./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/goblint-regression/05-lval_ls_01-idx_rc.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_6bbe6436-f177-4b2c-8e66-7fb0f181077a/bin/utaipan-verify-sOmjnqqW8E/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bbe6436-f177-4b2c-8e66-7fb0f181077a/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_6bbe6436-f177-4b2c-8e66-7fb0f181077a/bin/utaipan-verify-sOmjnqqW8E/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bbe6436-f177-4b2c-8e66-7fb0f181077a/bin/utaipan-verify-sOmjnqqW8E/config/TaipanReach.xml -i ../../sv-benchmarks/c/goblint-regression/05-lval_ls_01-idx_rc.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bbe6436-f177-4b2c-8e66-7fb0f181077a/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_6bbe6436-f177-4b2c-8e66-7fb0f181077a/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 881804847426e60812f8175456032b889bbad15c60068b15698c7277211e0c6e --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-14 04:46:38,674 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-14 04:46:38,781 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bbe6436-f177-4b2c-8e66-7fb0f181077a/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-DataRace-32bit-Taipan_Default.epf [2024-11-14 04:46:38,792 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-14 04:46:38,792 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-14 04:46:38,842 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-14 04:46:38,843 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-14 04:46:38,843 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-14 04:46:38,843 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-14 04:46:38,843 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-14 04:46:38,845 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-14 04:46:38,846 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-14 04:46:38,846 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-14 04:46:38,847 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-14 04:46:38,847 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-14 04:46:38,847 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-14 04:46:38,847 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-14 04:46:38,847 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-14 04:46:38,847 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-14 04:46:38,848 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-14 04:46:38,848 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-14 04:46:38,848 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-14 04:46:38,848 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-14 04:46:38,848 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-14 04:46:38,849 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-14 04:46:38,849 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-14 04:46:38,849 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-14 04:46:38,849 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-14 04:46:38,849 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-14 04:46:38,849 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-14 04:46:38,849 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-14 04:46:38,850 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-11-14 04:46:38,850 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-14 04:46:38,850 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-14 04:46:38,851 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-14 04:46:38,851 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-14 04:46:38,851 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-14 04:46:38,851 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-14 04:46:38,851 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-14 04:46:38,851 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 04:46:38,852 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-14 04:46:38,852 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-14 04:46:38,852 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-14 04:46:38,852 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-14 04:46:38,852 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-14 04:46:38,852 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-14 04:46:38,853 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-14 04:46:38,853 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-14 04:46:38,853 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_6bbe6436-f177-4b2c-8e66-7fb0f181077a/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 -> 881804847426e60812f8175456032b889bbad15c60068b15698c7277211e0c6e [2024-11-14 04:46:39,236 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-14 04:46:39,253 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-14 04:46:39,256 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-14 04:46:39,259 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-14 04:46:39,260 INFO L274 PluginConnector]: CDTParser initialized [2024-11-14 04:46:39,263 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bbe6436-f177-4b2c-8e66-7fb0f181077a/bin/utaipan-verify-sOmjnqqW8E/../../sv-benchmarks/c/goblint-regression/05-lval_ls_01-idx_rc.i Unable to find full path for "g++" [2024-11-14 04:46:41,479 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-14 04:46:41,835 INFO L384 CDTParser]: Found 1 translation units. [2024-11-14 04:46:41,838 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bbe6436-f177-4b2c-8e66-7fb0f181077a/sv-benchmarks/c/goblint-regression/05-lval_ls_01-idx_rc.i [2024-11-14 04:46:41,852 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bbe6436-f177-4b2c-8e66-7fb0f181077a/bin/utaipan-verify-sOmjnqqW8E/data/03eed27da/849e66cb848b449abc5fea00ce142a7b/FLAG673d0962b [2024-11-14 04:46:41,867 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bbe6436-f177-4b2c-8e66-7fb0f181077a/bin/utaipan-verify-sOmjnqqW8E/data/03eed27da/849e66cb848b449abc5fea00ce142a7b [2024-11-14 04:46:41,870 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-14 04:46:41,871 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-14 04:46:41,873 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-14 04:46:41,873 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-14 04:46:41,878 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-14 04:46:41,879 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 04:46:41" (1/1) ... [2024-11-14 04:46:41,880 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@68bef5d0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:46:41, skipping insertion in model container [2024-11-14 04:46:41,880 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 04:46:41" (1/1) ... [2024-11-14 04:46:41,925 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-14 04:46:42,396 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 04:46:42,457 INFO L200 MainTranslator]: Completed pre-run [2024-11-14 04:46:42,531 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 04:46:42,581 INFO L204 MainTranslator]: Completed translation [2024-11-14 04:46:42,581 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:46:42 WrapperNode [2024-11-14 04:46:42,582 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-14 04:46:42,583 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-14 04:46:42,583 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-14 04:46:42,583 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-14 04:46:42,590 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:46:42" (1/1) ... [2024-11-14 04:46:42,612 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:46:42" (1/1) ... [2024-11-14 04:46:42,650 INFO L138 Inliner]: procedures = 165, calls = 88, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 120 [2024-11-14 04:46:42,651 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-14 04:46:42,651 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-14 04:46:42,654 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-14 04:46:42,655 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-14 04:46:42,667 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:46:42" (1/1) ... [2024-11-14 04:46:42,667 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:46:42" (1/1) ... [2024-11-14 04:46:42,672 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:46:42" (1/1) ... [2024-11-14 04:46:42,674 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:46:42" (1/1) ... [2024-11-14 04:46:42,692 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:46:42" (1/1) ... [2024-11-14 04:46:42,695 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:46:42" (1/1) ... [2024-11-14 04:46:42,700 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:46:42" (1/1) ... [2024-11-14 04:46:42,704 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:46:42" (1/1) ... [2024-11-14 04:46:42,707 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-14 04:46:42,712 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-14 04:46:42,712 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-14 04:46:42,712 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-14 04:46:42,713 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:46:42" (1/1) ... [2024-11-14 04:46:42,723 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 04:46:42,752 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bbe6436-f177-4b2c-8e66-7fb0f181077a/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 04:46:42,763 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bbe6436-f177-4b2c-8e66-7fb0f181077a/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-14 04:46:42,766 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bbe6436-f177-4b2c-8e66-7fb0f181077a/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-14 04:46:42,793 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-11-14 04:46:42,793 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-14 04:46:42,793 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2024-11-14 04:46:42,794 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2024-11-14 04:46:42,794 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2024-11-14 04:46:42,794 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-14 04:46:42,794 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-11-14 04:46:42,794 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-14 04:46:42,794 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-14 04:46:42,796 WARN L207 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-14 04:46:42,980 INFO L238 CfgBuilder]: Building ICFG [2024-11-14 04:46:42,984 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-14 04:46:43,351 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-14 04:46:43,351 INFO L287 CfgBuilder]: Performing block encoding [2024-11-14 04:46:43,378 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-14 04:46:43,378 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-14 04:46:43,378 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 04:46:43 BoogieIcfgContainer [2024-11-14 04:46:43,378 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-14 04:46:43,383 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-14 04:46:43,383 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-14 04:46:43,389 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-14 04:46:43,389 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.11 04:46:41" (1/3) ... [2024-11-14 04:46:43,390 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1cdb5f43 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 04:46:43, skipping insertion in model container [2024-11-14 04:46:43,391 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:46:42" (2/3) ... [2024-11-14 04:46:43,391 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1cdb5f43 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 04:46:43, skipping insertion in model container [2024-11-14 04:46:43,392 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 04:46:43" (3/3) ... [2024-11-14 04:46:43,393 INFO L112 eAbstractionObserver]: Analyzing ICFG 05-lval_ls_01-idx_rc.i [2024-11-14 04:46:43,413 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-14 04:46:43,415 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG 05-lval_ls_01-idx_rc.i that has 2 procedures, 140 locations, 1 initial locations, 1 loop locations, and 4 error locations. [2024-11-14 04:46:43,415 INFO L492 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-14 04:46:43,521 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-11-14 04:46:43,576 INFO L113 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 143 places, 141 transitions, 286 flow [2024-11-14 04:46:43,649 INFO L135 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 454 states, 446 states have (on average 1.7264573991031391) internal successors, (770), 453 states have internal predecessors, (770), 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) [2024-11-14 04:46:43,675 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-14 04:46:43,688 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;@57a0bc51, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-14 04:46:43,688 INFO L334 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2024-11-14 04:46:43,692 INFO L276 IsEmpty]: Start isEmpty. Operand has 454 states, 446 states have (on average 1.7264573991031391) internal successors, (770), 453 states have internal predecessors, (770), 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) [2024-11-14 04:46:43,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2024-11-14 04:46:43,701 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 04:46:43,702 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, 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] [2024-11-14 04:46:43,702 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2024-11-14 04:46:43,707 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 04:46:43,707 INFO L85 PathProgramCache]: Analyzing trace with hash -1863681701, now seen corresponding path program 1 times [2024-11-14 04:46:43,714 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 04:46:43,715 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1051112490] [2024-11-14 04:46:43,715 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:46:43,716 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 04:46:43,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:46:44,269 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 04:46:44,270 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 04:46:44,270 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1051112490] [2024-11-14 04:46:44,270 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1051112490] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 04:46:44,271 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 04:46:44,271 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-14 04:46:44,276 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1832795898] [2024-11-14 04:46:44,277 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 04:46:44,281 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-14 04:46:44,281 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 04:46:44,304 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-14 04:46:44,304 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-14 04:46:44,308 INFO L87 Difference]: Start difference. First operand has 454 states, 446 states have (on average 1.7264573991031391) internal successors, (770), 453 states have internal predecessors, (770), 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, 3 states have (on average 33.333333333333336) internal successors, (100), 3 states have internal predecessors, (100), 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) [2024-11-14 04:46:44,400 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 04:46:44,405 INFO L93 Difference]: Finished difference Result 819 states and 1451 transitions. [2024-11-14 04:46:44,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-14 04:46:44,409 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 33.333333333333336) internal successors, (100), 3 states have internal predecessors, (100), 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 100 [2024-11-14 04:46:44,410 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 04:46:44,422 INFO L225 Difference]: With dead ends: 819 [2024-11-14 04:46:44,422 INFO L226 Difference]: Without dead ends: 458 [2024-11-14 04:46:44,427 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-14 04:46:44,430 INFO L432 NwaCegarLoop]: 131 mSDtfsCounter, 3 mSDsluCounter, 125 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 256 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-14 04:46:44,431 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 256 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-14 04:46:44,445 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 458 states. [2024-11-14 04:46:44,485 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 458 to 455. [2024-11-14 04:46:44,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 455 states, 447 states have (on average 1.7225950782997763) internal successors, (770), 454 states have internal predecessors, (770), 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) [2024-11-14 04:46:44,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 455 states to 455 states and 770 transitions. [2024-11-14 04:46:44,504 INFO L78 Accepts]: Start accepts. Automaton has 455 states and 770 transitions. Word has length 100 [2024-11-14 04:46:44,505 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 04:46:44,505 INFO L471 AbstractCegarLoop]: Abstraction has 455 states and 770 transitions. [2024-11-14 04:46:44,505 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 33.333333333333336) internal successors, (100), 3 states have internal predecessors, (100), 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) [2024-11-14 04:46:44,505 INFO L276 IsEmpty]: Start isEmpty. Operand 455 states and 770 transitions. [2024-11-14 04:46:44,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2024-11-14 04:46:44,511 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 04:46:44,511 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, 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] [2024-11-14 04:46:44,511 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-14 04:46:44,512 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2024-11-14 04:46:44,512 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 04:46:44,512 INFO L85 PathProgramCache]: Analyzing trace with hash -733565992, now seen corresponding path program 1 times [2024-11-14 04:46:44,515 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 04:46:44,515 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2129258540] [2024-11-14 04:46:44,515 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:46:44,515 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 04:46:44,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:46:44,835 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 04:46:44,835 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 04:46:44,836 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2129258540] [2024-11-14 04:46:44,836 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2129258540] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-14 04:46:44,836 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1825074074] [2024-11-14 04:46:44,836 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:46:44,836 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 04:46:44,836 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bbe6436-f177-4b2c-8e66-7fb0f181077a/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 04:46:44,839 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bbe6436-f177-4b2c-8e66-7fb0f181077a/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-14 04:46:44,841 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bbe6436-f177-4b2c-8e66-7fb0f181077a/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-14 04:46:44,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:46:44,972 INFO L255 TraceCheckSpWp]: Trace formula consists of 242 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-14 04:46:44,978 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 04:46:45,020 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-14 04:46:45,020 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-14 04:46:45,020 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1825074074] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 04:46:45,020 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-14 04:46:45,020 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [5] total 6 [2024-11-14 04:46:45,021 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1750457929] [2024-11-14 04:46:45,021 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 04:46:45,022 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-14 04:46:45,022 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 04:46:45,024 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-14 04:46:45,024 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-14 04:46:45,024 INFO L87 Difference]: Start difference. First operand 455 states and 770 transitions. Second operand has 3 states, 2 states have (on average 52.5) internal successors, (105), 3 states have internal predecessors, (105), 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) [2024-11-14 04:46:45,126 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 04:46:45,126 INFO L93 Difference]: Finished difference Result 575 states and 998 transitions. [2024-11-14 04:46:45,128 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-14 04:46:45,129 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 52.5) internal successors, (105), 3 states have internal predecessors, (105), 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 105 [2024-11-14 04:46:45,131 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 04:46:45,138 INFO L225 Difference]: With dead ends: 575 [2024-11-14 04:46:45,138 INFO L226 Difference]: Without dead ends: 535 [2024-11-14 04:46:45,141 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 109 GetRequests, 105 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-14 04:46:45,142 INFO L432 NwaCegarLoop]: 151 mSDtfsCounter, 33 mSDsluCounter, 122 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 33 SdHoareTripleChecker+Valid, 273 SdHoareTripleChecker+Invalid, 32 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-14 04:46:45,142 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [33 Valid, 273 Invalid, 32 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-14 04:46:45,144 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 535 states. [2024-11-14 04:46:45,184 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 535 to 455. [2024-11-14 04:46:45,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 455 states, 448 states have (on average 1.7142857142857142) internal successors, (768), 454 states have internal predecessors, (768), 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) [2024-11-14 04:46:45,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 455 states to 455 states and 768 transitions. [2024-11-14 04:46:45,196 INFO L78 Accepts]: Start accepts. Automaton has 455 states and 768 transitions. Word has length 105 [2024-11-14 04:46:45,196 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 04:46:45,196 INFO L471 AbstractCegarLoop]: Abstraction has 455 states and 768 transitions. [2024-11-14 04:46:45,197 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 52.5) internal successors, (105), 3 states have internal predecessors, (105), 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) [2024-11-14 04:46:45,197 INFO L276 IsEmpty]: Start isEmpty. Operand 455 states and 768 transitions. [2024-11-14 04:46:45,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2024-11-14 04:46:45,198 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 04:46:45,198 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, 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] [2024-11-14 04:46:45,222 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bbe6436-f177-4b2c-8e66-7fb0f181077a/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-14 04:46:45,399 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bbe6436-f177-4b2c-8e66-7fb0f181077a/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 04:46:45,399 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2024-11-14 04:46:45,400 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 04:46:45,400 INFO L85 PathProgramCache]: Analyzing trace with hash 943162177, now seen corresponding path program 1 times [2024-11-14 04:46:45,400 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 04:46:45,401 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [432484381] [2024-11-14 04:46:45,402 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:46:45,402 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 04:46:45,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:46:45,718 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 04:46:45,718 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 04:46:45,718 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [432484381] [2024-11-14 04:46:45,718 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [432484381] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-14 04:46:45,719 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [730815947] [2024-11-14 04:46:45,719 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:46:45,719 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 04:46:45,719 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bbe6436-f177-4b2c-8e66-7fb0f181077a/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 04:46:45,724 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bbe6436-f177-4b2c-8e66-7fb0f181077a/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-14 04:46:45,725 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bbe6436-f177-4b2c-8e66-7fb0f181077a/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-14 04:46:45,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:46:45,860 INFO L255 TraceCheckSpWp]: Trace formula consists of 251 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-14 04:46:45,862 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 04:46:45,899 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-14 04:46:45,900 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-14 04:46:45,900 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [730815947] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 04:46:45,900 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-14 04:46:45,900 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [5] total 6 [2024-11-14 04:46:45,900 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1288915922] [2024-11-14 04:46:45,900 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 04:46:45,901 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-14 04:46:45,901 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 04:46:45,901 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-14 04:46:45,902 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-14 04:46:45,902 INFO L87 Difference]: Start difference. First operand 455 states and 768 transitions. Second operand has 3 states, 2 states have (on average 55.0) internal successors, (110), 3 states have internal predecessors, (110), 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) [2024-11-14 04:46:45,974 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 04:46:45,974 INFO L93 Difference]: Finished difference Result 500 states and 844 transitions. [2024-11-14 04:46:45,975 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-14 04:46:45,975 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 55.0) internal successors, (110), 3 states have internal predecessors, (110), 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 110 [2024-11-14 04:46:45,975 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 04:46:45,979 INFO L225 Difference]: With dead ends: 500 [2024-11-14 04:46:45,979 INFO L226 Difference]: Without dead ends: 387 [2024-11-14 04:46:45,980 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 114 GetRequests, 110 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-14 04:46:45,982 INFO L432 NwaCegarLoop]: 147 mSDtfsCounter, 21 mSDsluCounter, 120 mSDsCounter, 0 mSdLazyCounter, 31 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 267 SdHoareTripleChecker+Invalid, 32 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 31 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-14 04:46:45,982 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [21 Valid, 267 Invalid, 32 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 31 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-14 04:46:45,985 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 387 states. [2024-11-14 04:46:45,996 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 387 to 373. [2024-11-14 04:46:45,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 373 states, 367 states have (on average 1.6185286103542234) internal successors, (594), 372 states have internal predecessors, (594), 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) [2024-11-14 04:46:45,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 373 states to 373 states and 594 transitions. [2024-11-14 04:46:46,000 INFO L78 Accepts]: Start accepts. Automaton has 373 states and 594 transitions. Word has length 110 [2024-11-14 04:46:46,001 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 04:46:46,001 INFO L471 AbstractCegarLoop]: Abstraction has 373 states and 594 transitions. [2024-11-14 04:46:46,001 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 55.0) internal successors, (110), 3 states have internal predecessors, (110), 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) [2024-11-14 04:46:46,001 INFO L276 IsEmpty]: Start isEmpty. Operand 373 states and 594 transitions. [2024-11-14 04:46:46,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2024-11-14 04:46:46,003 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 04:46:46,003 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, 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] [2024-11-14 04:46:46,024 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bbe6436-f177-4b2c-8e66-7fb0f181077a/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-14 04:46:46,203 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bbe6436-f177-4b2c-8e66-7fb0f181077a/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 04:46:46,204 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2024-11-14 04:46:46,204 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 04:46:46,204 INFO L85 PathProgramCache]: Analyzing trace with hash -2071016932, now seen corresponding path program 1 times [2024-11-14 04:46:46,204 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 04:46:46,204 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [876589466] [2024-11-14 04:46:46,205 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:46:46,205 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 04:46:46,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:46:46,421 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 04:46:46,421 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 04:46:46,421 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [876589466] [2024-11-14 04:46:46,421 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [876589466] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-14 04:46:46,421 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [155153587] [2024-11-14 04:46:46,421 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:46:46,422 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 04:46:46,422 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bbe6436-f177-4b2c-8e66-7fb0f181077a/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 04:46:46,427 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bbe6436-f177-4b2c-8e66-7fb0f181077a/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-14 04:46:46,429 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bbe6436-f177-4b2c-8e66-7fb0f181077a/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-14 04:46:46,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:46:46,556 INFO L255 TraceCheckSpWp]: Trace formula consists of 249 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-14 04:46:46,559 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 04:46:46,577 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-14 04:46:46,577 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-14 04:46:46,577 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [155153587] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 04:46:46,578 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-14 04:46:46,578 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [5] total 6 [2024-11-14 04:46:46,578 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1369730914] [2024-11-14 04:46:46,578 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 04:46:46,578 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-14 04:46:46,579 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 04:46:46,579 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-14 04:46:46,579 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-14 04:46:46,580 INFO L87 Difference]: Start difference. First operand 373 states and 594 transitions. Second operand has 3 states, 2 states have (on average 55.5) internal successors, (111), 3 states have internal predecessors, (111), 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) [2024-11-14 04:46:46,631 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 04:46:46,631 INFO L93 Difference]: Finished difference Result 397 states and 627 transitions. [2024-11-14 04:46:46,632 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-14 04:46:46,632 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 55.5) internal successors, (111), 3 states have internal predecessors, (111), 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 111 [2024-11-14 04:46:46,632 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 04:46:46,634 INFO L225 Difference]: With dead ends: 397 [2024-11-14 04:46:46,635 INFO L226 Difference]: Without dead ends: 299 [2024-11-14 04:46:46,635 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 115 GetRequests, 111 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-14 04:46:46,636 INFO L432 NwaCegarLoop]: 144 mSDtfsCounter, 18 mSDsluCounter, 117 mSDsCounter, 0 mSdLazyCounter, 33 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 261 SdHoareTripleChecker+Invalid, 33 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 33 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-14 04:46:46,638 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [18 Valid, 261 Invalid, 33 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 33 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-14 04:46:46,639 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 299 states. [2024-11-14 04:46:46,649 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 299 to 299. [2024-11-14 04:46:46,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 299 states, 295 states have (on average 1.4576271186440677) internal successors, (430), 298 states have internal predecessors, (430), 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) [2024-11-14 04:46:46,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 299 states and 430 transitions. [2024-11-14 04:46:46,653 INFO L78 Accepts]: Start accepts. Automaton has 299 states and 430 transitions. Word has length 111 [2024-11-14 04:46:46,653 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 04:46:46,653 INFO L471 AbstractCegarLoop]: Abstraction has 299 states and 430 transitions. [2024-11-14 04:46:46,653 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 55.5) internal successors, (111), 3 states have internal predecessors, (111), 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) [2024-11-14 04:46:46,654 INFO L276 IsEmpty]: Start isEmpty. Operand 299 states and 430 transitions. [2024-11-14 04:46:46,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2024-11-14 04:46:46,655 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 04:46:46,657 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, 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, 1, 1, 1] [2024-11-14 04:46:46,672 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bbe6436-f177-4b2c-8e66-7fb0f181077a/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-14 04:46:46,858 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bbe6436-f177-4b2c-8e66-7fb0f181077a/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 04:46:46,859 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2024-11-14 04:46:46,859 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 04:46:46,859 INFO L85 PathProgramCache]: Analyzing trace with hash 2003445001, now seen corresponding path program 1 times [2024-11-14 04:46:46,859 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 04:46:46,859 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [31258950] [2024-11-14 04:46:46,859 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:46:46,859 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 04:46:46,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:46:47,051 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 04:46:47,052 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 04:46:47,052 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [31258950] [2024-11-14 04:46:47,052 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [31258950] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-14 04:46:47,053 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [130084868] [2024-11-14 04:46:47,053 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:46:47,053 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 04:46:47,053 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bbe6436-f177-4b2c-8e66-7fb0f181077a/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 04:46:47,055 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bbe6436-f177-4b2c-8e66-7fb0f181077a/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-14 04:46:47,058 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bbe6436-f177-4b2c-8e66-7fb0f181077a/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-14 04:46:47,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:46:47,186 INFO L255 TraceCheckSpWp]: Trace formula consists of 264 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-14 04:46:47,189 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 04:46:47,262 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 04:46:47,263 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-14 04:46:47,324 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 04:46:47,324 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [130084868] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-14 04:46:47,324 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [41482834] [2024-11-14 04:46:47,340 FATAL L? ?]: Ignoring exception! java.lang.UnsupportedOperationException: Cannot create path program transition for IcfgForkThreadOtherTransition at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.PathProgram$PathProgramConstructor.createPathProgramTransition(PathProgram.java:311) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.PathProgram$PathProgramConstructor.createPathProgramTransition(PathProgram.java:286) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.base/java.util.stream.ReferencePipeline$2$1.accept(ReferencePipeline.java:179) at java.base/java.util.HashMap$KeySpliterator.forEachRemaining(HashMap.java:1715) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:509) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:499) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:596) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.PathProgram$PathProgramConstructor.(PathProgram.java:251) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.PathProgram.constructPathProgram(PathProgram.java:118) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.SifaRunner.(SifaRunner.java:90) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSifa.construct(IpTcStrategyModuleSifa.java:68) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:101) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getInterpolantComputationStatus(IpTcStrategyModuleBase.java:77) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.tryExecuteInterpolantGenerator(AutomatonFreeRefinementEngine.java:267) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.generateProof(AutomatonFreeRefinementEngine.java:148) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:137) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:85) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:82) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:302) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:407) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:342) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:324) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:429) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:315) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseConcurrentProgram(TraceAbstractionStarter.java:239) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:168) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:143) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:124) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-11-14 04:46:47,345 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-14 04:46:47,346 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2024-11-14 04:46:47,346 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [104951204] [2024-11-14 04:46:47,349 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-14 04:46:47,350 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-14 04:46:47,350 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 04:46:47,351 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-14 04:46:47,351 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2024-11-14 04:46:47,351 INFO L87 Difference]: Start difference. First operand 299 states and 430 transitions. Second operand has 10 states, 10 states have (on average 12.7) internal successors, (127), 10 states have internal predecessors, (127), 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) [2024-11-14 04:46:47,522 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 04:46:47,522 INFO L93 Difference]: Finished difference Result 514 states and 777 transitions. [2024-11-14 04:46:47,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-14 04:46:47,523 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 12.7) internal successors, (127), 10 states have internal predecessors, (127), 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 115 [2024-11-14 04:46:47,523 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 04:46:47,525 INFO L225 Difference]: With dead ends: 514 [2024-11-14 04:46:47,525 INFO L226 Difference]: Without dead ends: 309 [2024-11-14 04:46:47,526 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 237 GetRequests, 225 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=64, Invalid=118, Unknown=0, NotChecked=0, Total=182 [2024-11-14 04:46:47,528 INFO L432 NwaCegarLoop]: 130 mSDtfsCounter, 11 mSDsluCounter, 756 mSDsCounter, 0 mSdLazyCounter, 81 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 886 SdHoareTripleChecker+Invalid, 82 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 81 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-14 04:46:47,529 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 886 Invalid, 82 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 81 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-14 04:46:47,530 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 309 states. [2024-11-14 04:46:47,542 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 309 to 309. [2024-11-14 04:46:47,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 309 states, 305 states have (on average 1.4426229508196722) internal successors, (440), 308 states have internal predecessors, (440), 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) [2024-11-14 04:46:47,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 309 states to 309 states and 440 transitions. [2024-11-14 04:46:47,546 INFO L78 Accepts]: Start accepts. Automaton has 309 states and 440 transitions. Word has length 115 [2024-11-14 04:46:47,546 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 04:46:47,546 INFO L471 AbstractCegarLoop]: Abstraction has 309 states and 440 transitions. [2024-11-14 04:46:47,546 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 12.7) internal successors, (127), 10 states have internal predecessors, (127), 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) [2024-11-14 04:46:47,547 INFO L276 IsEmpty]: Start isEmpty. Operand 309 states and 440 transitions. [2024-11-14 04:46:47,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2024-11-14 04:46:47,548 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 04:46:47,548 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 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, 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] [2024-11-14 04:46:47,570 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bbe6436-f177-4b2c-8e66-7fb0f181077a/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-11-14 04:46:47,749 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bbe6436-f177-4b2c-8e66-7fb0f181077a/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 04:46:47,749 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2024-11-14 04:46:47,750 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 04:46:47,750 INFO L85 PathProgramCache]: Analyzing trace with hash 907811561, now seen corresponding path program 2 times [2024-11-14 04:46:47,750 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 04:46:47,750 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1043096109] [2024-11-14 04:46:47,750 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:46:47,751 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 04:46:47,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:46:48,083 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 04:46:48,083 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 04:46:48,083 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1043096109] [2024-11-14 04:46:48,084 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1043096109] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-14 04:46:48,084 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [224343537] [2024-11-14 04:46:48,084 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-14 04:46:48,084 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 04:46:48,085 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bbe6436-f177-4b2c-8e66-7fb0f181077a/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 04:46:48,087 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bbe6436-f177-4b2c-8e66-7fb0f181077a/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-14 04:46:48,090 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bbe6436-f177-4b2c-8e66-7fb0f181077a/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-14 04:46:48,246 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2024-11-14 04:46:48,246 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-14 04:46:48,248 INFO L255 TraceCheckSpWp]: Trace formula consists of 284 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-14 04:46:48,252 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 04:46:48,360 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 04:46:48,361 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-14 04:46:48,520 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 04:46:48,521 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [224343537] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-14 04:46:48,521 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [158272289] [2024-11-14 04:46:48,522 FATAL L? ?]: Ignoring exception! java.lang.UnsupportedOperationException: Cannot create path program transition for IcfgForkThreadOtherTransition at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.PathProgram$PathProgramConstructor.createPathProgramTransition(PathProgram.java:311) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.PathProgram$PathProgramConstructor.createPathProgramTransition(PathProgram.java:286) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.base/java.util.stream.ReferencePipeline$2$1.accept(ReferencePipeline.java:179) at java.base/java.util.HashMap$KeySpliterator.forEachRemaining(HashMap.java:1715) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:509) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:499) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:596) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.PathProgram$PathProgramConstructor.(PathProgram.java:251) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.PathProgram.constructPathProgram(PathProgram.java:118) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.SifaRunner.(SifaRunner.java:90) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSifa.construct(IpTcStrategyModuleSifa.java:68) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:101) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getInterpolantComputationStatus(IpTcStrategyModuleBase.java:77) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.tryExecuteInterpolantGenerator(AutomatonFreeRefinementEngine.java:267) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.generateProof(AutomatonFreeRefinementEngine.java:148) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:137) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:85) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:82) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:302) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:407) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:342) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:324) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:429) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:315) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseConcurrentProgram(TraceAbstractionStarter.java:239) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:168) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:143) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:124) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-11-14 04:46:48,525 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-14 04:46:48,525 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 18 [2024-11-14 04:46:48,525 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1978634071] [2024-11-14 04:46:48,525 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-14 04:46:48,526 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-11-14 04:46:48,526 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 04:46:48,527 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-11-14 04:46:48,527 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=90, Invalid=216, Unknown=0, NotChecked=0, Total=306 [2024-11-14 04:46:48,528 INFO L87 Difference]: Start difference. First operand 309 states and 440 transitions. Second operand has 18 states, 18 states have (on average 8.166666666666666) internal successors, (147), 18 states have internal predecessors, (147), 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) [2024-11-14 04:46:48,846 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 04:46:48,846 INFO L93 Difference]: Finished difference Result 534 states and 799 transitions. [2024-11-14 04:46:48,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-11-14 04:46:48,847 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 8.166666666666666) internal successors, (147), 18 states have internal predecessors, (147), 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 125 [2024-11-14 04:46:48,847 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 04:46:48,849 INFO L225 Difference]: With dead ends: 534 [2024-11-14 04:46:48,850 INFO L226 Difference]: Without dead ends: 329 [2024-11-14 04:46:48,851 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 269 GetRequests, 241 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 171 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=280, Invalid=590, Unknown=0, NotChecked=0, Total=870 [2024-11-14 04:46:48,852 INFO L432 NwaCegarLoop]: 130 mSDtfsCounter, 28 mSDsluCounter, 637 mSDsCounter, 0 mSdLazyCounter, 100 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 28 SdHoareTripleChecker+Valid, 767 SdHoareTripleChecker+Invalid, 101 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 100 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-14 04:46:48,852 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [28 Valid, 767 Invalid, 101 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 100 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-14 04:46:48,853 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 329 states. [2024-11-14 04:46:48,871 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 329 to 329. [2024-11-14 04:46:48,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 329 states, 325 states have (on average 1.4153846153846155) internal successors, (460), 328 states have internal predecessors, (460), 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) [2024-11-14 04:46:48,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 329 states to 329 states and 460 transitions. [2024-11-14 04:46:48,879 INFO L78 Accepts]: Start accepts. Automaton has 329 states and 460 transitions. Word has length 125 [2024-11-14 04:46:48,884 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 04:46:48,884 INFO L471 AbstractCegarLoop]: Abstraction has 329 states and 460 transitions. [2024-11-14 04:46:48,884 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 8.166666666666666) internal successors, (147), 18 states have internal predecessors, (147), 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) [2024-11-14 04:46:48,884 INFO L276 IsEmpty]: Start isEmpty. Operand 329 states and 460 transitions. [2024-11-14 04:46:48,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2024-11-14 04:46:48,886 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 04:46:48,886 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 7, 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, 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] [2024-11-14 04:46:48,906 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bbe6436-f177-4b2c-8e66-7fb0f181077a/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-11-14 04:46:49,086 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bbe6436-f177-4b2c-8e66-7fb0f181077a/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 04:46:49,087 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2024-11-14 04:46:49,087 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 04:46:49,087 INFO L85 PathProgramCache]: Analyzing trace with hash 397967017, now seen corresponding path program 3 times [2024-11-14 04:46:49,087 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 04:46:49,087 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2043624082] [2024-11-14 04:46:49,088 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:46:49,088 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 04:46:49,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:46:49,666 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 112 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 04:46:49,666 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 04:46:49,666 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2043624082] [2024-11-14 04:46:49,666 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2043624082] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-14 04:46:49,666 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [238351389] [2024-11-14 04:46:49,666 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-14 04:46:49,667 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 04:46:49,668 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bbe6436-f177-4b2c-8e66-7fb0f181077a/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 04:46:49,670 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bbe6436-f177-4b2c-8e66-7fb0f181077a/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-14 04:46:49,676 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bbe6436-f177-4b2c-8e66-7fb0f181077a/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-14 04:46:49,773 INFO L227 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-14 04:46:49,773 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-14 04:46:49,774 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-14 04:46:49,776 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 04:46:49,919 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 112 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 04:46:49,919 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-14 04:46:50,241 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 112 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 04:46:50,242 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [238351389] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-14 04:46:50,243 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [2059832930] [2024-11-14 04:46:50,245 FATAL L? ?]: Ignoring exception! java.lang.UnsupportedOperationException: Cannot create path program transition for IcfgForkThreadOtherTransition at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.PathProgram$PathProgramConstructor.createPathProgramTransition(PathProgram.java:311) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.PathProgram$PathProgramConstructor.createPathProgramTransition(PathProgram.java:286) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.base/java.util.stream.ReferencePipeline$2$1.accept(ReferencePipeline.java:179) at java.base/java.util.HashMap$KeySpliterator.forEachRemaining(HashMap.java:1715) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:509) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:499) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:596) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.PathProgram$PathProgramConstructor.(PathProgram.java:251) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.PathProgram.constructPathProgram(PathProgram.java:118) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.SifaRunner.(SifaRunner.java:90) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSifa.construct(IpTcStrategyModuleSifa.java:68) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:101) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getInterpolantComputationStatus(IpTcStrategyModuleBase.java:77) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.tryExecuteInterpolantGenerator(AutomatonFreeRefinementEngine.java:267) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.generateProof(AutomatonFreeRefinementEngine.java:148) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:137) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:85) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:82) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:302) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:407) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:342) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:324) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:429) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:315) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseConcurrentProgram(TraceAbstractionStarter.java:239) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:168) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:143) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:124) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-11-14 04:46:50,249 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-14 04:46:50,249 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17, 17] total 23 [2024-11-14 04:46:50,249 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1888125830] [2024-11-14 04:46:50,249 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-14 04:46:50,250 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2024-11-14 04:46:50,250 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 04:46:50,251 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2024-11-14 04:46:50,251 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=143, Invalid=363, Unknown=0, NotChecked=0, Total=506 [2024-11-14 04:46:50,251 INFO L87 Difference]: Start difference. First operand 329 states and 460 transitions. Second operand has 23 states, 23 states have (on average 7.043478260869565) internal successors, (162), 23 states have internal predecessors, (162), 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) [2024-11-14 04:46:50,759 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 04:46:50,759 INFO L93 Difference]: Finished difference Result 549 states and 813 transitions. [2024-11-14 04:46:50,759 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-11-14 04:46:50,760 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 23 states have (on average 7.043478260869565) internal successors, (162), 23 states have internal predecessors, (162), 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 145 [2024-11-14 04:46:50,760 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 04:46:50,763 INFO L225 Difference]: With dead ends: 549 [2024-11-14 04:46:50,763 INFO L226 Difference]: Without dead ends: 344 [2024-11-14 04:46:50,765 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 323 GetRequests, 273 SyntacticMatches, 11 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 492 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=524, Invalid=1116, Unknown=0, NotChecked=0, Total=1640 [2024-11-14 04:46:50,765 INFO L432 NwaCegarLoop]: 130 mSDtfsCounter, 44 mSDsluCounter, 763 mSDsCounter, 0 mSdLazyCounter, 123 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 44 SdHoareTripleChecker+Valid, 893 SdHoareTripleChecker+Invalid, 124 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 123 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-14 04:46:50,766 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [44 Valid, 893 Invalid, 124 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 123 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-14 04:46:50,767 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 344 states. [2024-11-14 04:46:50,790 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 344 to 344. [2024-11-14 04:46:50,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 344 states, 340 states have (on average 1.3970588235294117) internal successors, (475), 343 states have internal predecessors, (475), 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) [2024-11-14 04:46:50,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 344 states to 344 states and 475 transitions. [2024-11-14 04:46:50,794 INFO L78 Accepts]: Start accepts. Automaton has 344 states and 475 transitions. Word has length 145 [2024-11-14 04:46:50,795 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 04:46:50,795 INFO L471 AbstractCegarLoop]: Abstraction has 344 states and 475 transitions. [2024-11-14 04:46:50,795 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 23 states have (on average 7.043478260869565) internal successors, (162), 23 states have internal predecessors, (162), 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) [2024-11-14 04:46:50,795 INFO L276 IsEmpty]: Start isEmpty. Operand 344 states and 475 transitions. [2024-11-14 04:46:50,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2024-11-14 04:46:50,797 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 04:46:50,797 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 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, 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] [2024-11-14 04:46:50,819 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bbe6436-f177-4b2c-8e66-7fb0f181077a/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-11-14 04:46:51,001 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bbe6436-f177-4b2c-8e66-7fb0f181077a/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 04:46:51,002 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2024-11-14 04:46:51,002 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 04:46:51,002 INFO L85 PathProgramCache]: Analyzing trace with hash 920187244, now seen corresponding path program 4 times [2024-11-14 04:46:51,002 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 04:46:51,002 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [813456442] [2024-11-14 04:46:51,002 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:46:51,003 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 04:46:51,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-14 04:46:51,051 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-14 04:46:51,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-14 04:46:51,138 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2024-11-14 04:46:51,138 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-14 04:46:51,139 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE (6 of 7 remaining) [2024-11-14 04:46:51,141 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (5 of 7 remaining) [2024-11-14 04:46:51,141 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (4 of 7 remaining) [2024-11-14 04:46:51,141 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (3 of 7 remaining) [2024-11-14 04:46:51,141 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONDATA_RACE (2 of 7 remaining) [2024-11-14 04:46:51,142 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr1ASSERT_VIOLATIONDATA_RACE (1 of 7 remaining) [2024-11-14 04:46:51,142 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONDATA_RACE (0 of 7 remaining) [2024-11-14 04:46:51,142 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-14 04:46:51,146 INFO L407 BasicCegarLoop]: Path program histogram: [4, 1, 1, 1, 1] [2024-11-14 04:46:51,236 INFO L242 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-14 04:46:51,237 INFO L173 ceAbstractionStarter]: Computing trace abstraction results [2024-11-14 04:46:51,240 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.11 04:46:51 BasicIcfg [2024-11-14 04:46:51,243 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-14 04:46:51,243 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-14 04:46:51,244 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-14 04:46:51,244 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-14 04:46:51,245 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 04:46:43" (3/4) ... [2024-11-14 04:46:51,246 INFO L136 WitnessPrinter]: Generating witness for reachability counterexample [2024-11-14 04:46:51,313 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bbe6436-f177-4b2c-8e66-7fb0f181077a/bin/utaipan-verify-sOmjnqqW8E/witness.graphml [2024-11-14 04:46:51,313 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-14 04:46:51,315 INFO L158 Benchmark]: Toolchain (without parser) took 9442.54ms. Allocated memory was 117.4MB in the beginning and 151.0MB in the end (delta: 33.6MB). Free memory was 90.2MB in the beginning and 90.2MB in the end (delta: -3.4kB). Peak memory consumption was 34.5MB. Max. memory is 16.1GB. [2024-11-14 04:46:51,315 INFO L158 Benchmark]: CDTParser took 0.60ms. Allocated memory is still 83.9MB. Free memory is still 41.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 04:46:51,316 INFO L158 Benchmark]: CACSL2BoogieTranslator took 709.06ms. Allocated memory is still 117.4MB. Free memory was 90.2MB in the beginning and 68.7MB in the end (delta: 21.5MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-14 04:46:51,316 INFO L158 Benchmark]: Boogie Procedure Inliner took 68.16ms. Allocated memory is still 117.4MB. Free memory was 68.7MB in the beginning and 66.5MB in the end (delta: 2.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 04:46:51,317 INFO L158 Benchmark]: Boogie Preprocessor took 59.06ms. Allocated memory is still 117.4MB. Free memory was 66.5MB in the beginning and 65.4MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 04:46:51,318 INFO L158 Benchmark]: RCFGBuilder took 666.69ms. Allocated memory is still 117.4MB. Free memory was 64.9MB in the beginning and 47.2MB in the end (delta: 17.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-14 04:46:51,318 INFO L158 Benchmark]: TraceAbstraction took 7859.77ms. Allocated memory was 117.4MB in the beginning and 151.0MB in the end (delta: 33.6MB). Free memory was 46.7MB in the beginning and 95.7MB in the end (delta: -49.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 04:46:51,318 INFO L158 Benchmark]: Witness Printer took 69.71ms. Allocated memory is still 151.0MB. Free memory was 95.7MB in the beginning and 90.2MB in the end (delta: 5.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-14 04:46:51,321 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.60ms. Allocated memory is still 83.9MB. Free memory is still 41.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 709.06ms. Allocated memory is still 117.4MB. Free memory was 90.2MB in the beginning and 68.7MB in the end (delta: 21.5MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 68.16ms. Allocated memory is still 117.4MB. Free memory was 68.7MB in the beginning and 66.5MB in the end (delta: 2.2MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 59.06ms. Allocated memory is still 117.4MB. Free memory was 66.5MB in the beginning and 65.4MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 666.69ms. Allocated memory is still 117.4MB. Free memory was 64.9MB in the beginning and 47.2MB in the end (delta: 17.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 7859.77ms. Allocated memory was 117.4MB in the beginning and 151.0MB in the end (delta: 33.6MB). Free memory was 46.7MB in the beginning and 95.7MB in the end (delta: -49.0MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 69.71ms. Allocated memory is still 151.0MB. Free memory was 95.7MB in the beginning and 90.2MB in the end (delta: 5.5MB). 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 - DataRaceFoundResult [Line: 683]: Data race detected Data race detected The following path leads to a data race: [L679] 0 int data; VAL [data=0] [L680] 0 pthread_mutex_t m[10]; VAL [data=0, m={1:0}] [L688] 0 int i = 0; VAL [data=0, i=0, m={1:0}] [L688] COND TRUE 0 i < 10 VAL [data=0, i=0, m={1:0}] [L688] 0 i++ VAL [data=0, i=1, m={1:0}] [L688] COND TRUE 0 i < 10 VAL [data=0, i=1, m={1:0}] [L688] 0 i++ VAL [data=0, i=2, m={1:0}] [L688] COND TRUE 0 i < 10 VAL [data=0, i=2, m={1:0}] [L688] 0 i++ VAL [data=0, i=3, m={1:0}] [L688] COND TRUE 0 i < 10 VAL [data=0, i=3, m={1:0}] [L688] 0 i++ VAL [data=0, i=4, m={1:0}] [L688] COND TRUE 0 i < 10 VAL [data=0, i=4, m={1:0}] [L688] 0 i++ VAL [data=0, i=5, m={1:0}] [L688] COND TRUE 0 i < 10 VAL [data=0, i=5, m={1:0}] [L688] 0 i++ VAL [data=0, i=6, m={1:0}] [L688] COND TRUE 0 i < 10 VAL [data=0, i=6, m={1:0}] [L688] 0 i++ VAL [data=0, i=7, m={1:0}] [L688] COND TRUE 0 i < 10 VAL [data=0, i=7, m={1:0}] [L688] 0 i++ VAL [data=0, i=8, m={1:0}] [L688] COND TRUE 0 i < 10 VAL [data=0, i=8, m={1:0}] [L688] 0 i++ VAL [data=0, i=9, m={1:0}] [L688] COND TRUE 0 i < 10 VAL [data=0, i=9, m={1:0}] [L688] 0 i++ VAL [data=0, i=10, m={1:0}] [L688] COND FALSE 0 !(i < 10) VAL [data=0, i=10, m={1:0}] [L690] 0 pthread_t id; VAL [data=0, m={1:0}] [L691] FCALL, FORK 0 pthread_create(&id, ((void *)0), t_fun, ((void *)0)) VAL [\old(arg)={0:0}, data=0, id=-1, m={1:0}] [L683] 1 data++ VAL [\old(arg)={0:0}, arg={0:0}, data=0, m={1:0}] [L683] 1 data++ VAL [\old(arg)={0:0}, arg={0:0}, data=1, m={1:0}] [L693] 0 data++ VAL [\old(arg)={0:0}, arg={0:0}, data=1, id=-1, m={1:0}] [L683] 1 data++ VAL [\old(arg)={0:0}, arg={0:0}, data=1, m={1:0}] Now there is a data race on ~data~0 between C: data++ [693] and C: data++ [683] - UnprovableResult [Line: 693]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 693]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 691]: Unable to prove that petrification did provide enough thread instances (tool internal message) Unable to prove that petrification did provide enough thread instances (tool internal message) Reason: Not analyzed. - UnprovableResult [Line: 683]: 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, 160 locations, 7 error locations. Started 1 CEGAR loops. OverallTime: 7.6s, OverallIterations: 8, TraceHistogramMax: 10, PathProgramHistogramMax: 4, EmptinessCheckTime: 0.0s, AutomataDifference: 1.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 158 SdHoareTripleChecker+Valid, 0.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 158 mSDsluCounter, 3603 SdHoareTripleChecker+Invalid, 0.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2640 mSDsCounter, 8 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 417 IncrementalHoareTripleChecker+Invalid, 425 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 8 mSolverCounterUnsat, 963 mSDtfsCounter, 417 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1170 GetRequests, 1067 SyntacticMatches, 11 SemanticMatches, 92 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 687 ImplicationChecksByTransitivity, 1.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=455occurred in iteration=1, InterpolantAutomatonStates: 72, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 7 MinimizatonAttempts, 97 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 3.1s InterpolantComputationTime, 1682 NumberOfCodeBlocks, 1595 NumberOfCodeBlocksAsserted, 17 NumberOfCheckSat, 1891 ConstructedInterpolants, 0 QuantifiedInterpolants, 2283 SizeOfPredicates, 23 NumberOfNonLiveVariables, 1392 ConjunctsInSsa, 39 ConjunctsInUnsatCore, 16 InterpolantComputations, 4 PerfectInterpolantSequences, 3/399 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 proved your program to be incorrect! [2024-11-14 04:46:51,356 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bbe6436-f177-4b2c-8e66-7fb0f181077a/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 Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE