./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/goblint-regression/28-race_reach_79-equ_racefree-overflow.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ff636bb-f14c-4b2d-aa3b-61edf2edfd26/bin/utaipan-verify-sOmjnqqW8E/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ff636bb-f14c-4b2d-aa3b-61edf2edfd26/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_5ff636bb-f14c-4b2d-aa3b-61edf2edfd26/bin/utaipan-verify-sOmjnqqW8E/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ff636bb-f14c-4b2d-aa3b-61edf2edfd26/bin/utaipan-verify-sOmjnqqW8E/config/TaipanReach.xml -i ../../sv-benchmarks/c/goblint-regression/28-race_reach_79-equ_racefree-overflow.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ff636bb-f14c-4b2d-aa3b-61edf2edfd26/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-Overflow-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ff636bb-f14c-4b2d-aa3b-61edf2edfd26/bin/utaipan-verify-sOmjnqqW8E --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 2305533b08f16ed55fe1768852f1afe1d6f847d5ca6bb0bf597caf3ef6acd368 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 23:45:53,620 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 23:45:53,719 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ff636bb-f14c-4b2d-aa3b-61edf2edfd26/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-Overflow-32bit-Taipan_Default.epf [2024-11-13 23:45:53,725 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 23:45:53,725 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-13 23:45:53,753 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 23:45:53,754 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-13 23:45:53,754 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-13 23:45:53,758 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 23:45:53,758 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-13 23:45:53,758 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-13 23:45:53,758 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-13 23:45:53,758 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-13 23:45:53,759 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-13 23:45:53,759 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-13 23:45:53,759 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-13 23:45:53,759 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-13 23:45:53,759 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-13 23:45:53,759 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-13 23:45:53,760 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-13 23:45:53,760 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-13 23:45:53,760 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-13 23:45:53,760 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 23:45:53,761 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 23:45:53,761 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 23:45:53,761 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 23:45:53,761 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 23:45:53,761 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 23:45:53,761 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 23:45:53,761 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 23:45:53,762 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 23:45:53,762 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 23:45:53,762 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 23:45:53,762 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 23:45:53,762 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 23:45:53,762 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 23:45:53,763 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 23:45:53,763 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 23:45:53,763 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-13 23:45:53,763 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-13 23:45:53,763 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-13 23:45:53,763 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 23:45:53,764 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 23:45:53,764 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 23:45:53,764 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-13 23:45:53,764 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 23:45:53,764 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-13 23:45:53,764 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-13 23:45:53,765 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-13 23:45:53,765 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_5ff636bb-f14c-4b2d-aa3b-61edf2edfd26/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 ! overflow) ) 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 -> 2305533b08f16ed55fe1768852f1afe1d6f847d5ca6bb0bf597caf3ef6acd368 [2024-11-13 23:45:54,133 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 23:45:54,143 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 23:45:54,146 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 23:45:54,148 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 23:45:54,148 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 23:45:54,151 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ff636bb-f14c-4b2d-aa3b-61edf2edfd26/bin/utaipan-verify-sOmjnqqW8E/../../sv-benchmarks/c/goblint-regression/28-race_reach_79-equ_racefree-overflow.i Unable to find full path for "g++" [2024-11-13 23:45:56,078 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 23:45:56,492 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 23:45:56,493 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ff636bb-f14c-4b2d-aa3b-61edf2edfd26/sv-benchmarks/c/goblint-regression/28-race_reach_79-equ_racefree-overflow.i [2024-11-13 23:45:56,519 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ff636bb-f14c-4b2d-aa3b-61edf2edfd26/bin/utaipan-verify-sOmjnqqW8E/data/0c05cbec4/8d0cda37e179455ba06d1d405e9f190a/FLAGae3d2d8cc [2024-11-13 23:45:56,543 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ff636bb-f14c-4b2d-aa3b-61edf2edfd26/bin/utaipan-verify-sOmjnqqW8E/data/0c05cbec4/8d0cda37e179455ba06d1d405e9f190a [2024-11-13 23:45:56,547 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 23:45:56,549 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 23:45:56,553 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 23:45:56,553 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 23:45:56,559 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 23:45:56,560 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 11:45:56" (1/1) ... [2024-11-13 23:45:56,561 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@22984f1e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:45:56, skipping insertion in model container [2024-11-13 23:45:56,561 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 11:45:56" (1/1) ... [2024-11-13 23:45:56,603 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 23:45:57,246 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 23:45:57,266 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 23:45:57,336 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 23:45:57,399 INFO L204 MainTranslator]: Completed translation [2024-11-13 23:45:57,400 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:45:57 WrapperNode [2024-11-13 23:45:57,400 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 23:45:57,401 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 23:45:57,402 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 23:45:57,402 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 23:45:57,411 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:45:57" (1/1) ... [2024-11-13 23:45:57,431 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:45:57" (1/1) ... [2024-11-13 23:45:57,466 INFO L138 Inliner]: procedures = 275, calls = 74, calls flagged for inlining = 5, calls inlined = 6, statements flattened = 240 [2024-11-13 23:45:57,466 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 23:45:57,467 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 23:45:57,470 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 23:45:57,470 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 23:45:57,479 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:45:57" (1/1) ... [2024-11-13 23:45:57,479 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:45:57" (1/1) ... [2024-11-13 23:45:57,489 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:45:57" (1/1) ... [2024-11-13 23:45:57,489 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:45:57" (1/1) ... [2024-11-13 23:45:57,510 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:45:57" (1/1) ... [2024-11-13 23:45:57,520 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:45:57" (1/1) ... [2024-11-13 23:45:57,525 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:45:57" (1/1) ... [2024-11-13 23:45:57,527 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:45:57" (1/1) ... [2024-11-13 23:45:57,535 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 23:45:57,537 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 23:45:57,537 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 23:45:57,538 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 23:45:57,541 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:45:57" (1/1) ... [2024-11-13 23:45:57,551 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-13 23:45:57,573 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ff636bb-f14c-4b2d-aa3b-61edf2edfd26/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-13 23:45:57,586 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ff636bb-f14c-4b2d-aa3b-61edf2edfd26/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-13 23:45:57,591 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ff636bb-f14c-4b2d-aa3b-61edf2edfd26/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-13 23:45:57,625 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-13 23:45:57,625 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-13 23:45:57,625 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2024-11-13 23:45:57,625 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-11-13 23:45:57,625 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-13 23:45:57,625 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-13 23:45:57,626 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-11-13 23:45:57,626 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 23:45:57,626 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2024-11-13 23:45:57,626 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2024-11-13 23:45:57,626 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 23:45:57,626 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 23:45:57,626 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 23:45:57,628 WARN L207 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-13 23:45:57,795 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 23:45:57,797 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 23:45:58,376 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-13 23:45:58,377 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 23:45:58,700 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 23:45:58,701 INFO L316 CfgBuilder]: Removed 22 assume(true) statements. [2024-11-13 23:45:58,703 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:45:58 BoogieIcfgContainer [2024-11-13 23:45:58,704 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 23:45:58,706 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-13 23:45:58,706 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-13 23:45:58,714 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-13 23:45:58,714 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.11 11:45:56" (1/3) ... [2024-11-13 23:45:58,715 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@354f557 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 11:45:58, skipping insertion in model container [2024-11-13 23:45:58,715 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:45:57" (2/3) ... [2024-11-13 23:45:58,715 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@354f557 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 11:45:58, skipping insertion in model container [2024-11-13 23:45:58,715 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:45:58" (3/3) ... [2024-11-13 23:45:58,716 INFO L112 eAbstractionObserver]: Analyzing ICFG 28-race_reach_79-equ_racefree-overflow.i [2024-11-13 23:45:58,735 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-13 23:45:58,737 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG 28-race_reach_79-equ_racefree-overflow.i that has 2 procedures, 92 locations, 1 initial locations, 12 loop locations, and 16 error locations. [2024-11-13 23:45:58,737 INFO L492 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-13 23:45:58,809 INFO L143 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2024-11-13 23:45:58,857 INFO L113 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 95 places, 116 transitions, 239 flow [2024-11-13 23:45:59,064 INFO L135 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 1514 states, 1459 states have (on average 2.5764222069910896) internal successors, (3759), 1513 states have internal predecessors, (3759), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 23:45:59,096 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-13 23:45:59,116 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;@6526fd5d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-13 23:45:59,116 INFO L334 AbstractCegarLoop]: Starting to check reachability of 21 error locations. [2024-11-13 23:45:59,124 INFO L276 IsEmpty]: Start isEmpty. Operand has 1514 states, 1459 states have (on average 2.5764222069910896) internal successors, (3759), 1513 states have internal predecessors, (3759), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 23:45:59,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-11-13 23:45:59,131 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 23:45:59,132 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1] [2024-11-13 23:45:59,133 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (and 18 more)] === [2024-11-13 23:45:59,137 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 23:45:59,138 INFO L85 PathProgramCache]: Analyzing trace with hash 653299, now seen corresponding path program 1 times [2024-11-13 23:45:59,147 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-13 23:45:59,147 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1761392277] [2024-11-13 23:45:59,148 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 23:45:59,152 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:45:59,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:45:59,446 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 23:45:59,447 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-13 23:45:59,447 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1761392277] [2024-11-13 23:45:59,447 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1761392277] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 23:45:59,448 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 23:45:59,448 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 23:45:59,449 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [641126502] [2024-11-13 23:45:59,450 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 23:45:59,457 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 23:45:59,457 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-13 23:45:59,483 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 23:45:59,484 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 23:45:59,491 INFO L87 Difference]: Start difference. First operand has 1514 states, 1459 states have (on average 2.5764222069910896) internal successors, (3759), 1513 states have internal predecessors, (3759), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 2 states have (on average 1.5) internal successors, (3), 3 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 23:45:59,818 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 23:45:59,819 INFO L93 Difference]: Finished difference Result 2983 states and 7441 transitions. [2024-11-13 23:45:59,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 23:45:59,822 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 1.5) internal successors, (3), 3 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 3 [2024-11-13 23:45:59,823 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 23:45:59,862 INFO L225 Difference]: With dead ends: 2983 [2024-11-13 23:45:59,862 INFO L226 Difference]: Without dead ends: 1486 [2024-11-13 23:45:59,874 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 23:45:59,879 INFO L432 NwaCegarLoop]: 45 mSDtfsCounter, 2 mSDsluCounter, 45 mSDsCounter, 0 mSdLazyCounter, 97 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 90 SdHoareTripleChecker+Invalid, 97 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 97 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-13 23:45:59,880 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 90 Invalid, 97 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 97 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-13 23:45:59,902 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1486 states. [2024-11-13 23:46:00,007 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1486 to 1486. [2024-11-13 23:46:00,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1486 states, 1434 states have (on average 2.0467224546722456) internal successors, (2935), 1485 states have internal predecessors, (2935), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 23:46:00,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1486 states to 1486 states and 2935 transitions. [2024-11-13 23:46:00,030 INFO L78 Accepts]: Start accepts. Automaton has 1486 states and 2935 transitions. Word has length 3 [2024-11-13 23:46:00,030 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 23:46:00,030 INFO L471 AbstractCegarLoop]: Abstraction has 1486 states and 2935 transitions. [2024-11-13 23:46:00,030 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 1.5) internal successors, (3), 3 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 23:46:00,031 INFO L276 IsEmpty]: Start isEmpty. Operand 1486 states and 2935 transitions. [2024-11-13 23:46:00,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-11-13 23:46:00,031 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 23:46:00,031 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1] [2024-11-13 23:46:00,031 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-13 23:46:00,032 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (and 18 more)] === [2024-11-13 23:46:00,032 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 23:46:00,032 INFO L85 PathProgramCache]: Analyzing trace with hash 653315, now seen corresponding path program 1 times [2024-11-13 23:46:00,033 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-13 23:46:00,033 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [367178152] [2024-11-13 23:46:00,033 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 23:46:00,033 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:46:00,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:46:00,203 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 23:46:00,203 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-13 23:46:00,203 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [367178152] [2024-11-13 23:46:00,203 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [367178152] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 23:46:00,204 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 23:46:00,204 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 23:46:00,204 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1381365253] [2024-11-13 23:46:00,204 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 23:46:00,205 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-13 23:46:00,207 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-13 23:46:00,208 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-13 23:46:00,208 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-13 23:46:00,208 INFO L87 Difference]: Start difference. First operand 1486 states and 2935 transitions. Second operand has 4 states, 3 states have (on average 1.0) internal successors, (3), 3 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 23:46:00,648 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 23:46:00,648 INFO L93 Difference]: Finished difference Result 2942 states and 5840 transitions. [2024-11-13 23:46:00,649 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 23:46:00,649 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 1.0) internal successors, (3), 3 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 3 [2024-11-13 23:46:00,649 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 23:46:00,669 INFO L225 Difference]: With dead ends: 2942 [2024-11-13 23:46:00,669 INFO L226 Difference]: Without dead ends: 2941 [2024-11-13 23:46:00,671 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-13 23:46:00,672 INFO L432 NwaCegarLoop]: 86 mSDtfsCounter, 91 mSDsluCounter, 128 mSDsCounter, 0 mSdLazyCounter, 223 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 91 SdHoareTripleChecker+Valid, 214 SdHoareTripleChecker+Invalid, 224 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 223 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-13 23:46:00,672 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [91 Valid, 214 Invalid, 224 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 223 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-13 23:46:00,679 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2941 states. [2024-11-13 23:46:00,772 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2941 to 1485. [2024-11-13 23:46:00,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1485 states, 1434 states have (on average 2.0460251046025104) internal successors, (2934), 1484 states have internal predecessors, (2934), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 23:46:00,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1485 states to 1485 states and 2934 transitions. [2024-11-13 23:46:00,792 INFO L78 Accepts]: Start accepts. Automaton has 1485 states and 2934 transitions. Word has length 3 [2024-11-13 23:46:00,792 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 23:46:00,792 INFO L471 AbstractCegarLoop]: Abstraction has 1485 states and 2934 transitions. [2024-11-13 23:46:00,793 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 1.0) internal successors, (3), 3 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 23:46:00,793 INFO L276 IsEmpty]: Start isEmpty. Operand 1485 states and 2934 transitions. [2024-11-13 23:46:00,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-13 23:46:00,793 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 23:46:00,794 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2024-11-13 23:46:00,794 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-13 23:46:00,794 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (and 18 more)] === [2024-11-13 23:46:00,799 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 23:46:00,800 INFO L85 PathProgramCache]: Analyzing trace with hash 20252973, now seen corresponding path program 1 times [2024-11-13 23:46:00,800 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-13 23:46:00,800 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1934944925] [2024-11-13 23:46:00,800 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 23:46:00,800 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:46:00,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:46:00,942 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 23:46:00,942 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-13 23:46:00,943 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1934944925] [2024-11-13 23:46:00,943 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1934944925] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 23:46:00,943 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 23:46:00,943 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 23:46:00,943 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1677982371] [2024-11-13 23:46:00,943 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 23:46:00,944 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 23:46:00,944 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-13 23:46:00,944 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 23:46:00,945 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 23:46:00,945 INFO L87 Difference]: Start difference. First operand 1485 states and 2934 transitions. Second operand has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 23:46:01,089 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 23:46:01,092 INFO L93 Difference]: Finished difference Result 1485 states and 2934 transitions. [2024-11-13 23:46:01,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 23:46:01,093 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 4 [2024-11-13 23:46:01,093 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 23:46:01,103 INFO L225 Difference]: With dead ends: 1485 [2024-11-13 23:46:01,104 INFO L226 Difference]: Without dead ends: 1484 [2024-11-13 23:46:01,104 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 23:46:01,105 INFO L432 NwaCegarLoop]: 44 mSDtfsCounter, 0 mSDsluCounter, 44 mSDsCounter, 0 mSdLazyCounter, 94 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 88 SdHoareTripleChecker+Invalid, 94 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 94 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-13 23:46:01,105 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 88 Invalid, 94 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 94 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-13 23:46:01,110 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1484 states. [2024-11-13 23:46:01,169 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1484 to 1484. [2024-11-13 23:46:01,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1484 states, 1434 states have (on average 2.0453277545327753) internal successors, (2933), 1483 states have internal predecessors, (2933), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 23:46:01,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1484 states to 1484 states and 2933 transitions. [2024-11-13 23:46:01,187 INFO L78 Accepts]: Start accepts. Automaton has 1484 states and 2933 transitions. Word has length 4 [2024-11-13 23:46:01,188 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 23:46:01,188 INFO L471 AbstractCegarLoop]: Abstraction has 1484 states and 2933 transitions. [2024-11-13 23:46:01,188 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 23:46:01,188 INFO L276 IsEmpty]: Start isEmpty. Operand 1484 states and 2933 transitions. [2024-11-13 23:46:01,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-13 23:46:01,188 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 23:46:01,189 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2024-11-13 23:46:01,189 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-13 23:46:01,189 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (and 18 more)] === [2024-11-13 23:46:01,189 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 23:46:01,190 INFO L85 PathProgramCache]: Analyzing trace with hash 20253475, now seen corresponding path program 1 times [2024-11-13 23:46:01,190 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-13 23:46:01,190 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [507781501] [2024-11-13 23:46:01,190 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 23:46:01,190 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:46:01,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 23:46:01,232 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 23:46:01,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 23:46:01,271 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2024-11-13 23:46:01,272 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-13 23:46:01,273 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (20 of 21 remaining) [2024-11-13 23:46:01,275 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (19 of 21 remaining) [2024-11-13 23:46:01,275 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (18 of 21 remaining) [2024-11-13 23:46:01,275 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (17 of 21 remaining) [2024-11-13 23:46:01,275 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (16 of 21 remaining) [2024-11-13 23:46:01,275 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (15 of 21 remaining) [2024-11-13 23:46:01,276 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 21 remaining) [2024-11-13 23:46:01,276 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 21 remaining) [2024-11-13 23:46:01,276 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 21 remaining) [2024-11-13 23:46:01,276 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 21 remaining) [2024-11-13 23:46:01,276 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 21 remaining) [2024-11-13 23:46:01,276 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 21 remaining) [2024-11-13 23:46:01,276 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (8 of 21 remaining) [2024-11-13 23:46:01,276 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 21 remaining) [2024-11-13 23:46:01,277 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 21 remaining) [2024-11-13 23:46:01,277 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 21 remaining) [2024-11-13 23:46:01,277 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 21 remaining) [2024-11-13 23:46:01,277 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 21 remaining) [2024-11-13 23:46:01,277 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 21 remaining) [2024-11-13 23:46:01,277 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 21 remaining) [2024-11-13 23:46:01,277 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 21 remaining) [2024-11-13 23:46:01,278 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-13 23:46:01,281 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2024-11-13 23:46:01,308 INFO L242 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-13 23:46:01,308 INFO L173 ceAbstractionStarter]: Computing trace abstraction results [2024-11-13 23:46:01,314 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.11 11:46:01 BasicIcfg [2024-11-13 23:46:01,314 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-13 23:46:01,316 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 23:46:01,316 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 23:46:01,316 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 23:46:01,318 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:45:58" (3/4) ... [2024-11-13 23:46:01,318 INFO L136 WitnessPrinter]: Generating witness for reachability counterexample [2024-11-13 23:46:01,362 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ff636bb-f14c-4b2d-aa3b-61edf2edfd26/bin/utaipan-verify-sOmjnqqW8E/witness.graphml [2024-11-13 23:46:01,362 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 23:46:01,363 INFO L158 Benchmark]: Toolchain (without parser) took 4813.83ms. Allocated memory was 142.6MB in the beginning and 427.8MB in the end (delta: 285.2MB). Free memory was 117.1MB in the beginning and 303.9MB in the end (delta: -186.8MB). Peak memory consumption was 100.4MB. Max. memory is 16.1GB. [2024-11-13 23:46:01,364 INFO L158 Benchmark]: CDTParser took 1.01ms. Allocated memory is still 142.6MB. Free memory is still 81.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 23:46:01,365 INFO L158 Benchmark]: CACSL2BoogieTranslator took 847.90ms. Allocated memory is still 142.6MB. Free memory was 116.8MB in the beginning and 87.0MB in the end (delta: 29.8MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-11-13 23:46:01,365 INFO L158 Benchmark]: Boogie Procedure Inliner took 65.09ms. Allocated memory is still 142.6MB. Free memory was 86.8MB in the beginning and 84.4MB in the end (delta: 2.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 23:46:01,368 INFO L158 Benchmark]: Boogie Preprocessor took 68.31ms. Allocated memory is still 142.6MB. Free memory was 84.4MB in the beginning and 82.5MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 23:46:01,369 INFO L158 Benchmark]: RCFGBuilder took 1166.63ms. Allocated memory is still 142.6MB. Free memory was 82.5MB in the beginning and 64.5MB in the end (delta: 18.0MB). Peak memory consumption was 31.1MB. Max. memory is 16.1GB. [2024-11-13 23:46:01,369 INFO L158 Benchmark]: TraceAbstraction took 2608.78ms. Allocated memory was 142.6MB in the beginning and 427.8MB in the end (delta: 285.2MB). Free memory was 63.9MB in the beginning and 306.2MB in the end (delta: -242.3MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. [2024-11-13 23:46:01,369 INFO L158 Benchmark]: Witness Printer took 46.22ms. Allocated memory is still 427.8MB. Free memory was 306.2MB in the beginning and 303.9MB in the end (delta: 2.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 23:46:01,371 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.01ms. Allocated memory is still 142.6MB. Free memory is still 81.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 847.90ms. Allocated memory is still 142.6MB. Free memory was 116.8MB in the beginning and 87.0MB in the end (delta: 29.8MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 65.09ms. Allocated memory is still 142.6MB. Free memory was 86.8MB in the beginning and 84.4MB in the end (delta: 2.4MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 68.31ms. Allocated memory is still 142.6MB. Free memory was 84.4MB in the beginning and 82.5MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 1166.63ms. Allocated memory is still 142.6MB. Free memory was 82.5MB in the beginning and 64.5MB in the end (delta: 18.0MB). Peak memory consumption was 31.1MB. Max. memory is 16.1GB. * TraceAbstraction took 2608.78ms. Allocated memory was 142.6MB in the beginning and 427.8MB in the end (delta: 285.2MB). Free memory was 63.9MB in the beginning and 306.2MB in the end (delta: -242.3MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. * Witness Printer took 46.22ms. Allocated memory is still 427.8MB. Free memory was 306.2MB in the beginning and 303.9MB in the end (delta: 2.4MB). 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 - CounterExampleResult [Line: 1026]: integer overflow possible integer overflow possible We found a FailurePath: [L1004] pthread_mutex_t __global_lock = { { 0, 0, 0, 0, 0, { { 0, 0 } } } }; [L1006-L1010] struct s { int datum; struct q inside; pthread_mutex_t mutex; } A, B; [L1020] int x = __VERIFIER_nondet_int(); [L1021] struct s *s; [L1022] int *d; [L1023] pthread_mutex_t *m; VAL [A={4:0}, B={5:0}, __global_lock={3:0}, x=2147483647] [L1024] COND TRUE \read(x) [L1025] s = &A [L1026] x++ VAL [A={4:0}, B={5:0}, __global_lock={3:0}, s={4:0}, x=2147483647] - UnprovableResult [Line: 1029]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 1026]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 1029]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 1033]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 1033]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 1035]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 1037]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 1035]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 1035]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 1037]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 1035]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 1033]: 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: 1013]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 1013]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 1013]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 1013]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 3 procedures, 127 locations, 21 error locations. Started 1 CEGAR loops. OverallTime: 2.4s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.2s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 93 SdHoareTripleChecker+Valid, 0.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 93 mSDsluCounter, 392 SdHoareTripleChecker+Invalid, 0.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 217 mSDsCounter, 1 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 414 IncrementalHoareTripleChecker+Invalid, 415 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1 mSolverCounterUnsat, 175 mSDtfsCounter, 414 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1514occurred in iteration=0, InterpolantAutomatonStates: 10, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 3 MinimizatonAttempts, 1456 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 14 NumberOfCodeBlocks, 14 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 7 ConstructedInterpolants, 0 QuantifiedInterpolants, 21 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2024-11-13 23:46:01,404 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ff636bb-f14c-4b2d-aa3b-61edf2edfd26/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(OVERFLOW)