./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/goblint-regression/13-privatized_44-traces-mine2_true.i --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_d15a5207-a50d-47de-9d5d-4edcc0bb68a3/bin/utaipan-I9t0OCRTmS/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d15a5207-a50d-47de-9d5d-4edcc0bb68a3/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_d15a5207-a50d-47de-9d5d-4edcc0bb68a3/bin/utaipan-I9t0OCRTmS/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d15a5207-a50d-47de-9d5d-4edcc0bb68a3/bin/utaipan-I9t0OCRTmS/config/TaipanReach.xml -i ../../sv-benchmarks/c/goblint-regression/13-privatized_44-traces-mine2_true.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d15a5207-a50d-47de-9d5d-4edcc0bb68a3/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_d15a5207-a50d-47de-9d5d-4edcc0bb68a3/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 abd7c6a811fa727af1a8295486441ec66634091da13d54772e1efa33885ef21c --- 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 06:44:06,009 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-19 06:44:06,011 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-19 06:44:06,036 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-19 06:44:06,036 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-19 06:44:06,037 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-19 06:44:06,039 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-19 06:44:06,040 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-19 06:44:06,042 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-19 06:44:06,043 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-19 06:44:06,044 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-19 06:44:06,046 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-19 06:44:06,046 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-19 06:44:06,047 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-19 06:44:06,048 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-19 06:44:06,050 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-19 06:44:06,050 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-19 06:44:06,051 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-19 06:44:06,053 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-19 06:44:06,055 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-19 06:44:06,056 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-19 06:44:06,058 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-19 06:44:06,059 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-19 06:44:06,060 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-19 06:44:06,063 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-19 06:44:06,064 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-19 06:44:06,064 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-19 06:44:06,065 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-19 06:44:06,066 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-19 06:44:06,067 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-19 06:44:06,067 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-19 06:44:06,068 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-19 06:44:06,069 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-19 06:44:06,070 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-19 06:44:06,071 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-19 06:44:06,071 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-19 06:44:06,072 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-19 06:44:06,072 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-19 06:44:06,072 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-19 06:44:06,073 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-19 06:44:06,074 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-19 06:44:06,075 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d15a5207-a50d-47de-9d5d-4edcc0bb68a3/bin/utaipan-I9t0OCRTmS/config/svcomp-DataRace-32bit-Taipan_Default.epf [2022-11-19 06:44:06,111 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-19 06:44:06,111 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-19 06:44:06,111 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-19 06:44:06,112 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-19 06:44:06,112 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-19 06:44:06,113 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-19 06:44:06,131 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-19 06:44:06,131 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-19 06:44:06,132 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-19 06:44:06,132 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-19 06:44:06,133 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-19 06:44:06,133 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-19 06:44:06,133 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-19 06:44:06,134 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-19 06:44:06,134 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-19 06:44:06,134 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-19 06:44:06,134 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-19 06:44:06,134 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-19 06:44:06,135 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-19 06:44:06,135 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-19 06:44:06,136 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-19 06:44:06,136 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-19 06:44:06,136 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-19 06:44:06,138 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-19 06:44:06,138 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-19 06:44:06,138 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-19 06:44:06,138 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-19 06:44:06,139 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-11-19 06:44:06,139 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-19 06:44:06,139 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-19 06:44:06,139 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-19 06:44:06,140 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-19 06:44:06,140 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-19 06:44:06,140 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-19 06:44:06,140 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-19 06:44:06,141 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-19 06:44:06,141 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-19 06:44:06,141 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-19 06:44:06,141 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-19 06:44:06,142 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-19 06:44:06,142 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-19 06:44:06,143 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-19 06:44:06,143 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-19 06:44:06,143 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_d15a5207-a50d-47de-9d5d-4edcc0bb68a3/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d15a5207-a50d-47de-9d5d-4edcc0bb68a3/bin/utaipan-I9t0OCRTmS Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> abd7c6a811fa727af1a8295486441ec66634091da13d54772e1efa33885ef21c [2022-11-19 06:44:06,405 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-19 06:44:06,431 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-19 06:44:06,435 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-19 06:44:06,436 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-19 06:44:06,437 INFO L275 PluginConnector]: CDTParser initialized [2022-11-19 06:44:06,438 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d15a5207-a50d-47de-9d5d-4edcc0bb68a3/bin/utaipan-I9t0OCRTmS/../../sv-benchmarks/c/goblint-regression/13-privatized_44-traces-mine2_true.i [2022-11-19 06:44:06,524 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d15a5207-a50d-47de-9d5d-4edcc0bb68a3/bin/utaipan-I9t0OCRTmS/data/c077b5cbf/f667ed211e944d99a0c66735fbd32ce2/FLAGbc6fc9a61 [2022-11-19 06:44:07,108 INFO L306 CDTParser]: Found 1 translation units. [2022-11-19 06:44:07,109 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d15a5207-a50d-47de-9d5d-4edcc0bb68a3/sv-benchmarks/c/goblint-regression/13-privatized_44-traces-mine2_true.i [2022-11-19 06:44:07,126 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d15a5207-a50d-47de-9d5d-4edcc0bb68a3/bin/utaipan-I9t0OCRTmS/data/c077b5cbf/f667ed211e944d99a0c66735fbd32ce2/FLAGbc6fc9a61 [2022-11-19 06:44:07,363 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d15a5207-a50d-47de-9d5d-4edcc0bb68a3/bin/utaipan-I9t0OCRTmS/data/c077b5cbf/f667ed211e944d99a0c66735fbd32ce2 [2022-11-19 06:44:07,367 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-19 06:44:07,370 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-19 06:44:07,374 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-19 06:44:07,374 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-19 06:44:07,378 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-19 06:44:07,379 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 06:44:07" (1/1) ... [2022-11-19 06:44:07,380 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@12c129d0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:44:07, skipping insertion in model container [2022-11-19 06:44:07,381 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 06:44:07" (1/1) ... [2022-11-19 06:44:07,398 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-19 06:44:07,454 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-19 06:44:07,689 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_d15a5207-a50d-47de-9d5d-4edcc0bb68a3/sv-benchmarks/c/goblint-regression/13-privatized_44-traces-mine2_true.i[1089,1102] [2022-11-19 06:44:07,835 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-19 06:44:07,852 INFO L203 MainTranslator]: Completed pre-run [2022-11-19 06:44:07,873 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_d15a5207-a50d-47de-9d5d-4edcc0bb68a3/sv-benchmarks/c/goblint-regression/13-privatized_44-traces-mine2_true.i[1089,1102] [2022-11-19 06:44:07,932 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-19 06:44:07,983 INFO L208 MainTranslator]: Completed translation [2022-11-19 06:44:07,983 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:44:07 WrapperNode [2022-11-19 06:44:07,983 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-19 06:44:07,984 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-19 06:44:07,985 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-19 06:44:07,985 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-19 06:44:07,994 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:44:07" (1/1) ... [2022-11-19 06:44:08,023 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:44:07" (1/1) ... [2022-11-19 06:44:08,058 INFO L138 Inliner]: procedures = 162, calls = 29, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 57 [2022-11-19 06:44:08,058 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-19 06:44:08,059 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-19 06:44:08,059 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-19 06:44:08,059 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-19 06:44:08,070 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:44:07" (1/1) ... [2022-11-19 06:44:08,070 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:44:07" (1/1) ... [2022-11-19 06:44:08,073 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:44:07" (1/1) ... [2022-11-19 06:44:08,073 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:44:07" (1/1) ... [2022-11-19 06:44:08,078 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:44:07" (1/1) ... [2022-11-19 06:44:08,080 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:44:07" (1/1) ... [2022-11-19 06:44:08,082 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:44:07" (1/1) ... [2022-11-19 06:44:08,083 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:44:07" (1/1) ... [2022-11-19 06:44:08,086 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-19 06:44:08,087 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-19 06:44:08,087 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-19 06:44:08,087 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-19 06:44:08,089 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:44:07" (1/1) ... [2022-11-19 06:44:08,097 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-19 06:44:08,113 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d15a5207-a50d-47de-9d5d-4edcc0bb68a3/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 06:44:08,130 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d15a5207-a50d-47de-9d5d-4edcc0bb68a3/bin/utaipan-I9t0OCRTmS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-19 06:44:08,159 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d15a5207-a50d-47de-9d5d-4edcc0bb68a3/bin/utaipan-I9t0OCRTmS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-19 06:44:08,202 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-19 06:44:08,202 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-11-19 06:44:08,202 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-19 06:44:08,203 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-19 06:44:08,203 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2022-11-19 06:44:08,203 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2022-11-19 06:44:08,203 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-19 06:44:08,203 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-19 06:44:08,203 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-19 06:44:08,204 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-19 06:44:08,205 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 06:44:08,366 INFO L235 CfgBuilder]: Building ICFG [2022-11-19 06:44:08,369 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-19 06:44:08,602 INFO L276 CfgBuilder]: Performing block encoding [2022-11-19 06:44:08,611 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-19 06:44:08,611 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-19 06:44:08,614 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 06:44:08 BoogieIcfgContainer [2022-11-19 06:44:08,614 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-19 06:44:08,618 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-19 06:44:08,618 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-19 06:44:08,623 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-19 06:44:08,624 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 06:44:07" (1/3) ... [2022-11-19 06:44:08,625 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@61020b22 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 06:44:08, skipping insertion in model container [2022-11-19 06:44:08,625 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:44:07" (2/3) ... [2022-11-19 06:44:08,626 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@61020b22 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 06:44:08, skipping insertion in model container [2022-11-19 06:44:08,626 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 06:44:08" (3/3) ... [2022-11-19 06:44:08,628 INFO L112 eAbstractionObserver]: Analyzing ICFG 13-privatized_44-traces-mine2_true.i [2022-11-19 06:44:08,639 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-11-19 06:44:08,653 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-19 06:44:08,653 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 5 error locations. [2022-11-19 06:44:08,654 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-19 06:44:08,763 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-11-19 06:44:08,809 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-11-19 06:44:08,835 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 98 places, 96 transitions, 197 flow [2022-11-19 06:44:08,839 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 98 places, 96 transitions, 197 flow [2022-11-19 06:44:08,841 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 98 places, 96 transitions, 197 flow [2022-11-19 06:44:08,963 INFO L130 PetriNetUnfolder]: 2/95 cut-off events. [2022-11-19 06:44:08,963 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-11-19 06:44:08,970 INFO L83 FinitePrefix]: Finished finitePrefix Result has 99 conditions, 95 events. 2/95 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 79 event pairs, 0 based on Foata normal form. 0/88 useless extension candidates. Maximal degree in co-relation 63. Up to 2 conditions per place. [2022-11-19 06:44:08,973 INFO L119 LiptonReduction]: Number of co-enabled transitions 1944 [2022-11-19 06:44:12,766 INFO L134 LiptonReduction]: Checked pairs total: 5449 [2022-11-19 06:44:12,766 INFO L136 LiptonReduction]: Total number of compositions: 84 [2022-11-19 06:44:12,781 INFO L113 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 28 places, 26 transitions, 57 flow [2022-11-19 06:44:12,812 INFO L135 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 130 states, 119 states have (on average 2.1596638655462184) internal successors, (257), 129 states have internal predecessors, (257), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 06:44:12,833 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-19 06:44:12,841 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;@68fb182f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-19 06:44:12,841 INFO L358 AbstractCegarLoop]: Starting to check reachability of 9 error locations. [2022-11-19 06:44:12,844 INFO L276 IsEmpty]: Start isEmpty. Operand has 130 states, 119 states have (on average 2.1596638655462184) internal successors, (257), 129 states have internal predecessors, (257), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 06:44:12,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-11-19 06:44:12,851 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 06:44:12,852 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2022-11-19 06:44:12,852 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-11-19 06:44:12,859 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 06:44:12,859 INFO L85 PathProgramCache]: Analyzing trace with hash 10478890, now seen corresponding path program 1 times [2022-11-19 06:44:12,871 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 06:44:12,871 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1382411787] [2022-11-19 06:44:12,872 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 06:44:12,872 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 06:44:13,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 06:44:13,153 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 06:44:13,154 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 06:44:13,154 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1382411787] [2022-11-19 06:44:13,155 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1382411787] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 06:44:13,156 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 06:44:13,156 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-19 06:44:13,158 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [39111129] [2022-11-19 06:44:13,159 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 06:44:13,165 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-19 06:44:13,165 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 06:44:13,197 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-19 06:44:13,198 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 06:44:13,204 INFO L87 Difference]: Start difference. First operand has 130 states, 119 states have (on average 2.1596638655462184) internal successors, (257), 129 states have internal predecessors, (257), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states 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 06:44:13,335 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 06:44:13,335 INFO L93 Difference]: Finished difference Result 137 states and 248 transitions. [2022-11-19 06:44:13,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-19 06:44:13,339 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 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 4 [2022-11-19 06:44:13,339 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 06:44:13,355 INFO L225 Difference]: With dead ends: 137 [2022-11-19 06:44:13,355 INFO L226 Difference]: Without dead ends: 137 [2022-11-19 06:44:13,356 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 06:44:13,363 INFO L413 NwaCegarLoop]: 7 mSDtfsCounter, 8 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 50 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 7 SdHoareTripleChecker+Invalid, 50 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 50 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-19 06:44:13,370 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 7 Invalid, 50 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 50 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-19 06:44:13,393 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 137 states. [2022-11-19 06:44:13,439 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 137 to 137. [2022-11-19 06:44:13,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 137 states, 126 states have (on average 1.9682539682539681) internal successors, (248), 136 states have internal predecessors, (248), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 06:44:13,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 137 states and 248 transitions. [2022-11-19 06:44:13,451 INFO L78 Accepts]: Start accepts. Automaton has 137 states and 248 transitions. Word has length 4 [2022-11-19 06:44:13,452 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 06:44:13,452 INFO L495 AbstractCegarLoop]: Abstraction has 137 states and 248 transitions. [2022-11-19 06:44:13,453 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states 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 06:44:13,453 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 248 transitions. [2022-11-19 06:44:13,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-11-19 06:44:13,454 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 06:44:13,455 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2022-11-19 06:44:13,455 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-19 06:44:13,455 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-11-19 06:44:13,456 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 06:44:13,456 INFO L85 PathProgramCache]: Analyzing trace with hash 324819006, now seen corresponding path program 1 times [2022-11-19 06:44:13,456 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 06:44:13,457 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [180525233] [2022-11-19 06:44:13,457 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 06:44:13,457 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 06:44:13,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 06:44:13,605 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 06:44:13,605 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 06:44:13,606 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [180525233] [2022-11-19 06:44:13,606 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [180525233] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 06:44:13,606 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 06:44:13,606 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-19 06:44:13,607 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1169178816] [2022-11-19 06:44:13,607 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 06:44:13,608 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-19 06:44:13,608 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 06:44:13,609 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-19 06:44:13,609 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 06:44:13,610 INFO L87 Difference]: Start difference. First operand 137 states and 248 transitions. Second operand has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states 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 06:44:13,685 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 06:44:13,685 INFO L93 Difference]: Finished difference Result 195 states and 347 transitions. [2022-11-19 06:44:13,686 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-19 06:44:13,686 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 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 5 [2022-11-19 06:44:13,687 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 06:44:13,689 INFO L225 Difference]: With dead ends: 195 [2022-11-19 06:44:13,690 INFO L226 Difference]: Without dead ends: 175 [2022-11-19 06:44:13,690 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 06:44:13,692 INFO L413 NwaCegarLoop]: 6 mSDtfsCounter, 13 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 48 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 6 SdHoareTripleChecker+Invalid, 53 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 48 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-19 06:44:13,693 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 6 Invalid, 53 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 48 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-19 06:44:13,694 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 175 states. [2022-11-19 06:44:13,703 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 175 to 135. [2022-11-19 06:44:13,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 135 states, 126 states have (on average 1.9047619047619047) internal successors, (240), 134 states have internal predecessors, (240), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 06:44:13,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 135 states and 240 transitions. [2022-11-19 06:44:13,706 INFO L78 Accepts]: Start accepts. Automaton has 135 states and 240 transitions. Word has length 5 [2022-11-19 06:44:13,706 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 06:44:13,706 INFO L495 AbstractCegarLoop]: Abstraction has 135 states and 240 transitions. [2022-11-19 06:44:13,707 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states 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 06:44:13,707 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 240 transitions. [2022-11-19 06:44:13,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-11-19 06:44:13,708 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 06:44:13,708 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2022-11-19 06:44:13,708 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-19 06:44:13,709 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-11-19 06:44:13,709 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 06:44:13,710 INFO L85 PathProgramCache]: Analyzing trace with hash 1480353748, now seen corresponding path program 1 times [2022-11-19 06:44:13,710 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 06:44:13,710 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1333903019] [2022-11-19 06:44:13,710 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 06:44:13,711 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 06:44:13,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 06:44:13,763 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 06:44:13,764 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 06:44:13,764 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1333903019] [2022-11-19 06:44:13,764 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1333903019] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 06:44:13,765 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 06:44:13,765 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-19 06:44:13,765 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2053910276] [2022-11-19 06:44:13,765 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 06:44:13,766 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-19 06:44:13,766 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 06:44:13,767 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-19 06:44:13,767 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 06:44:13,767 INFO L87 Difference]: Start difference. First operand 135 states and 240 transitions. Second operand has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 06:44:13,823 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 06:44:13,824 INFO L93 Difference]: Finished difference Result 134 states and 237 transitions. [2022-11-19 06:44:13,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-19 06:44:13,825 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6 [2022-11-19 06:44:13,825 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 06:44:13,826 INFO L225 Difference]: With dead ends: 134 [2022-11-19 06:44:13,827 INFO L226 Difference]: Without dead ends: 134 [2022-11-19 06:44:13,827 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 06:44:13,829 INFO L413 NwaCegarLoop]: 7 mSDtfsCounter, 8 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 50 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 7 SdHoareTripleChecker+Invalid, 50 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 50 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-19 06:44:13,829 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 7 Invalid, 50 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 50 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-19 06:44:13,831 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 134 states. [2022-11-19 06:44:13,838 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 134 to 134. [2022-11-19 06:44:13,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 134 states, 127 states have (on average 1.8661417322834646) internal successors, (237), 133 states have internal predecessors, (237), 0 states have call successors, (0), 0 states 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 06:44:13,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 134 states and 237 transitions. [2022-11-19 06:44:13,840 INFO L78 Accepts]: Start accepts. Automaton has 134 states and 237 transitions. Word has length 6 [2022-11-19 06:44:13,840 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 06:44:13,841 INFO L495 AbstractCegarLoop]: Abstraction has 134 states and 237 transitions. [2022-11-19 06:44:13,841 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 06:44:13,841 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 237 transitions. [2022-11-19 06:44:13,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-11-19 06:44:13,842 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 06:44:13,842 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2022-11-19 06:44:13,842 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-19 06:44:13,843 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-11-19 06:44:13,843 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 06:44:13,843 INFO L85 PathProgramCache]: Analyzing trace with hash 1480354732, now seen corresponding path program 1 times [2022-11-19 06:44:13,844 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 06:44:13,844 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [449008441] [2022-11-19 06:44:13,844 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 06:44:13,845 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 06:44:13,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 06:44:13,951 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 06:44:13,952 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 06:44:13,952 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [449008441] [2022-11-19 06:44:13,952 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [449008441] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 06:44:13,953 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 06:44:13,953 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-19 06:44:13,953 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [503310082] [2022-11-19 06:44:13,954 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 06:44:13,954 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-19 06:44:13,954 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 06:44:13,955 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-19 06:44:13,955 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 06:44:13,956 INFO L87 Difference]: Start difference. First operand 134 states and 237 transitions. Second operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 06:44:14,001 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 06:44:14,002 INFO L93 Difference]: Finished difference Result 58 states and 81 transitions. [2022-11-19 06:44:14,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-19 06:44:14,008 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6 [2022-11-19 06:44:14,008 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 06:44:14,008 INFO L225 Difference]: With dead ends: 58 [2022-11-19 06:44:14,009 INFO L226 Difference]: Without dead ends: 50 [2022-11-19 06:44:14,009 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 06:44:14,010 INFO L413 NwaCegarLoop]: 7 mSDtfsCounter, 13 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 11 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-19 06:44:14,011 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 11 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-19 06:44:14,012 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states. [2022-11-19 06:44:14,015 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 50. [2022-11-19 06:44:14,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 50 states, 45 states have (on average 1.6222222222222222) internal successors, (73), 49 states have internal predecessors, (73), 0 states have call successors, (0), 0 states 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 06:44:14,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 73 transitions. [2022-11-19 06:44:14,024 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 73 transitions. Word has length 6 [2022-11-19 06:44:14,024 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 06:44:14,025 INFO L495 AbstractCegarLoop]: Abstraction has 50 states and 73 transitions. [2022-11-19 06:44:14,025 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 06:44:14,025 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 73 transitions. [2022-11-19 06:44:14,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-11-19 06:44:14,026 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 06:44:14,026 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 06:44:14,027 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-19 06:44:14,027 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting t_funErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-11-19 06:44:14,028 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 06:44:14,028 INFO L85 PathProgramCache]: Analyzing trace with hash 495177579, now seen corresponding path program 1 times [2022-11-19 06:44:14,028 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 06:44:14,029 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [41187547] [2022-11-19 06:44:14,029 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 06:44:14,029 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 06:44:14,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 06:44:14,091 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 06:44:14,092 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 06:44:14,092 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [41187547] [2022-11-19 06:44:14,093 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [41187547] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 06:44:14,093 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 06:44:14,097 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-19 06:44:14,098 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [304710671] [2022-11-19 06:44:14,098 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 06:44:14,103 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-19 06:44:14,103 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 06:44:14,104 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-19 06:44:14,104 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 06:44:14,105 INFO L87 Difference]: Start difference. First operand 50 states and 73 transitions. Second operand has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 06:44:14,166 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 06:44:14,166 INFO L93 Difference]: Finished difference Result 49 states and 65 transitions. [2022-11-19 06:44:14,167 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-19 06:44:14,167 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9 [2022-11-19 06:44:14,168 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 06:44:14,168 INFO L225 Difference]: With dead ends: 49 [2022-11-19 06:44:14,168 INFO L226 Difference]: Without dead ends: 45 [2022-11-19 06:44:14,168 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 06:44:14,170 INFO L413 NwaCegarLoop]: 3 mSDtfsCounter, 8 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 48 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 3 SdHoareTripleChecker+Invalid, 48 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 48 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-19 06:44:14,171 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 3 Invalid, 48 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 48 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-19 06:44:14,173 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states. [2022-11-19 06:44:14,180 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 45. [2022-11-19 06:44:14,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 45 states, 42 states have (on average 1.4047619047619047) internal successors, (59), 44 states have internal predecessors, (59), 0 states have call successors, (0), 0 states 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 06:44:14,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 59 transitions. [2022-11-19 06:44:14,183 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 59 transitions. Word has length 9 [2022-11-19 06:44:14,183 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 06:44:14,183 INFO L495 AbstractCegarLoop]: Abstraction has 45 states and 59 transitions. [2022-11-19 06:44:14,184 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 06:44:14,184 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 59 transitions. [2022-11-19 06:44:14,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-19 06:44:14,184 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 06:44:14,185 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 06:44:14,185 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-19 06:44:14,185 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-11-19 06:44:14,186 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 06:44:14,187 INFO L85 PathProgramCache]: Analyzing trace with hash -873990188, now seen corresponding path program 1 times [2022-11-19 06:44:14,187 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 06:44:14,187 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2038605311] [2022-11-19 06:44:14,188 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 06:44:14,188 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 06:44:14,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 06:44:14,431 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 06:44:14,431 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 06:44:14,432 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2038605311] [2022-11-19 06:44:14,432 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2038605311] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 06:44:14,432 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 06:44:14,432 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-19 06:44:14,432 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2019087079] [2022-11-19 06:44:14,433 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 06:44:14,433 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-19 06:44:14,433 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 06:44:14,434 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-19 06:44:14,434 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-19 06:44:14,434 INFO L87 Difference]: Start difference. First operand 45 states and 59 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 06:44:14,457 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 06:44:14,457 INFO L93 Difference]: Finished difference Result 9 states and 8 transitions. [2022-11-19 06:44:14,457 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-19 06:44:14,458 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 06:44:14,458 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 06:44:14,458 INFO L225 Difference]: With dead ends: 9 [2022-11-19 06:44:14,458 INFO L226 Difference]: Without dead ends: 0 [2022-11-19 06:44:14,461 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-19 06:44:14,464 INFO L413 NwaCegarLoop]: 1 mSDtfsCounter, 7 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 1 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-19 06:44:14,465 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 1 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-19 06:44:14,465 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-19 06:44:14,466 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-19 06:44:14,466 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 06:44:14,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-19 06:44:14,466 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 11 [2022-11-19 06:44:14,466 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 06:44:14,467 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-19 06:44:14,467 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 06:44:14,467 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-19 06:44:14,467 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-19 06:44:14,470 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (8 of 9 remaining) [2022-11-19 06:44:14,470 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (7 of 9 remaining) [2022-11-19 06:44:14,471 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (6 of 9 remaining) [2022-11-19 06:44:14,471 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (5 of 9 remaining) [2022-11-19 06:44:14,471 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE (4 of 9 remaining) [2022-11-19 06:44:14,471 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr2ASSERT_VIOLATIONDATA_RACE (3 of 9 remaining) [2022-11-19 06:44:14,472 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (2 of 9 remaining) [2022-11-19 06:44:14,472 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE (1 of 9 remaining) [2022-11-19 06:44:14,472 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr2ASSERT_VIOLATIONDATA_RACE (0 of 9 remaining) [2022-11-19 06:44:14,472 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-19 06:44:14,478 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1] [2022-11-19 06:44:14,483 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-11-19 06:44:14,484 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-19 06:44:14,489 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 06:44:14 BasicIcfg [2022-11-19 06:44:14,489 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-19 06:44:14,490 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-19 06:44:14,490 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-19 06:44:14,490 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-19 06:44:14,491 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 06:44:08" (3/4) ... [2022-11-19 06:44:14,494 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-19 06:44:14,501 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure t_fun [2022-11-19 06:44:14,508 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2022-11-19 06:44:14,508 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-11-19 06:44:14,508 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-11-19 06:44:14,509 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-19 06:44:14,550 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d15a5207-a50d-47de-9d5d-4edcc0bb68a3/bin/utaipan-I9t0OCRTmS/witness.graphml [2022-11-19 06:44:14,550 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-19 06:44:14,551 INFO L158 Benchmark]: Toolchain (without parser) took 7181.63ms. Allocated memory was 117.4MB in the beginning and 180.4MB in the end (delta: 62.9MB). Free memory was 71.4MB in the beginning and 138.2MB in the end (delta: -66.8MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-19 06:44:14,552 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 117.4MB. Free memory is still 89.0MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-19 06:44:14,553 INFO L158 Benchmark]: CACSL2BoogieTranslator took 610.04ms. Allocated memory is still 117.4MB. Free memory was 71.1MB in the beginning and 83.2MB in the end (delta: -12.0MB). Peak memory consumption was 6.6MB. Max. memory is 16.1GB. [2022-11-19 06:44:14,553 INFO L158 Benchmark]: Boogie Procedure Inliner took 73.98ms. Allocated memory is still 117.4MB. Free memory was 83.2MB in the beginning and 80.9MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-19 06:44:14,553 INFO L158 Benchmark]: Boogie Preprocessor took 26.98ms. Allocated memory is still 117.4MB. Free memory was 80.9MB in the beginning and 79.8MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-19 06:44:14,554 INFO L158 Benchmark]: RCFGBuilder took 527.73ms. Allocated memory is still 117.4MB. Free memory was 79.8MB in the beginning and 66.0MB in the end (delta: 13.8MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-11-19 06:44:14,554 INFO L158 Benchmark]: TraceAbstraction took 5871.88ms. Allocated memory was 117.4MB in the beginning and 180.4MB in the end (delta: 62.9MB). Free memory was 65.2MB in the beginning and 140.3MB in the end (delta: -75.1MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-19 06:44:14,555 INFO L158 Benchmark]: Witness Printer took 60.66ms. Allocated memory is still 180.4MB. Free memory was 140.3MB in the beginning and 138.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-19 06:44:14,558 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 117.4MB. Free memory is still 89.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 610.04ms. Allocated memory is still 117.4MB. Free memory was 71.1MB in the beginning and 83.2MB in the end (delta: -12.0MB). Peak memory consumption was 6.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 73.98ms. Allocated memory is still 117.4MB. Free memory was 83.2MB in the beginning and 80.9MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 26.98ms. Allocated memory is still 117.4MB. Free memory was 80.9MB in the beginning and 79.8MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 527.73ms. Allocated memory is still 117.4MB. Free memory was 79.8MB in the beginning and 66.0MB in the end (delta: 13.8MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 5871.88ms. Allocated memory was 117.4MB in the beginning and 180.4MB in the end (delta: 62.9MB). Free memory was 65.2MB in the beginning and 140.3MB in the end (delta: -75.1MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 60.66ms. Allocated memory is still 180.4MB. Free memory was 140.3MB in the beginning and 138.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 3.9s, 98 PlacesBefore, 28 PlacesAfterwards, 96 TransitionsBefore, 26 TransitionsAfterwards, 1944 CoEnabledTransitionPairs, 7 FixpointIterations, 30 TrivialSequentialCompositions, 45 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 9 ConcurrentYvCompositions, 0 ChoiceCompositions, 84 TotalNumberOfCompositions, 5449 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 2813, independent: 2548, independent conditional: 0, independent unconditional: 2548, dependent: 265, dependent conditional: 0, dependent unconditional: 265, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1461, independent: 1383, independent conditional: 0, independent unconditional: 1383, dependent: 78, dependent conditional: 0, dependent unconditional: 78, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1461, independent: 1327, independent conditional: 0, independent unconditional: 1327, dependent: 134, dependent conditional: 0, dependent unconditional: 134, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 134, independent: 56, independent conditional: 0, independent unconditional: 56, dependent: 78, dependent conditional: 0, dependent unconditional: 78, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 300, independent: 108, independent conditional: 0, independent unconditional: 108, dependent: 192, dependent conditional: 0, dependent unconditional: 192, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 2813, independent: 1165, independent conditional: 0, independent unconditional: 1165, dependent: 187, dependent conditional: 0, dependent unconditional: 187, unknown: 1461, unknown conditional: 0, unknown unconditional: 1461] , Statistics on independence cache: Total cache size (in pairs): 156, Positive cache size: 129, Positive conditional cache size: 0, Positive unconditional cache size: 129, Negative cache size: 27, Negative conditional cache size: 0, Negative unconditional cache size: 27, 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: 698]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 700]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 686]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 688]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 690]: there are no data races For all program executions holds that there are no data races at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 3 procedures, 124 locations, 9 error locations. Started 1 CEGAR loops. OverallTime: 5.7s, OverallIterations: 6, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 4.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 57 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 57 mSDsluCounter, 35 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 4 mSDsCounter, 12 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 227 IncrementalHoareTripleChecker+Invalid, 239 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 12 mSolverCounterUnsat, 31 mSDtfsCounter, 227 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 16 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=137occurred in iteration=1, InterpolantAutomatonStates: 19, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 6 MinimizatonAttempts, 40 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 41 NumberOfCodeBlocks, 41 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 35 ConstructedInterpolants, 0 QuantifiedInterpolants, 105 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 5 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-11-19 06:44:14,589 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d15a5207-a50d-47de-9d5d-4edcc0bb68a3/bin/utaipan-I9t0OCRTmS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE