./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/goblint-regression/36-apron_17-traces-rpb-litmus_unknown_1_pos.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a6a5d6c-0647-4a04-a7de-115ece9214c1/bin/utaipan-verify-sOmjnqqW8E/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a6a5d6c-0647-4a04-a7de-115ece9214c1/bin/utaipan-verify-sOmjnqqW8E/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a6a5d6c-0647-4a04-a7de-115ece9214c1/bin/utaipan-verify-sOmjnqqW8E/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a6a5d6c-0647-4a04-a7de-115ece9214c1/bin/utaipan-verify-sOmjnqqW8E/config/TaipanReach.xml -i ../../sv-benchmarks/c/goblint-regression/36-apron_17-traces-rpb-litmus_unknown_1_pos.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a6a5d6c-0647-4a04-a7de-115ece9214c1/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-DataRace-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a6a5d6c-0647-4a04-a7de-115ece9214c1/bin/utaipan-verify-sOmjnqqW8E --witnessprinter.witness.filename witness --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 dfa09ef2a9611ca17b7987ae6667bf9c5dfecc9a3d2f86327d9d054dda20e42c --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 23:46:20,284 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 23:46:20,401 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a6a5d6c-0647-4a04-a7de-115ece9214c1/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-DataRace-32bit-Taipan_Default.epf [2024-11-13 23:46:20,409 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 23:46:20,409 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-13 23:46:20,465 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 23:46:20,467 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-13 23:46:20,468 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-13 23:46:20,468 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 23:46:20,469 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-13 23:46:20,469 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-13 23:46:20,470 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-13 23:46:20,470 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-13 23:46:20,471 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-13 23:46:20,471 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-13 23:46:20,471 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-13 23:46:20,471 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-13 23:46:20,471 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-13 23:46:20,471 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-13 23:46:20,472 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-13 23:46:20,472 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-13 23:46:20,473 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-13 23:46:20,473 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 23:46:20,473 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 23:46:20,474 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 23:46:20,474 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 23:46:20,474 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 23:46:20,475 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 23:46:20,475 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 23:46:20,475 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 23:46:20,475 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 23:46:20,475 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-11-13 23:46:20,475 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 23:46:20,476 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 23:46:20,476 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 23:46:20,476 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 23:46:20,476 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 23:46:20,476 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 23:46:20,476 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-13 23:46:20,476 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-13 23:46:20,476 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 23:46:20,477 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 23:46:20,477 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 23:46:20,477 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-13 23:46:20,477 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 23:46:20,477 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-13 23:46:20,477 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-13 23:46:20,477 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-13 23:46:20,478 INFO L153 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_6a6a5d6c-0647-4a04-a7de-115ece9214c1/bin/utaipan-verify-sOmjnqqW8E Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness 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 -> dfa09ef2a9611ca17b7987ae6667bf9c5dfecc9a3d2f86327d9d054dda20e42c [2024-11-13 23:46:20,890 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 23:46:20,905 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 23:46:20,908 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 23:46:20,912 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 23:46:20,912 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 23:46:20,914 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a6a5d6c-0647-4a04-a7de-115ece9214c1/bin/utaipan-verify-sOmjnqqW8E/../../sv-benchmarks/c/goblint-regression/36-apron_17-traces-rpb-litmus_unknown_1_pos.i Unable to find full path for "g++" [2024-11-13 23:46:23,251 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 23:46:23,716 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 23:46:23,716 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a6a5d6c-0647-4a04-a7de-115ece9214c1/sv-benchmarks/c/goblint-regression/36-apron_17-traces-rpb-litmus_unknown_1_pos.i [2024-11-13 23:46:23,749 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a6a5d6c-0647-4a04-a7de-115ece9214c1/bin/utaipan-verify-sOmjnqqW8E/data/ff7544800/9496e1b7d31f40c4a0268dcc7072585c/FLAG2826bd5a9 [2024-11-13 23:46:23,781 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a6a5d6c-0647-4a04-a7de-115ece9214c1/bin/utaipan-verify-sOmjnqqW8E/data/ff7544800/9496e1b7d31f40c4a0268dcc7072585c [2024-11-13 23:46:23,785 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 23:46:23,787 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 23:46:23,791 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 23:46:23,791 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 23:46:23,797 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 23:46:23,798 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 11:46:23" (1/1) ... [2024-11-13 23:46:23,800 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@42682ff9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:46:23, skipping insertion in model container [2024-11-13 23:46:23,800 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 11:46:23" (1/1) ... [2024-11-13 23:46:23,851 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 23:46:24,439 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 23:46:24,478 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 23:46:24,566 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 23:46:24,634 INFO L204 MainTranslator]: Completed translation [2024-11-13 23:46:24,635 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:46:24 WrapperNode [2024-11-13 23:46:24,636 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 23:46:24,637 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 23:46:24,638 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 23:46:24,638 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 23:46:24,647 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:46:24" (1/1) ... [2024-11-13 23:46:24,665 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:46:24" (1/1) ... [2024-11-13 23:46:24,702 INFO L138 Inliner]: procedures = 166, calls = 37, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 78 [2024-11-13 23:46:24,704 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 23:46:24,704 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 23:46:24,705 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 23:46:24,706 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 23:46:24,716 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:46:24" (1/1) ... [2024-11-13 23:46:24,718 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:46:24" (1/1) ... [2024-11-13 23:46:24,722 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:46:24" (1/1) ... [2024-11-13 23:46:24,725 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:46:24" (1/1) ... [2024-11-13 23:46:24,739 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:46:24" (1/1) ... [2024-11-13 23:46:24,745 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:46:24" (1/1) ... [2024-11-13 23:46:24,746 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:46:24" (1/1) ... [2024-11-13 23:46:24,750 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:46:24" (1/1) ... [2024-11-13 23:46:24,757 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 23:46:24,758 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 23:46:24,758 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 23:46:24,758 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 23:46:24,759 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:46:24" (1/1) ... [2024-11-13 23:46:24,773 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-13 23:46:24,789 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a6a5d6c-0647-4a04-a7de-115ece9214c1/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-13 23:46:24,805 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a6a5d6c-0647-4a04-a7de-115ece9214c1/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-13 23:46:24,808 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a6a5d6c-0647-4a04-a7de-115ece9214c1/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-13 23:46:24,837 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-11-13 23:46:24,837 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 23:46:24,838 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2024-11-13 23:46:24,838 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2024-11-13 23:46:24,838 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2024-11-13 23:46:24,838 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 23:46:24,838 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-11-13 23:46:24,838 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 23:46:24,838 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 23:46:24,840 WARN L207 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-13 23:46:25,075 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 23:46:25,078 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 23:46:25,398 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-13 23:46:25,398 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 23:46:25,447 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 23:46:25,447 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-13 23:46:25,448 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:46:25 BoogieIcfgContainer [2024-11-13 23:46:25,448 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 23:46:25,451 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-13 23:46:25,451 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-13 23:46:25,458 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-13 23:46:25,458 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.11 11:46:23" (1/3) ... [2024-11-13 23:46:25,460 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2591ccb5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 11:46:25, skipping insertion in model container [2024-11-13 23:46:25,460 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:46:24" (2/3) ... [2024-11-13 23:46:25,460 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2591ccb5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 11:46:25, skipping insertion in model container [2024-11-13 23:46:25,460 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:46:25" (3/3) ... [2024-11-13 23:46:25,462 INFO L112 eAbstractionObserver]: Analyzing ICFG 36-apron_17-traces-rpb-litmus_unknown_1_pos.i [2024-11-13 23:46:25,484 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-13 23:46:25,486 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG 36-apron_17-traces-rpb-litmus_unknown_1_pos.i that has 2 procedures, 98 locations, 1 initial locations, 0 loop locations, and 3 error locations. [2024-11-13 23:46:25,486 INFO L492 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-13 23:46:25,604 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-11-13 23:46:25,668 INFO L113 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 101 places, 100 transitions, 204 flow [2024-11-13 23:46:25,807 INFO L135 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 609 states, 604 states have (on average 1.9172185430463575) internal successors, (1158), 608 states have internal predecessors, (1158), 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) [2024-11-13 23:46:25,851 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-13 23:46:25,870 INFO L333 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, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@590216ad, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-13 23:46:25,870 INFO L334 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2024-11-13 23:46:25,876 INFO L276 IsEmpty]: Start isEmpty. Operand has 609 states, 604 states have (on average 1.9172185430463575) internal successors, (1158), 608 states have internal predecessors, (1158), 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) [2024-11-13 23:46:25,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2024-11-13 23:46:25,885 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 23:46:25,886 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 23:46:25,888 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-11-13 23:46:25,895 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 23:46:25,896 INFO L85 PathProgramCache]: Analyzing trace with hash 1601470645, now seen corresponding path program 1 times [2024-11-13 23:46:25,907 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-13 23:46:25,908 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1879531599] [2024-11-13 23:46:25,908 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 23:46:25,909 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:46:26,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:46:26,328 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 23:46:26,328 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-13 23:46:26,329 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1879531599] [2024-11-13 23:46:26,332 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1879531599] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 23:46:26,333 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 23:46:26,333 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 23:46:26,335 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [814610404] [2024-11-13 23:46:26,336 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 23:46:26,341 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 23:46:26,341 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-13 23:46:26,363 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 23:46:26,364 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 23:46:26,369 INFO L87 Difference]: Start difference. First operand has 609 states, 604 states have (on average 1.9172185430463575) internal successors, (1158), 608 states have internal predecessors, (1158), 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 24.0) internal successors, (48), 3 states have internal predecessors, (48), 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) [2024-11-13 23:46:26,579 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 23:46:26,580 INFO L93 Difference]: Finished difference Result 777 states and 1446 transitions. [2024-11-13 23:46:26,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 23:46:26,586 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 24.0) internal successors, (48), 3 states have internal predecessors, (48), 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 48 [2024-11-13 23:46:26,586 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 23:46:26,611 INFO L225 Difference]: With dead ends: 777 [2024-11-13 23:46:26,611 INFO L226 Difference]: Without dead ends: 573 [2024-11-13 23:46:26,616 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 23:46:26,622 INFO L432 NwaCegarLoop]: 94 mSDtfsCounter, 35 mSDsluCounter, 75 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 35 SdHoareTripleChecker+Valid, 169 SdHoareTripleChecker+Invalid, 38 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 37 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-13 23:46:26,623 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [35 Valid, 169 Invalid, 38 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-13 23:46:26,651 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 573 states. [2024-11-13 23:46:26,736 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 573 to 535. [2024-11-13 23:46:26,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 535 states, 529 states have (on average 1.8431001890359169) internal successors, (975), 534 states have internal predecessors, (975), 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) [2024-11-13 23:46:26,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 535 states to 535 states and 975 transitions. [2024-11-13 23:46:26,751 INFO L78 Accepts]: Start accepts. Automaton has 535 states and 975 transitions. Word has length 48 [2024-11-13 23:46:26,752 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 23:46:26,752 INFO L471 AbstractCegarLoop]: Abstraction has 535 states and 975 transitions. [2024-11-13 23:46:26,752 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 24.0) internal successors, (48), 3 states have internal predecessors, (48), 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) [2024-11-13 23:46:26,752 INFO L276 IsEmpty]: Start isEmpty. Operand 535 states and 975 transitions. [2024-11-13 23:46:26,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2024-11-13 23:46:26,754 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 23:46:26,754 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 23:46:26,754 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-13 23:46:26,755 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-11-13 23:46:26,755 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 23:46:26,756 INFO L85 PathProgramCache]: Analyzing trace with hash -72816102, now seen corresponding path program 1 times [2024-11-13 23:46:26,756 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-13 23:46:26,756 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1000397282] [2024-11-13 23:46:26,756 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 23:46:26,756 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:46:26,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:46:26,872 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 23:46:26,872 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-13 23:46:26,873 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1000397282] [2024-11-13 23:46:26,873 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1000397282] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 23:46:26,873 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 23:46:26,873 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 23:46:26,873 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2140881742] [2024-11-13 23:46:26,873 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 23:46:26,874 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 23:46:26,875 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-13 23:46:26,875 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 23:46:26,875 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 23:46:26,876 INFO L87 Difference]: Start difference. First operand 535 states and 975 transitions. Second operand has 3 states, 2 states have (on average 24.0) internal successors, (48), 3 states have internal predecessors, (48), 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) [2024-11-13 23:46:26,996 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 23:46:26,996 INFO L93 Difference]: Finished difference Result 592 states and 1060 transitions. [2024-11-13 23:46:26,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 23:46:26,997 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 24.0) internal successors, (48), 3 states have internal predecessors, (48), 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 48 [2024-11-13 23:46:26,998 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 23:46:27,001 INFO L225 Difference]: With dead ends: 592 [2024-11-13 23:46:27,002 INFO L226 Difference]: Without dead ends: 381 [2024-11-13 23:46:27,003 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 23:46:27,004 INFO L432 NwaCegarLoop]: 111 mSDtfsCounter, 38 mSDsluCounter, 73 mSDsCounter, 0 mSdLazyCounter, 44 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 38 SdHoareTripleChecker+Valid, 184 SdHoareTripleChecker+Invalid, 45 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 44 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-13 23:46:27,004 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [38 Valid, 184 Invalid, 45 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 44 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-13 23:46:27,006 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 381 states. [2024-11-13 23:46:27,023 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 381 to 379. [2024-11-13 23:46:27,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 379 states, 374 states have (on average 1.7513368983957218) internal successors, (655), 378 states have internal predecessors, (655), 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) [2024-11-13 23:46:27,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 379 states to 379 states and 655 transitions. [2024-11-13 23:46:27,028 INFO L78 Accepts]: Start accepts. Automaton has 379 states and 655 transitions. Word has length 48 [2024-11-13 23:46:27,029 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 23:46:27,029 INFO L471 AbstractCegarLoop]: Abstraction has 379 states and 655 transitions. [2024-11-13 23:46:27,029 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 24.0) internal successors, (48), 3 states have internal predecessors, (48), 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) [2024-11-13 23:46:27,029 INFO L276 IsEmpty]: Start isEmpty. Operand 379 states and 655 transitions. [2024-11-13 23:46:27,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-13 23:46:27,031 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 23:46:27,031 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 23:46:27,031 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-13 23:46:27,031 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-11-13 23:46:27,032 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 23:46:27,032 INFO L85 PathProgramCache]: Analyzing trace with hash 1414790841, now seen corresponding path program 1 times [2024-11-13 23:46:27,032 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-13 23:46:27,032 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [396370489] [2024-11-13 23:46:27,032 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 23:46:27,033 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:46:27,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:46:27,211 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 23:46:27,212 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-13 23:46:27,212 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [396370489] [2024-11-13 23:46:27,212 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [396370489] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 23:46:27,212 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 23:46:27,212 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 23:46:27,212 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [8644227] [2024-11-13 23:46:27,212 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 23:46:27,213 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 23:46:27,213 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-13 23:46:27,213 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 23:46:27,214 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 23:46:27,214 INFO L87 Difference]: Start difference. First operand 379 states and 655 transitions. Second operand has 3 states, 2 states have (on average 25.0) internal successors, (50), 3 states have internal predecessors, (50), 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) [2024-11-13 23:46:27,326 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 23:46:27,326 INFO L93 Difference]: Finished difference Result 397 states and 679 transitions. [2024-11-13 23:46:27,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 23:46:27,327 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 25.0) internal successors, (50), 3 states have internal predecessors, (50), 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 50 [2024-11-13 23:46:27,327 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 23:46:27,330 INFO L225 Difference]: With dead ends: 397 [2024-11-13 23:46:27,330 INFO L226 Difference]: Without dead ends: 290 [2024-11-13 23:46:27,331 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 23:46:27,332 INFO L432 NwaCegarLoop]: 94 mSDtfsCounter, 17 mSDsluCounter, 71 mSDsCounter, 0 mSdLazyCounter, 41 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 165 SdHoareTripleChecker+Invalid, 42 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 41 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-13 23:46:27,333 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [17 Valid, 165 Invalid, 42 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 41 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-13 23:46:27,335 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 290 states. [2024-11-13 23:46:27,345 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 290 to 289. [2024-11-13 23:46:27,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 289 states, 285 states have (on average 1.6631578947368422) internal successors, (474), 288 states have internal predecessors, (474), 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) [2024-11-13 23:46:27,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 289 states to 289 states and 474 transitions. [2024-11-13 23:46:27,350 INFO L78 Accepts]: Start accepts. Automaton has 289 states and 474 transitions. Word has length 50 [2024-11-13 23:46:27,350 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 23:46:27,350 INFO L471 AbstractCegarLoop]: Abstraction has 289 states and 474 transitions. [2024-11-13 23:46:27,351 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 25.0) internal successors, (50), 3 states have internal predecessors, (50), 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) [2024-11-13 23:46:27,351 INFO L276 IsEmpty]: Start isEmpty. Operand 289 states and 474 transitions. [2024-11-13 23:46:27,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2024-11-13 23:46:27,353 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 23:46:27,353 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 23:46:27,353 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-13 23:46:27,353 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-11-13 23:46:27,354 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 23:46:27,354 INFO L85 PathProgramCache]: Analyzing trace with hash 706678641, now seen corresponding path program 1 times [2024-11-13 23:46:27,354 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-13 23:46:27,354 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1667176371] [2024-11-13 23:46:27,354 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 23:46:27,354 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:46:27,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:46:27,859 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 23:46:27,860 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-13 23:46:27,860 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1667176371] [2024-11-13 23:46:27,860 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1667176371] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 23:46:27,860 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 23:46:27,860 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-13 23:46:27,860 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1604203633] [2024-11-13 23:46:27,860 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 23:46:27,861 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-13 23:46:27,861 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-13 23:46:27,862 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-13 23:46:27,862 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-13 23:46:27,862 INFO L87 Difference]: Start difference. First operand 289 states and 474 transitions. Second operand has 5 states, 5 states have (on average 11.2) internal successors, (56), 5 states have internal predecessors, (56), 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) [2024-11-13 23:46:27,998 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 23:46:27,998 INFO L93 Difference]: Finished difference Result 289 states and 474 transitions. [2024-11-13 23:46:27,999 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-13 23:46:27,999 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.2) internal successors, (56), 5 states have internal predecessors, (56), 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 56 [2024-11-13 23:46:28,000 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 23:46:28,001 INFO L225 Difference]: With dead ends: 289 [2024-11-13 23:46:28,001 INFO L226 Difference]: Without dead ends: 0 [2024-11-13 23:46:28,002 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2024-11-13 23:46:28,003 INFO L432 NwaCegarLoop]: 45 mSDtfsCounter, 84 mSDsluCounter, 31 mSDsCounter, 0 mSdLazyCounter, 42 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 84 SdHoareTripleChecker+Valid, 76 SdHoareTripleChecker+Invalid, 47 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 42 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-13 23:46:28,003 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [84 Valid, 76 Invalid, 47 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 42 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-13 23:46:28,007 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-13 23:46:28,010 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-13 23:46:28,011 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) [2024-11-13 23:46:28,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-13 23:46:28,012 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 56 [2024-11-13 23:46:28,012 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 23:46:28,012 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-13 23:46:28,012 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.2) internal successors, (56), 5 states have internal predecessors, (56), 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) [2024-11-13 23:46:28,013 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-13 23:46:28,013 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-13 23:46:28,016 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (4 of 5 remaining) [2024-11-13 23:46:28,017 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (3 of 5 remaining) [2024-11-13 23:46:28,017 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 5 remaining) [2024-11-13 23:46:28,017 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (1 of 5 remaining) [2024-11-13 23:46:28,017 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (0 of 5 remaining) [2024-11-13 23:46:28,018 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-13 23:46:28,022 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2024-11-13 23:46:28,027 INFO L242 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-13 23:46:28,028 INFO L173 ceAbstractionStarter]: Computing trace abstraction results [2024-11-13 23:46:28,033 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.11 11:46:28 BasicIcfg [2024-11-13 23:46:28,034 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-13 23:46:28,034 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 23:46:28,035 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 23:46:28,035 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 23:46:28,036 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:46:25" (3/4) ... [2024-11-13 23:46:28,037 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-13 23:46:28,042 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure t_fun [2024-11-13 23:46:28,047 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2024-11-13 23:46:28,048 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-13 23:46:28,048 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2024-11-13 23:46:28,048 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-13 23:46:28,129 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a6a5d6c-0647-4a04-a7de-115ece9214c1/bin/utaipan-verify-sOmjnqqW8E/witness.graphml [2024-11-13 23:46:28,130 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a6a5d6c-0647-4a04-a7de-115ece9214c1/bin/utaipan-verify-sOmjnqqW8E/witness.yml [2024-11-13 23:46:28,130 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 23:46:28,131 INFO L158 Benchmark]: Toolchain (without parser) took 4344.52ms. Allocated memory was 142.6MB in the beginning and 352.3MB in the end (delta: 209.7MB). Free memory was 100.0MB in the beginning and 287.2MB in the end (delta: -187.2MB). Peak memory consumption was 24.2MB. Max. memory is 16.1GB. [2024-11-13 23:46:28,131 INFO L158 Benchmark]: CDTParser took 1.87ms. Allocated memory is still 167.8MB. Free memory is still 105.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 23:46:28,132 INFO L158 Benchmark]: CACSL2BoogieTranslator took 845.86ms. Allocated memory is still 142.6MB. Free memory was 99.7MB in the beginning and 79.8MB in the end (delta: 19.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 23:46:28,132 INFO L158 Benchmark]: Boogie Procedure Inliner took 66.54ms. Allocated memory is still 142.6MB. Free memory was 79.5MB in the beginning and 77.9MB in the end (delta: 1.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 23:46:28,133 INFO L158 Benchmark]: Boogie Preprocessor took 52.40ms. Allocated memory is still 142.6MB. Free memory was 77.9MB in the beginning and 77.0MB in the end (delta: 974.8kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 23:46:28,133 INFO L158 Benchmark]: RCFGBuilder took 690.78ms. Allocated memory is still 142.6MB. Free memory was 77.0MB in the beginning and 60.2MB in the end (delta: 16.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 23:46:28,133 INFO L158 Benchmark]: TraceAbstraction took 2582.64ms. Allocated memory was 142.6MB in the beginning and 352.3MB in the end (delta: 209.7MB). Free memory was 59.6MB in the beginning and 291.4MB in the end (delta: -231.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 23:46:28,134 INFO L158 Benchmark]: Witness Printer took 95.67ms. Allocated memory is still 352.3MB. Free memory was 291.4MB in the beginning and 287.2MB in the end (delta: 4.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 23:46:28,136 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.87ms. Allocated memory is still 167.8MB. Free memory is still 105.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 845.86ms. Allocated memory is still 142.6MB. Free memory was 99.7MB in the beginning and 79.8MB in the end (delta: 19.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 66.54ms. Allocated memory is still 142.6MB. Free memory was 79.5MB in the beginning and 77.9MB in the end (delta: 1.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 52.40ms. Allocated memory is still 142.6MB. Free memory was 77.9MB in the beginning and 77.0MB in the end (delta: 974.8kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 690.78ms. Allocated memory is still 142.6MB. Free memory was 77.0MB in the beginning and 60.2MB in the end (delta: 16.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 2582.64ms. Allocated memory was 142.6MB in the beginning and 352.3MB in the end (delta: 209.7MB). Free memory was 59.6MB in the beginning and 291.4MB in the end (delta: -231.8MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 95.67ms. Allocated memory is still 352.3MB. Free memory was 291.4MB in the beginning and 287.2MB in the end (delta: 4.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - 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: 705]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 701]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 688]: there are no data races For all program executions holds that there are no data races at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 3 procedures, 117 locations, 5 error locations. Started 1 CEGAR loops. OverallTime: 2.4s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.2s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 174 SdHoareTripleChecker+Valid, 0.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 174 mSDsluCounter, 594 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 250 mSDsCounter, 8 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 164 IncrementalHoareTripleChecker+Invalid, 172 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 8 mSolverCounterUnsat, 344 mSDtfsCounter, 164 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 14 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=609occurred in iteration=0, InterpolantAutomatonStates: 14, 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, 4 MinimizatonAttempts, 41 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 202 NumberOfCodeBlocks, 202 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 198 ConstructedInterpolants, 0 QuantifiedInterpolants, 348 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 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 3 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-11-13 23:46:28,173 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a6a5d6c-0647-4a04-a7de-115ece9214c1/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE