./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/goblint-regression/05-lval_ls_12-fldsense_nr.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 53f42b1a Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccee2ef3-90fc-4241-a082-3d51db6eb0f3/bin/utaipan-TEXQjIfE4P/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccee2ef3-90fc-4241-a082-3d51db6eb0f3/bin/utaipan-TEXQjIfE4P/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccee2ef3-90fc-4241-a082-3d51db6eb0f3/bin/utaipan-TEXQjIfE4P/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccee2ef3-90fc-4241-a082-3d51db6eb0f3/bin/utaipan-TEXQjIfE4P/config/TaipanReach.xml -i ../../sv-benchmarks/c/goblint-regression/05-lval_ls_12-fldsense_nr.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccee2ef3-90fc-4241-a082-3d51db6eb0f3/bin/utaipan-TEXQjIfE4P/config/svcomp-DataRace-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccee2ef3-90fc-4241-a082-3d51db6eb0f3/bin/utaipan-TEXQjIfE4P --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 f07f53b70b113c395773370086657e2cda4799340cf7206361c323fc526218bf --- Real Ultimate output --- This is Ultimate 0.2.1-dev-53f42b1 [2021-11-21 00:46:59,941 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-21 00:46:59,944 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-21 00:46:59,997 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-21 00:46:59,997 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-21 00:47:00,002 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-21 00:47:00,004 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-21 00:47:00,007 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-21 00:47:00,010 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-21 00:47:00,015 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-21 00:47:00,017 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-21 00:47:00,018 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-21 00:47:00,019 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-21 00:47:00,021 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-21 00:47:00,023 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-21 00:47:00,028 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-21 00:47:00,029 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-21 00:47:00,031 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-21 00:47:00,036 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-21 00:47:00,044 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-21 00:47:00,046 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-21 00:47:00,047 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-21 00:47:00,050 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-21 00:47:00,051 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-21 00:47:00,060 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-21 00:47:00,060 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-21 00:47:00,061 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-21 00:47:00,063 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-21 00:47:00,063 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-21 00:47:00,065 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-21 00:47:00,065 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-21 00:47:00,067 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-21 00:47:00,069 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-21 00:47:00,070 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-21 00:47:00,071 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-21 00:47:00,072 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-21 00:47:00,073 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-21 00:47:00,073 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-21 00:47:00,073 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-21 00:47:00,074 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-21 00:47:00,075 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-21 00:47:00,076 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccee2ef3-90fc-4241-a082-3d51db6eb0f3/bin/utaipan-TEXQjIfE4P/config/svcomp-DataRace-32bit-Taipan_Default.epf [2021-11-21 00:47:00,120 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-21 00:47:00,120 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-21 00:47:00,121 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-21 00:47:00,121 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-21 00:47:00,128 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-21 00:47:00,128 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-21 00:47:00,129 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-21 00:47:00,129 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-21 00:47:00,129 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-21 00:47:00,129 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-21 00:47:00,131 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-21 00:47:00,131 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-21 00:47:00,131 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-21 00:47:00,131 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-21 00:47:00,132 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-21 00:47:00,132 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-21 00:47:00,132 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-21 00:47:00,133 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-21 00:47:00,133 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-21 00:47:00,134 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-21 00:47:00,134 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-21 00:47:00,134 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-21 00:47:00,134 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-21 00:47:00,135 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-21 00:47:00,135 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-21 00:47:00,135 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-21 00:47:00,137 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-21 00:47:00,137 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2021-11-21 00:47:00,137 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-21 00:47:00,138 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-21 00:47:00,138 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-21 00:47:00,138 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-21 00:47:00,139 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-21 00:47:00,139 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-21 00:47:00,139 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-21 00:47:00,140 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-21 00:47:00,140 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-21 00:47:00,140 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-21 00:47:00,141 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-21 00:47:00,141 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-21 00:47:00,141 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-21 00:47:00,141 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-21 00:47:00,142 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-21 00:47:00,142 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_ccee2ef3-90fc-4241-a082-3d51db6eb0f3/bin/utaipan-TEXQjIfE4P/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccee2ef3-90fc-4241-a082-3d51db6eb0f3/bin/utaipan-TEXQjIfE4P Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f07f53b70b113c395773370086657e2cda4799340cf7206361c323fc526218bf [2021-11-21 00:47:00,461 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-21 00:47:00,494 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-21 00:47:00,497 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-21 00:47:00,498 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-21 00:47:00,499 INFO L275 PluginConnector]: CDTParser initialized [2021-11-21 00:47:00,500 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccee2ef3-90fc-4241-a082-3d51db6eb0f3/bin/utaipan-TEXQjIfE4P/../../sv-benchmarks/c/goblint-regression/05-lval_ls_12-fldsense_nr.i [2021-11-21 00:47:00,574 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccee2ef3-90fc-4241-a082-3d51db6eb0f3/bin/utaipan-TEXQjIfE4P/data/b7a5b97d3/b098d1f3425d4c3d8c1bedbed777f602/FLAG5ac0db592 [2021-11-21 00:47:01,095 INFO L306 CDTParser]: Found 1 translation units. [2021-11-21 00:47:01,096 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccee2ef3-90fc-4241-a082-3d51db6eb0f3/sv-benchmarks/c/goblint-regression/05-lval_ls_12-fldsense_nr.i [2021-11-21 00:47:01,119 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccee2ef3-90fc-4241-a082-3d51db6eb0f3/bin/utaipan-TEXQjIfE4P/data/b7a5b97d3/b098d1f3425d4c3d8c1bedbed777f602/FLAG5ac0db592 [2021-11-21 00:47:01,411 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccee2ef3-90fc-4241-a082-3d51db6eb0f3/bin/utaipan-TEXQjIfE4P/data/b7a5b97d3/b098d1f3425d4c3d8c1bedbed777f602 [2021-11-21 00:47:01,414 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-21 00:47:01,416 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-21 00:47:01,420 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-21 00:47:01,421 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-21 00:47:01,425 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-21 00:47:01,426 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 12:47:01" (1/1) ... [2021-11-21 00:47:01,427 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@686818e6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:47:01, skipping insertion in model container [2021-11-21 00:47:01,427 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 12:47:01" (1/1) ... [2021-11-21 00:47:01,435 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-21 00:47:01,493 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-21 00:47:01,822 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-21 00:47:01,834 INFO L203 MainTranslator]: Completed pre-run [2021-11-21 00:47:01,914 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-21 00:47:01,970 INFO L208 MainTranslator]: Completed translation [2021-11-21 00:47:01,971 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:47:01 WrapperNode [2021-11-21 00:47:01,971 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-21 00:47:01,972 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-21 00:47:01,972 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-21 00:47:01,972 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-21 00:47:01,980 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:47:01" (1/1) ... [2021-11-21 00:47:02,012 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:47:01" (1/1) ... [2021-11-21 00:47:02,051 INFO L137 Inliner]: procedures = 162, calls = 30, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 76 [2021-11-21 00:47:02,052 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-21 00:47:02,054 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-21 00:47:02,054 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-21 00:47:02,055 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-21 00:47:02,063 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:47:01" (1/1) ... [2021-11-21 00:47:02,063 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:47:01" (1/1) ... [2021-11-21 00:47:02,079 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:47:01" (1/1) ... [2021-11-21 00:47:02,079 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:47:01" (1/1) ... [2021-11-21 00:47:02,094 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:47:01" (1/1) ... [2021-11-21 00:47:02,095 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:47:01" (1/1) ... [2021-11-21 00:47:02,107 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:47:01" (1/1) ... [2021-11-21 00:47:02,110 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-21 00:47:02,111 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-21 00:47:02,111 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-21 00:47:02,111 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-21 00:47:02,119 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:47:01" (1/1) ... [2021-11-21 00:47:02,128 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-21 00:47:02,139 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccee2ef3-90fc-4241-a082-3d51db6eb0f3/bin/utaipan-TEXQjIfE4P/z3 [2021-11-21 00:47:02,151 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccee2ef3-90fc-4241-a082-3d51db6eb0f3/bin/utaipan-TEXQjIfE4P/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-21 00:47:02,172 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccee2ef3-90fc-4241-a082-3d51db6eb0f3/bin/utaipan-TEXQjIfE4P/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-21 00:47:02,212 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-21 00:47:02,212 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-21 00:47:02,212 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2021-11-21 00:47:02,212 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-21 00:47:02,213 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-21 00:47:02,213 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2021-11-21 00:47:02,213 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2021-11-21 00:47:02,213 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-21 00:47:02,213 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-21 00:47:02,214 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-21 00:47:02,214 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-21 00:47:02,215 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-11-21 00:47:02,375 INFO L236 CfgBuilder]: Building ICFG [2021-11-21 00:47:02,377 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-21 00:47:02,691 INFO L277 CfgBuilder]: Performing block encoding [2021-11-21 00:47:02,700 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-21 00:47:02,700 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-11-21 00:47:02,702 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 12:47:02 BoogieIcfgContainer [2021-11-21 00:47:02,703 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-21 00:47:02,705 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-21 00:47:02,705 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-21 00:47:02,708 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-21 00:47:02,709 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 12:47:01" (1/3) ... [2021-11-21 00:47:02,710 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@441f8f21 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 12:47:02, skipping insertion in model container [2021-11-21 00:47:02,710 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:47:01" (2/3) ... [2021-11-21 00:47:02,710 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@441f8f21 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 12:47:02, skipping insertion in model container [2021-11-21 00:47:02,710 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 12:47:02" (3/3) ... [2021-11-21 00:47:02,712 INFO L111 eAbstractionObserver]: Analyzing ICFG 05-lval_ls_12-fldsense_nr.i [2021-11-21 00:47:02,717 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-11-21 00:47:02,717 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-21 00:47:02,717 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2021-11-21 00:47:02,718 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-11-21 00:47:02,748 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 00:47:02,749 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 00:47:02,750 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 00:47:02,750 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 00:47:02,750 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 00:47:02,750 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 00:47:02,751 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 00:47:02,751 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 00:47:02,751 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 00:47:02,752 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 00:47:02,752 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 00:47:02,753 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 00:47:02,753 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 00:47:02,753 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 00:47:02,754 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 00:47:02,755 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 00:47:02,755 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 00:47:02,755 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 00:47:02,755 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 00:47:02,755 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 00:47:02,756 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 00:47:02,756 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 00:47:02,756 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 00:47:02,757 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 00:47:02,757 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 00:47:02,757 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 00:47:02,757 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 00:47:02,758 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 00:47:02,758 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 00:47:02,758 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 00:47:02,758 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 00:47:02,759 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 00:47:02,759 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 00:47:02,760 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 00:47:02,761 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 00:47:02,761 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 00:47:02,761 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 00:47:02,762 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 00:47:02,762 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 00:47:02,763 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 00:47:02,763 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 00:47:02,763 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 00:47:02,764 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 00:47:02,764 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 00:47:02,770 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 00:47:02,770 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 00:47:02,770 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 00:47:02,771 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 00:47:02,771 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 00:47:02,771 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 00:47:02,771 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 00:47:02,771 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 00:47:02,776 INFO L148 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-11-21 00:47:02,831 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-21 00:47:02,846 INFO L339 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, mLoopAccelerationTechnique=FAST_UPR [2021-11-21 00:47:02,846 INFO L340 AbstractCegarLoop]: Starting to check reachability of 9 error locations. [2021-11-21 00:47:02,868 INFO L118 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-11-21 00:47:02,883 INFO L133 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 113 places, 109 transitions, 223 flow [2021-11-21 00:47:02,891 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 113 places, 109 transitions, 223 flow [2021-11-21 00:47:02,893 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 113 places, 109 transitions, 223 flow [2021-11-21 00:47:02,974 INFO L129 PetriNetUnfolder]: 0/108 cut-off events. [2021-11-21 00:47:02,974 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-11-21 00:47:02,976 INFO L84 FinitePrefix]: Finished finitePrefix Result has 112 conditions, 108 events. 0/108 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 62 event pairs, 0 based on Foata normal form. 0/102 useless extension candidates. Maximal degree in co-relation 0. Up to 1 conditions per place. [2021-11-21 00:47:02,980 INFO L116 LiptonReduction]: Number of co-enabled transitions 2600 [2021-11-21 00:47:11,781 INFO L131 LiptonReduction]: Checked pairs total: 23727 [2021-11-21 00:47:11,782 INFO L133 LiptonReduction]: Total number of compositions: 104 [2021-11-21 00:47:11,793 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 42 places, 38 transitions, 81 flow [2021-11-21 00:47:11,838 INFO L133 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 340 states, 325 states have (on average 1.9723076923076923) internal successors, (641), 339 states have internal predecessors, (641), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-21 00:47:11,845 INFO L276 IsEmpty]: Start isEmpty. Operand has 340 states, 325 states have (on average 1.9723076923076923) internal successors, (641), 339 states have internal predecessors, (641), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-21 00:47:11,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2021-11-21 00:47:11,850 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 00:47:11,851 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1] [2021-11-21 00:47:11,852 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2021-11-21 00:47:11,857 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 00:47:11,857 INFO L85 PathProgramCache]: Analyzing trace with hash 347143, now seen corresponding path program 1 times [2021-11-21 00:47:11,869 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 00:47:11,871 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2106182586] [2021-11-21 00:47:11,874 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:47:11,875 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 00:47:12,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 00:47:12,107 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 00:47:12,108 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 00:47:12,109 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2106182586] [2021-11-21 00:47:12,110 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2106182586] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 00:47:12,110 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 00:47:12,110 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-11-21 00:47:12,117 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1042889795] [2021-11-21 00:47:12,118 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 00:47:12,122 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-21 00:47:12,123 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 00:47:12,147 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-21 00:47:12,147 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-21 00:47:12,150 INFO L87 Difference]: Start difference. First operand has 340 states, 325 states have (on average 1.9723076923076923) internal successors, (641), 339 states have internal predecessors, (641), 0 states have call successors, (0), 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 3.0) internal successors, (3), 2 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-21 00:47:12,222 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 00:47:12,223 INFO L93 Difference]: Finished difference Result 306 states and 575 transitions. [2021-11-21 00:47:12,224 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-21 00:47:12,226 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 1 states have (on average 3.0) internal successors, (3), 2 states have internal predecessors, (3), 0 states have call successors, (0), 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 3 [2021-11-21 00:47:12,226 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 00:47:12,247 INFO L225 Difference]: With dead ends: 306 [2021-11-21 00:47:12,247 INFO L226 Difference]: Without dead ends: 302 [2021-11-21 00:47:12,249 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-21 00:47:12,253 INFO L933 BasicCegarLoop]: 21 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 21 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-21 00:47:12,255 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 21 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-21 00:47:12,273 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 302 states. [2021-11-21 00:47:12,328 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 302 to 302. [2021-11-21 00:47:12,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 302 states, 294 states have (on average 1.9285714285714286) internal successors, (567), 301 states have internal predecessors, (567), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-21 00:47:12,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 302 states to 302 states and 567 transitions. [2021-11-21 00:47:12,337 INFO L78 Accepts]: Start accepts. Automaton has 302 states and 567 transitions. Word has length 3 [2021-11-21 00:47:12,337 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 00:47:12,337 INFO L470 AbstractCegarLoop]: Abstraction has 302 states and 567 transitions. [2021-11-21 00:47:12,338 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 1 states have (on average 3.0) internal successors, (3), 2 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-21 00:47:12,338 INFO L276 IsEmpty]: Start isEmpty. Operand 302 states and 567 transitions. [2021-11-21 00:47:12,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-21 00:47:12,339 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 00:47:12,339 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 00:47:12,339 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-21 00:47:12,339 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2021-11-21 00:47:12,341 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 00:47:12,342 INFO L85 PathProgramCache]: Analyzing trace with hash 1167857311, now seen corresponding path program 1 times [2021-11-21 00:47:12,342 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 00:47:12,346 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1938417692] [2021-11-21 00:47:12,346 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:47:12,347 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 00:47:12,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 00:47:12,589 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 00:47:12,590 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 00:47:12,590 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1938417692] [2021-11-21 00:47:12,590 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1938417692] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 00:47:12,590 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 00:47:12,591 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-21 00:47:12,591 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1770888936] [2021-11-21 00:47:12,591 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 00:47:12,592 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-21 00:47:12,594 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 00:47:12,595 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-21 00:47:12,595 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-11-21 00:47:12,595 INFO L87 Difference]: Start difference. First operand 302 states and 567 transitions. Second operand has 6 states, 5 states have (on average 1.8) internal successors, (9), 6 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-21 00:47:13,109 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 00:47:13,109 INFO L93 Difference]: Finished difference Result 487 states and 912 transitions. [2021-11-21 00:47:13,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-21 00:47:13,110 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 1.8) internal successors, (9), 6 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9 [2021-11-21 00:47:13,111 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 00:47:13,115 INFO L225 Difference]: With dead ends: 487 [2021-11-21 00:47:13,115 INFO L226 Difference]: Without dead ends: 487 [2021-11-21 00:47:13,116 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-11-21 00:47:13,117 INFO L933 BasicCegarLoop]: 13 mSDtfsCounter, 49 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 289 mSolverCounterSat, 59 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 49 SdHoareTripleChecker+Valid, 13 SdHoareTripleChecker+Invalid, 348 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 59 IncrementalHoareTripleChecker+Valid, 289 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2021-11-21 00:47:13,118 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [49 Valid, 13 Invalid, 348 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [59 Valid, 289 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2021-11-21 00:47:13,120 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 487 states. [2021-11-21 00:47:13,133 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 487 to 361. [2021-11-21 00:47:13,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 361 states, 354 states have (on average 1.9463276836158192) internal successors, (689), 360 states have internal predecessors, (689), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-21 00:47:13,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 361 states to 361 states and 689 transitions. [2021-11-21 00:47:13,141 INFO L78 Accepts]: Start accepts. Automaton has 361 states and 689 transitions. Word has length 9 [2021-11-21 00:47:13,141 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 00:47:13,141 INFO L470 AbstractCegarLoop]: Abstraction has 361 states and 689 transitions. [2021-11-21 00:47:13,141 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 1.8) internal successors, (9), 6 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-21 00:47:13,142 INFO L276 IsEmpty]: Start isEmpty. Operand 361 states and 689 transitions. [2021-11-21 00:47:13,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-21 00:47:13,145 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 00:47:13,145 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 00:47:13,145 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-21 00:47:13,146 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2021-11-21 00:47:13,146 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 00:47:13,146 INFO L85 PathProgramCache]: Analyzing trace with hash -148489725, now seen corresponding path program 1 times [2021-11-21 00:47:13,147 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 00:47:13,147 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2128215560] [2021-11-21 00:47:13,149 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:47:13,149 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 00:47:13,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 00:47:13,295 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 00:47:13,296 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 00:47:13,298 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2128215560] [2021-11-21 00:47:13,299 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2128215560] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 00:47:13,299 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 00:47:13,299 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-21 00:47:13,299 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1584942601] [2021-11-21 00:47:13,300 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 00:47:13,300 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-21 00:47:13,301 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 00:47:13,301 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-21 00:47:13,301 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-11-21 00:47:13,302 INFO L87 Difference]: Start difference. First operand 361 states and 689 transitions. Second operand has 6 states, 5 states have (on average 3.0) internal successors, (15), 6 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-21 00:47:13,691 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 00:47:13,691 INFO L93 Difference]: Finished difference Result 478 states and 901 transitions. [2021-11-21 00:47:13,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-21 00:47:13,692 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 3.0) internal successors, (15), 6 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 15 [2021-11-21 00:47:13,693 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 00:47:13,696 INFO L225 Difference]: With dead ends: 478 [2021-11-21 00:47:13,696 INFO L226 Difference]: Without dead ends: 430 [2021-11-21 00:47:13,696 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-11-21 00:47:13,697 INFO L933 BasicCegarLoop]: 17 mSDtfsCounter, 24 mSDsluCounter, 10 mSDsCounter, 0 mSdLazyCounter, 238 mSolverCounterSat, 36 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 24 SdHoareTripleChecker+Valid, 17 SdHoareTripleChecker+Invalid, 274 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 36 IncrementalHoareTripleChecker+Valid, 238 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2021-11-21 00:47:13,698 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [24 Valid, 17 Invalid, 274 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [36 Valid, 238 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2021-11-21 00:47:13,703 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 430 states. [2021-11-21 00:47:13,717 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 430 to 379. [2021-11-21 00:47:13,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 379 states, 372 states have (on average 1.9301075268817205) internal successors, (718), 378 states have internal predecessors, (718), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-21 00:47:13,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 379 states to 379 states and 718 transitions. [2021-11-21 00:47:13,728 INFO L78 Accepts]: Start accepts. Automaton has 379 states and 718 transitions. Word has length 15 [2021-11-21 00:47:13,729 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 00:47:13,729 INFO L470 AbstractCegarLoop]: Abstraction has 379 states and 718 transitions. [2021-11-21 00:47:13,729 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 3.0) internal successors, (15), 6 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-21 00:47:13,730 INFO L276 IsEmpty]: Start isEmpty. Operand 379 states and 718 transitions. [2021-11-21 00:47:13,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-21 00:47:13,732 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 00:47:13,732 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 00:47:13,732 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-21 00:47:13,735 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2021-11-21 00:47:13,736 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 00:47:13,736 INFO L85 PathProgramCache]: Analyzing trace with hash -547105094, now seen corresponding path program 1 times [2021-11-21 00:47:13,737 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 00:47:13,737 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2016242312] [2021-11-21 00:47:13,737 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:47:13,737 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 00:47:13,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 00:47:13,871 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 00:47:13,872 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 00:47:13,872 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2016242312] [2021-11-21 00:47:13,872 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2016242312] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 00:47:13,872 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 00:47:13,872 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-21 00:47:13,872 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [592027133] [2021-11-21 00:47:13,873 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 00:47:13,873 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-21 00:47:13,873 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 00:47:13,873 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-21 00:47:13,874 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-11-21 00:47:13,874 INFO L87 Difference]: Start difference. First operand 379 states and 718 transitions. Second operand has 6 states, 5 states have (on average 3.0) internal successors, (15), 6 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-21 00:47:14,111 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 00:47:14,112 INFO L93 Difference]: Finished difference Result 488 states and 902 transitions. [2021-11-21 00:47:14,112 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-21 00:47:14,112 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 3.0) internal successors, (15), 6 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 15 [2021-11-21 00:47:14,112 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 00:47:14,116 INFO L225 Difference]: With dead ends: 488 [2021-11-21 00:47:14,116 INFO L226 Difference]: Without dead ends: 456 [2021-11-21 00:47:14,116 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-11-21 00:47:14,117 INFO L933 BasicCegarLoop]: 17 mSDtfsCounter, 36 mSDsluCounter, 12 mSDsCounter, 0 mSdLazyCounter, 190 mSolverCounterSat, 32 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 36 SdHoareTripleChecker+Valid, 17 SdHoareTripleChecker+Invalid, 222 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 190 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-11-21 00:47:14,118 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [36 Valid, 17 Invalid, 222 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [32 Valid, 190 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-11-21 00:47:14,120 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 456 states. [2021-11-21 00:47:14,131 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 456 to 388. [2021-11-21 00:47:14,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 388 states, 381 states have (on average 1.889763779527559) internal successors, (720), 387 states have internal predecessors, (720), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-21 00:47:14,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 388 states to 388 states and 720 transitions. [2021-11-21 00:47:14,135 INFO L78 Accepts]: Start accepts. Automaton has 388 states and 720 transitions. Word has length 15 [2021-11-21 00:47:14,135 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 00:47:14,135 INFO L470 AbstractCegarLoop]: Abstraction has 388 states and 720 transitions. [2021-11-21 00:47:14,136 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 3.0) internal successors, (15), 6 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-21 00:47:14,136 INFO L276 IsEmpty]: Start isEmpty. Operand 388 states and 720 transitions. [2021-11-21 00:47:14,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 00:47:14,143 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 00:47:14,143 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 00:47:14,144 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-21 00:47:14,145 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2021-11-21 00:47:14,146 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 00:47:14,147 INFO L85 PathProgramCache]: Analyzing trace with hash 1611655283, now seen corresponding path program 1 times [2021-11-21 00:47:14,147 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 00:47:14,147 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1264345860] [2021-11-21 00:47:14,147 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:47:14,148 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 00:47:14,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 00:47:14,200 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 00:47:14,200 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 00:47:14,201 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1264345860] [2021-11-21 00:47:14,201 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1264345860] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 00:47:14,201 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 00:47:14,201 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-21 00:47:14,201 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1748547458] [2021-11-21 00:47:14,202 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 00:47:14,202 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-21 00:47:14,202 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 00:47:14,202 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-21 00:47:14,203 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-21 00:47:14,203 INFO L87 Difference]: Start difference. First operand 388 states and 720 transitions. Second operand has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-21 00:47:14,215 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 00:47:14,215 INFO L93 Difference]: Finished difference Result 27 states and 26 transitions. [2021-11-21 00:47:14,215 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-21 00:47:14,216 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 18 [2021-11-21 00:47:14,216 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 00:47:14,216 INFO L225 Difference]: With dead ends: 27 [2021-11-21 00:47:14,216 INFO L226 Difference]: Without dead ends: 0 [2021-11-21 00:47:14,216 INFO L932 BasicCegarLoop]: 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 [2021-11-21 00:47:14,218 INFO L933 BasicCegarLoop]: 17 mSDtfsCounter, 21 mSDsluCounter, 1 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 17 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-21 00:47:14,220 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [21 Valid, 17 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-21 00:47:14,221 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-11-21 00:47:14,222 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-11-21 00:47:14,222 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) [2021-11-21 00:47:14,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-11-21 00:47:14,222 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 18 [2021-11-21 00:47:14,222 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 00:47:14,223 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-21 00:47:14,223 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-21 00:47:14,223 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-11-21 00:47:14,223 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-11-21 00:47:14,226 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (8 of 9 remaining) [2021-11-21 00:47:14,227 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (7 of 9 remaining) [2021-11-21 00:47:14,227 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (6 of 9 remaining) [2021-11-21 00:47:14,229 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (5 of 9 remaining) [2021-11-21 00:47:14,229 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATION (4 of 9 remaining) [2021-11-21 00:47:14,229 INFO L764 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (3 of 9 remaining) [2021-11-21 00:47:14,230 INFO L764 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE (2 of 9 remaining) [2021-11-21 00:47:14,230 INFO L764 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (1 of 9 remaining) [2021-11-21 00:47:14,230 INFO L764 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE (0 of 9 remaining) [2021-11-21 00:47:14,231 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-11-21 00:47:14,233 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2021-11-21 00:47:14,237 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-11-21 00:47:14,237 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-21 00:47:14,242 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.11 12:47:14 BasicIcfg [2021-11-21 00:47:14,243 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-21 00:47:14,245 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-21 00:47:14,245 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-21 00:47:14,245 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-21 00:47:14,246 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 12:47:02" (3/4) ... [2021-11-21 00:47:14,249 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-11-21 00:47:14,254 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure t_fun [2021-11-21 00:47:14,262 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2021-11-21 00:47:14,262 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2021-11-21 00:47:14,263 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-11-21 00:47:14,299 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccee2ef3-90fc-4241-a082-3d51db6eb0f3/bin/utaipan-TEXQjIfE4P/witness.graphml [2021-11-21 00:47:14,299 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-21 00:47:14,300 INFO L158 Benchmark]: Toolchain (without parser) took 12883.81ms. Allocated memory was 109.1MB in the beginning and 146.8MB in the end (delta: 37.7MB). Free memory was 68.8MB in the beginning and 58.4MB in the end (delta: 10.4MB). Peak memory consumption was 47.6MB. Max. memory is 16.1GB. [2021-11-21 00:47:14,300 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 109.1MB. Free memory was 86.2MB in the beginning and 86.2MB in the end (delta: 69.4kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-21 00:47:14,301 INFO L158 Benchmark]: CACSL2BoogieTranslator took 550.69ms. Allocated memory is still 109.1MB. Free memory was 68.6MB in the beginning and 73.2MB in the end (delta: -4.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-21 00:47:14,301 INFO L158 Benchmark]: Boogie Procedure Inliner took 79.87ms. Allocated memory is still 109.1MB. Free memory was 73.2MB in the beginning and 70.8MB in the end (delta: 2.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-21 00:47:14,301 INFO L158 Benchmark]: Boogie Preprocessor took 56.18ms. Allocated memory is still 109.1MB. Free memory was 70.8MB in the beginning and 69.2MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-21 00:47:14,302 INFO L158 Benchmark]: RCFGBuilder took 591.79ms. Allocated memory is still 109.1MB. Free memory was 69.0MB in the beginning and 54.9MB in the end (delta: 14.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2021-11-21 00:47:14,302 INFO L158 Benchmark]: TraceAbstraction took 11538.17ms. Allocated memory was 109.1MB in the beginning and 146.8MB in the end (delta: 37.7MB). Free memory was 54.4MB in the beginning and 61.6MB in the end (delta: -7.2MB). Peak memory consumption was 32.6MB. Max. memory is 16.1GB. [2021-11-21 00:47:14,303 INFO L158 Benchmark]: Witness Printer took 54.90ms. Allocated memory is still 146.8MB. Free memory was 61.6MB in the beginning and 58.4MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-21 00:47:14,305 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26ms. Allocated memory is still 109.1MB. Free memory was 86.2MB in the beginning and 86.2MB in the end (delta: 69.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 550.69ms. Allocated memory is still 109.1MB. Free memory was 68.6MB in the beginning and 73.2MB in the end (delta: -4.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 79.87ms. Allocated memory is still 109.1MB. Free memory was 73.2MB in the beginning and 70.8MB in the end (delta: 2.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 56.18ms. Allocated memory is still 109.1MB. Free memory was 70.8MB in the beginning and 69.2MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 591.79ms. Allocated memory is still 109.1MB. Free memory was 69.0MB in the beginning and 54.9MB in the end (delta: 14.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 11538.17ms. Allocated memory was 109.1MB in the beginning and 146.8MB in the end (delta: 37.7MB). Free memory was 54.4MB in the beginning and 61.6MB in the end (delta: -7.2MB). Peak memory consumption was 32.6MB. Max. memory is 16.1GB. * Witness Printer took 54.90ms. Allocated memory is still 146.8MB. Free memory was 61.6MB in the beginning and 58.4MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 8.9s, 113 PlacesBefore, 42 PlacesAfterwards, 109 TransitionsBefore, 38 TransitionsAfterwards, 2600 CoEnabledTransitionPairs, 18 FixpointIterations, 29 TrivialSequentialCompositions, 75 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 104 TotalNumberOfCompositions, 23727 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 8708, positive: 7550, positive conditional: 0, positive unconditional: 7550, negative: 1158, negative conditional: 0, negative unconditional: 1158, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2077, positive: 1971, positive conditional: 0, positive unconditional: 1971, negative: 106, negative conditional: 0, negative unconditional: 106, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 2077, positive: 1396, positive conditional: 0, positive unconditional: 1396, negative: 681, negative conditional: 0, negative unconditional: 681, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 681, positive: 575, positive conditional: 0, positive unconditional: 575, negative: 104, negative conditional: 0, negative unconditional: 104, unknown: 2, unknown conditional: 0, unknown unconditional: 2] , SemanticIndependenceRelation.Query Time [ms]: [ total: 5068, positive: 840, positive conditional: 0, positive unconditional: 840, negative: 205, negative conditional: 0, negative unconditional: 205, unknown: 4023, unknown conditional: 0, unknown unconditional: 4023] ], Cache Queries: [ total: 8708, positive: 5579, positive conditional: 0, positive unconditional: 5579, negative: 1052, negative conditional: 0, negative unconditional: 1052, unknown: 2077, unknown conditional: 0, unknown unconditional: 2077] , Statistics on independence cache: Total cache size (in pairs): 317, Positive cache size: 264, Positive conditional cache size: 0, Positive unconditional cache size: 264, Negative cache size: 53, Negative conditional cache size: 0, Negative unconditional cache size: 53 - 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: 693]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 693]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 696]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 696]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 683]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 683]: 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, 137 locations, 9 error locations. Started 1 CEGAR loops. OverallTime: 11.4s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 9.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 130 SdHoareTripleChecker+Valid, 1.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 130 mSDsluCounter, 85 SdHoareTripleChecker+Invalid, 0.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 43 mSDsCounter, 129 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 742 IncrementalHoareTripleChecker+Invalid, 871 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 129 mSolverCounterUnsat, 85 mSDtfsCounter, 742 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 19 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=388occurred in iteration=4, InterpolantAutomatonStates: 23, 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, 5 MinimizatonAttempts, 245 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 60 NumberOfCodeBlocks, 60 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 55 ConstructedInterpolants, 0 QuantifiedInterpolants, 400 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 6 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2021-11-21 00:47:14,363 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccee2ef3-90fc-4241-a082-3d51db6eb0f3/bin/utaipan-TEXQjIfE4P/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