 3.0) internal successors, (15), 4 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 08:04:19,994 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 08:04:19,995 INFO L93 Difference]: Finished difference Result 8363 states and 30421 transitions. [2022-11-19 08:04:19,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-19 08:04:19,995 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 3.0) internal successors, (15), 4 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 15 [2022-11-19 08:04:19,996 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 08:04:20,039 INFO L225 Difference]: With dead ends: 8363 [2022-11-19 08:04:20,039 INFO L226 Difference]: Without dead ends: 8355 [2022-11-19 08:04:20,039 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-11-19 08:04:20,040 INFO L413 NwaCegarLoop]: 53 mSDtfsCounter, 126 mSDsluCounter, 128 mSDsCounter, 0 mSdLazyCounter, 162 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 126 SdHoareTripleChecker+Valid, 181 SdHoareTripleChecker+Invalid, 163 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 162 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-19 08:04:20,041 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [126 Valid, 181 Invalid, 163 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 162 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-19 08:04:20,065 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8355 states. [2022-11-19 08:04:20,306 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8355 to 8337. [2022-11-19 08:04:20,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8337 states, 8332 states have (on average 3.6473835813730195) internal successors, (30390), 8336 states have internal predecessors, (30390), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 08:04:20,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8337 states to 8337 states and 30390 transitions. [2022-11-19 08:04:20,508 INFO L78 Accepts]: Start accepts. Automaton has 8337 states and 30390 transitions. Word has length 15 [2022-11-19 08:04:20,509 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 08:04:20,509 INFO L495 AbstractCegarLoop]: Abstraction has 8337 states and 30390 transitions. [2022-11-19 08:04:20,509 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 3.0) internal successors, (15), 4 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 08:04:20,509 INFO L276 IsEmpty]: Start isEmpty. Operand 8337 states and 30390 transitions. [2022-11-19 08:04:20,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-11-19 08:04:20,513 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 08:04:20,513 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 08:04:20,513 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-19 08:04:20,513 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting thread3Err4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 45 more)] === [2022-11-19 08:04:20,514 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 08:04:20,514 INFO L85 PathProgramCache]: Analyzing trace with hash -625522983, now seen corresponding path program 1 times [2022-11-19 08:04:20,514 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 08:04:20,514 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1201476577] [2022-11-19 08:04:20,514 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:04:20,514 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 08:04:20,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:04:20,728 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-19 08:04:20,728 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 08:04:20,728 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1201476577] [2022-11-19 08:04:20,728 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1201476577] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 08:04:20,728 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 08:04:20,729 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-19 08:04:20,729 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [253289657] [2022-11-19 08:04:20,729 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 08:04:20,729 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-19 08:04:20,729 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 08:04:20,730 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-19 08:04:20,730 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-11-19 08:04:20,730 INFO L87 Difference]: Start difference. First operand 8337 states and 30390 transitions. Second operand has 5 states, 4 states have (on average 4.0) internal successors, (16), 5 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 08:04:21,158 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 08:04:21,158 INFO L93 Difference]: Finished difference Result 7660 states and 27866 transitions. [2022-11-19 08:04:21,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-19 08:04:21,159 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 4.0) internal successors, (16), 5 states have internal predecessors, (16), 0 states have call successors, (0), 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 16 [2022-11-19 08:04:21,159 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 08:04:21,192 INFO L225 Difference]: With dead ends: 7660 [2022-11-19 08:04:21,192 INFO L226 Difference]: Without dead ends: 7642 [2022-11-19 08:04:21,193 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-11-19 08:04:21,193 INFO L413 NwaCegarLoop]: 38 mSDtfsCounter, 51 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 302 mSolverCounterSat, 70 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 51 SdHoareTripleChecker+Valid, 58 SdHoareTripleChecker+Invalid, 372 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 70 IncrementalHoareTripleChecker+Valid, 302 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-19 08:04:21,194 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [51 Valid, 58 Invalid, 372 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [70 Valid, 302 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-11-19 08:04:21,212 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7642 states. [2022-11-19 08:04:21,454 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7642 to 7642. [2022-11-19 08:04:21,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7642 states, 7640 states have (on average 3.642670157068063) internal successors, (27830), 7641 states have internal predecessors, (27830), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 08:04:21,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7642 states to 7642 states and 27830 transitions. [2022-11-19 08:04:21,497 INFO L78 Accepts]: Start accepts. Automaton has 7642 states and 27830 transitions. Word has length 16 [2022-11-19 08:04:21,497 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 08:04:21,498 INFO L495 AbstractCegarLoop]: Abstraction has 7642 states and 27830 transitions. [2022-11-19 08:04:21,498 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 4.0) internal successors, (16), 5 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 08:04:21,498 INFO L276 IsEmpty]: Start isEmpty. Operand 7642 states and 27830 transitions. [2022-11-19 08:04:21,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-11-19 08:04:21,510 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 08:04:21,511 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 08:04:21,511 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-19 08:04:21,511 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 45 more)] === [2022-11-19 08:04:21,515 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 08:04:21,515 INFO L85 PathProgramCache]: Analyzing trace with hash 1164648722, now seen corresponding path program 1 times [2022-11-19 08:04:21,515 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 08:04:21,515 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [850586950] [2022-11-19 08:04:21,515 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:04:21,516 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 08:04:21,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:04:21,803 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 08:04:21,803 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 08:04:21,803 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [850586950] [2022-11-19 08:04:21,803 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [850586950] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 08:04:21,803 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 08:04:21,804 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-19 08:04:21,804 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1833580881] [2022-11-19 08:04:21,804 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 08:04:21,805 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-19 08:04:21,805 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 08:04:21,805 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-19 08:04:21,805 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-11-19 08:04:21,806 INFO L87 Difference]: Start difference. First operand 7642 states and 27830 transitions. Second operand has 5 states, 4 states have (on average 5.0) internal successors, (20), 5 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 08:04:22,133 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 08:04:22,133 INFO L93 Difference]: Finished difference Result 7523 states and 27480 transitions. [2022-11-19 08:04:22,133 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-19 08:04:22,134 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 5.0) internal successors, (20), 5 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 20 [2022-11-19 08:04:22,134 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 08:04:22,167 INFO L225 Difference]: With dead ends: 7523 [2022-11-19 08:04:22,167 INFO L226 Difference]: Without dead ends: 7523 [2022-11-19 08:04:22,167 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-11-19 08:04:22,169 INFO L413 NwaCegarLoop]: 33 mSDtfsCounter, 40 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 191 mSolverCounterSat, 36 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 40 SdHoareTripleChecker+Valid, 53 SdHoareTripleChecker+Invalid, 227 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 36 IncrementalHoareTripleChecker+Valid, 191 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-19 08:04:22,169 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [40 Valid, 53 Invalid, 227 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [36 Valid, 191 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-19 08:04:22,187 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7523 states. [2022-11-19 08:04:22,433 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7523 to 7523. [2022-11-19 08:04:22,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7523 states, 7522 states have (on average 3.653283701143313) internal successors, (27480), 7522 states have internal predecessors, (27480), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 08:04:22,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7523 states to 7523 states and 27480 transitions. [2022-11-19 08:04:22,476 INFO L78 Accepts]: Start accepts. Automaton has 7523 states and 27480 transitions. Word has length 20 [2022-11-19 08:04:22,476 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 08:04:22,477 INFO L495 AbstractCegarLoop]: Abstraction has 7523 states and 27480 transitions. [2022-11-19 08:04:22,478 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 5.0) internal successors, (20), 5 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 08:04:22,478 INFO L276 IsEmpty]: Start isEmpty. Operand 7523 states and 27480 transitions. [2022-11-19 08:04:22,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2022-11-19 08:04:22,508 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 08:04:22,508 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 08:04:22,508 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-11-19 08:04:22,509 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 45 more)] === [2022-11-19 08:04:22,509 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 08:04:22,509 INFO L85 PathProgramCache]: Analyzing trace with hash -1953067478, now seen corresponding path program 1 times [2022-11-19 08:04:22,509 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 08:04:22,510 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1397649814] [2022-11-19 08:04:22,510 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:04:22,510 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 08:04:22,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:04:22,762 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 08:04:22,762 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 08:04:22,762 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1397649814] [2022-11-19 08:04:22,762 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1397649814] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 08:04:22,763 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 08:04:22,763 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-19 08:04:22,763 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1777519823] [2022-11-19 08:04:22,763 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 08:04:22,763 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-19 08:04:22,763 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 08:04:22,764 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-19 08:04:22,764 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-11-19 08:04:22,764 INFO L87 Difference]: Start difference. First operand 7523 states and 27480 transitions. Second operand has 5 states, 4 states have (on average 7.25) internal successors, (29), 5 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 08:04:22,975 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 08:04:22,975 INFO L93 Difference]: Finished difference Result 7509 states and 27452 transitions. [2022-11-19 08:04:22,975 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-19 08:04:22,975 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 7.25) internal successors, (29), 5 states have internal predecessors, (29), 0 states have call successors, (0), 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 29 [2022-11-19 08:04:22,976 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 08:04:22,976 INFO L225 Difference]: With dead ends: 7509 [2022-11-19 08:04:22,976 INFO L226 Difference]: Without dead ends: 0 [2022-11-19 08:04:22,976 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-11-19 08:04:22,977 INFO L413 NwaCegarLoop]: 31 mSDtfsCounter, 18 mSDsluCounter, 16 mSDsCounter, 0 mSdLazyCounter, 158 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 47 SdHoareTripleChecker+Invalid, 172 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 158 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-19 08:04:22,977 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [18 Valid, 47 Invalid, 172 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 158 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-19 08:04:22,977 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-19 08:04:22,977 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-19 08:04:22,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 08:04:22,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-19 08:04:22,978 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 29 [2022-11-19 08:04:22,978 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 08:04:22,978 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-19 08:04:22,978 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 7.25) internal successors, (29), 5 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 08:04:22,978 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-19 08:04:22,979 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-19 08:04:22,981 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (48 of 49 remaining) [2022-11-19 08:04:22,981 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (47 of 49 remaining) [2022-11-19 08:04:22,982 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (46 of 49 remaining) [2022-11-19 08:04:22,982 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (45 of 49 remaining) [2022-11-19 08:04:22,982 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (44 of 49 remaining) [2022-11-19 08:04:22,982 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (43 of 49 remaining) [2022-11-19 08:04:22,982 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (42 of 49 remaining) [2022-11-19 08:04:22,983 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (41 of 49 remaining) [2022-11-19 08:04:22,983 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (40 of 49 remaining) [2022-11-19 08:04:22,983 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (39 of 49 remaining) [2022-11-19 08:04:22,983 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (38 of 49 remaining) [2022-11-19 08:04:22,983 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (37 of 49 remaining) [2022-11-19 08:04:22,983 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (36 of 49 remaining) [2022-11-19 08:04:22,984 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (35 of 49 remaining) [2022-11-19 08:04:22,984 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err4ASSERT_VIOLATIONDATA_RACE (34 of 49 remaining) [2022-11-19 08:04:22,984 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err5ASSERT_VIOLATIONDATA_RACE (33 of 49 remaining) [2022-11-19 08:04:22,984 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (32 of 49 remaining) [2022-11-19 08:04:22,985 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (31 of 49 remaining) [2022-11-19 08:04:22,985 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (30 of 49 remaining) [2022-11-19 08:04:22,985 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (29 of 49 remaining) [2022-11-19 08:04:22,985 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (28 of 49 remaining) [2022-11-19 08:04:22,985 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (27 of 49 remaining) [2022-11-19 08:04:22,985 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (26 of 49 remaining) [2022-11-19 08:04:22,986 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (25 of 49 remaining) [2022-11-19 08:04:22,986 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (24 of 49 remaining) [2022-11-19 08:04:22,986 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (23 of 49 remaining) [2022-11-19 08:04:22,986 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (22 of 49 remaining) [2022-11-19 08:04:22,986 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (21 of 49 remaining) [2022-11-19 08:04:22,986 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE (20 of 49 remaining) [2022-11-19 08:04:22,986 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE (19 of 49 remaining) [2022-11-19 08:04:22,987 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (18 of 49 remaining) [2022-11-19 08:04:22,987 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (17 of 49 remaining) [2022-11-19 08:04:22,987 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (16 of 49 remaining) [2022-11-19 08:04:22,987 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (15 of 49 remaining) [2022-11-19 08:04:22,987 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (14 of 49 remaining) [2022-11-19 08:04:22,987 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (13 of 49 remaining) [2022-11-19 08:04:22,988 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (12 of 49 remaining) [2022-11-19 08:04:22,988 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (11 of 49 remaining) [2022-11-19 08:04:22,988 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (10 of 49 remaining) [2022-11-19 08:04:22,988 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (9 of 49 remaining) [2022-11-19 08:04:22,988 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (8 of 49 remaining) [2022-11-19 08:04:22,988 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (7 of 49 remaining) [2022-11-19 08:04:22,988 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (6 of 49 remaining) [2022-11-19 08:04:22,989 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (5 of 49 remaining) [2022-11-19 08:04:22,989 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (4 of 49 remaining) [2022-11-19 08:04:22,989 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (3 of 49 remaining) [2022-11-19 08:04:22,989 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (2 of 49 remaining) [2022-11-19 08:04:22,989 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err4ASSERT_VIOLATIONDATA_RACE (1 of 49 remaining) [2022-11-19 08:04:22,989 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err5ASSERT_VIOLATIONDATA_RACE (0 of 49 remaining) [2022-11-19 08:04:22,990 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-11-19 08:04:22,992 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 08:04:22,997 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-11-19 08:04:22,997 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-19 08:04:23,000 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 08:04:23 BasicIcfg [2022-11-19 08:04:23,000 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-19 08:04:23,001 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-19 08:04:23,001 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-19 08:04:23,001 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-19 08:04:23,002 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 08:03:56" (3/4) ... [2022-11-19 08:04:23,004 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-19 08:04:23,010 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2022-11-19 08:04:23,010 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2022-11-19 08:04:23,011 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread3 [2022-11-19 08:04:23,016 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 24 nodes and edges [2022-11-19 08:04:23,016 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-11-19 08:04:23,016 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-11-19 08:04:23,017 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-19 08:04:23,070 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59a3c96c-7287-437d-a1ff-2dbb330aa167/bin/utaipan-I9t0OCRTmS/witness.graphml [2022-11-19 08:04:23,070 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-19 08:04:23,071 INFO L158 Benchmark]: Toolchain (without parser) took 27706.85ms. Allocated memory was 94.4MB in the beginning and 2.8GB in the end (delta: 2.7GB). Free memory was 62.3MB in the beginning and 2.0GB in the end (delta: -2.0GB). Peak memory consumption was 704.1MB. Max. memory is 16.1GB. [2022-11-19 08:04:23,071 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 94.4MB. Free memory was 50.9MB in the beginning and 50.9MB in the end (delta: 50.0kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-19 08:04:23,072 INFO L158 Benchmark]: CACSL2BoogieTranslator took 340.05ms. Allocated memory is still 94.4MB. Free memory was 62.1MB in the beginning and 68.4MB in the end (delta: -6.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-11-19 08:04:23,072 INFO L158 Benchmark]: Boogie Procedure Inliner took 56.95ms. Allocated memory is still 94.4MB. Free memory was 68.4MB in the beginning and 66.2MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-19 08:04:23,072 INFO L158 Benchmark]: Boogie Preprocessor took 48.73ms. Allocated memory is still 94.4MB. Free memory was 66.2MB in the beginning and 63.9MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-19 08:04:23,073 INFO L158 Benchmark]: RCFGBuilder took 817.10ms. Allocated memory was 94.4MB in the beginning and 127.9MB in the end (delta: 33.6MB). Free memory was 63.9MB in the beginning and 98.9MB in the end (delta: -34.9MB). Peak memory consumption was 26.4MB. Max. memory is 16.1GB. [2022-11-19 08:04:23,074 INFO L158 Benchmark]: TraceAbstraction took 26364.62ms. Allocated memory was 127.9MB in the beginning and 2.8GB in the end (delta: 2.6GB). Free memory was 98.3MB in the beginning and 2.0GB in the end (delta: -1.9GB). Peak memory consumption was 705.8MB. Max. memory is 16.1GB. [2022-11-19 08:04:23,074 INFO L158 Benchmark]: Witness Printer took 69.43ms. Allocated memory is still 2.8GB. Free memory was 2.0GB in the beginning and 2.0GB in the end (delta: 4.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-19 08:04:23,078 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 94.4MB. Free memory was 50.9MB in the beginning and 50.9MB in the end (delta: 50.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 340.05ms. Allocated memory is still 94.4MB. Free memory was 62.1MB in the beginning and 68.4MB in the end (delta: -6.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 56.95ms. Allocated memory is still 94.4MB. Free memory was 68.4MB in the beginning and 66.2MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 48.73ms. Allocated memory is still 94.4MB. Free memory was 66.2MB in the beginning and 63.9MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 817.10ms. Allocated memory was 94.4MB in the beginning and 127.9MB in the end (delta: 33.6MB). Free memory was 63.9MB in the beginning and 98.9MB in the end (delta: -34.9MB). Peak memory consumption was 26.4MB. Max. memory is 16.1GB. * TraceAbstraction took 26364.62ms. Allocated memory was 127.9MB in the beginning and 2.8GB in the end (delta: 2.6GB). Free memory was 98.3MB in the beginning and 2.0GB in the end (delta: -1.9GB). Peak memory consumption was 705.8MB. Max. memory is 16.1GB. * Witness Printer took 69.43ms. Allocated memory is still 2.8GB. Free memory was 2.0GB in the beginning and 2.0GB in the end (delta: 4.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 12.6s, 286 PlacesBefore, 96 PlacesAfterwards, 289 TransitionsBefore, 93 TransitionsAfterwards, 11298 CoEnabledTransitionPairs, 10 FixpointIterations, 157 TrivialSequentialCompositions, 115 ConcurrentSequentialCompositions, 24 TrivialYvCompositions, 11 ConcurrentYvCompositions, 6 ChoiceCompositions, 313 TotalNumberOfCompositions, 54276 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 29438, independent: 28509, independent conditional: 0, independent unconditional: 28509, dependent: 929, dependent conditional: 0, dependent unconditional: 929, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 9315, independent: 9141, independent conditional: 0, independent unconditional: 9141, dependent: 174, dependent conditional: 0, dependent unconditional: 174, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 9315, independent: 8384, independent conditional: 0, independent unconditional: 8384, dependent: 931, dependent conditional: 0, dependent unconditional: 931, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 931, independent: 757, independent conditional: 0, independent unconditional: 757, dependent: 174, dependent conditional: 0, dependent unconditional: 174, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 2001, independent: 1459, independent conditional: 0, independent unconditional: 1459, dependent: 541, dependent conditional: 0, dependent unconditional: 541, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 29438, independent: 19368, independent conditional: 0, independent unconditional: 19368, dependent: 755, dependent conditional: 0, dependent unconditional: 755, unknown: 9315, unknown conditional: 0, unknown unconditional: 9315] , Statistics on independence cache: Total cache size (in pairs): 1896, Positive cache size: 1826, Positive conditional cache size: 0, Positive unconditional cache size: 1826, Negative cache size: 70, Negative conditional cache size: 0, Negative unconditional cache size: 70, 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: 48]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 49]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 49]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 49]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 49]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 56]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 57]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 57]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 57]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 57]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 64]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 64]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 65]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 65]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 65]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 65]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 75]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 76]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 77]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 77]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 101]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 79]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 79]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 79]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 85]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 86]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 87]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 89]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 89]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 89]: there are no data races For all program executions holds that there are no data races at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 7 procedures, 376 locations, 49 error locations. Started 1 CEGAR loops. OverallTime: 26.1s, OverallIterations: 10, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 4.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 13.9s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 656 SdHoareTripleChecker+Valid, 2.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 656 mSDsluCounter, 793 SdHoareTripleChecker+Invalid, 2.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 410 mSDsCounter, 283 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2022 IncrementalHoareTripleChecker+Invalid, 2305 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 283 mSolverCounterUnsat, 383 mSDtfsCounter, 2022 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 42 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=27487occurred in iteration=0, InterpolantAutomatonStates: 48, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 4.2s AutomataMinimizationTime, 10 MinimizatonAttempts, 1910 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 2.4s InterpolantComputationTime, 142 NumberOfCodeBlocks, 142 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 132 ConstructedInterpolants, 0 QuantifiedInterpolants, 549 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 10 InterpolantComputations, 10 PerfectInterpolantSequences, 3/3 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 30 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-11-19 08:04:23,116 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59a3c96c-7287-437d-a1ff-2dbb330aa167/bin/utaipan-I9t0OCRTmS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE