./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/goblint-regression/03-practical_15-exit_problems.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version aef121e0 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3d392b6-a5a1-425f-a07d-7eb75cd3bb18/bin/utaipan-EQgc7hIp5V/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3d392b6-a5a1-425f-a07d-7eb75cd3bb18/bin/utaipan-EQgc7hIp5V/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3d392b6-a5a1-425f-a07d-7eb75cd3bb18/bin/utaipan-EQgc7hIp5V/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3d392b6-a5a1-425f-a07d-7eb75cd3bb18/bin/utaipan-EQgc7hIp5V/config/TaipanReach.xml -i ../../sv-benchmarks/c/goblint-regression/03-practical_15-exit_problems.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3d392b6-a5a1-425f-a07d-7eb75cd3bb18/bin/utaipan-EQgc7hIp5V/config/svcomp-DataRace-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3d392b6-a5a1-425f-a07d-7eb75cd3bb18/bin/utaipan-EQgc7hIp5V --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 6d40f5324e9f741708351e6e516a0eeed6b2146f21cbab903e28bb6f6f31acc5 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 03:38:41,523 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 03:38:41,525 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 03:38:41,560 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 03:38:41,561 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 03:38:41,565 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 03:38:41,568 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 03:38:41,573 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 03:38:41,576 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 03:38:41,582 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 03:38:41,584 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 03:38:41,586 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 03:38:41,587 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 03:38:41,590 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 03:38:41,592 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 03:38:41,595 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 03:38:41,597 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 03:38:41,598 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 03:38:41,603 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 03:38:41,612 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 03:38:41,614 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 03:38:41,616 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 03:38:41,619 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 03:38:41,621 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 03:38:41,631 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 03:38:41,631 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 03:38:41,632 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 03:38:41,634 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 03:38:41,635 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 03:38:41,637 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 03:38:41,637 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 03:38:41,639 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 03:38:41,641 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 03:38:41,642 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 03:38:41,644 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 03:38:41,645 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 03:38:41,646 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 03:38:41,646 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 03:38:41,646 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 03:38:41,648 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 03:38:41,649 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 03:38:41,650 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3d392b6-a5a1-425f-a07d-7eb75cd3bb18/bin/utaipan-EQgc7hIp5V/config/svcomp-DataRace-32bit-Taipan_Default.epf [2021-11-23 03:38:41,704 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 03:38:41,705 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 03:38:41,706 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-23 03:38:41,706 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-23 03:38:41,707 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 03:38:41,707 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-23 03:38:41,707 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-23 03:38:41,708 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-23 03:38:41,708 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-23 03:38:41,708 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-23 03:38:41,709 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-23 03:38:41,710 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-23 03:38:41,710 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-23 03:38:41,710 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-23 03:38:41,711 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-23 03:38:41,711 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-23 03:38:41,711 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-23 03:38:41,711 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-23 03:38:41,713 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 03:38:41,713 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 03:38:41,713 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-23 03:38:41,714 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 03:38:41,714 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 03:38:41,714 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 03:38:41,714 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 03:38:41,715 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 03:38:41,716 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 03:38:41,716 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2021-11-23 03:38:41,717 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 03:38:41,717 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 03:38:41,717 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 03:38:41,718 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 03:38:41,718 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 03:38:41,718 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-23 03:38:41,718 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 03:38:41,719 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 03:38:41,719 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 03:38:41,719 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 03:38:41,719 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-23 03:38:41,720 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 03:38:41,720 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 03:38:41,720 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-23 03:38:41,720 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 03:38:41,721 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_a3d392b6-a5a1-425f-a07d-7eb75cd3bb18/bin/utaipan-EQgc7hIp5V/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3d392b6-a5a1-425f-a07d-7eb75cd3bb18/bin/utaipan-EQgc7hIp5V Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6d40f5324e9f741708351e6e516a0eeed6b2146f21cbab903e28bb6f6f31acc5 [2021-11-23 03:38:42,054 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 03:38:42,080 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 03:38:42,084 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 03:38:42,085 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 03:38:42,086 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 03:38:42,088 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3d392b6-a5a1-425f-a07d-7eb75cd3bb18/bin/utaipan-EQgc7hIp5V/../../sv-benchmarks/c/goblint-regression/03-practical_15-exit_problems.i [2021-11-23 03:38:42,168 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3d392b6-a5a1-425f-a07d-7eb75cd3bb18/bin/utaipan-EQgc7hIp5V/data/45cda51cc/d4e5606f9e354eae87dc4f85d12aa845/FLAGb0a01c0e1 [2021-11-23 03:38:42,863 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 03:38:42,864 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3d392b6-a5a1-425f-a07d-7eb75cd3bb18/sv-benchmarks/c/goblint-regression/03-practical_15-exit_problems.i [2021-11-23 03:38:42,894 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3d392b6-a5a1-425f-a07d-7eb75cd3bb18/bin/utaipan-EQgc7hIp5V/data/45cda51cc/d4e5606f9e354eae87dc4f85d12aa845/FLAGb0a01c0e1 [2021-11-23 03:38:43,084 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3d392b6-a5a1-425f-a07d-7eb75cd3bb18/bin/utaipan-EQgc7hIp5V/data/45cda51cc/d4e5606f9e354eae87dc4f85d12aa845 [2021-11-23 03:38:43,087 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 03:38:43,090 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 03:38:43,095 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 03:38:43,096 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 03:38:43,108 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 03:38:43,110 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:38:43" (1/1) ... [2021-11-23 03:38:43,111 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@19b340f5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:38:43, skipping insertion in model container [2021-11-23 03:38:43,111 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:38:43" (1/1) ... [2021-11-23 03:38:43,121 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 03:38:43,181 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 03:38:43,804 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 03:38:43,823 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 03:38:43,887 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 03:38:43,987 INFO L208 MainTranslator]: Completed translation [2021-11-23 03:38:43,988 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:38:43 WrapperNode [2021-11-23 03:38:43,988 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 03:38:43,989 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 03:38:43,989 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 03:38:43,990 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 03:38:43,997 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:38:43" (1/1) ... [2021-11-23 03:38:44,028 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:38:43" (1/1) ... [2021-11-23 03:38:44,066 INFO L137 Inliner]: procedures = 264, calls = 22, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 57 [2021-11-23 03:38:44,067 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 03:38:44,068 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 03:38:44,068 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 03:38:44,068 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 03:38:44,077 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:38:43" (1/1) ... [2021-11-23 03:38:44,078 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:38:43" (1/1) ... [2021-11-23 03:38:44,093 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:38:43" (1/1) ... [2021-11-23 03:38:44,094 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:38:43" (1/1) ... [2021-11-23 03:38:44,104 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:38:43" (1/1) ... [2021-11-23 03:38:44,114 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:38:43" (1/1) ... [2021-11-23 03:38:44,116 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:38:43" (1/1) ... [2021-11-23 03:38:44,121 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 03:38:44,131 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 03:38:44,131 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 03:38:44,131 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 03:38:44,132 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:38:43" (1/1) ... [2021-11-23 03:38:44,143 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 03:38:44,156 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3d392b6-a5a1-425f-a07d-7eb75cd3bb18/bin/utaipan-EQgc7hIp5V/z3 [2021-11-23 03:38:44,174 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3d392b6-a5a1-425f-a07d-7eb75cd3bb18/bin/utaipan-EQgc7hIp5V/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-23 03:38:44,192 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3d392b6-a5a1-425f-a07d-7eb75cd3bb18/bin/utaipan-EQgc7hIp5V/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-23 03:38:44,231 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 03:38:44,231 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 03:38:44,231 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-23 03:38:44,231 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2021-11-23 03:38:44,232 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 03:38:44,232 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2021-11-23 03:38:44,232 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2021-11-23 03:38:44,232 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 03:38:44,232 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 03:38:44,233 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 03:38:44,234 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-11-23 03:38:44,411 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 03:38:44,413 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 03:38:44,682 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 03:38:44,691 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 03:38:44,694 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-11-23 03:38:44,697 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:38:44 BoogieIcfgContainer [2021-11-23 03:38:44,697 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 03:38:44,708 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-23 03:38:44,708 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-23 03:38:44,713 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-23 03:38:44,713 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 03:38:43" (1/3) ... [2021-11-23 03:38:44,714 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@43b719b6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 03:38:44, skipping insertion in model container [2021-11-23 03:38:44,715 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:38:43" (2/3) ... [2021-11-23 03:38:44,715 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@43b719b6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 03:38:44, skipping insertion in model container [2021-11-23 03:38:44,715 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:38:44" (3/3) ... [2021-11-23 03:38:44,719 INFO L111 eAbstractionObserver]: Analyzing ICFG 03-practical_15-exit_problems.i [2021-11-23 03:38:44,733 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-11-23 03:38:44,733 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-23 03:38:44,733 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 5 error locations. [2021-11-23 03:38:44,733 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-11-23 03:38:44,778 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:38:44,779 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:38:44,779 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:38:44,779 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:38:44,780 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:38:44,780 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:38:44,780 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:38:44,780 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:38:44,781 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:38:44,781 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:38:44,783 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:38:44,783 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:38:44,790 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:38:44,791 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:38:44,792 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:38:44,792 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:38:44,793 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:38:44,793 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:38:44,794 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:38:44,794 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:38:44,794 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:38:44,795 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:38:44,795 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:38:44,796 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:38:44,796 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:38:44,796 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:38:44,797 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:38:44,797 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:38:44,798 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:38:44,798 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:38:44,798 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:38:44,798 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:38:44,807 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:38:44,808 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:38:44,808 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:38:44,808 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:38:44,809 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:38:44,809 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:38:44,809 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:38:44,813 INFO L148 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-11-23 03:38:44,885 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-23 03:38:44,902 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 [2021-11-23 03:38:44,902 INFO L340 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2021-11-23 03:38:44,922 INFO L118 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-11-23 03:38:44,938 INFO L133 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 85 places, 83 transitions, 171 flow [2021-11-23 03:38:44,942 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 85 places, 83 transitions, 171 flow [2021-11-23 03:38:44,944 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 85 places, 83 transitions, 171 flow [2021-11-23 03:38:45,017 INFO L129 PetriNetUnfolder]: 2/82 cut-off events. [2021-11-23 03:38:45,018 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-11-23 03:38:45,021 INFO L84 FinitePrefix]: Finished finitePrefix Result has 86 conditions, 82 events. 2/82 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 101 event pairs, 0 based on Foata normal form. 0/75 useless extension candidates. Maximal degree in co-relation 54. Up to 2 conditions per place. [2021-11-23 03:38:45,027 INFO L116 LiptonReduction]: Number of co-enabled transitions 1258 [2021-11-23 03:38:47,526 INFO L131 LiptonReduction]: Checked pairs total: 4243 [2021-11-23 03:38:47,526 INFO L133 LiptonReduction]: Total number of compositions: 67 [2021-11-23 03:38:47,535 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 27 places, 24 transitions, 53 flow [2021-11-23 03:38:47,552 INFO L133 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 120 states, 109 states have (on average 2.073394495412844) internal successors, (226), 119 states have internal predecessors, (226), 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) [2021-11-23 03:38:47,555 INFO L276 IsEmpty]: Start isEmpty. Operand has 120 states, 109 states have (on average 2.073394495412844) internal successors, (226), 119 states have internal predecessors, (226), 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) [2021-11-23 03:38:47,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-11-23 03:38:47,560 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 03:38:47,561 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2021-11-23 03:38:47,562 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2021-11-23 03:38:47,567 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 03:38:47,568 INFO L85 PathProgramCache]: Analyzing trace with hash 8833165, now seen corresponding path program 1 times [2021-11-23 03:38:47,578 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 03:38:47,579 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [757725921] [2021-11-23 03:38:47,579 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:38:47,580 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 03:38:47,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 03:38:47,759 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 03:38:47,760 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 03:38:47,760 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [757725921] [2021-11-23 03:38:47,761 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [757725921] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 03:38:47,761 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 03:38:47,762 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-23 03:38:47,763 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2146937912] [2021-11-23 03:38:47,764 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 03:38:47,768 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-23 03:38:47,769 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 03:38:47,792 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 03:38:47,792 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 03:38:47,795 INFO L87 Difference]: Start difference. First operand has 120 states, 109 states have (on average 2.073394495412844) internal successors, (226), 119 states have internal predecessors, (226), 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) [2021-11-23 03:38:47,856 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 03:38:47,856 INFO L93 Difference]: Finished difference Result 113 states and 196 transitions. [2021-11-23 03:38:47,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 03:38:47,859 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 [2021-11-23 03:38:47,860 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 03:38:47,871 INFO L225 Difference]: With dead ends: 113 [2021-11-23 03:38:47,872 INFO L226 Difference]: Without dead ends: 113 [2021-11-23 03:38:47,873 INFO L932 BasicCegarLoop]: 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 [2021-11-23 03:38:47,877 INFO L933 BasicCegarLoop]: 8 mSDtfsCounter, 12 mSDsluCounter, 9 mSDsCounter, 0 mSdLazyCounter, 33 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 11 SdHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 33 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-23 03:38:47,878 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [12 Valid, 11 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 33 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-23 03:38:47,900 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 113 states. [2021-11-23 03:38:47,927 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 113 to 95. [2021-11-23 03:38:47,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 95 states, 90 states have (on average 1.8444444444444446) internal successors, (166), 94 states have internal predecessors, (166), 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) [2021-11-23 03:38:47,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 166 transitions. [2021-11-23 03:38:47,933 INFO L78 Accepts]: Start accepts. Automaton has 95 states and 166 transitions. Word has length 4 [2021-11-23 03:38:47,933 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 03:38:47,934 INFO L470 AbstractCegarLoop]: Abstraction has 95 states and 166 transitions. [2021-11-23 03:38:47,934 INFO L471 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) [2021-11-23 03:38:47,934 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 166 transitions. [2021-11-23 03:38:47,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-23 03:38:47,935 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 03:38:47,935 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 03:38:47,936 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-23 03:38:47,936 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2021-11-23 03:38:47,937 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 03:38:47,937 INFO L85 PathProgramCache]: Analyzing trace with hash 1477044568, now seen corresponding path program 1 times [2021-11-23 03:38:47,938 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 03:38:47,938 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1238571877] [2021-11-23 03:38:47,938 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:38:47,938 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 03:38:47,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 03:38:48,000 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 03:38:48,001 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 03:38:48,001 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1238571877] [2021-11-23 03:38:48,002 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1238571877] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 03:38:48,002 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 03:38:48,002 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-23 03:38:48,002 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1331927633] [2021-11-23 03:38:48,003 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 03:38:48,004 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-23 03:38:48,004 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 03:38:48,005 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 03:38:48,005 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 03:38:48,005 INFO L87 Difference]: Start difference. First operand 95 states and 166 transitions. Second operand has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 03:38:48,044 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 03:38:48,044 INFO L93 Difference]: Finished difference Result 101 states and 176 transitions. [2021-11-23 03:38:48,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 03:38:48,045 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2021-11-23 03:38:48,045 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 03:38:48,047 INFO L225 Difference]: With dead ends: 101 [2021-11-23 03:38:48,047 INFO L226 Difference]: Without dead ends: 101 [2021-11-23 03:38:48,047 INFO L932 BasicCegarLoop]: 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 [2021-11-23 03:38:48,049 INFO L933 BasicCegarLoop]: 11 mSDtfsCounter, 8 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 14 SdHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 34 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-23 03:38:48,050 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8 Valid, 14 Invalid, 35 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 34 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-23 03:38:48,051 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 101 states. [2021-11-23 03:38:48,059 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 101 to 95. [2021-11-23 03:38:48,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 95 states, 91 states have (on average 1.8131868131868132) internal successors, (165), 94 states have internal predecessors, (165), 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) [2021-11-23 03:38:48,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 165 transitions. [2021-11-23 03:38:48,062 INFO L78 Accepts]: Start accepts. Automaton has 95 states and 165 transitions. Word has length 8 [2021-11-23 03:38:48,063 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 03:38:48,063 INFO L470 AbstractCegarLoop]: Abstraction has 95 states and 165 transitions. [2021-11-23 03:38:48,063 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 03:38:48,064 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 165 transitions. [2021-11-23 03:38:48,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-23 03:38:48,065 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 03:38:48,065 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 03:38:48,065 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-23 03:38:48,066 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2021-11-23 03:38:48,066 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 03:38:48,066 INFO L85 PathProgramCache]: Analyzing trace with hash 836317391, now seen corresponding path program 1 times [2021-11-23 03:38:48,067 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 03:38:48,067 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1512970060] [2021-11-23 03:38:48,067 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:38:48,068 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 03:38:48,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 03:38:48,144 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 03:38:48,145 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 03:38:48,145 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1512970060] [2021-11-23 03:38:48,145 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1512970060] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 03:38:48,145 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 03:38:48,145 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-23 03:38:48,145 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [682502365] [2021-11-23 03:38:48,146 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 03:38:48,146 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-23 03:38:48,146 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 03:38:48,146 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 03:38:48,146 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 03:38:48,147 INFO L87 Difference]: Start difference. First operand 95 states and 165 transitions. Second operand has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 03:38:48,189 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 03:38:48,189 INFO L93 Difference]: Finished difference Result 95 states and 159 transitions. [2021-11-23 03:38:48,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 03:38:48,190 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 10 [2021-11-23 03:38:48,190 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 03:38:48,191 INFO L225 Difference]: With dead ends: 95 [2021-11-23 03:38:48,191 INFO L226 Difference]: Without dead ends: 79 [2021-11-23 03:38:48,192 INFO L932 BasicCegarLoop]: 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 [2021-11-23 03:38:48,193 INFO L933 BasicCegarLoop]: 11 mSDtfsCounter, 7 mSDsluCounter, 8 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 14 SdHoareTripleChecker+Invalid, 34 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 34 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-23 03:38:48,194 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7 Valid, 14 Invalid, 34 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 34 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-23 03:38:48,195 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79 states. [2021-11-23 03:38:48,200 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79 to 79. [2021-11-23 03:38:48,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 79 states, 75 states have (on average 1.6533333333333333) internal successors, (124), 78 states have internal predecessors, (124), 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) [2021-11-23 03:38:48,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 79 states and 124 transitions. [2021-11-23 03:38:48,202 INFO L78 Accepts]: Start accepts. Automaton has 79 states and 124 transitions. Word has length 10 [2021-11-23 03:38:48,202 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 03:38:48,202 INFO L470 AbstractCegarLoop]: Abstraction has 79 states and 124 transitions. [2021-11-23 03:38:48,203 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 03:38:48,203 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 124 transitions. [2021-11-23 03:38:48,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-23 03:38:48,204 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 03:38:48,204 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 03:38:48,204 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-23 03:38:48,204 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2021-11-23 03:38:48,205 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 03:38:48,205 INFO L85 PathProgramCache]: Analyzing trace with hash 610629805, now seen corresponding path program 1 times [2021-11-23 03:38:48,205 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 03:38:48,206 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1031721394] [2021-11-23 03:38:48,206 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:38:48,206 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 03:38:48,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 03:38:48,251 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-23 03:38:48,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 03:38:48,323 INFO L133 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2021-11-23 03:38:48,323 INFO L628 BasicCegarLoop]: Counterexample is feasible [2021-11-23 03:38:48,329 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (7 of 8 remaining) [2021-11-23 03:38:48,334 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (6 of 8 remaining) [2021-11-23 03:38:48,334 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (5 of 8 remaining) [2021-11-23 03:38:48,338 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATION (4 of 8 remaining) [2021-11-23 03:38:48,340 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONDATA_RACE (3 of 8 remaining) [2021-11-23 03:38:48,340 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr1ASSERT_VIOLATIONDATA_RACE (2 of 8 remaining) [2021-11-23 03:38:48,340 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONDATA_RACE (1 of 8 remaining) [2021-11-23 03:38:48,344 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr1ASSERT_VIOLATIONDATA_RACE (0 of 8 remaining) [2021-11-23 03:38:48,344 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-23 03:38:48,346 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2021-11-23 03:38:48,351 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-11-23 03:38:48,351 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-23 03:38:48,382 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 03:38:48 BasicIcfg [2021-11-23 03:38:48,383 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-23 03:38:48,383 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-23 03:38:48,383 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-23 03:38:48,384 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-23 03:38:48,384 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:38:44" (3/4) ... [2021-11-23 03:38:48,387 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-11-23 03:38:48,387 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-23 03:38:48,388 INFO L158 Benchmark]: Toolchain (without parser) took 5297.52ms. Allocated memory was 107.0MB in the beginning and 153.1MB in the end (delta: 46.1MB). Free memory was 72.6MB in the beginning and 101.2MB in the end (delta: -28.6MB). Peak memory consumption was 17.5MB. Max. memory is 16.1GB. [2021-11-23 03:38:48,389 INFO L158 Benchmark]: CDTParser took 0.42ms. Allocated memory is still 107.0MB. Free memory was 60.0MB in the beginning and 59.9MB in the end (delta: 97.3kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 03:38:48,389 INFO L158 Benchmark]: CACSL2BoogieTranslator took 893.05ms. Allocated memory is still 107.0MB. Free memory was 72.4MB in the beginning and 64.8MB in the end (delta: 7.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-23 03:38:48,389 INFO L158 Benchmark]: Boogie Procedure Inliner took 78.07ms. Allocated memory is still 107.0MB. Free memory was 64.8MB in the beginning and 62.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 03:38:48,390 INFO L158 Benchmark]: Boogie Preprocessor took 61.99ms. Allocated memory is still 107.0MB. Free memory was 62.8MB in the beginning and 61.4MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 03:38:48,390 INFO L158 Benchmark]: RCFGBuilder took 567.04ms. Allocated memory was 107.0MB in the beginning and 153.1MB in the end (delta: 46.1MB). Free memory was 61.1MB in the beginning and 127.1MB in the end (delta: -66.1MB). Peak memory consumption was 15.0MB. Max. memory is 16.1GB. [2021-11-23 03:38:48,391 INFO L158 Benchmark]: TraceAbstraction took 3674.93ms. Allocated memory is still 153.1MB. Free memory was 127.2MB in the beginning and 101.2MB in the end (delta: 26.0MB). Peak memory consumption was 25.1MB. Max. memory is 16.1GB. [2021-11-23 03:38:48,391 INFO L158 Benchmark]: Witness Printer took 3.88ms. Allocated memory is still 153.1MB. Free memory is still 101.2MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 03:38:48,394 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.42ms. Allocated memory is still 107.0MB. Free memory was 60.0MB in the beginning and 59.9MB in the end (delta: 97.3kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 893.05ms. Allocated memory is still 107.0MB. Free memory was 72.4MB in the beginning and 64.8MB in the end (delta: 7.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 78.07ms. Allocated memory is still 107.0MB. Free memory was 64.8MB in the beginning and 62.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 61.99ms. Allocated memory is still 107.0MB. Free memory was 62.8MB in the beginning and 61.4MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 567.04ms. Allocated memory was 107.0MB in the beginning and 153.1MB in the end (delta: 46.1MB). Free memory was 61.1MB in the beginning and 127.1MB in the end (delta: -66.1MB). Peak memory consumption was 15.0MB. Max. memory is 16.1GB. * TraceAbstraction took 3674.93ms. Allocated memory is still 153.1MB. Free memory was 127.2MB in the beginning and 101.2MB in the end (delta: 26.0MB). Peak memory consumption was 25.1MB. Max. memory is 16.1GB. * Witness Printer took 3.88ms. Allocated memory is still 153.1MB. Free memory is still 101.2MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2.6s, 85 PlacesBefore, 27 PlacesAfterwards, 83 TransitionsBefore, 24 TransitionsAfterwards, 1258 CoEnabledTransitionPairs, 9 FixpointIterations, 26 TrivialSequentialCompositions, 38 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 2 ConcurrentYvCompositions, 1 ChoiceCompositions, 67 TotalNumberOfCompositions, 4243 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 1945, positive: 1658, positive conditional: 0, positive unconditional: 1658, negative: 287, negative conditional: 0, negative unconditional: 287, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 882, positive: 835, positive conditional: 0, positive unconditional: 835, negative: 47, negative conditional: 0, negative unconditional: 47, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 882, positive: 758, positive conditional: 0, positive unconditional: 758, negative: 124, negative conditional: 0, negative unconditional: 124, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 124, positive: 77, positive conditional: 0, positive unconditional: 77, negative: 47, negative conditional: 0, negative unconditional: 47, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 170, positive: 68, positive conditional: 0, positive unconditional: 68, negative: 102, negative conditional: 0, negative unconditional: 102, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 1945, positive: 823, positive conditional: 0, positive unconditional: 823, negative: 240, negative conditional: 0, negative unconditional: 240, unknown: 882, unknown conditional: 0, unknown unconditional: 882] , Statistics on independence cache: Total cache size (in pairs): 119, Positive cache size: 98, Positive conditional cache size: 0, Positive unconditional cache size: 98, Negative cache size: 21, Negative conditional cache size: 0, Negative unconditional cache size: 21 - 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 - DataRaceFoundResult [Line: 923]: Data race detected Data race detected The following path leads to a data race: [L918] 0 int glob; [L919] 0 pthread_mutex_t mutex = { { 0, 0, 0, 0, 0, { { 0, 0 } } } }; [L920] 0 pthread_mutex_t bad = { { 0, 0, 0, 0, 0, { { 0, 0 } } } }; [L934] 0 pthread_t id; [L935] FCALL, FORK 0 pthread_create(&id, ((void *)0), t_fun, ((void *)0)) VAL [arg={0:0}, bad={2:0}, glob=0, id={3:0}, mutex={1:0}, pthread_create(&id, ((void *)0), t_fun, ((void *)0))=-1] [L929] 1 glob++ VAL [arg={0:0}, arg={0:0}, bad={2:0}, glob=0, glob++=0, mutex={1:0}] [L936] COND TRUE 0 1 [L937] CALL 0 f(&bad) [L923] 0 glob++ VAL [arg={0:0}, arg={0:0}, bad={2:0}, glob=0, glob++=0, m={2:0}, m={2:0}, mutex={1:0}] [L929] 1 glob++ VAL [arg={0:0}, arg={0:0}, bad={2:0}, glob=1, glob++=25, glob++=0, mutex={1:0}] [L923] 0 glob++ VAL [arg={0:0}, arg={0:0}, bad={2:0}, glob=1, glob++=25, glob++=0, m={2:0}, m={2:0}, mutex={1:0}] Now there is a data race on ~glob~0 between C: glob++ [929] and C: glob++ [923] - UnprovableResult [Line: 939]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 923]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 935]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Reason: Not analyzed. - UnprovableResult [Line: 929]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 929]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 3 procedures, 101 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 3.5s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 2.6s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 27 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 27 mSDsluCounter, 39 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 23 mSDsCounter, 5 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 101 IncrementalHoareTripleChecker+Invalid, 106 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 5 mSolverCounterUnsat, 30 mSDtfsCounter, 101 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=120occurred in iteration=0, InterpolantAutomatonStates: 9, 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, 3 MinimizatonAttempts, 24 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 33 NumberOfCodeBlocks, 33 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 19 ConstructedInterpolants, 0 QuantifiedInterpolants, 25 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 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 RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2021-11-23 03:38:48,468 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3d392b6-a5a1-425f-a07d-7eb75cd3bb18/bin/utaipan-EQgc7hIp5V/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 Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE